Reader was released and can no longer be used to monitor the stream's closedness. #20177
Description
Is there an existing issue for this?
- I have checked for existing issues https://github.com/getsentry/sentry-javascript/issues
- I have reviewed the documentation https://docs.sentry.io/
- I am using the latest SDK release https://github.com/getsentry/sentry-javascript/releases
How do you use Sentry?
Sentry Saas (sentry.io)
Which SDK are you using?
@sentry/deno
SDK Version
10.47.0
Framework Version
No response
Link to Sentry event
Reproduction Example/SDK Setup
// Initialize Sentry for error and performance tracking
Sentry.init({
dsn: Deno.env.get("SENTRY_DSN") || "",
tracesSampleRate: 1.0,
sendDefaultPii: true,
integrations: [Sentry.vercelAIIntegration()],
})
Steps to Reproduce
No Idea
Expected Result
No error
Actual Result
Error inside the sentry package:
ext:deno_web/06_streams.js in readableStreamReaderGenericRelease at line 3004:7
ext:deno_web/06_streams.js in readableStreamDefaultReaderRelease at line 2553:3
ext:deno_web/06_streams.js in ReadableStreamDefaultReader.releaseLock at line 5502:5
/app/node_modules/.deno/@sentry+deno@10.47.0/node_modules/@sentry/deno/build/esm/utils/streaming.js in Object.start at line 90:20
ext:core/01_core.js in eventLoopTick at line 218:9
Additional Context
No response
Priority
React with 👍 to help prioritize this issue. Please use comments to provide useful context, avoiding +1 or me too, to help us triage it.
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linear-code commentedon Apr 9, 2026
JS-2107
andreiborza commentedon Apr 10, 2026
Hi @NikoLandgraf, thanks for filing this.
Looks like we need to handle the rejection from when the lock releases. I'll take a closer look.
fix(deno): Handle `reader.closed` rejection from `releaseLock()` in s…
fix(deno): Handle `reader.closed` rejection from `releaseLock()` in s…
github-actions commentedon Apr 16, 2026
A PR closing this issue has just been released 🚀
This issue was referenced by PR #20187, which was included in the 10.49.0 release.