16-second hang while establishing a transcribe streaming connection

[MathieuDuponchelle]

Describe the bug

On a particular machine, Transcribe Streaming.StartStreamTranscription hangs for 16 seconds before finally succeeding (then AWS transcribe immediately times out because it hasn't received audio for more than 15 seconds)

Regression Issue

• Select this option if this issue appears to be a regression.

Expected Behavior

I expect connection to be established in a timely fashion

Current Behavior

Connection establishment hangs for 16 seconds on running read_after_execution interceptors:

2026-01-27T06:40:35.945921Z DEBUG Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=5764325 rpc.system="aws-api"}:try_op: aws_smithy_runtime::client::retries::strategy::standard: attempt #1 classified as NoActionIndicated, not retrying
2026-01-27T06:40:35.945927Z DEBUG Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=5764325 rpc.system="aws-api"}:try_op: aws_smithy_runtime::client::orchestrator: a retry is either unnecessary or not possible, exiting attempt loop
2026-01-27T06:40:35.945939Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=5764325 rpc.system="aws-api"}:finally_op: aws_smithy_runtime::client::interceptors: running `modify_before_completion` interceptors
2026-01-27T06:40:35.945948Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=5764325 rpc.system="aws-api"}:finally_op: aws_smithy_runtime::client::interceptors: running `read_after_execution` interceptors
2026-01-27T06:40:51.956883Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=5764325 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll: h2::proto::connection: connection.state=Open

Reproduction Steps

This only reproduces on a single machine, and occurs using GStreamer's AWS transcriber when the connection builder is built:

https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs/-/blob/main/net/aws/src/transcriber2/imp.rs?ref_type=heads#L773

I can probably turn this into a sample, but the issue most likely won't be reproducable everywhere

Possible Solution

I don't have an idea what might be causing this

Additional Information/Context

No response

Version

├── aws-config v1.8.12
│   ├── aws-credential-types v1.2.11
│   │   ├── aws-smithy-async v1.2.7
│   │   ├── aws-smithy-runtime-api v1.10.0
│   │   │   ├── aws-smithy-async v1.2.7 (*)
│   │   │   ├── aws-smithy-types v1.3.6
│   │   ├── aws-smithy-types v1.3.6 (*)
│   ├── aws-runtime v1.5.18
│   │   ├── aws-credential-types v1.2.11 (*)
│   │   ├── aws-sigv4 v1.3.7
│   │   │   ├── aws-credential-types v1.2.11 (*)
│   │   │   ├── aws-smithy-eventstream v0.60.14
│   │   │   │   ├── aws-smithy-types v1.3.6 (*)
│   │   │   ├── aws-smithy-http v0.62.6
│   │   │   │   ├── aws-smithy-eventstream v0.60.14 (*)
│   │   │   │   ├── aws-smithy-runtime-api v1.10.0 (*)
│   │   │   │   ├── aws-smithy-types v1.3.6 (*)
│   │   │   ├── aws-smithy-runtime-api v1.10.0 (*)
│   │   │   ├── aws-smithy-types v1.3.6 (*)
│   │   ├── aws-smithy-async v1.2.7 (*)
│   │   ├── aws-smithy-eventstream v0.60.14 (*)
│   │   ├── aws-smithy-http v0.62.6 (*)
│   │   ├── aws-smithy-runtime v1.9.8
│   │   │   ├── aws-smithy-async v1.2.7 (*)
│   │   │   ├── aws-smithy-http v0.62.6 (*)
│   │   │   ├── aws-smithy-http-client v1.1.5
│   │   │   │   ├── aws-smithy-async v1.2.7 (*)
│   │   │   │   ├── aws-smithy-runtime-api v1.10.0 (*)
│   │   │   │   ├── aws-smithy-types v1.3.6 (*)
│   │   │   ├── aws-smithy-observability v0.2.0
│   │   │   │   └── aws-smithy-runtime-api v1.10.0 (*)
│   │   │   ├── aws-smithy-runtime-api v1.10.0 (*)
│   │   │   ├── aws-smithy-types v1.3.6 (*)
│   │   ├── aws-smithy-runtime-api v1.10.0 (*)
│   │   ├── aws-smithy-types v1.3.6 (*)
│   │   ├── aws-types v1.3.11
│   │   │   ├── aws-credential-types v1.2.11 (*)
│   │   │   ├── aws-smithy-async v1.2.7 (*)
│   │   │   ├── aws-smithy-runtime-api v1.10.0 (*)
│   │   │   ├── aws-smithy-types v1.3.6 (*)
│   ├── aws-sdk-sts v1.96.0
│   │   ├── aws-credential-types v1.2.11 (*)
│   │   ├── aws-runtime v1.5.18 (*)
│   │   ├── aws-smithy-async v1.2.7 (*)
│   │   ├── aws-smithy-http v0.62.6 (*)
│   │   ├── aws-smithy-json v0.61.9
│   │   │   └── aws-smithy-types v1.3.6 (*)
│   │   ├── aws-smithy-observability v0.2.0 (*)
│   │   ├── aws-smithy-query v0.60.9
│   │   │   ├── aws-smithy-types v1.3.6 (*)
│   │   ├── aws-smithy-runtime v1.9.8 (*)
│   │   ├── aws-smithy-runtime-api v1.10.0 (*)
│   │   ├── aws-smithy-types v1.3.6 (*)
│   │   ├── aws-smithy-xml v0.60.13
│   │   ├── aws-types v1.3.11 (*)
│   ├── aws-smithy-async v1.2.7 (*)
│   ├── aws-smithy-http v0.62.6 (*)
│   ├── aws-smithy-json v0.61.9 (*)
│   ├── aws-smithy-runtime v1.9.8 (*)
│   ├── aws-smithy-runtime-api v1.10.0 (*)
│   ├── aws-smithy-types v1.3.6 (*)
│   ├── aws-types v1.3.11 (*)
├── aws-credential-types v1.2.11 (*)
├── aws-sdk-polly v1.97.0
│   ├── aws-credential-types v1.2.11 (*)
│   ├── aws-runtime v1.5.18 (*)
│   ├── aws-sigv4 v1.3.7 (*)
│   ├── aws-smithy-async v1.2.7 (*)
│   ├── aws-smithy-http v0.62.6 (*)
│   ├── aws-smithy-json v0.61.9 (*)
│   ├── aws-smithy-observability v0.2.0 (*)
│   ├── aws-smithy-runtime v1.9.8 (*)
│   ├── aws-smithy-runtime-api v1.10.0 (*)
│   ├── aws-smithy-types v1.3.6 (*)
│   ├── aws-types v1.3.11 (*)
├── aws-sdk-s3 v1.120.0
│   ├── aws-credential-types v1.2.11 (*)
│   ├── aws-runtime v1.5.18 (*)
│   ├── aws-sigv4 v1.3.7 (*)
│   ├── aws-smithy-async v1.2.7 (*)
│   ├── aws-smithy-checksums v0.63.13
│   │   ├── aws-smithy-http v0.62.6 (*)
│   │   ├── aws-smithy-types v1.3.6 (*)
│   ├── aws-smithy-eventstream v0.60.14 (*)
│   ├── aws-smithy-http v0.62.6 (*)
│   ├── aws-smithy-json v0.61.9 (*)
│   ├── aws-smithy-observability v0.2.0 (*)
│   ├── aws-smithy-runtime v1.9.8 (*)
│   ├── aws-smithy-runtime-api v1.10.0 (*)
│   ├── aws-smithy-types v1.3.6 (*)
│   ├── aws-smithy-xml v0.60.13 (*)
│   ├── aws-types v1.3.11 (*)
├── aws-sdk-sso v1.92.0
│   ├── aws-credential-types v1.2.11 (*)
│   ├── aws-runtime v1.5.18 (*)
│   ├── aws-smithy-async v1.2.7 (*)
│   ├── aws-smithy-http v0.62.6 (*)
│   ├── aws-smithy-json v0.61.9 (*)
│   ├── aws-smithy-observability v0.2.0 (*)
│   ├── aws-smithy-runtime v1.9.8 (*)
│   ├── aws-smithy-runtime-api v1.10.0 (*)
│   ├── aws-smithy-types v1.3.6 (*)
│   ├── aws-types v1.3.11 (*)
├── aws-sdk-sts v1.96.0 (*)
├── aws-sdk-transcribestreaming v1.96.0
│   ├── aws-credential-types v1.2.11 (*)
│   ├── aws-runtime v1.5.18 (*)
│   ├── aws-sigv4 v1.3.7 (*)
│   ├── aws-smithy-async v1.2.7 (*)
│   ├── aws-smithy-eventstream v0.60.14 (*)
│   ├── aws-smithy-http v0.62.6 (*)
│   ├── aws-smithy-json v0.61.9 (*)
│   ├── aws-smithy-observability v0.2.0 (*)
│   ├── aws-smithy-runtime v1.9.8 (*)
│   ├── aws-smithy-runtime-api v1.10.0 (*)
│   ├── aws-smithy-types v1.3.6 (*)
│   ├── aws-types v1.3.11 (*)
├── aws-sdk-translate v1.92.0
│   ├── aws-credential-types v1.2.11 (*)
│   ├── aws-runtime v1.5.18 (*)
│   ├── aws-smithy-async v1.2.7 (*)
│   ├── aws-smithy-http v0.62.6 (*)
│   ├── aws-smithy-json v0.61.9 (*)
│   ├── aws-smithy-observability v0.2.0 (*)
│   ├── aws-smithy-runtime v1.9.8 (*)
│   ├── aws-smithy-runtime-api v1.10.0 (*)
│   ├── aws-smithy-types v1.3.6 (*)
│   ├── aws-types v1.3.11 (*)
├── aws-types v1.3.11 (*)

Environment details (OS name and version, etc.)

Fedora 43

Logs

I pasted some relevant logs above :)

[vcjana]

Isn't this issue about how the GStreamer plugin is calling the async code? Looking at the transcriber code it uses futures::executor::block_on()

let mut output = futures::executor::block_on(async move {
    builder.audio_stream(chunk_stream.into()).send().await
})

The SDK uses tokio for managing the HTTP/2 connections. When you use futures::executor::block_on, it creates a separate executor and blocks the thread which prevents it from polling the h2 connections. You are seeing a 16s hang because it is waiting for a timeout.

I think you could use the tokio's block_on instead:

let mut output = RUNTIME.block_on(async move {
    builder.audio_stream(chunk_stream.into()).send().await
})

I noticed the GStreamer crate already has a RUNTIME defined, so this should just work. Can you try that and let me know if it fixes the hang?

[MathieuDuponchelle]

@sdroege has a MR to do precisely that (https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs/-/merge_requests/2835), but as far as I know that wasn't sufficient. I'll check with him what the status is, if that's also your guess then that's probably right, it's annoying that I can't reproduce this on my end :( Thanks a lot for looking, I know I didn't attach a standalone reproducer :)

I'll keep this updated as soon as I have more info

[vcjana]

Interesting that the MR didn't fully fix it. If the issue persists after that change, could you grab logs with RUST_LOG=tokio=trace,h2=trace when you can reproduce it ? That would help us see exactly where the time is being spent.

[MathieuDuponchelle]

Interestingly enough I can now reproduce both with his branch and the original one, this is very strange, trying to make a minimal reproducer now

[vcjana]

Great that would be helpful.

[MathieuDuponchelle]

OK so here's the de-gstreamerized minimal reproducer (not using futures::executor::block_on):

use anyhow::Error;
use std::sync::LazyLock;
use tokio::runtime;
use aws_sdk_s3::config::StalledStreamProtectionConfig;
use futures::channel::mpsc;
use futures::prelude::*;
use aws_sdk_transcribestreaming::types as aws_types;
use tracing_subscriber::EnvFilter;

pub static RUNTIME: LazyLock<runtime::Runtime> = LazyLock::new(|| {
    runtime::Builder::new_multi_thread()
        .enable_all()
        .worker_threads(2)
        .thread_name("gst-aws-runtime")
        .build()
        .unwrap()
});

fn main() -> Result<(), Error> {

    tracing_subscriber::fmt()
        .with_env_filter(
            EnvFilter::from_default_env()
        )
        .init();

    let config_loader = aws_config::defaults(aws_config::BehaviorVersion::latest());
    let config_loader = config_loader.region(
        aws_config::meta::region::RegionProviderChain::default_provider()
            .or_else("us-east-1"),
    );
    let config_loader =
        config_loader.stalled_stream_protection(StalledStreamProtectionConfig::disabled());

    let config = RUNTIME.block_on(config_loader.load());

    let (_audio_tx, audio_rx) = mpsc::channel::<Vec<u8>>(1);

    let chunk_stream = audio_rx.flat_map(move |data: Vec<u8>| {
        async_stream::stream! {
            use aws_sdk_transcribestreaming::primitives::Blob;
            use aws_types::{AudioEvent, AudioStream};
            if !data.is_empty() {
                for chunk in data.chunks(8192) {
                    yield Ok(AudioStream::AudioEvent(AudioEvent::builder().audio_chunk(Blob::new(chunk)).build()));
                }
            } else {
                yield Ok(AudioStream::AudioEvent(AudioEvent::builder().audio_chunk(Blob::new([])).build()));
            }
        }
    });

    let client = aws_sdk_transcribestreaming::Client::new(&config);

    let builder = client
        .start_stream_transcription()
        .language_code("en-US".into())
        .media_sample_rate_hertz(48_000i32)
        .media_encoding(aws_types::MediaEncoding::Pcm)
        .enable_partial_results_stabilization(true);

    let output = RUNTIME
        .block_on(async move {
            let res = builder.audio_stream(chunk_stream.into()).send().await;
            res
        });

    eprintln!("Output: {:?}", output);

    Ok(())
}

And here are the logs (all of them, just RUST_LOG=trace):

