typelevel / typelevel/fs2

failed: fs2.io.net.udp.UdpSuite.udp

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bug
Dominant language
Scala
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Avg merge
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Merged PRs (30d)
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Description

==> X fs2.io.net.udp.UdpSuite.udp - echo lots 30.28s java.util.concurrent.TimeoutException: test timed out after 30 seconds
    at munit.CatsEffectSuite$$anonfun$1.applyOrElse(/Users/runner/work/fs2/fs2/io/js/target/scala-2.13/fs2-io-test-fastopt/main.js:139735)
    at scala.PartialFunction$Lifted.apply(/Users/runner/work/fs2/fs2/io/js/target/scala-2.13/fs2-io-test-fastopt/main.js:117213)
    at scala.PartialFunction$Lifted.apply(/Users/runner/work/fs2/fs2/io/js/target/scala-2.13/fs2-io-test-fastopt/main.js:117217)
    at munit.ValueTransforms$ValueTransform.apply(/Users/runner/work/fs2/fs2/io/js/target/scala-2.13/fs2-io-test-fastopt/main.js:70900)
    at <jscode>.{anonymous}()(/Users/runner/work/fs2/fs2/io/js/target/scala-2.13/fs2-io-test-fastopt/main.js:28102)
    at map @ <jscode>.{anonymous}()(/Users/runner/work/fs2/fs2/io/js/target/scala-2.13/fs2-io-test-fastopt/main.js:189605)
    at delay @ <jscode>.{anonymous}()(/Users/runner/work/fs2/fs2/io/js/target/scala-2.13/fs2-io-test-fastopt/main.js:154513)
    at flatMap @ <jscode>.{anonymous}()(/Users/runner/work/fs2/fs2/io/js/target/scala-2.13/fs2-io-test-fastopt/main.js:81940)
    at unsafeToFuture @ munit.CatsEffectSuite$$anonfun$1.applyOrElse(/Users/runner/work/fs2/fs2/io/js/target/scala-2.13/fs2-io-test-fastopt/main.js:139738)
    at void @ <jscode>.{anonymous}()(/Users/runner/work/fs2/fs2/io/js/target/scala-2.13/fs2-io-test-fastopt/main.js:256877)
    at unsafeToFuture @ munit.CatsEffectSuite$$anonfun$1.applyOrElse(/Users/runner/work/fs2/fs2/io/js/target/scala-2.13/fs2-io-test-fastopt/main.js:139738)
    at productR @ <jscode>.{anonymous}()(/Users/runner/work/fs2/fs2/io/js/target/scala-2.13/fs2-io-test-fastopt/main.js:256776)
    at delay @ <jscode>.{anonymous}()(/Users/runner/work/fs2/fs2/io/js/target/scala-2.13/fs2-io-test-fastopt/main.js:153761)
    at flatMap @ <jscode>.{anonymous}()(/Users/runner/work/fs2/fs2/io/js/target/scala-2.13/fs2-io-test-fastopt/main.js:81989)
    at flatMap @ <jscode>.{anonymous}()(/Users/runner/work/fs2/fs2/io/js/target/scala-2.13/fs2-io-test-fastopt/main.js:189665)
    at timeoutTo @ munit.CatsEffectSuite$$anonfun$1.applyOrElse(/Users/runner/work/fs2/fs2/io/js/target/scala-2.13/fs2-io-test-fastopt/main.js:139736)
    at timeoutTo @ munit.CatsEffectSuite$$anonfun$1.applyOrElse(/Users/runner/work/fs2/fs2/io/js/target/scala-2.13/fs2-io-test-fastopt/main.js:139736)

refs: https://github.com/typelevel/fs2/actions/runs/7567949074/job/20608123248?pr=3375#step:6:222

Contributor guide

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with fs2.io.net.udp.UdpSuite.udp, focusing on the "echo lots" case, and reproduce the timeout in the referenced GitHub Actions run. Trace why the test exceeds its 30-second limit and verify that the UDP test completes reliably without timing out.

Written by the indexing model from the issue text.

Assessment

Tech stack
scala
Domain
networking, testing
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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