Fix: ack all block_actions to prevent 404 on button clicks - #4
Open
cresclaber wants to merge 1 commit into
Open
Conversation
Slack sends a block_actions event whenever a user clicks any Block Kit button (including URL buttons where the open happens client-side). Without a handler, slack-bolt returns 404 and logs a WARNING for each click. Co-Authored-By: Claude Sonnet 4.6 (1M context) <noreply@anthropic.com>
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
1 participant
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
Summary
@app.action(re.compile(r".*"))handler inSlackAdapter._register_handlersthat simply callsack()WARNING slack_bolt.AsyncApp: Unhandled request {'type': 'block_actions', ...}log + 404 response seen in productionRoot cause
When Matt sends a Block Kit message with buttons (e.g.
action_id: "open_doc"URL buttons), clicking them sends ablock_actionsevent to the Slack app. Without a handler,slack-boltlogs a WARNING and returns 404 — Slack may retry the event and the user sees the button "fail" even though the URL opens correctly.Test plan
uv run pytest tests/ -v)Unhandled requestWARNING logs forblock_actionsevents in GCP Cloud Logging🤖 Generated with Claude Code