2026-01-27T22:18:55.639775Z TRACE aws_smithy_http_client::hyper_legacy: creating a new default hyper 0.14.x client
2026-01-27T22:18:55.639807Z TRACE aws_smithy_runtime_api::client::runtime_plugin: applying client runtime plugins
2026-01-27T22:18:55.639823Z TRACE aws_smithy_http_client::hyper_legacy: creating a new default hyper 0.14.x client
2026-01-27T22:18:55.639828Z TRACE aws_smithy_runtime_api::client::runtime_plugin: applying client runtime plugins
2026-01-27T22:18:55.639950Z DEBUG aws_runtime::fs_util: loaded home directory src="HOME"
2026-01-27T22:18:55.639972Z DEBUG load_config_file{file=Default(Config)}: aws_runtime::env_config::source: performing home directory substitution home="/home/meh" path="~/.aws/config"
2026-01-27T22:18:55.639985Z DEBUG load_config_file{file=Default(Config)}: aws_runtime::env_config::source: home directory expanded before="~/.aws/config" after="/home/meh/.aws/config"
2026-01-27T22:18:55.639994Z DEBUG load_config_file{file=Default(Config)}: aws_runtime::env_config::source: config file not found path=~/.aws/config
2026-01-27T22:18:55.639997Z DEBUG load_config_file{file=Default(Config)}: aws_runtime::env_config::source: config file loaded path=Some("/home/meh/.aws/config") size=0
2026-01-27T22:18:55.640005Z DEBUG load_config_file{file=Default(Credentials)}: aws_runtime::env_config::source: performing home directory substitution home="/home/meh" path="~/.aws/credentials"
2026-01-27T22:18:55.640007Z DEBUG load_config_file{file=Default(Credentials)}: aws_runtime::env_config::source: home directory expanded before="~/.aws/credentials" after="/home/meh/.aws/credentials"
2026-01-27T22:18:55.640010Z DEBUG load_config_file{file=Default(Credentials)}: aws_runtime::env_config::source: config file not found path=~/.aws/credentials
2026-01-27T22:18:55.640012Z DEBUG load_config_file{file=Default(Credentials)}: aws_runtime::env_config::source: config file loaded path=Some("/home/meh/.aws/credentials") size=0
2026-01-27T22:18:55.640026Z TRACE aws_runtime::env_config: (env) no value set for AWS_USE_FIPS_ENDPOINT
2026-01-27T22:18:55.640029Z TRACE aws_runtime::env_config: (service profile) no value set for use_fips_endpoint
2026-01-27T22:18:55.640031Z TRACE aws_runtime::env_config: (env) no value set for AWS_USE_DUALSTACK_ENDPOINT
2026-01-27T22:18:55.640033Z TRACE aws_runtime::env_config: (service profile) no value set for use_dualstack_endpoint
2026-01-27T22:18:55.640051Z DEBUG region_provider_chain{provider=DefaultRegionChain(RegionProviderChain { providers: [EnvironmentVariableRegionProvider { env: Env(Real) }, ProfileFileRegionProvider { provider_config: ProviderConfig { env: Env(Real), fs: Fs(Real), time_source: SharedTimeSource(SystemTimeSource), http_client: None, retry_config: None, sleep_impl: Some(SharedAsyncSleep(TokioSleep)), region: None, use_fips: None, use_dual_stack: None, profile_name_override: None } }, ImdsRegionProvider { client: "IMDS client truncated for readability", env: Env(Real) }] })}:region_provider_chain{provider=ProfileFileRegionProvider { provider_config: ProviderConfig { env: Env(Real), fs: Fs(Real), time_source: SharedTimeSource(SystemTimeSource), http_client: None, retry_config: None, sleep_impl: Some(SharedAsyncSleep(TokioSleep)), region: None, use_fips: None, use_dual_stack: None, profile_name_override: None } }}: aws_runtime::fs_util: loaded home directory src="HOME"
2026-01-27T22:18:55.640056Z DEBUG region_provider_chain{provider=DefaultRegionChain(RegionProviderChain { providers: [EnvironmentVariableRegionProvider { env: Env(Real) }, ProfileFileRegionProvider { provider_config: ProviderConfig { env: Env(Real), fs: Fs(Real), time_source: SharedTimeSource(SystemTimeSource), http_client: None, retry_config: None, sleep_impl: Some(SharedAsyncSleep(TokioSleep)), region: None, use_fips: None, use_dual_stack: None, profile_name_override: None } }, ImdsRegionProvider { client: "IMDS client truncated for readability", env: Env(Real) }] })}:region_provider_chain{provider=ProfileFileRegionProvider { provider_config: ProviderConfig { env: Env(Real), fs: Fs(Real), time_source: SharedTimeSource(SystemTimeSource), http_client: None, retry_config: None, sleep_impl: Some(SharedAsyncSleep(TokioSleep)), region: None, use_fips: None, use_dual_stack: None, profile_name_override: None } }}:load_config_file{file=Default(Config)}: aws_runtime::env_config::source: performing home directory substitution home="/home/meh" path="~/.aws/config"
2026-01-27T22:18:55.640060Z DEBUG region_provider_chain{provider=DefaultRegionChain(RegionProviderChain { providers: [EnvironmentVariableRegionProvider { env: Env(Real) }, ProfileFileRegionProvider { provider_config: ProviderConfig { env: Env(Real), fs: Fs(Real), time_source: SharedTimeSource(SystemTimeSource), http_client: None, retry_config: None, sleep_impl: Some(SharedAsyncSleep(TokioSleep)), region: None, use_fips: None, use_dual_stack: None, profile_name_override: None } }, ImdsRegionProvider { client: "IMDS client truncated for readability", env: Env(Real) }] })}:region_provider_chain{provider=ProfileFileRegionProvider { provider_config: ProviderConfig { env: Env(Real), fs: Fs(Real), time_source: SharedTimeSource(SystemTimeSource), http_client: None, retry_config: None, sleep_impl: Some(SharedAsyncSleep(TokioSleep)), region: None, use_fips: None, use_dual_stack: None, profile_name_override: None } }}:load_config_file{file=Default(Config)}: aws_runtime::env_config::source: home directory expanded before="~/.aws/config" after="/home/meh/.aws/config"
2026-01-27T22:18:55.640064Z DEBUG region_provider_chain{provider=DefaultRegionChain(RegionProviderChain { providers: [EnvironmentVariableRegionProvider { env: Env(Real) }, ProfileFileRegionProvider { provider_config: ProviderConfig { env: Env(Real), fs: Fs(Real), time_source: SharedTimeSource(SystemTimeSource), http_client: None, retry_config: None, sleep_impl: Some(SharedAsyncSleep(TokioSleep)), region: None, use_fips: None, use_dual_stack: None, profile_name_override: None } }, ImdsRegionProvider { client: "IMDS client truncated for readability", env: Env(Real) }] })}:region_provider_chain{provider=ProfileFileRegionProvider { provider_config: ProviderConfig { env: Env(Real), fs: Fs(Real), time_source: SharedTimeSource(SystemTimeSource), http_client: None, retry_config: None, sleep_impl: Some(SharedAsyncSleep(TokioSleep)), region: None, use_fips: None, use_dual_stack: None, profile_name_override: None } }}:load_config_file{file=Default(Config)}: aws_runtime::env_config::source: config file not found path=~/.aws/config
2026-01-27T22:18:55.640067Z DEBUG region_provider_chain{provider=DefaultRegionChain(RegionProviderChain { providers: [EnvironmentVariableRegionProvider { env: Env(Real) }, ProfileFileRegionProvider { provider_config: ProviderConfig { env: Env(Real), fs: Fs(Real), time_source: SharedTimeSource(SystemTimeSource), http_client: None, retry_config: None, sleep_impl: Some(SharedAsyncSleep(TokioSleep)), region: None, use_fips: None, use_dual_stack: None, profile_name_override: None } }, ImdsRegionProvider { client: "IMDS client truncated for readability", env: Env(Real) }] })}:region_provider_chain{provider=ProfileFileRegionProvider { provider_config: ProviderConfig { env: Env(Real), fs: Fs(Real), time_source: SharedTimeSource(SystemTimeSource), http_client: None, retry_config: None, sleep_impl: Some(SharedAsyncSleep(TokioSleep)), region: None, use_fips: None, use_dual_stack: None, profile_name_override: None } }}:load_config_file{file=Default(Config)}: aws_runtime::env_config::source: config file loaded path=Some("/home/meh/.aws/config") size=0
2026-01-27T22:18:55.640071Z DEBUG region_provider_chain{provider=DefaultRegionChain(RegionProviderChain { providers: [EnvironmentVariableRegionProvider { env: Env(Real) }, ProfileFileRegionProvider { provider_config: ProviderConfig { env: Env(Real), fs: Fs(Real), time_source: SharedTimeSource(SystemTimeSource), http_client: None, retry_config: None, sleep_impl: Some(SharedAsyncSleep(TokioSleep)), region: None, use_fips: None, use_dual_stack: None, profile_name_override: None } }, ImdsRegionProvider { client: "IMDS client truncated for readability", env: Env(Real) }] })}:region_provider_chain{provider=ProfileFileRegionProvider { provider_config: ProviderConfig { env: Env(Real), fs: Fs(Real), time_source: SharedTimeSource(SystemTimeSource), http_client: None, retry_config: None, sleep_impl: Some(SharedAsyncSleep(TokioSleep)), region: None, use_fips: None, use_dual_stack: None, profile_name_override: None } }}:load_config_file{file=Default(Credentials)}: aws_runtime::env_config::source: performing home directory substitution home="/home/meh" path="~/.aws/credentials"
2026-01-27T22:18:55.640075Z DEBUG region_provider_chain{provider=DefaultRegionChain(RegionProviderChain { providers: [EnvironmentVariableRegionProvider { env: Env(Real) }, ProfileFileRegionProvider { provider_config: ProviderConfig { env: Env(Real), fs: Fs(Real), time_source: SharedTimeSource(SystemTimeSource), http_client: None, retry_config: None, sleep_impl: Some(SharedAsyncSleep(TokioSleep)), region: None, use_fips: None, use_dual_stack: None, profile_name_override: None } }, ImdsRegionProvider { client: "IMDS client truncated for readability", env: Env(Real) }] })}:region_provider_chain{provider=ProfileFileRegionProvider { provider_config: ProviderConfig { env: Env(Real), fs: Fs(Real), time_source: SharedTimeSource(SystemTimeSource), http_client: None, retry_config: None, sleep_impl: Some(SharedAsyncSleep(TokioSleep)), region: None, use_fips: None, use_dual_stack: None, profile_name_override: None } }}:load_config_file{file=Default(Credentials)}: aws_runtime::env_config::source: home directory expanded before="~/.aws/credentials" after="/home/meh/.aws/credentials"
2026-01-27T22:18:55.640079Z DEBUG region_provider_chain{provider=DefaultRegionChain(RegionProviderChain { providers: [EnvironmentVariableRegionProvider { env: Env(Real) }, ProfileFileRegionProvider { provider_config: ProviderConfig { env: Env(Real), fs: Fs(Real), time_source: SharedTimeSource(SystemTimeSource), http_client: None, retry_config: None, sleep_impl: Some(SharedAsyncSleep(TokioSleep)), region: None, use_fips: None, use_dual_stack: None, profile_name_override: None } }, ImdsRegionProvider { client: "IMDS client truncated for readability", env: Env(Real) }] })}:region_provider_chain{provider=ProfileFileRegionProvider { provider_config: ProviderConfig { env: Env(Real), fs: Fs(Real), time_source: SharedTimeSource(SystemTimeSource), http_client: None, retry_config: None, sleep_impl: Some(SharedAsyncSleep(TokioSleep)), region: None, use_fips: None, use_dual_stack: None, profile_name_override: None } }}:load_config_file{file=Default(Credentials)}: aws_runtime::env_config::source: config file not found path=~/.aws/credentials
2026-01-27T22:18:55.640082Z DEBUG region_provider_chain{provider=DefaultRegionChain(RegionProviderChain { providers: [EnvironmentVariableRegionProvider { env: Env(Real) }, ProfileFileRegionProvider { provider_config: ProviderConfig { env: Env(Real), fs: Fs(Real), time_source: SharedTimeSource(SystemTimeSource), http_client: None, retry_config: None, sleep_impl: Some(SharedAsyncSleep(TokioSleep)), region: None, use_fips: None, use_dual_stack: None, profile_name_override: None } }, ImdsRegionProvider { client: "IMDS client truncated for readability", env: Env(Real) }] })}:region_provider_chain{provider=ProfileFileRegionProvider { provider_config: ProviderConfig { env: Env(Real), fs: Fs(Real), time_source: SharedTimeSource(SystemTimeSource), http_client: None, retry_config: None, sleep_impl: Some(SharedAsyncSleep(TokioSleep)), region: None, use_fips: None, use_dual_stack: None, profile_name_override: None } }}:load_config_file{file=Default(Credentials)}: aws_runtime::env_config::source: config file loaded path=Some("/home/meh/.aws/credentials") size=0
2026-01-27T22:18:55.640094Z DEBUG region_provider_chain{provider=DefaultRegionChain(RegionProviderChain { providers: [EnvironmentVariableRegionProvider { env: Env(Real) }, ProfileFileRegionProvider { provider_config: ProviderConfig { env: Env(Real), fs: Fs(Real), time_source: SharedTimeSource(SystemTimeSource), http_client: None, retry_config: None, sleep_impl: Some(SharedAsyncSleep(TokioSleep)), region: None, use_fips: None, use_dual_stack: None, profile_name_override: None } }, ImdsRegionProvider { client: "IMDS client truncated for readability", env: Env(Real) }] })}:imds_load_region: aws_config::imds::region: not using IMDS to load region, IMDS is disabled
2026-01-27T22:18:55.640115Z TRACE aws_runtime::env_config: (env) no value set for AWS_MAX_ATTEMPTS
2026-01-27T22:18:55.640117Z TRACE aws_runtime::env_config: (service profile) no value set for max_attempts
2026-01-27T22:18:55.640119Z TRACE aws_runtime::env_config: (env) no value set for AWS_RETRY_MODE
2026-01-27T22:18:55.640120Z TRACE aws_runtime::env_config: (service profile) no value set for retry_mode
2026-01-27T22:18:55.640122Z TRACE aws_runtime::env_config: (env) no value set for AWS_SDK_UA_APP_ID
2026-01-27T22:18:55.640124Z TRACE aws_runtime::env_config: (service profile) no value set for sdk_ua_app_id
2026-01-27T22:18:55.640125Z TRACE aws_runtime::env_config: (service profile) no value set for sdk-ua-app-id
2026-01-27T22:18:55.640127Z TRACE aws_runtime::env_config: (env) no value set for AWS_DISABLE_REQUEST_COMPRESSION
2026-01-27T22:18:55.640130Z TRACE aws_runtime::env_config: (service profile) no value set for disable_request_compression
2026-01-27T22:18:55.640132Z TRACE aws_runtime::env_config: (env) no value set for AWS_REQUEST_MIN_COMPRESSION_SIZE_BYTES
2026-01-27T22:18:55.640133Z TRACE aws_runtime::env_config: (service profile) no value set for request_min_compression_size_bytes
2026-01-27T22:18:55.640147Z TRACE build_profile_file_credentials_provider: aws_smithy_http_client::hyper_legacy: creating a new default hyper 0.14.x client
2026-01-27T22:18:55.640154Z TRACE build_profile_file_credentials_provider: aws_smithy_runtime_api::client::runtime_plugin: applying client runtime plugins
2026-01-27T22:18:55.640161Z TRACE build_profile_file_credentials_provider: aws_smithy_http_client::hyper_legacy: creating a new default hyper 0.14.x client
2026-01-27T22:18:55.640165Z TRACE build_profile_file_credentials_provider: aws_smithy_runtime_api::client::runtime_plugin: applying client runtime plugins
2026-01-27T22:18:55.640183Z TRACE aws_runtime::env_config: (env) no value set for AWS_ENDPOINT_URL
2026-01-27T22:18:55.640185Z TRACE aws_runtime::env_config: (service profile) no value set for endpoint_url
2026-01-27T22:18:55.640199Z TRACE aws_smithy_http_client::hyper_legacy: creating a new default hyper 0.14.x client
2026-01-27T22:18:55.640211Z DEBUG aws_sdk_sts::endpoint_lib: loading default partitions
2026-01-27T22:18:55.640296Z TRACE aws_smithy_runtime_api::client::runtime_plugin: applying client runtime plugins
2026-01-27T22:18:55.643779Z DEBUG aws_smithy_http_client::hyper_legacy::default_connector: with_native_roots processed 146 valid and 0 invalid certs
2026-01-27T22:18:55.643807Z TRACE aws_smithy_http_client::hyper_legacy: creating a new default hyper 0.14.x client
2026-01-27T22:18:55.643815Z TRACE aws_smithy_runtime_api::client::runtime_plugin: applying client runtime plugins
2026-01-27T22:18:55.643821Z TRACE aws_smithy_http_client::hyper_legacy: creating a new default hyper 0.14.x client
2026-01-27T22:18:55.643825Z TRACE aws_smithy_runtime_api::client::runtime_plugin: applying client runtime plugins
