[Bug]: fault-remediation module is stuck with error :"Failed to watch change stream" after v0.7.1 upgrade

[deesharma24]

Prerequisites

• I searched existing issues
• I can reproduce this issue

Bug Description

when fault-remediation comes up, it is not able to watch the mongodb changestream and is throwing the below error

{"time":"2026-02-26T11:55:55.346439016Z","level":"ERROR","msg":"Failed to watch change stream","module":"fault-remediation","version":"v0.7.1","client":"watcher-factory","error":"(ChangeStreamFatalError) Executor error during getMore :: caused by :: cannot resume stream; the resume token was not found. {_data: \"8269A0042C000000732B042C0100296E5A1004A6C9E0BC444A494DA06DA649B45E45E3463C6F7065726174696F6E54797065003C7570646174650046646F63756D656E744B65790046645F6964006469A0042CE2A00114E4C9D718000004\"}"}

it needs to be checked how best to remediate it.

Component

Health Monitor

Steps to Reproduce

After upgrade to v0.7.1, this issue is coming. This is seen only once and there is no mechanism to repro this yet.

Environment

• NVSentinel version: V0.7.1
• Kubernetes version:v1.29.15
• Deployment method: helm chart

Logs/Output

{"time":"2026-02-26T11:55:55.346433518Z","level":"ERROR","msg":"Failed to watch change stream","module":"fault-remediation","version":"v0.7.1","client":"watcher-factory","error":"(ChangeStreamFatalError) Executor error during getMore :: caused by :: cannot resume stream; the resume token was not found. {_data: \"8269A0042C000000732B042C0100296E5A1004A6C9E0BC444A494DA06DA649B45E45E3463C6F7065726174696F6E54797065003C7570646174650046646F63756D656E744B65790046645F6964006469A0042CE2A00114E4C9D718000004\"}"}
{"time":"2026-02-26T11:55:55.346435161Z","level":"ERROR","msg":"Failed to watch change stream","module":"fault-remediation","version":"v0.7.1","client":"watcher-factory","error":"(ChangeStreamFatalError) Executor error during getMore :: caused by :: cannot resume stream; the resume token was not found. {_data: \"8269A0042C000000732B042C0100296E5A1004A6C9E0BC444A494DA06DA649B45E45E3463C6F7065726174696F6E54797065003C7570646174650046646F63756D656E744B65790046645F6964006469A0042CE2A00114E4C9D718000004\"}"}
{"time":"2026-02-26T11:55:55.346437384Z","level":"ERROR","msg":"Failed to watch change stream","module":"fault-remediation","version":"v0.7.1","client":"watcher-factory","error":"(ChangeStreamFatalError) Executor error during getMore :: caused by :: cannot resume stream; the resume token was not found. {_data: \"8269A0042C000000732B042C0100296E5A1004A6C9E0BC444A494DA06DA649B45E45E3463C6F7065726174696F6E54797065003C7570646174650046646F63756D656E744B65790046645F6964006469A0042CE2A00114E4C9D718000004\"}"}
{"time":"2026-02-26T11:55:55.346439016Z","level":"ERROR","msg":"Failed to watch change stream","module":"fault-remediation","version":"v0.7.1","client":"watcher-factory","error":"(ChangeStreamFatalError) Executor error during getMore :: caused by :: cannot resume stream; the resume token was not found. {_data: \"8269A0042C000000732B042C0100296E5A1004A6C9E0BC444A494DA06DA649B45E45E3463C6F7065726174696F6E54797065003C7570646174650046646F63756D656E744B65790046645F6964006469A0042CE2A00114E4C9D718000004\"}"}
{"time":"2026-02-26T11:55:55.346440729Z","level":"ERROR","msg":"Failed to watch change stream","module":"fault-remediation","version":"v0.7.1","client":"watcher-factory","error":"(ChangeStreamFatalError) Executor error during getMore :: caused by :: cannot resume stream; the resume token was not found. {_data: \"8269A0042C000000732B042C0100296E5A1004A6C9E0BC444A494DA06DA649B45E45E3463C6F7065726174696F6E54797065003C7570646174650046646F63756D656E744B65790046645F6964006469A0042CE2A00114E4C9D718000004\"}"}
{"time":"2026-02-26T11:55:55.346442412Z","level":"ERROR","msg":"Failed to watch change stream","module":"fault-remediation","version":"v0.7.1","client":"watcher-factory","error":"(ChangeStreamFatalError) Executor error during getMore :: caused by :: cannot resume stream; the resume token was not found. {_data: \"8269A0042C000000732B042C0100296E5A1004A6C9E0BC444A494DA06DA649B45E45E3463C6F7065726174696F6E54797065003C7570646174650046646F63756D656E744B65790046645F6964006469A0042CE2A00114E4C9D718000004\"}"}
{"time":"2026-02-26T11:55:55.346444104Z","level":"ERROR","msg":"Failed to watch change stream","module":"fault-remediation","version":"v0.7.1","client":"watcher-factory","error":"(ChangeStreamFatalError) Executor error during getMore :: caused by :: cannot resume stream; the resume token was not found. {_data: \"8269A0042C000000732B042C0100296E5A1004A6C9E0BC444A494DA06DA649B45E45E3463C6F7065726174696F6E54797065003C7570646174650046646F63756D656E744B65790046645F6964006469A0042CE2A00114E4C9D718000004\"}"}
{"time":"2026-02-26T11:55:55.346445787Z","level":"ERROR","msg":"Failed to watch change stream","module":"fault-remediation","version":"v0.7.1","client":"watcher-factory","error":"(ChangeStreamFatalError) Executor error during getMore :: caused by :: cannot resume stream; the resume token was not found. {_data: \"8269A0042C000000732B042C0100296E5A1004A6C9E0BC444A494DA06DA649B45E45E3463C6F7065726174696F6E54797065003C7570646174650046646F63756D656E744B65790046645F6964006469A0042CE2A00114E4C9D718000004\"}"}
{"time":"2026-02-26T11:55:55.346447439Z","level":"ERROR","msg":"Failed to watch change stream","module":"fault-remediation","version":"v0.7.1","client":"watcher-factory","error":"(ChangeStreamFatalError) Executor error during getMore :: caused by :: cannot resume stream; the resume token was not found. {_data: \"8269A0042C000000732B042C0100296E5A1004A6C9E0BC444A494DA06DA649B45E45E3463C6F7065726174696F6E54797065003C7570646174650046646F63756D656E744B65790046645F6964006469A0042CE2A00114E4C9D718000004\"}"}