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https://issues.apache.org/jira/browse/FLINK-41053?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18129732#comment-18129732
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Purushottam Sinha commented on FLINK-41053:
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created [https://github.com/apache/flink/pull/29552]
> UnalignedCheckpointRescaleWithMixedExchangesITCase.testRescaleFromUnalignedCheckpoint
> cannot find chk-1 on restore on release-1.20
> ----------------------------------------------------------------------------------------------------------------------------------
>
> Key: FLINK-41053
> URL: https://issues.apache.org/jira/browse/FLINK-41053
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Checkpointing
> Affects Versions: 1.20.6
> Reporter: Martijn Visser
> Priority: Minor
> Labels: test-stability
>
> UnalignedCheckpointRescaleWithMixedExchangesITCase.testRescaleFromUnalignedCheckpoint
> still fails on release-1.20 with the missing chk-1 from FLINK-38613, after
> its backport e9b9ac8feca (2026-10-12). Both nightlies include it:
> https://dev.azure.com/apache-flink/98463496-1af2-4620-8eab-a2ecc1a2e6fe/_build/results?buildId=80087&view=logs&j=39d5b1d5-3b41-54dc-6458-1e2ddd1cdcf3
> (2026-10-13, test_cron_azure, Java 8, test case 1)
> https://dev.azure.com/apache-flink/98463496-1af2-4620-8eab-a2ecc1a2e6fe/_build/results?buildId=80317&view=logs&j=39d5b1d5-3b41-54dc-6458-1e2ddd1cdcf3
> (2026-10-20, test_cron_azure, Java 8, test case 1)
> {code}
> [ERROR]
> org.apache.flink.test.checkpointing.UnalignedCheckpointRescaleWithMixedExchangesITCase.testRescaleFromUnalignedCheckpoint[Test
> case 1] -- Time elapsed: 5.321 s <<< ERROR!
> java.lang.IllegalStateException: Job has entered FAILED state, but expecting
> [RUNNING]
> at
> org.apache.flink.runtime.testutils.CommonTestUtils.waitForJobStatus(CommonTestUtils.java:271)
> at
> org.apache.flink.test.checkpointing.UnalignedCheckpointRescaleWithMixedExchangesITCase.testRescaleFromUnalignedCheckpoint(UnalignedCheckpointRescaleWithMixedExchangesITCase.java:135)
> Caused by: java.io.FileNotFoundException: Cannot find checkpoint or savepoint
> file/directory
> 'file:/tmp/junit8603022041070452770/junit2345622914065526913/01b77edc6738a55c33a6c4ee9d6379ee/chk-1'
> on file system 'file'.
> {code}
> Two of 25 release-1.20 runs since the backport. No hit on release-2.2 since
> its backport, and none on master or release-2.3 in the last seven days (0 of
> 91). master and release-2.3 also carry FLINK-39140 (17581beed0c), which
> release-1.20 and release-2.2 do not.
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