2026-01-27T22:18:55.643834Z TRACE aws_runtime::env_config: (env) no value set for AWS_IGNORE_CONFIGURED_ENDPOINT_URLS
2026-01-27T22:18:55.643836Z TRACE aws_runtime::env_config: (service profile) no value set for ignore_configured_endpoint_urls
2026-01-27T22:18:55.643838Z TRACE aws_runtime::env_config: (env) no value set for AWS_ENDPOINT_URL
2026-01-27T22:18:55.643840Z TRACE aws_runtime::env_config: (service profile) no value set for endpoint_url
2026-01-27T22:18:55.643843Z TRACE aws_runtime::env_config: (env) no value set for AWS_REQUEST_CHECKSUM_CALCULATION
2026-01-27T22:18:55.643845Z TRACE aws_runtime::env_config: (service profile) no value set for request_checksum_calculation
2026-01-27T22:18:55.643847Z TRACE aws_runtime::env_config: (env) no value set for AWS_RESPONSE_CHECKSUM_VALIDATION
2026-01-27T22:18:55.643848Z TRACE aws_runtime::env_config: (service profile) no value set for response_checksum_validation
2026-01-27T22:18:55.643850Z TRACE aws_runtime::env_config: (env) no value set for AWS_ACCOUNT_ID_ENDPOINT_MODE
2026-01-27T22:18:55.643851Z TRACE aws_runtime::env_config: (service profile) no value set for account_id_endpoint_mode
2026-01-27T22:18:55.643854Z TRACE aws_runtime::env_config: (env) no value set for AWS_AUTH_SCHEME_PREFERENCE
2026-01-27T22:18:55.643856Z TRACE aws_runtime::env_config: (service profile) no value set for auth_scheme_preference
2026-01-27T22:18:55.643874Z TRACE aws_runtime::env_config: (env) no value set for AWS_ENDPOINT_URL
2026-01-27T22:18:55.643877Z TRACE aws_runtime::env_config: (service profile) no value set for endpoint_url
2026-01-27T22:18:55.643891Z TRACE aws_smithy_http_client::hyper_legacy: creating a new default hyper 0.14.x client
2026-01-27T22:18:55.643900Z DEBUG aws_sdk_transcribestreaming::endpoint_lib: loading default partitions
2026-01-27T22:18:55.643973Z TRACE aws_smithy_runtime_api::client::runtime_plugin: applying client runtime plugins
2026-01-27T22:18:55.643998Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:apply_configuration: aws_smithy_runtime_api::client::runtime_plugin: applying client runtime plugins
2026-01-27T22:18:55.644007Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:apply_configuration: aws_smithy_runtime::client::interceptors: running client `read_before_execution` interceptors
2026-01-27T22:18:55.644016Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:apply_configuration: aws_smithy_runtime_api::client::runtime_plugin: applying operation runtime plugins
2026-01-27T22:18:55.644022Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:apply_configuration: aws_smithy_runtime::client::interceptors: running operation `read_before_execution` interceptors
2026-01-27T22:18:55.644032Z DEBUG Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:apply_configuration: aws_smithy_runtime::client::orchestrator: timeout settings for this operation: TimeoutConfig { connect_timeout: Set(3.1s), read_timeout: Unset, operation_timeout: Unset, operation_attempt_timeout: Unset }
2026-01-27T22:18:55.644042Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}: aws_smithy_runtime::client::orchestrator: runtime_components=RuntimeComponents { auth_scheme_option_resolver: Tracked { _origin: "ServiceRuntimePlugin", value: SharedAuthSchemeOptionResolver(DowncastParams(DefaultAuthSchemeResolver { service_defaults: [AuthSchemeOption { scheme_id: AuthSchemeId { scheme_id: "sigv4" }, properties: None }], operation_overrides: {} })) }, http_client: Some(Tracked { _origin: "default_http_client_plugin", value: SharedHttpClient { selector: HyperClient { connector_cache: RwLock { data: {}, poisoned: false, .. }, client_builder: Builder { client_config: Config { retry_canceled_requests: true, set_host: true, ver: Auto }, conn_builder: Builder { exec: Exec, h09_responses: false, h1_parser_config: ParserConfig { allow_spaces_after_header_name_in_responses: false, allow_obsolete_multiline_headers_in_responses: false, allow_multiple_spaces_in_request_line_delimiters: false, allow_multiple_spaces_in_response_status_delimiters: false, allow_space_before_first_header_name: false, ignore_invalid_headers_in_responses: false, ignore_invalid_headers_in_requests: false }, h1_writev: None, h1_title_case_headers: false, h1_preserve_header_case: false, h1_read_buf_exact_size: None, h1_max_buf_size: None, h2_builder: Config { adaptive_window: false, initial_conn_window_size: 5242880, initial_stream_window_size: 2097152, max_frame_size: 16384, keep_alive_interval: None, keep_alive_timeout: 20s, keep_alive_while_idle: false, max_concurrent_reset_streams: None, max_send_buffer_size: 1048576 }, version: Http1 }, pool_config: Config { idle_timeout: Some(90s), max_idle_per_host: 18446744073709551615 } } } } }), endpoint_resolver: Tracked { _origin: "ServiceRuntimePlugin", value: SharedEndpointResolver(DowncastParams(DefaultResolver { partition_resolver: PartitionResolver { partitions: [PartitionMetadata { id: "aws", region_regex: Regex("^(us|eu|ap|sa|ca|me|af|il|mx)\\-\\w+\\-\\d+$"), regions: {"ap-south-2": PartitionOutputOverride { name: None, dns_suffix: None, dual_stack_dns_suffix: None, supports_fips: None, supports_dual_stack: None, implicit_global_region: None }, "me-south-1": PartitionOutputOverride { name: None, dns_suffix: None, dual_stack_dns_suffix: None, supports_fips: None, supports_dual_stack: None, implicit_global_region: None }, "ap-northeast-1": PartitionOutputOverride { name: None, dns_suffix: None, dual_stack_dns_suffix: None, supports_fips: None, supports_dual_stack: None, implicit_global_region: None }, "il-central-1": PartitionOutputOverride { name: None, dns_suffix: None, dual_stack_dns_suffix: None, supports_fips: None, supports_dual_stack: None, implicit_global_region: None }, "ap-southeast-1": PartitionOutputOverride { name: None, dns_suffix: None, dual_stack_dns_suffix: None, supports_fips: None, supports_dual_stack: None, implicit_global_region: None }, "us-east-1": PartitionOutputOverride { name: None, dns_suffix: None, dual_stack_dns_suffix: None, supports_fips: None, supports_dual_stack: None, implicit_global_region: None }, "ap-southeast-3": PartitionOutputOverride { name: None, dns_suffix: None, dual_stack_dns_suffix: None, supports_fips: None, supports_dual_stack: None, implicit_global_region: None }, "eu-central-2": PartitionOutputOverride { name: None, dns_suffix: None, dual_stack_dns_suffix: None, supports_fips: None, supports_dual_stack: None, implicit_global_region: None }, "eu-west-1": PartitionOutputOverride { name: None, dns_suffix: None, dual_stack_dns_suffix: None, supports_fips: None, supports_dual_stack: None, implicit_global_region: None }, "us-west-1": PartitionOutputOverride { name: None, dns_suffix: None, dual_stack_dns_suffix: None, supports_fips: None, supports_dual_stack: None, implicit_global_region: None }, "ap-northeast-3": PartitionOutputOverride { name: None, dns_suffix: None, dual_stack_dns_suffix: None, supports_fips: None, supports_dual_stack: None, implicit_global_region: None }, "mx-central-1": PartitionOutputOverride { name: None, dns_suffix: None, dual_stack_dns_suffix: None, supports_fips: None, supports_dual_stack: None, implicit_global_region: None }, "ca-west-1": PartitionOutputOverride { name: None, dns_suffix: None, dual_stack_dns_suffix: None, supports_fips: None, supports_dual_stack: None, implicit_global_region: None }, "af-south-1": PartitionOutputOverride { name: None, dns_suffix: None, dual_stack_dns_suffix: None, supports_fips: None, supports_dual_stack: None, implicit_global_region: None }, "ap-southeast-2": PartitionOutputOverride { name: None, dns_suffix: None, dual_stack_dns_suffix: None, supports_fips: None, supports_dual_stack: None, implicit_global_region: None }, "ap-southeast-4": PartitionOutputOverride { name: None, dns_suffix: None, dual_stack_dns_suffix: None, supports_fips: None, supports_dual_stack: None, implicit_global_region: None }, "ap-east-2": PartitionOutputOverride { name: None, dns_suffix: None, dual_stack_dns_suffix: None, supports_fips: None, supports_dual_stack: None, implicit_global_region: None }, "ap-southeast-6": PartitionOutputOverride { name: None, dns_suffix: None, dual_stack_dns_suffix: None, supports_fips: None, supports_dual_stack: None, implicit_global_region: None }, "eu-west-3": PartitionOutputOverride { name: None, dns_suffix: None, dual_stack_dns_suffix: None, supports_fips: None, supports_dual_stack: None, implicit_global_region: None }, "ca-central-1": PartitionOutputOverride { name: None, dns_suffix: None, dual_stack_dns_suffix: None, supports_fips: None, supports_dual_stack: None, implicit_global_region: None }, "eu-south-2": PartitionOutputOverride { name: None, dns_suffix: None, dual_stack_dns_suffix: None, supports_fips: None, supports_dual_stack: None, implicit_global_region: None }, "eu-central-1": PartitionOutputOverride { name: None, dns_suffix: None, dual_stack_dns_suffix: None, supports_fips: None, supports_dual_stack: None, implicit_global_region: None }, "eu-west-2": PartitionOutputOverride { name: None, dns_suffix: None, dual_stack_dns_suffix: None, supports_fips: None, supports_dual_stack: None, implicit_global_region: None }, "ap-southeast-7": PartitionOutputOverride { name: None, dns_suffix: None, dual_stack_dns_suffix: None, supports_fips: None, supports_dual_stack: None, implicit_global_region: None }, "me-central-1": PartitionOutputOverride { name: None, dns_suffix: None, dual_stack_dns_suffix: None, supports_fips: None, supports_dual_stack: None, implicit_global_region: None }, "sa-east-1": PartitionOutputOverride { name: None, dns_suffix: None, dual_stack_dns_suffix: None, supports_fips: None, supports_dual_stack: None, implicit_global_region: None }, "eu-south-1": PartitionOutputOverride { name: None, dns_suffix: None, dual_stack_dns_suffix: None, supports_fips: None, supports_dual_stack: None, implicit_global_region: None }, "us-east-2": PartitionOutputOverride { name: None, dns_suffix: None, dual_stack_dns_suffix: None, supports_fips: None, supports_dual_stack: None, implicit_global_region: None }, "ap-southeast-5": PartitionOutputOverride { name: None, dns_suffix: None, dual_stack_dns_suffix: None, supports_fips: None, supports_dual_stack: None, implicit_global_region: None }, "us-west-2": PartitionOutputOverride { name: None, dns_suffix: None, dual_stack_dns_suffix: None, supports_fips: None, supports_dual_stack: None, implicit_global_region: None }, "eu-north-1": PartitionOutputOverride { name: None, dns_suffix: None, dual_stack_dns_suffix: None, supports_fips: None, supports_dual_stack: None, implicit_global_region: None }, "aws-global": PartitionOutputOverride { name: None, dns_suffix: None, dual_stack_dns_suffix: None, supports_fips: None, supports_dual_stack: None, implicit_global_region: None }, "ap-east-1": PartitionOutputOverride { name: None, dns_suffix: None, dual_stack_dns_suffix: None, supports_fips: None, supports_dual_stack: None, implicit_global_region: None }, "ap-south-1": PartitionOutputOverride { name: None, dns_suffix: None, dual_stack_dns_suffix: None, supports_fips: None, supports_dual_stack: None, implicit_global_region: None }, "ap-northeast-2": PartitionOutputOverride { name: None, dns_suffix: None, dual_stack_dns_suffix: None, supports_fips: None, supports_dual_stack: None, implicit_global_region: None }}, outputs: PartitionOutput { name: "aws", dns_suffix: "amazonaws.com", dual_stack_dns_suffix: "api.aws", supports_fips: true, supports_dual_stack: true, implicit_global_region: "us-east-1" } }, PartitionMetadata { id: "aws-cn", region_regex: Regex("^cn\\-\\w+\\-\\d+$"), regions: {"cn-northwest-1": PartitionOutputOverride { name: None, dns_suffix: None, dual_stack_dns_suffix: None, supports_fips: None, supports_dual_stack: None, implicit_global_region: None }, "aws-cn-global": PartitionOutputOverride { name: None, dns_suffix: None, dual_stack_dns_suffix: None, supports_fips: None, supports_dual_stack: None, implicit_global_region: None }, "cn-north-1": PartitionOutputOverride { name: None, dns_suffix: None, dual_stack_dns_suffix: None, supports_fips: None, supports_dual_stack: None, implicit_global_region: None }}, outputs: PartitionOutput { name: "aws-cn", dns_suffix: "amazonaws.com.cn", dual_stack_dns_suffix: "api.amazonwebservices.com.cn", supports_fips: true, supports_dual_stack: true, implicit_global_region: "cn-northwest-1" } }, PartitionMetadata { id: "aws-eusc", region_regex: Regex("^eusc\\-(de)\\-\\w+\\-\\d+$"), regions: {"eusc-de-east-1": PartitionOutputOverride { name: None, dns_suffix: None, dual_stack_dns_suffix: None, supports_fips: None, supports_dual_stack: None, implicit_global_region: None }}, outputs: PartitionOutput { name: "aws-eusc", dns_suffix: "amazonaws.eu", dual_stack_dns_suffix: "api.amazonwebservices.eu", supports_fips: true, supports_dual_stack: true, implicit_global_region: "eusc-de-east-1" } }, PartitionMetadata { id: "aws-iso", region_regex: Regex("^us\\-iso\\-\\w+\\-\\d+$"), regions: {"aws-iso-global": PartitionOutputOverride { name: None, dns_suffix: None, dual_stack_dns_suffix: None, supports_fips: None, supports_dual_stack: None, implicit_global_region: None }, "us-iso-east-1": PartitionOutputOverride { name: None, dns_suffix: None, dual_stack_dns_suffix: None, supports_fips: None, supports_dual_stack: None, implicit_global_region: None }, "us-iso-west-1": PartitionOutputOverride { name: None, dns_suffix: None, dual_stack_dns_suffix: None, supports_fips: None, supports_dual_stack: None, implicit_global_region: None }}, outputs: PartitionOutput { name: "aws-iso", dns_suffix: "c2s.ic.gov", dual_stack_dns_suffix: "api.aws.ic.gov", supports_fips: true, supports_dual_stack: true, implicit_global_region: "us-iso-east-1" } }, PartitionMetadata { id: "aws-iso-b", region_regex: Regex("^us\\-isob\\-\\w+\\-\\d+$"), regions: {"us-isob-west-1": PartitionOutputOverride { name: None, dns_suffix: None, dual_stack_dns_suffix: None, supports_fips: None, supports_dual_stack: None, implicit_global_region: None }, "aws-iso-b-global": PartitionOutputOverride { name: None, dns_suffix: None, dual_stack_dns_suffix: None, supports_fips: None, supports_dual_stack: None, implicit_global_region: None }, "us-isob-east-1": PartitionOutputOverride { name: None, dns_suffix: None, dual_stack_dns_suffix: None, supports_fips: None, supports_dual_stack: None, implicit_global_region: None }}, outputs: PartitionOutput { name: "aws-iso-b", dns_suffix: "sc2s.sgov.gov", dual_stack_dns_suffix: "api.aws.scloud", supports_fips: true, supports_dual_stack: true, implicit_global_region: "us-isob-east-1" } }, PartitionMetadata { id: "aws-iso-e", region_regex: Regex("^eu\\-isoe\\-\\w+\\-\\d+$"), regions: {"aws-iso-e-global": PartitionOutputOverride { name: None, dns_suffix: None, dual_stack_dns_suffix: None, supports_fips: None, supports_dual_stack: None, implicit_global_region: None }, "eu-isoe-west-1": PartitionOutputOverride { name: None, dns_suffix: None, dual_stack_dns_suffix: None, supports_fips: None, supports_dual_stack: None, implicit_global_region: None }}, outputs: PartitionOutput { name: "aws-iso-e", dns_suffix: "cloud.adc-e.uk", dual_stack_dns_suffix: "api.cloud-aws.adc-e.uk", supports_fips: true, supports_dual_stack: true, implicit_global_region: "eu-isoe-west-1" } }, PartitionMetadata { id: "aws-iso-f", region_regex: Regex("^us\\-isof\\-\\w+\\-\\d+$"), regions: {"aws-iso-f-global": PartitionOutputOverride { name: None, dns_suffix: None, dual_stack_dns_suffix: None, supports_fips: None, supports_dual_stack: None, implicit_global_region: None }, "us-isof-south-1": PartitionOutputOverride { name: