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https://issues.apache.org/jira/browse/FLINK-41049?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated FLINK-41049:
-----------------------------------
Labels: pull-request-available test-stability (was: test-stability)
> CI jobs fail when the downloaded Maven wrapper jar does not pass its SHA-256
> check
> ----------------------------------------------------------------------------------
>
> Key: FLINK-41049
> URL: https://issues.apache.org/jira/browse/FLINK-41049
> Project: Flink
> Issue Type: Bug
> Components: Build System / CI
> Affects Versions: 2.2.2, 2.3.1, 2.4.0
> Reporter: Martijn Visser
> Priority: Major
> Labels: pull-request-available, test-stability
>
> Every GHA test job still downloads maven-wrapper-3.3.4.jar from
> repo.maven.apache.org through mvnw. FLINK-40406 put the Maven distribution
> into the CI image (46eb63f0bc2), not the wrapper jar. When that download
> fails, the job dies before Maven starts. Five jobs since 2026-10-08, on three
> branches:
> https://github.com/apache/flink/actions/runs/37716701006/job/113119008774
> (master nightly 2026-10-08, AdaptiveScheduler misc)
> https://github.com/apache/flink/actions/runs/38195297880/job/114640145627
> (master nightly 2026-10-12, AdaptiveScheduler e2e group 2)
> https://github.com/apache/flink/actions/runs/38299469597/job/114995175394
> (release-2.2 push 2026-10-12, python)
> https://github.com/apache/flink/actions/runs/38299474530/job/115005936682
> (release-2.3 push 2026-10-13, misc)
> https://github.com/apache/flink/actions/runs/38993321281/job/117289841829
> (release-2.3 nightly 2026-10-17, Java 21 e2e group 1)
> {code}
> Error: Failed to validate Maven wrapper SHA-256, your Maven wrapper might be
> compromised.
> Investigate or delete /root/flink/.mvn/wrapper/maven-wrapper.jar to attempt a
> clean download.
> If you updated your Maven version, you need to update the specified
> wrapperSha256Sum property.
> Process exited with EXIT CODE: 1.
> {code}
> The example job in FLINK-40406 failed on the same jar before that fix, with
> "Could not find or load main class org.apache.maven.wrapper.MavenWrapperMain".
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