None, dns_suffix: None, dual_stack_dns_suffix: None, supports_fips: None, supports_dual_stack: None, implicit_global_region: None }, "us-isof-east-1": PartitionOutputOverride { name: None, dns_suffix: None, dual_stack_dns_suffix: None, supports_fips: None, supports_dual_stack: None, implicit_global_region: None }}, outputs: PartitionOutput { name: "aws-iso-f", dns_suffix: "csp.hci.ic.gov", dual_stack_dns_suffix: "api.aws.hci.ic.gov", supports_fips: true, supports_dual_stack: true, implicit_global_region: "us-isof-south-1" } }, PartitionMetadata { id: "aws-us-gov", region_regex: Regex("^us\\-gov\\-\\w+\\-\\d+$"), regions: {"us-gov-west-1": PartitionOutputOverride { name: None, dns_suffix: None, dual_stack_dns_suffix: None, supports_fips: None, supports_dual_stack: None, implicit_global_region: None }, "aws-us-gov-global": PartitionOutputOverride { name: None, dns_suffix: None, dual_stack_dns_suffix: None, supports_fips: None, supports_dual_stack: None, implicit_global_region: None }, "us-gov-east-1": PartitionOutputOverride { name: None, dns_suffix: None, dual_stack_dns_suffix: None, supports_fips: None, supports_dual_stack: None, implicit_global_region: None }}, outputs: PartitionOutput { name: "aws-us-gov", dns_suffix: "amazonaws.com", dual_stack_dns_suffix: "api.aws", supports_fips: true, supports_dual_stack: true, implicit_global_region: "us-gov-west-1" } }] } })) }, auth_schemes: {AuthSchemeId { scheme_id: "sigv4" }: Tracked { _origin: "ServiceRuntimePlugin", value: SharedAuthScheme(SigV4AuthScheme { signer: SigV4Signer }) }, AuthSchemeId { scheme_id: "noAuth" }: Tracked { _origin: "NoAuthRuntimePlugin", value: SharedAuthScheme(NoAuthScheme { signer: NoAuthSigner }) }}, identity_cache: Tracked { _origin: "service config", value: SharedIdentityCache(LazyCache { partitions: CachePartitions { partitions: RwLock { data: {}, poisoned: false, .. }, buffer_time: 10s }, load_timeout: 5s, buffer_time: 10s, buffer_time_jitter_fraction: 0x55bef567dd20, default_expiration: 900s }) }, identity_resolvers: {AuthSchemeId { scheme_id: "sigv4" }: Tracked { _origin: "service config", value: SharedIdentityResolver { inner: SharedCredentialsProvider(DefaultCredentialsChain { provider_chain: CredentialsProviderChain { providers: ["Environment", "Profile", "WebIdentityToken", "EcsContainer", "Ec2InstanceMetadata"] } }, IdentityCachePartition(7)), cache_partition: IdentityCachePartition(7) } }, AuthSchemeId { scheme_id: "noAuth" }: Tracked { _origin: "NoAuthRuntimePlugin", value: SharedIdentityResolver { inner: NoAuthIdentityResolver, cache_partition: IdentityCachePartition(8) } }}, interceptors: [Tracked { _origin: "default_retry_config_plugin", value: SharedInterceptor { interceptor: TokenBucketProvider { default_partition: RetryPartition { inner: Default("transcribestreaming-us-east-1") }, token_bucket: TokenBucket { semaphore: Semaphore { ll_sem: Semaphore { permits: 500 } }, max_permits: 500, timeout_retry_cost: 10, retry_cost: 5, success_reward: 0.0, fractional_tokens: AtomicF32 { value: 0.0 }, refill_rate: 0.0, last_refill_time_secs: 0 } } } }, Tracked { _origin: "ServiceRuntimePlugin", value: SharedInterceptor { interceptor: ConnectionPoisoningInterceptor } }, Tracked { _origin: "ServiceRuntimePlugin", value: SharedInterceptor { interceptor: RetryModeFeatureTrackerInterceptor } }, Tracked { _origin: "ServiceRuntimePlugin", value: SharedInterceptor { interceptor: ServiceClockSkewInterceptor } }, Tracked { _origin: "ServiceRuntimePlugin", value: SharedInterceptor { interceptor: RequestInfoInterceptor } }, Tracked { _origin: "ServiceRuntimePlugin", value: SharedInterceptor { interceptor: UserAgentInterceptor } }, Tracked { _origin: "ServiceRuntimePlugin", value: SharedInterceptor { interceptor: InvocationIdInterceptor { default: DefaultInvocationIdGenerator { rng: Mutex { data: Rng(2003486178156519407), poisoned: false, .. } } } } }, Tracked { _origin: "ServiceRuntimePlugin", value: SharedInterceptor { interceptor: RecursionDetectionInterceptor { env: Env(Real) } } }, Tracked { _origin: "ServiceRuntimePlugin", value: SharedInterceptor { interceptor: EndpointOverrideFeatureTrackerInterceptor } }, Tracked { _origin: "ServiceRuntimePlugin", value: SharedInterceptor { interceptor: ObservabilityFeatureTrackerInterceptor } }, Tracked { _origin: "EnforceContentLength", value: SharedInterceptor { interceptor: EnforceContentLengthInterceptor } }, Tracked { _origin: "Metrics", value: SharedInterceptor { interceptor: MetricsInterceptor { time_source: SharedTimeSource(SharedTimeSource(SharedTimeSource(SystemTimeSource))) } } }, Tracked { _origin: "StartStreamTranscription", value: SharedInterceptor { interceptor: StartStreamTranscriptionEndpointParamsInterceptor } }], retry_classifiers: [Tracked { _origin: "ServiceRuntimePlugin", value: SharedRetryClassifier(HttpStatusCodeClassifier { retryable_status_codes: [500, 502, 503, 504] }) }, Tracked { _origin: "StartStreamTranscription", value: SharedRetryClassifier(AwsErrorCodeClassifier { throttling_errors: ["Throttling", "ThrottlingException", "ThrottledException", "RequestThrottledException", "TooManyRequestsException", "ProvisionedThroughputExceededException", "TransactionInProgressException", "RequestLimitExceeded", "BandwidthLimitExceeded", "LimitExceededException", "RequestThrottled", "SlowDown", "PriorRequestNotComplete", "EC2ThrottledException"], transient_errors: ["RequestTimeout", "RequestTimeoutException"], _inner: PhantomData<aws_sdk_transcribestreaming::operation::start_stream_transcription::StartStreamTranscriptionError> }) }, Tracked { _origin: "StartStreamTranscription", value: SharedRetryClassifier(ModeledAsRetryableClassifier { _inner: PhantomData<aws_sdk_transcribestreaming::operation::start_stream_transcription::StartStreamTranscriptionError> }) }, Tracked { _origin: "StartStreamTranscription", value: SharedRetryClassifier(TransientErrorClassifier { _inner: PhantomData<aws_sdk_transcribestreaming::operation::start_stream_transcription::StartStreamTranscriptionError> }) }], retry_strategy: Tracked { _origin: "default_retry_config_plugin", value: SharedRetryStrategy(StandardRetryStrategy { retry_permit: Mutex { data: None, poisoned: false, .. } }) }, time_source: Some(Tracked { _origin: "service config", value: SharedTimeSource(SharedTimeSource(SystemTimeSource)) }), sleep_impl: Some(Tracked { _origin: "service config", value: SharedAsyncSleep(TokioSleep) }), config_validators: [Tracked { _origin: "default_retry_config_plugin", value: SharedConfigValidator { inner: StaticFn } }, Tracked { _origin: "default_timeout_config_plugin", value: SharedConfigValidator { inner: StaticFn } }, Tracked { _origin: "default_stalled_stream_protection_config_plugin", value: SharedConfigValidator { inner: StaticFn } }] }
2026-01-27T22:18:55.644136Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}: aws_smithy_runtime::client::orchestrator: operation_timeout_config=MaybeTimeoutConfig { sleep_impl: Some(SharedAsyncSleep(TokioSleep)), timeout: None, timeout_kind: Operation }
2026-01-27T22:18:55.644146Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op: aws_smithy_runtime::client::interceptors: running `modify_before_serialization` interceptors
2026-01-27T22:18:55.644151Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op: aws_smithy_runtime::client::interceptors: running `read_before_serialization` interceptors
2026-01-27T22:18:55.644156Z DEBUG Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op: aws_smithy_runtime_api::client::interceptors::context: entering 'serialization' phase
2026-01-27T22:18:55.644180Z DEBUG Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op: aws_smithy_runtime_api::client::interceptors::context: entering 'before transmit' phase
2026-01-27T22:18:55.644182Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op: aws_smithy_runtime::client::interceptors: running `read_after_serialization` interceptors
2026-01-27T22:18:55.644189Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op: aws_smithy_runtime::client::interceptors: running `modify_before_retry_loop` interceptors
2026-01-27T22:18:55.644192Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op: aws_smithy_runtime::client::retries::strategy::standard: token bucket for RetryPartition { inner: Default("transcribestreaming-us-east-1") } added to config bag
2026-01-27T22:18:55.644198Z DEBUG Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op: aws_smithy_runtime::client::retries::strategy::standard: no client rate limiter configured, so no token is required for the initial request.
2026-01-27T22:18:55.644201Z DEBUG Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op: aws_smithy_runtime::client::orchestrator: retry strategy has OKed initial request
2026-01-27T22:18:55.644204Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op: aws_smithy_runtime_api::client::interceptors::context: saving request checkpoint...
2026-01-27T22:18:55.644206Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op: aws_smithy_runtime_api::client::interceptors::context: failed to save request checkpoint: request body could not be cloned
2026-01-27T22:18:55.644209Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op: aws_smithy_runtime::client::orchestrator: checking if context can be rewound for attempt #1
2026-01-27T22:18:55.644212Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op: aws_smithy_runtime::client::orchestrator: attempt_timeout_config=MaybeTimeoutConfig { sleep_impl: Some(SharedAsyncSleep(TokioSleep)), timeout: None, timeout_kind: OperationAttempt }
2026-01-27T22:18:55.644215Z DEBUG Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op: aws_smithy_runtime::client::orchestrator: beginning attempt #1
2026-01-27T22:18:55.644220Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}: aws_smithy_runtime::client::interceptors: running `read_before_attempt` interceptors
2026-01-27T22:18:55.644226Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}: aws_smithy_runtime::client::orchestrator::auth: orchestrating auth auth_scheme_option_resolver_params=AuthSchemeOptionResolverParams(TypeErasedBox[!Clone]:Params { operation_name: "StartStreamTranscription" }) auth_scheme_options=[AuthSchemeOption { scheme_id: AuthSchemeId { scheme_id: "sigv4" }, properties: None }]
2026-01-27T22:18:55.644232Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}: aws_smithy_runtime::client::orchestrator::auth: resolving identity scheme_id=AuthSchemeId { scheme_id: "sigv4" }
2026-01-27T22:18:55.644255Z DEBUG Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:lazy_load_identity:default_credentials_chain: aws_config::meta::credentials::chain: loaded credentials provider=Environment
2026-01-27T22:18:55.644263Z DEBUG Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:lazy_load_identity: aws_smithy_runtime::client::identity::cache::lazy: identity cache miss occurred; added new identity (took 21.1µs) new_expiration=2026-01-27T22:33:55.644235Z valid_for=899.999972758s partition=IdentityCachePartition(7)
2026-01-27T22:18:55.644271Z DEBUG Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}: aws_smithy_runtime::client::identity::cache::lazy: loaded identity
2026-01-27T22:18:55.644273Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}: aws_smithy_runtime::client::orchestrator::auth: resolved identity identity=Identity { data: Credentials { provider_name: "EnvironmentVariable", access_key_id: "AKIA4Z3JW5SVT7MOO3OA", secret_access_key: "** redacted **", expires_after: "never", property_0: TypeErasedBox[Clone]:[CredentialsEnvVars] }, expiration: None, property_0: TypeErasedBox[!Clone]:FrozenLayer(Layer { name: "IdentityResolutionFeatureIdTracking", items: [TypeErasedBox[!Clone]:Set([CredentialsEnvVars])] }) }
2026-01-27T22:18:55.649179Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:orchestrate_endpoint: aws_smithy_runtime::client::orchestrator::endpoints: orchestrating endpoint resolution
2026-01-27T22:18:55.649186Z DEBUG Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:orchestrate_endpoint: aws_smithy_runtime::client::orchestrator::endpoints: resolving endpoint endpoint_params=EndpointResolverParams { inner: TypeErasedBox[!Clone]:Params { region: Some("us-east-1"), use_dual_stack: false, use_fips: false, endpoint: None }, property: {TypeId(0x649e4d70f8d5f40bf5744465211f887d): TypeErasedBox[!Clone]:Identity { data: Credentials { provider_name: "EnvironmentVariable", access_key_id: "AKIA4Z3JW5SVT7MOO3OA", secret_access_key: "** redacted **", expires_after: "never", property_0: TypeErasedBox[Clone]:[CredentialsEnvVars] }, expiration: None, property_0: TypeErasedBox[!Clone]:FrozenLayer(Layer { name: "IdentityResolutionFeatureIdTracking", items: [TypeErasedBox[!Clone]:Set([CredentialsEnvVars])] }) }} }
2026-01-27T22:18:55.649198Z DEBUG Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:orchestrate_endpoint: aws_smithy_runtime::client::orchestrator::endpoints: will apply endpoint Endpoint { url: "https://transcribestreaming.us-east-1.amazonaws.com", headers: {}, properties: {} } endpoint_prefix=None
2026-01-27T22:18:55.649211Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}: aws_smithy_runtime::client::interceptors: running `modify_before_signing` interceptors
2026-01-27T22:18:55.649245Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}: aws_smithy_runtime::client::interceptors: running `read_before_signing` interceptors
2026-01-27T22:18:55.649251Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}: aws_smithy_runtime::client::orchestrator::auth: signing request
2026-01-27T22:18:55.649254Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}: aws_smithy_runtime::client::orchestrator::auth: signing implementation signer=SigV4Signer
2026-01-27T22:18:55.649268Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}: aws_sigv4::http_request::sign: signing request request=SignableRequest { method: "POST", uri: https://transcribestreaming.us-east-1.amazonaws.com/stream-transcription, headers: [("x-amzn-transcribe-language-code", "en-US"), ("x-amzn-transcribe-sample-rate", "48000"), ("x-amzn-transcribe-media-encoding", "pcm"), ("x-amzn-transcribe-enable-partial-results-stabilization", "true"), ("content-type", "application/vnd.amazon.eventstream"), ("user-agent", "aws-sdk-rust/1.3.11 os/linux lang/rust/1.92.0"), ("x-amz-user-agent", "aws-sdk-rust/1.3.11 ua/2.1 api/transcribestreaming/1.96.0 os/linux lang/rust/1.92.0 m/E,g md/http#hyper-0.x")], body: Bytes("** REDACTED **. To print 0 bytes of raw data, set environment variable `LOG_SIGNABLE_BODY=true`") } params=V4(SigningParams { identity: Identity { data: Credentials { provider_name: "EnvironmentVariable", access_key_id: "AKIA4Z3JW5SVT7MOO3OA", secret_access_key: "** redacted **", expires_after: "never", property_0: TypeErasedBox[Clone]:[CredentialsEnvVars] }, expiration: None, property_0: TypeErasedBox[!Clone]:FrozenLayer(Layer { name: "IdentityResolutionFeatureIdTracking", items: [TypeErasedBox[!Clone]:Set([CredentialsEnvVars])] }) }, region: "us-east-1", name: "transcribe", time: SystemTime { tv_sec: 1769552335, tv_nsec: 649262585 }, settings: SigningSettings { percent_encoding_mode: Double, payload_checksum_kind: NoHeader, signature_location: Headers, expires_in: None, excluded_headers: Some(["authorization", "user-agent", "x-amzn-trace-id", "transfer-encoding"]), uri_path_normalization_mode: Enabled, session_token_mode: Include, session_token_name_override: None } })
2026-01-27T22:18:55.649305Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}: aws_sigv4::http_request::sign: canonical_request=POST
/stream-transcription

content-type:application/vnd.amazon.eventstream
host:transcribestreaming.us-east-1.amazonaws.com
x-amz-date:20260127T221855Z
x-amz-user-agent:aws-sdk-rust/1.3.11 ua/2.1 api/transcribestreaming/1.96.0 os/linux lang/rust/1.92.0 m/E,g md/http#hyper-0.x
x-amzn-transcribe-enable-partial-results-stabilization:true
x-amzn-transcribe-language-code:en-US
x-amzn-transcribe-media-encoding:pcm
x-amzn-transcribe-sample-rate:48000

content-type;host;x-amz-date;x-amz-user-agent;x-amzn-transcribe-enable-partial-results-stabilization;x-amzn-transcribe-language-code;x-amzn-transcribe-media-encoding;x-amzn-transcribe-sample-rate
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
2026-01-27T22:18:55.649325Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}: aws_smithy_runtime::client::interceptors: running `read_after_signing` interceptors
2026-01-27T22:18:55.649330Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}: aws_smithy_runtime::client::interceptors: running `modify_before_transmit` interceptors
2026-01-27T22:18:55.649341Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}: aws_smithy_runtime::client::interceptors: running `read_before_transmit` interceptors
2026-01-27T22:18:55.649346Z DEBUG Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}: aws_smithy_runtime_api::client::interceptors::context: entering 'transmit' phase
2026-01-27T22:18:55.649349Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}: aws_smithy_runtime::client::orchestrator: transmitting request request=Request { body: SdkBody { inner: BoxBody, retryable: false }, uri: Uri { as_string: "https://transcribestreaming.us-east-1.amazonaws.com/stream-transcription", parsed: H0(https://transcribestreaming.us-east-1.amazonaws.com/stream-transcription) }, method: POST, extensions: Extensions { extensions_02x: Extensions, extensions_1x: {aws_smithy_runtime_api::client::connection::CaptureSmithyConnection} }, headers: Headers { headers: {"x-amzn-transcribe-language-code": HeaderValue { _private: H0("en-US") }, "x-amzn-transcribe-sample-rate": HeaderValue { _private: H0("48000") }, "x-amzn-transcribe-media-encoding": HeaderValue { _private: H0("pcm") }, "x-amzn-transcribe-enable-partial-results-stabilization": HeaderValue { _private: H0("true") }, "content-type": HeaderValue { _private: H0("application/vnd.amazon.eventstream") }, "user-agent": HeaderValue { _private: H0("aws-sdk-rust/1.3.11 os/linux lang/rust/1.92.0") }, "x-amz-user-agent": HeaderValue { _private: H0("aws-sdk-rust/1.3.11 ua/2.1 api/transcribestreaming/1.96.0 os/linux lang/rust/1.92.0 m/E,g md/http#hyper-0.x") }, "x-amz-date": HeaderValue { _private: H0("20260127T221855Z") }, "authorization": HeaderValue { _private: H0("AWS4-HMAC-SHA256 Credential=AKIA4Z3JW5SVT7MOO3OA/20260127/us-east-1/transcribe/aws4_request, SignedHeaders=content-type;host;x-amz-date;x-amz-user-agent;x-amzn-transcribe-enable-partial-results-stabilization;x-amzn-transcribe-language-code;x-amzn-transcribe-media-encoding;x-amzn-transcribe-sample-rate, Signature=36a7ecb425d9ef52968f6c7262eb4cbab36d8416d4ee6fea2613c840d4e48184") }, "amz-sdk-request": HeaderValue { _private: H0("attempt=1; max=3") }, "amz-sdk-invocation-id": HeaderValue { _private: H0("7eff24bd-6b58-4d17-9573-668b7ce92986") }} } }
2026-01-27T22:18:55.649361Z DEBUG Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}: aws_smithy_http_client::hyper_legacy: new TCP connector created in 371ns
2026-01-27T22:18:55.649378Z DEBUG Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}: aws_smithy_runtime::client::http::body::minimum_throughput: no minimum upload throughput checks
2026-01-27T22:18:55.649390Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}: hyper::client::pool: checkout waiting for idle connection: ("https", transcribestreaming.us-east-1.amazonaws.com)
2026-01-27T22:18:55.649406Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}: hyper::client::connect::http: Http::connect; scheme=Some("https"), host=Some("transcribestreaming.us-east-1.amazonaws.com"), port=None
2026-01-27T22:18:55.649478Z DEBUG hyper::client::connect::dns: resolving host="transcribestreaming.us-east-1.amazonaws.com"
2026-01-27T22:18:55.650295Z DEBUG Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}: hyper::client::connect::http: connecting to 18.213.153.232:443
2026-01-27T22:18:56.079215Z DEBUG Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}: hyper::client::connect::http: connected to 18.213.153.232:443
2026-01-27T22:18:56.079244Z DEBUG Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}: rustls::client::hs: No cached session for DnsName("transcribestreaming.us-east-1.amazonaws.com")
2026-01-27T22:18:56.079283Z DEBUG Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}: rustls::client::hs: Not resuming any session
2026-01-27T22:18:56.079310Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}: rustls::client::hs: Sending ClientHello Message {
    version: TLSv1_0,
    payload: Handshake {
        parsed: HandshakeMessagePayload {
            typ: ClientHello,
            payload: ClientHello(
                ClientHelloPayload {
                    client_version: TLSv1_2,
                    random: 7b175f9b1a51e968069c9554e33706dd7b0de43a546fbf3e8e2867de27b8fb48,
                    session_id: f7de3af3511e104460452243ef41ffa8b4b907277887c8de0d2712aa61d21525,
                    cipher_suites: [
                        TLS13_AES_256_GCM_SHA384,
                        TLS13_AES_128_GCM_SHA256,
                        TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,
                        TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
                        TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,
                        TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
                        TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256,
                        TLS_EMPTY_RENEGOTIATION_INFO_SCSV,
                    ],
                    compression_methods: [
                        Null,
                    ],
                    extensions: [
                        SupportedVersions(
                            [
                                TLSv1_3,
                                TLSv1_2,
                            ],
                        ),
                        ECPointFormats(
                            [
                                Uncompressed,
                            ],
                        ),
                        NamedGroups(
                            [
                                X25519,
                                secp256r1,
                                secp384r1,
                            ],
                        ),
                        SignatureAlgorithms(
                            [
                                ECDSA_NISTP384_SHA384,
                                ECDSA_NISTP256_SHA256,
                                ED25519,
                                RSA_PSS_SHA512,
                                RSA_PSS_SHA384,
                                RSA_PSS_SHA256,
                                RSA_PKCS1_SHA512,
                                RSA_PKCS1_SHA384,
                                RSA_PKCS1_SHA256,
                            ],
                        ),
                        ExtendedMasterSecretRequest,
                        CertificateStatusRequest(
                            OCSP(
                                OCSPCertificateStatusRequest {
                                    responder_ids: [],
                                    extensions: ,
                                },
                            ),
                        ),
                        ServerName(
                            [
                                ServerName {
                                    typ: HostName,
                                    payload: HostName(
                                        DnsName(
                                            "transcribestreaming.us-east-1.amazonaws.com",
                                        ),
                                    ),
                                },
                            ],
                        ),
                        SignedCertificateTimestampRequest,
                        KeyShare(
                            [
                                KeyShareEntry {
                                    group: X25519,
                                    payload: 2f3b94cd0cd103f86d42e9cb3e19057ba5a1133144268107b7f4a7872c226807,
                                },
                            ],
                        ),
                        PresharedKeyModes(
                            [
                                PSK_DHE_KE,
                            ],
                        ),
                        Protocols(
                            [
                                ProtocolName(
                                    6832,
                                ),
                                ProtocolName(
                                    687474702f312e31,
                                ),
                            ],
                        ),
                        SessionTicket(
                            Request,
                        ),
                    ],
                },
            ),
        },
        encoded: 0100011703037b175f9b1a51e968069c9554e33706dd7b0de43a546fbf3e8e2867de27b8fb4820f7de3af3511e104460452243ef41ffa8b4b907277887c8de0d2712aa61d21525001013021301c02cc02bc030c02fcca800ff010000be002b00050403040303000b00020100000a00080006001d00170018000d001400120503040308070806080508040601050104010017000000050005010000000000000030002e00002b7472616e73637269626573747265616d696e672e75732d656173742d312e616d617a6f6e6177732e636f6d00120000003300260024001d00202f3b94cd0cd103f86d42e9cb3e19057ba5a1133144268107b7f4a7872c226807002d000201010010000e000c02683208687474702f312e3100230000,
    },
}
2026-01-27T22:18:56.377756Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}: rustls::client::hs: Got HRR HelloRetryRequest { legacy_version: TLSv1_2, session_id: f7de3af3511e104460452243ef41ffa8b4b907277887c8de0d2712aa61d21525, cipher_suite: TLS13_AES_128_GCM_SHA256, extensions: [SupportedVersions(TLSv1_3), KeyShare(secp256r1)] }
2026-01-27T22:18:56.377834Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}: rustls::client::hs: Sending ClientHello Message {
    version: TLSv1_2,
    payload: Handshake {
        parsed: HandshakeMessagePayload {
            typ: ClientHello,
            payload: ClientHello(
                ClientHelloPayload {
                    client_version: TLSv1_2,
                    random: 7b175f9b1a51e968069c9554e33706dd7b0de43a546fbf3e8e2867de27b8fb48,
                    session_id: f7de3af3511e104460452243ef41ffa8b4b907277887c8de0d2712aa61d21525,
                    cipher_suites: [
                        TLS13_AES_256_GCM_SHA384,
                        TLS13_AES_128_GCM_SHA256,
                        TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,
                        TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
                        TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,
                        TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
                        TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256,
                        TLS_EMPTY_RENEGOTIATION_INFO_SCSV,
                    ],
                    compression_methods: [
                        Null,
                    ],
                    extensions: [
                        SupportedVersions(
                            [
                                TLSv1_3,
                                TLSv1_2,
                            ],
                        ),
                        ECPointFormats(
                            [
                                Uncompressed,
                            ],
                        ),
                        NamedGroups(
                            [
                                X25519,
                                secp256r1,
                                secp384r1,
                            ],
                        ),
                        SignatureAlgorithms(
                            [
                                ECDSA_NISTP384_SHA384,
                                ECDSA_NISTP256_SHA256,
                                ED25519,
                                RSA_PSS_SHA512,
                                RSA_PSS_SHA384,
                                RSA_PSS_SHA256,
                                RSA_PKCS1_SHA512,
                                RSA_PKCS1_SHA384,
                                RSA_PKCS1_SHA256,
                            ],
                        ),
                        ExtendedMasterSecretRequest,
                        CertificateStatusRequest(
                            OCSP(
                                OCSPCertificateStatusRequest {
                                    responder_ids: [],
                                    extensions: ,
                                },
                            ),
                        ),
                        ServerName(
                            [
                                ServerName {
                                    typ: HostName,
                                    payload: HostName(
                                        DnsName(
                                            "transcribestreaming.us-east-1.amazonaws.com",
                                        ),
                                    ),
                                },
                            ],
                        ),
                        SignedCertificateTimestampRequest,
                        KeyShare(
                            [
                                KeyShareEntry {
                                    group: secp256r1,
                                    payload: 0490f9c5366aba5d1f152e43e06523bb8be97bff408b1a465afabd5e2647d5a91fb500f2e99da24352906776f6551859ef691575b6900502831761ac0c2fb51343,
                                },
                            ],
                        ),
                        PresharedKeyModes(
                            [
                                PSK_DHE_KE,
                            ],
                        ),
                        Protocols(
                            [
                                ProtocolName(
                                    6832,
                                ),
                                ProtocolName(
                                    687474702f312e31,
                                ),
                            ],
                        ),
                        SessionTicket(
                            Request,
                        ),
                    ],
                },
            ),
        },
        encoded: 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,
    },
}
2026-01-27T22:18:56.378006Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}: rustls::conn: Dropping CCS
2026-01-27T22:18:56.695749Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}: rustls::client::hs: We got ServerHello ServerHelloPayload {
    legacy_version: TLSv1_2,
    random: 518ffb05656eb61c95c073bb8290fceefe8807e3100d6fbdc32d70f3a0e2ddab,
    session_id: f7de3af3511e104460452243ef41ffa8b4b907277887c8de0d2712aa61d21525,
    cipher_suite: TLS13_AES_128_GCM_SHA256,
    compression_method: Null,
    extensions: [
        SupportedVersions(
            TLSv1_3,
        ),
        KeyShare(
            KeyShareEntry {
                group: secp256r1,
                payload: 0472c0becb29f053b453da80ab5b115b2107ed3b52cbac382a78c21a17a5b7e5d60c28d97dbbebfe4ff6b7be45c18959116a0de27674ebba62eddc6f9b503fd152,
            },
        ),
    ],
}
2026-01-27T22:18:56.695789Z DEBUG Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}: rustls::client::hs: Using ciphersuite TLS13_AES_128_GCM_SHA256
2026-01-27T22:18:56.695797Z DEBUG Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}: rustls::client::tls13: Not resuming
2026-01-27T22:18:56.695801Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}: rustls::client::client_conn: EarlyData rejected
2026-01-27T22:18:56.695850Z DEBUG Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}: rustls::client::tls13: TLS1.3 encrypted extensions: [ServerNameAck, Protocols([ProtocolName(6832)])]
2026-01-27T22:18:56.695857Z DEBUG Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}: rustls::client::hs: ALPN protocol is Some(b"h2")
2026-01-27T22:18:56.695880Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}: rustls::client::tls13: Server cert is [Certificate(b"0\x82\x06T0\x82\x05<\xa0\x03\x02\x01\x02\x02\x10\x02\x82\x17UH\xab\xb8x\xd4\xee\x9f\xc9\xcb\xb8\xb2@0\r\x06\t*\x86H\x86\xf7\r\x01\x01\x0b\x05\00<1\x0b0\t\x06\x03U\x04\x06\x13\x02US1\x0f0\r\x06\x03U\x04\n\x13\x06Amazon1\x1c0\x1a\x06\x03U\x04\x03\x13\x13Amazon RSA 2048 M010\x1e\x17\r251027000000Z\x17\r261018235959Z061402\x06\x03U\x04\x03\x13+transcribestreaming.us-east-1.amazonaws.com0\x82\x01\"0\r\x06\t*\x86H\x86\xf7\r\x01\x01\x01\x05\0\x03\x82\x01\x0f\00\x82\x01\n\x02\x82\x01\x01\0\xba\xf6\xc2j\x95\xad\xbe\xa4\x1e\xca!4\xe0.;\xa4\xff\xdd\x92\xf5h\x88\x11y\x0c\xc7\x9fA(e/\x91\xce\x03\x8b:\xe9\xf5\x81\xce\x18\xb2\xc9\xac\x13V\x03\xd0]4\x95\xe2\xe4\xa3<\xfe:\xe0;\xb7U\xfbW\xdd\xa7+Z\x0c\xc7d\"B\"Q_n\xc9A\x19\x07\x12\x94R]\xdc\xe4\x92J\xb8\x1f\x97*\xf6\x15G\0b\x9aa\x1a}}S_\x82c\x07\xc8m\x1c\x03\0\xea\x93\xcfo\xe0\xfaT&\xd1\x1eY\xbeTr'\xf2\xcfZ|1\x10>#\xeb92\xc2\xd2\x86f\xbe\xb2G \x94\xd1q\\ 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2026-01-27T22:18:56.696099Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}: hyper::client::client: ALPN negotiated h2, updating pool
2026-01-27T22:18:56.696114Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}: hyper::client::conn: client handshake Http2
2026-01-27T22:18:56.696127Z DEBUG Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}: h2::client: binding client connection
2026-01-27T22:18:56.696132Z DEBUG Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}: h2::client: client connection bound
2026-01-27T22:18:56.696153Z DEBUG Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:FramedWrite::buffer{frame=Settings { flags: (0x0), enable_push: 0, initial_window_size: 2097152, max_frame_size: 16384 }}: h2::codec::framed_write: send frame=Settings { flags: (0x0), enable_push: 0, initial_window_size: 2097152, max_frame_size: 16384 }
2026-01-27T22:18:56.696158Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:FramedWrite::buffer{frame=Settings { flags: (0x0), enable_push: 0, initial_window_size: 2097152, max_frame_size: 16384 }}: h2::frame::settings: encoding SETTINGS; len=18
2026-01-27T22:18:56.697262Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:FramedWrite::buffer{frame=Settings { flags: (0x0), enable_push: 0, initial_window_size: 2097152, max_frame_size: 16384 }}: h2::frame::settings: encoding setting; val=EnablePush(0)
2026-01-27T22:18:56.697267Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:FramedWrite::buffer{frame=Settings { flags: (0x0), enable_push: 0, initial_window_size: 2097152, max_frame_size: 16384 }}: h2::frame::settings: encoding setting; val=InitialWindowSize(2097152)
2026-01-27T22:18:56.697270Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:FramedWrite::buffer{frame=Settings { flags: (0x0), enable_push: 0, initial_window_size: 2097152, max_frame_size: 16384 }}: h2::frame::settings: encoding setting; val=MaxFrameSize(16384)
2026-01-27T22:18:56.697273Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:FramedWrite::buffer{frame=Settings { flags: (0x0), enable_push: 0, initial_window_size: 2097152, max_frame_size: 16384 }}: h2::codec::framed_write: encoded settings rem=27
2026-01-27T22:18:56.697282Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}: h2::proto::streams::flow_control: inc_window; sz=65535; old=0; new=65535
2026-01-27T22:18:56.697287Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}: h2::proto::streams::flow_control: inc_window; sz=65535; old=0; new=65535
2026-01-27T22:18:56.697290Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}: h2::proto::streams::prioritize: Prioritize::new; flow=FlowControl { window_size: Window(65535), available: Window(65535) }
2026-01-27T22:18:56.697299Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}: h2::proto::streams::recv: set_target_connection_window; target=5242880; available=65535, reserved=0
2026-01-27T22:18:56.697316Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}: hyper::client::client: handshake complete, spawning background dispatcher task
2026-01-27T22:18:56.697362Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}: hyper::client::pool: put; add idle connection for ("https", transcribestreaming.us-east-1.amazonaws.com)
2026-01-27T22:18:56.697371Z DEBUG Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}: hyper::client::pool: pooling idle connection for ("https", transcribestreaming.us-east-1.amazonaws.com)
2026-01-27T22:18:56.697381Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}: hyper::client::pool: checkout dropped for ("https", transcribestreaming.us-east-1.amazonaws.com)
2026-01-27T22:18:56.697386Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll: h2::proto::connection: connection.state=Open
2026-01-27T22:18:56.697405Z TRACE h2::proto::streams::flow_control: inc_window; sz=2097152; old=0; new=2097152
2026-01-27T22:18:56.697416Z TRACE h2::proto::streams::flow_control: inc_window; sz=65535; old=0; new=65535
2026-01-27T22:18:56.697427Z TRACE h2::proto::streams::send: send_headers; frame=Headers { stream_id: StreamId(1), flags: (0x4: END_HEADERS) }; init_window=65535
2026-01-27T22:18:56.697433Z TRACE h2::proto::streams::store: Queue::push_back
2026-01-27T22:18:56.697436Z TRACE h2::proto::streams::store:  -> first entry
2026-01-27T22:18:56.697457Z TRACE reserve_capacity{stream.id=StreamId(1) requested=1 effective=1 curr=0}:try_assign_capacity{stream.id=StreamId(1)}: h2::proto::streams::prioritize: requested=1 additional=1 buffered=0 window=65535 conn=65535
2026-01-27T22:18:56.697463Z TRACE reserve_capacity{stream.id=StreamId(1) requested=1 effective=1 curr=0}:try_assign_capacity{stream.id=StreamId(1)}: h2::proto::streams::prioritize: assigning capacity=1
2026-01-27T22:18:56.697466Z TRACE reserve_capacity{stream.id=StreamId(1) requested=1 effective=1 curr=0}:try_assign_capacity{stream.id=StreamId(1)}: h2::proto::streams::stream:   assigned capacity to stream; available=1; buffered=0; id=StreamId(1); max_buffer_size=1048576 prev=0
2026-01-27T22:18:56.697470Z TRACE reserve_capacity{stream.id=StreamId(1) requested=1 effective=1 curr=0}:try_assign_capacity{stream.id=StreamId(1)}: h2::proto::streams::stream:   notifying task
2026-01-27T22:18:56.697473Z TRACE reserve_capacity{stream.id=StreamId(1) requested=1 effective=1 curr=0}:try_assign_capacity{stream.id=StreamId(1)}: h2::proto::streams::prioritize: available=1 requested=1 buffered=0 has_unavailable=true
2026-01-27T22:18:56.697494Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:FramedRead::poll_next: h2::codec::framed_read: poll
2026-01-27T22:18:56.697517Z DEBUG Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:FramedWrite::buffer{frame=WindowUpdate { stream_id: StreamId(0), size_increment: 5177345 }}: h2::codec::framed_write: send frame=WindowUpdate { stream_id: StreamId(0), size_increment: 5177345 }
2026-01-27T22:18:56.697526Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:FramedWrite::buffer{frame=WindowUpdate { stream_id: StreamId(0), size_increment: 5177345 }}: h2::frame::window_update: encoding WINDOW_UPDATE; id=StreamId(0)
2026-01-27T22:18:56.697534Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:FramedWrite::buffer{frame=WindowUpdate { stream_id: StreamId(0), size_increment: 5177345 }}: h2::codec::framed_write: encoded window_update rem=40
2026-01-27T22:18:56.697543Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll: h2::proto::streams::flow_control: inc_window; sz=5177345; old=65535; new=5242880
2026-01-27T22:18:56.697552Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll: h2::proto::streams::prioritize: poll_complete
2026-01-27T22:18:56.697558Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll: h2::proto::streams::prioritize: schedule_pending_open
2026-01-27T22:18:56.697564Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll: h2::proto::streams::prioritize: schedule_pending_open; stream=StreamId(1)
2026-01-27T22:18:56.697573Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll: h2::proto::streams::store: Queue::push_front
2026-01-27T22:18:56.697578Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll: h2::proto::streams::store:  -> first entry
2026-01-27T22:18:56.697586Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:try_assign_capacity{stream.id=StreamId(1)}: h2::proto::streams::prioritize: requested=1 additional=0 buffered=0 window=65535 conn=65534
2026-01-27T22:18:56.697600Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:pop_frame:popped{stream.id=StreamId(1) stream.state=State { inner: Open { local: Streaming, remote: AwaitingHeaders } }}: h2::proto::streams::prioritize: is_pending_reset=false
2026-01-27T22:18:56.697608Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:pop_frame:popped{stream.id=StreamId(1) stream.state=State { inner: Open { local: Streaming, remote: AwaitingHeaders } }}: h2::proto::streams::prioritize: pop_frame; frame=Headers { stream_id: StreamId(1), flags: (0x4: END_HEADERS) }
2026-01-27T22:18:56.697618Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:pop_frame:popped{stream.id=StreamId(1) stream.state=State { inner: Open { local: Streaming, remote: AwaitingHeaders } }}: h2::proto::streams::counts: transition_after; stream=StreamId(1); state=State { inner: Open { local: Streaming, remote: AwaitingHeaders } }; is_closed=false; pending_send_empty=true; buffered_send_data=0; num_recv=0; num_send=1
2026-01-27T22:18:56.697628Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll: h2::proto::streams::prioritize: writing frame=Headers { stream_id: StreamId(1), flags: (0x4: END_HEADERS) }
2026-01-27T22:18:56.697635Z DEBUG Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:FramedWrite::buffer{frame=Headers { stream_id: StreamId(1), flags: (0x4: END_HEADERS) }}: h2::codec::framed_write: send frame=Headers { stream_id: StreamId(1), flags: (0x4: END_HEADERS) }
2026-01-27T22:18:56.697674Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll: h2::proto::streams::prioritize: schedule_pending_open
2026-01-27T22:18:56.697681Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:FramedWrite::flush: h2::codec::framed_write: queued_data_frame=false
2026-01-27T22:18:56.697706Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:FramedWrite::flush: h2::codec::framed_write: flushing buffer
2026-01-27T22:18:56.698547Z TRACE hyper::client::pool: idle interval checking for expired
2026-01-27T22:18:57.186177Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll: h2::proto::connection: connection.state=Open
2026-01-27T22:18:57.186194Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:FramedRead::poll_next: h2::codec::framed_read: poll
2026-01-27T22:18:57.186210Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:FramedRead::poll_next: h2::codec::framed_read: read.bytes=27
2026-01-27T22:18:57.186217Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:FramedRead::poll_next:FramedRead::decode_frame{offset=27}: h2::codec::framed_read: decoding frame from 27B
2026-01-27T22:18:57.186222Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:FramedRead::poll_next:FramedRead::decode_frame{offset=27}: h2::codec::framed_read: frame.kind=Settings
2026-01-27T22:18:57.186228Z DEBUG Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:FramedRead::poll_next: h2::codec::framed_read: received frame=Settings { flags: (0x0), max_concurrent_streams: 1, initial_window_size: 1048576, max_header_list_size: 16384 }
2026-01-27T22:18:57.186236Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll: h2::proto::connection: recv SETTINGS frame=Settings { flags: (0x0), max_concurrent_streams: 1, initial_window_size: 1048576, max_header_list_size: 16384 }
2026-01-27T22:18:57.186243Z DEBUG Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:poll_ready:FramedWrite::buffer{frame=Settings { flags: (0x1: ACK) }}: h2::codec::framed_write: send frame=Settings { flags: (0x1: ACK) }
2026-01-27T22:18:57.186248Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:poll_ready:FramedWrite::buffer{frame=Settings { flags: (0x1: ACK) }}: h2::frame::settings: encoding SETTINGS; len=0
2026-01-27T22:18:57.186253Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:poll_ready:FramedWrite::buffer{frame=Settings { flags: (0x1: ACK) }}: h2::codec::framed_write: encoded settings rem=9
2026-01-27T22:18:57.186258Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:poll_ready: h2::proto::settings: ACK sent; applying settings
2026-01-27T22:18:57.186267Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:poll_ready:recv_stream_window_update{stream.id=StreamId(1) stream.state=State { inner: Open { local: Streaming, remote: AwaitingHeaders } } inc=983041 flow=FlowControl { window_size: Window(65535), available: Window(1) }}: h2::proto::streams::flow_control: inc_window; sz=983041; old=65535; new=1048576
2026-01-27T22:18:57.186277Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:poll_ready:recv_stream_window_update{stream.id=StreamId(1) stream.state=State { inner: Open { local: Streaming, remote: AwaitingHeaders } } inc=983041 flow=FlowControl { window_size: Window(65535), available: Window(1) }}:try_assign_capacity{stream.id=StreamId(1)}: h2::proto::streams::prioritize: requested=1 additional=0 buffered=0 window=1048576 conn=65534
2026-01-27T22:18:57.186285Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:FramedRead::poll_next: h2::codec::framed_read: poll
2026-01-27T22:18:57.186288Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:FramedRead::poll_next: h2::codec::framed_read: read.bytes=13
2026-01-27T22:18:57.186293Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:FramedRead::poll_next:FramedRead::decode_frame{offset=13}: h2::codec::framed_read: decoding frame from 13B
2026-01-27T22:18:57.186296Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:FramedRead::poll_next:FramedRead::decode_frame{offset=13}: h2::codec::framed_read: frame.kind=WindowUpdate
2026-01-27T22:18:57.186301Z DEBUG Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:FramedRead::poll_next: h2::codec::framed_read: received frame=WindowUpdate { stream_id: StreamId(0), size_increment: 1966082 }
2026-01-27T22:18:57.186306Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll: h2::proto::connection: recv WINDOW_UPDATE frame=WindowUpdate { stream_id: StreamId(0), size_increment: 1966082 }
2026-01-27T22:18:57.186310Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll: h2::proto::streams::flow_control: inc_window; sz=1966082; old=65535; new=2031617
2026-01-27T22:18:57.186317Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:FramedRead::poll_next: h2::codec::framed_read: poll
2026-01-27T22:18:57.186320Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:FramedRead::poll_next: h2::codec::framed_read: read.bytes=9
2026-01-27T22:18:57.186324Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:FramedRead::poll_next:FramedRead::decode_frame{offset=9}: h2::codec::framed_read: decoding frame from 9B
2026-01-27T22:18:57.186328Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:FramedRead::poll_next:FramedRead::decode_frame{offset=9}: h2::codec::framed_read: frame.kind=Settings
2026-01-27T22:18:57.186332Z DEBUG Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:FramedRead::poll_next: h2::codec::framed_read: received frame=Settings { flags: (0x1: ACK) }
2026-01-27T22:18:57.186336Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll: h2::proto::connection: recv SETTINGS frame=Settings { flags: (0x1: ACK) }
2026-01-27T22:18:57.186340Z DEBUG Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll: h2::proto::settings: received settings ACK; applying Settings { flags: (0x0), enable_push: 0, initial_window_size: 2097152, max_frame_size: 16384 }
2026-01-27T22:18:57.186345Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll: h2::proto::streams::recv: update_initial_window_size; new=2097152; old=2097152
2026-01-27T22:18:57.186350Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:FramedRead::poll_next: h2::codec::framed_read: poll
2026-01-27T22:18:57.186356Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll: h2::proto::streams::prioritize: poll_complete
2026-01-27T22:18:57.186359Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll: h2::proto::streams::prioritize: schedule_pending_open
2026-01-27T22:18:57.186365Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:FramedWrite::flush: h2::codec::framed_write: queued_data_frame=false
2026-01-27T22:18:57.186383Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:FramedWrite::flush: h2::codec::framed_write: flushing buffer
2026-01-27T22:18:57.554388Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll: h2::proto::connection: connection.state=Open
2026-01-27T22:18:57.554403Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:FramedRead::poll_next: h2::codec::framed_read: poll
2026-01-27T22:18:57.554415Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:FramedRead::poll_next: h2::codec::framed_read: read.bytes=625
2026-01-27T22:18:57.554422Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:FramedRead::poll_next:FramedRead::decode_frame{offset=625}: h2::codec::framed_read: decoding frame from 625B
2026-01-27T22:18:57.554427Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:FramedRead::poll_next:FramedRead::decode_frame{offset=625}: h2::codec::framed_read: frame.kind=Headers
2026-01-27T22:18:57.554432Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:FramedRead::poll_next:FramedRead::decode_frame{offset=625}: h2::frame::headers: loading headers; flags=(0x4: END_HEADERS)
2026-01-27T22:18:57.554444Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:FramedRead::poll_next:FramedRead::decode_frame{offset=625}:hpack::decode: h2::hpack::decoder: decode
2026-01-27T22:18:57.554449Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:FramedRead::poll_next:FramedRead::decode_frame{offset=625}:hpack::decode: h2::hpack::decoder: rem=616 kind=Indexed
2026-01-27T22:18:57.554456Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:FramedRead::poll_next:FramedRead::decode_frame{offset=625}:hpack::decode: h2::hpack::decoder: rem=615 kind=LiteralWithIndexing
2026-01-27T22:18:57.554466Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:FramedRead::poll_next:FramedRead::decode_frame{offset=625}:hpack::decode: h2::hpack::decoder: rem=560 kind=LiteralWithIndexing
2026-01-27T22:18:57.554471Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:FramedRead::poll_next:FramedRead::decode_frame{offset=625}:hpack::decode: h2::hpack::decoder: rem=505 kind=LiteralWithIndexing
2026-01-27T22:18:57.554476Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:FramedRead::poll_next:FramedRead::decode_frame{offset=625}:hpack::decode: h2::hpack::decoder: rem=466 kind=LiteralWithIndexing
2026-01-27T22:18:57.554480Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:FramedRead::poll_next:FramedRead::decode_frame{offset=625}:hpack::decode: h2::hpack::decoder: rem=429 kind=LiteralWithIndexing
2026-01-27T22:18:57.554485Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:FramedRead::poll_next:FramedRead::decode_frame{offset=625}:hpack::decode: h2::hpack::decoder: rem=373 kind=LiteralWithIndexing
2026-01-27T22:18:57.554489Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:FramedRead::poll_next:FramedRead::decode_frame{offset=625}:hpack::decode: h2::hpack::decoder: rem=312 kind=LiteralWithIndexing
2026-01-27T22:18:57.554494Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:FramedRead::poll_next:FramedRead::decode_frame{offset=625}:hpack::decode: h2::hpack::decoder: rem=245 kind=LiteralWithIndexing
2026-01-27T22:18:57.554499Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:FramedRead::poll_next:FramedRead::decode_frame{offset=625}:hpack::decode: h2::hpack::decoder: rem=201 kind=LiteralWithIndexing
2026-01-27T22:18:57.554505Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:FramedRead::poll_next:FramedRead::decode_frame{offset=625}:hpack::decode: h2::hpack::decoder: rem=158 kind=LiteralWithIndexing
2026-01-27T22:18:57.554510Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:FramedRead::poll_next:FramedRead::decode_frame{offset=625}:hpack::decode: h2::hpack::decoder: rem=120 kind=LiteralWithIndexing
2026-01-27T22:18:57.554515Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:FramedRead::poll_next:FramedRead::decode_frame{offset=625}:hpack::decode: h2::hpack::decoder: rem=67 kind=LiteralWithIndexing
2026-01-27T22:18:57.554520Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:FramedRead::poll_next:FramedRead::decode_frame{offset=625}:hpack::decode: h2::hpack::decoder: rem=36 kind=LiteralWithIndexing
2026-01-27T22:18:57.554527Z DEBUG Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:FramedRead::poll_next: h2::codec::framed_read: received frame=Headers { stream_id: StreamId(1), flags: (0x4: END_HEADERS) }
2026-01-27T22:18:57.554533Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll: h2::proto::connection: recv HEADERS frame=Headers { stream_id: StreamId(1), flags: (0x4: END_HEADERS) }
2026-01-27T22:18:57.554540Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll: h2::proto::streams::streams: recv_headers; stream=StreamId(1); state=State { inner: Open { local: Streaming, remote: AwaitingHeaders } }
2026-01-27T22:18:57.554546Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll: h2::proto::streams::recv: opening stream; init_window=2097152
2026-01-27T22:18:57.554553Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll: h2::proto::streams::counts: transition_after; stream=StreamId(1); state=State { inner: Open { local: Streaming, remote: Streaming } }; is_closed=false; pending_send_empty=true; buffered_send_data=0; num_recv=0; num_send=1
2026-01-27T22:18:57.554559Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:FramedRead::poll_next: h2::codec::framed_read: poll
2026-01-27T22:18:57.554565Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll: h2::proto::streams::prioritize: poll_complete
2026-01-27T22:18:57.554569Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll: h2::proto::streams::prioritize: schedule_pending_open
2026-01-27T22:18:57.554573Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:FramedWrite::flush: h2::codec::framed_write: flushing buffer
2026-01-27T22:18:57.554580Z TRACE h2::proto::streams::streams: drop_stream_ref; stream=Stream { id: StreamId(1), state: State { inner: Open { local: Streaming, remote: Streaming } }, is_counted: true, ref_count: 3, next_pending_send: None, is_pending_send: false, send_flow: FlowControl { window_size: Window(1048576), available: Window(1) }, requested_send_capacity: 1, buffered_send_data: 0, send_task: Some(Waker { data: 0x7f09b4002b80, vtable: 0x55bef59f1cd8 }), pending_send: Deque { indices: None }, next_pending_send_capacity: None, is_pending_send_capacity: false, send_capacity_inc: true, next_open: None, is_pending_open: false, is_pending_push: false, next_pending_accept: None, is_pending_accept: false, recv_flow: FlowControl { window_size: Window(2097152), available: Window(2097152) }, in_flight_recv_data: 0, next_window_update: None, is_pending_window_update: false, reset_at: None, next_reset_expire: None, pending_recv: Deque { indices: None }, is_recv: true, recv_task: None, pending_push_promises: Queue { indices: None, _p: PhantomData<h2::proto::streams::stream::NextAccept> }, content_length: Omitted }
2026-01-27T22:18:57.556713Z TRACE h2::proto::streams::counts: transition_after; stream=StreamId(1); state=State { inner: Open { local: Streaming, remote: Streaming } }; is_closed=false; pending_send_empty=true; buffered_send_data=0; num_recv=0; num_send=1
2026-01-27T22:18:57.556770Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}: aws_smithy_runtime::client::orchestrator: received response from service response=Response { status: StatusCode(200), headers: Headers { headers: {"x-amzn-requestid": HeaderValue { _private: H0("4c0128eb-7923-4a2e-aba6-ff1be5eb22d6") }, "x-amzn-transcribe-enable-channel-identification": HeaderValue { _private: H0("false") }, "x-amzn-transcribe-language-code": HeaderValue { _private: H0("en-US") }, "x-amzn-transcribe-sample-rate": HeaderValue { _private: H0("48000") }, "x-amzn-request-id": HeaderValue { _private: H0("4c0128eb-7923-4a2e-aba6-ff1be5eb22d6") }, "x-amzn-transcribe-enable-partial-results-stabilization": HeaderValue { _private: H0("true") }, "x-amzn-transcribe-session-id": HeaderValue { _private: H0("3d15905e-106d-4478-8e48-77a49178fd95") }, "x-amzn-transcribe-show-speaker-label": HeaderValue { _private: H0("false") }, "x-amzn-transcribe-identify-language": HeaderValue { _private: H0("false") }, "x-amzn-transcribe-media-encoding": HeaderValue { _private: H0("pcm") }, "x-amzn-transcribe-identify-multiple-languages": HeaderValue { _private: H0("false") }, "date": HeaderValue { _private: H0("Tue, 27 Jan 2026 22:18:57 GMT") }, "content-type": HeaderValue { _private: H0("application/vnd.amazon.eventstream") }} }, body: SdkBody { inner: BoxBody, retryable: false }, extensions: Extensions { extensions_02x: Extensions, extensions_1x: {} } }
2026-01-27T22:18:57.556801Z DEBUG Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}: aws_smithy_runtime_api::client::interceptors::context: entering 'before deserialization' phase
2026-01-27T22:18:57.556809Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}: aws_smithy_runtime::client::interceptors: running `read_after_transmit` interceptors
2026-01-27T22:18:57.556829Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}: aws_smithy_runtime::client::interceptors: running `modify_before_deserialization` interceptors
2026-01-27T22:18:57.556846Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}: aws_smithy_runtime::client::interceptors: running `read_before_deserialization` interceptors
2026-01-27T22:18:57.556854Z DEBUG Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}: aws_smithy_runtime_api::client::interceptors::context: entering 'deserialization' phase
2026-01-27T22:18:57.556868Z DEBUG Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:deserialization:deserialize_streaming: aws_sdk_transcribestreaming::operation::start_stream_transcription: request_id=Some("4c0128eb-7923-4a2e-aba6-ff1be5eb22d6")
2026-01-27T22:18:57.556904Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}: aws_smithy_runtime::client::orchestrator: output_or_error=Ok(Output(TypeErasedBox[!Clone]:StartStreamTranscriptionOutput { request_id: Some("4c0128eb-7923-4a2e-aba6-ff1be5eb22d6"), language_code: Some(EnUs), media_sample_rate_hertz: Some(48000), media_encoding: Some(Pcm), vocabulary_name: None, session_id: Some("3d15905e-106d-4478-8e48-77a49178fd95"), transcript_result_stream: EventReceiver { inner: Receiver { unmarshaller: TranscriptResultStreamUnmarshaller, decoder: MessageFrameDecoder { prelude: [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], prelude_read: false }, buffer: Empty, body: SdkBody { inner: BoxBody, retryable: false }, buffered_message: None, _phantom: PhantomData<aws_sdk_transcribestreaming::types::error::TranscriptResultStreamError> } }, vocabulary_filter_name: None, vocabulary_filter_method: None, show_speaker_label: false, enable_channel_identification: false, number_of_channels: None, enable_partial_results_stabilization: true, partial_results_stability: None, content_identification_type: None, content_redaction_type: None, pii_entity_types: None, language_model_name: None, identify_language: false, language_options: None, preferred_language: None, identify_multiple_languages: false, vocabulary_names: None, vocabulary_filter_names: None, _request_id: Some("4c0128eb-7923-4a2e-aba6-ff1be5eb22d6") }))
2026-01-27T22:18:57.556921Z DEBUG Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}: aws_smithy_runtime_api::client::interceptors::context: entering 'after deserialization' phase
2026-01-27T22:18:57.556927Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}: aws_smithy_runtime::client::interceptors: running `read_after_deserialization` interceptors
2026-01-27T22:18:57.556944Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:finally_attempt{attempt=1}: aws_smithy_runtime::client::interceptors: running `modify_before_attempt_completion` interceptors
2026-01-27T22:18:57.556963Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:finally_attempt{attempt=1}: aws_smithy_runtime::client::interceptors: running `read_after_attempt` interceptors
2026-01-27T22:18:57.556983Z DEBUG Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op: aws_smithy_runtime::client::retries::strategy::standard: attempt #1 classified as NoActionIndicated, not retrying
2026-01-27T22:18:57.556989Z DEBUG Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op: aws_smithy_runtime::client::orchestrator: a retry is either unnecessary or not possible, exiting attempt loop
2026-01-27T22:18:57.556996Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:finally_op: aws_smithy_runtime::client::interceptors: running `modify_before_completion` interceptors
2026-01-27T22:18:57.557004Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:finally_op: aws_smithy_runtime::client::interceptors: running `read_after_execution` interceptors
2026-01-27T22:19:13.405338Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll: h2::proto::connection: connection.state=Open
2026-01-27T22:19:13.405376Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:FramedRead::poll_next: h2::codec::framed_read: poll
2026-01-27T22:19:13.405409Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:FramedRead::poll_next: h2::codec::framed_read: read.bytes=208
2026-01-27T22:19:13.405418Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:FramedRead::poll_next:FramedRead::decode_frame{offset=208}: h2::codec::framed_read: decoding frame from 208B
2026-01-27T22:19:13.405425Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:FramedRead::poll_next:FramedRead::decode_frame{offset=208}: h2::codec::framed_read: frame.kind=Data
2026-01-27T22:19:13.405433Z DEBUG Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:FramedRead::poll_next: h2::codec::framed_read: received frame=Data { stream_id: StreamId(1), flags: (0x1: END_STREAM) }
2026-01-27T22:19:13.405444Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll: h2::proto::connection: recv DATA frame=Data { stream_id: StreamId(1), flags: (0x1: END_STREAM) }
2026-01-27T22:19:13.405454Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll: h2::proto::streams::recv: recv_data; size=199; connection=5242880; stream=2097152
2026-01-27T22:19:13.405461Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll: h2::proto::streams::flow_control: send_data; sz=199; window=5242880; available=5242880
2026-01-27T22:19:13.405467Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll: h2::proto::streams::state: recv_close: Open => HalfClosedRemote(Streaming)
2026-01-27T22:19:13.405473Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll: h2::proto::streams::flow_control: send_data; sz=199; window=2097152; available=2097152
2026-01-27T22:19:13.405483Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll: h2::proto::streams::counts: transition_after; stream=StreamId(1); state=State { inner: HalfClosedRemote(Streaming) }; is_closed=false; pending_send_empty=true; buffered_send_data=0; num_recv=0; num_send=1
2026-01-27T22:19:13.405493Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:FramedRead::poll_next: h2::codec::framed_read: poll
2026-01-27T22:19:13.405498Z TRACE h2::proto::streams::recv: release_capacity; size=199
2026-01-27T22:19:13.405506Z TRACE h2::proto::streams::recv: release_connection_capacity; size=199, connection in_flight_data=199
2026-01-27T22:19:13.405517Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll: h2::proto::streams::prioritize: poll_complete
2026-01-27T22:19:13.405522Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll: h2::proto::streams::prioritize: schedule_pending_open
2026-01-27T22:19:13.405530Z TRACE Transcribe Streaming.StartStreamTranscription{rpc.service="Transcribe Streaming" rpc.method="StartStreamTranscription" sdk_invocation_id=3565677 rpc.system="aws-api"}:try_op:try_attempt{attempt=1}:Connection{peer=Client}:poll:FramedWrite::flush: h2::codec::framed_write: flushing buffer
2026-01-27T22:19:13.405527Z TRACE aws_smithy_http::event_stream::receiver: received complete event stream message Message { headers: [Header { name: StrBytes { bytes: b":exception-type" }, value: String(StrBytes { bytes: b"BadRequestException" }) }, Header { name: StrBytes { bytes: b":content-type" }, value: String(StrBytes { bytes: b"application/json" }) }, Header { name: StrBytes { bytes: b":message-type" }, value: String(StrBytes { bytes: b"exception" }) }], payload: b"{\"Message\":\"Your request timed out because no new audio was received for 15 seconds.\"}" }
Output: Ok(StartStreamTranscriptionOutput { request_id: Some("4c0128eb-7923-4a2e-aba6-ff1be5eb22d6"), language_code: Some(EnUs), media_sample_rate_hertz: Some(48000), media_encoding: Some(Pcm), vocabulary_name: None, session_id: Some("3d15905e-106d-4478-8e48-77a49178fd95"), transcript_result_stream: EventReceiver { inner: Receiver { unmarshaller: TranscriptResultStreamUnmarshaller, decoder: MessageFrameDecoder { prelude: [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], prelude_read: false }, buffer: Partial(SegmentedBuf { bufs: [], remaining: 0 }), body: SdkBody { inner: BoxBody, retryable: false }, buffered_message: Some(Message { headers: [Header { name: StrBytes { bytes: b":exception-type" }, value: String(StrBytes { bytes: b"BadRequestException" }) }, Header { name: StrBytes { bytes: b":content-type" }, value: String(StrBytes { bytes: b"application/json" }) }, Header { name: StrBytes { bytes: b":message-type" }, value: String(StrBytes { bytes: b"exception" }) }], payload: b"{\"Message\":\"Your request timed out because no new audio was received for 15 seconds.\"}" }), _phantom: PhantomData<aws_sdk_transcribestreaming::types::error::TranscriptResultStreamError> } }, vocabulary_filter_name: None, vocabulary_filter_method: None, show_speaker_label: false, enable_channel_identification: false, number_of_channels: None, enable_partial_results_stabilization: true, partial_results_stability: None, content_identification_type: None, content_redaction_type: None, pii_entity_types: None, language_model_name: None, identify_language: false, language_options: None, preferred_language: None, identify_multiple_languages: false, vocabulary_names: None, vocabulary_filter_names: None, _request_id: Some("4c0128eb-7923-4a2e-aba6-ff1be5eb22d6") })
2026-01-27T22:19:13.405757Z TRACE h2::proto::streams::streams: drop_stream_ref; stream=Stream { id: StreamId(1), state: State { inner: HalfClosedRemote(Streaming) }, is_counted: true, ref_count: 2, next_pending_send: None, is_pending_send: false, send_flow: FlowControl { window_size: Window(1048576), available: Window(1) }, requested_send_capacity: 1, buffered_send_data: 0, send_task: Some(Waker { data: 0x7f09b4002b80, vtable: 0x55bef59f1cd8 }), pending_send: Deque { indices: None }, next_pending_send_capacity: None, is_pending_send_capacity: false, send_capacity_inc: true, next_open: None, is_pending_open: false, is_pending_push: false, next_pending_accept: None, is_pending_accept: false, recv_flow: FlowControl { window_size: Window(2096953), available: Window(2097152) }, in_flight_recv_data: 0, next_window_update: None, is_pending_window_update: false, reset_at: None, next_reset_expire: None, pending_recv: Deque { indices: None }, is_recv: false, recv_task: None, pending_push_promises: Queue { indices: None, _p: PhantomData<h2::proto::streams::stream::NextAccept> }, content_length: Omitted }
2026-01-27T22:19:13.405773Z TRACE h2::proto::streams::counts: transition_after; stream=StreamId(1); state=State { inner: HalfClosedRemote(Streaming) }; is_closed=false; pending_send_empty=true; buffered_send_data=0; num_recv=0; num_send=1
2026-01-27T22:19:13.405806Z TRACE hyper::proto::h2::client: client::dispatch::Sender dropped
2026-01-27T22:19:13.405821Z TRACE hyper::client::pool: pool closed, canceling idle interval
2026-01-27T22:19:13.405920Z TRACE aws_sigv4::event_stream: calculated signing parameters canonical_request=None string_to_sign=[65, 87, 83, 52, 45, 72, 77, 65, 67, 45, 83, 72, 65, 50, 53, 54, 45, 80, 65, 89, 76, 79, 65, 68, 10, 50, 48, 50, 54, 48, 49, 50, 55, 84, 50, 50, 49, 57, 49, 51, 90, 10, 50, 48, 50, 54, 48, 49, 50, 55, 47, 117, 115, 45, 101, 97, 115, 116, 45, 49, 47, 116, 114, 97, 110, 115, 99, 114, 105, 98, 101, 47, 97, 119, 115, 52, 95, 114, 101, 113, 117, 101, 115, 116, 10, 51, 54, 97, 55, 101, 99, 98, 52, 50, 53, 100, 57, 101, 102, 53, 50, 57, 54, 56, 102, 54, 99, 55, 50, 54, 50, 101, 98, 52, 99, 98, 97, 98, 51, 54, 100, 56, 52, 49, 54, 100, 52, 101, 101, 54, 102, 101, 97, 50, 54, 49, 51, 99, 56, 52, 48, 100, 52, 101, 52, 56, 49, 56, 52, 10, 49, 97, 48, 102, 101, 101, 56, 101, 97, 57, 51, 100, 54, 52, 53, 48, 102, 56, 48, 100, 50, 98, 50, 99, 54, 98, 97, 100, 51, 48, 56, 56, 50, 97, 97, 52, 49, 50, 49, 48, 48, 48, 97, 55, 98, 98, 49, 52, 50, 99, 50, 102, 99, 97, 100, 54, 55, 57, 101, 100, 48, 55, 52, 99, 10, 101, 51, 98, 48, 99, 52, 52, 50, 57, 56, 102, 99, 49, 99, 49, 52, 57, 97, 102, 98, 102, 52, 99, 56, 57, 57, 54, 102, 98, 57, 50, 52, 50, 55, 97, 101, 52, 49, 101, 52, 54, 52, 57, 98, 57, 51, 52, 99, 97, 52, 57, 53, 57, 57, 49, 98, 55, 56, 53, 50, 98, 56, 53, 53]

Still that hang right after the read_after_execution interceptors are mentioned 🤔

[MathieuDuponchelle]

2026-01-27T22:19:13.405527Z TRACE aws_smithy_http::event_stream::receiver: received complete event stream message Message { headers: [Header { name: StrBytes { bytes: b":exception-type" }, value: String(StrBytes { bytes: b"BadRequestException" }) }, Header { name: StrBytes { bytes: b":content-type" }, value: String(StrBytes { bytes: b"application/json" }) }, Header { name: StrBytes { bytes: b":message-type" }, value: String(StrBytes { bytes: b"exception" }) }], payload: b"{\"Message\":\"Your request timed out because no new audio was received for 15 seconds.\"}" }

This part gave me an idea and I tried to add the following before establishing the connection:

    RUNTIME.spawn(async move {
        let sent = audio_tx.send(vec![0;8092]).await;
        eprintln!("Sent: {:?}", sent);
    });

Magically this causes the connection to finally get established in a timely fashion.

I'm fairly convinced this is a regression, the element used to work when waiting until builder.audio_stream() completed before sending any data, I'm a bit puzzled as to why I suddenly started reproducing without running cargo update though

[MathieuDuponchelle]

This means I can fix the element by slightly refactoring it of course, but I'm curious what your thoughts are here @vcjana ?

[MathieuDuponchelle]

I'm a bit puzzled as to why I suddenly started reproducing without running cargo update though

wild guess, but could perhaps be AWS doing a phased rollout of the service side, and not actually an issue in the client side code (SDK)?

[vcjana]

From the logs i understand that the SDK returns as soon as response headers arrive, but AWS enforces a 15-second idle timeout on the audio stream. Since no audio was being sent, it timed out.

[MathieuDuponchelle]

But the await used to return without audio being sent out, and now it no longer does :)

[MathieuDuponchelle]

Note that this 15-second with no audio timeout used to exist before by the way

[vcjana]

Ah good point if the timeout always existed but send().await used to return right away, something did change.