[test] Unstable test FlinkUnionReadPrimaryKeyTableITCase.testUnionReadWithCustomLakeTablePath #4233

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1. ChengJie1053 commented on Sep 4, 2026

   

   ChengJie1053

   on Sep 4, 2026

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   I would like to work on this issue.
2. github-actions commented on Sep 9, 2026

   

   github-actionsbot

   on Sep 9, 2026 – with GitHub Actions

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   https://github.com/apache/fluss/actions/runs/34273236558/job/102219864609

   [ERROR] org.apache.fluss.lake.paimon.flink.FlinkUnionReadPrimaryKeyTableITCase.testUnionReadWithCustomLakeTablePath  Time elapsed: 68.778 s  <<< FAILURE!
   java.lang.AssertionError: 
   
3. github-actions commented on Sep 16, 2026

   

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   https://github.com/apache/fluss/actions/runs/34958538719/job/104346331356

   [ERROR] org.apache.fluss.lake.paimon.flink.FlinkUnionReadPrimaryKeyTableITCase.testUnionReadWithCustomLakeTablePath  Time elapsed: 68.842 s  <<< FAILURE!
   java.lang.AssertionError: 
   
4. github-actions commented on Sep 21, 2026

   

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   https://github.com/apache/fluss/actions/runs/35534668328/job/106141431587

   [ERROR] org.apache.fluss.lake.paimon.flink.FlinkUnionReadPrimaryKeyTableITCase.testUnionReadWithCustomLakeTablePath  Time elapsed: 69.013 s  <<< FAILURE!
   java.lang.AssertionError: 
   
5. github-actions commented on Sep 22, 2026

   

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   https://github.com/apache/fluss/actions/runs/35602925512/job/106343071489

   [ERROR] org.apache.fluss.lake.paimon.flink.FlinkUnionReadPrimaryKeyTableITCase.testUnionReadWithCustomLakeTablePath  Time elapsed: 68.845 s  <<< FAILURE!
   java.lang.AssertionError: 
   
6. Jackeyzhe commented on Sep 22, 2026

   

   Jackeyzhe

   on Sep 22, 2026

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   Hi @ChengJie1053

   I investigated the recent occurrences of #4233 using the detailed CI log
   artifact. waitUntilTableReady() can narrow one trigger window, but the log
   appears to expose a broader issue in the tiering enumerator.

   The previous tiering job claimed the newly created table, generated zero
   splits, and moved the table from tieringTableEpochs to finishedTables.
   The enumerator was then closed before the next heartbeat. close() reports
   the remaining active tables as failed, but it does not flush
   finishedTables, so the coordinator kept this table in the Tiering state
   until the service timeout. The next tiering job consequently reported
   "No available Tiering table found" for the entire test timeout.

   The same lost-completion window can also apply to a normal
   FinishedTieringEvent, so this looks like a production liveness issue rather
   than only a table-readiness race in this test.

   Would you be interested in extending #4235 to flush pending completion reports
   during enumerator shutdown and add a deterministic enumerator regression test?
   I am happy to share the detailed timeline and test approach. If you would
   prefer, I can prepare a separate root-cause fix and link it here.
7. github-actions commented on Sep 24, 2026

   

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   https://github.com/apache/fluss/actions/runs/35914314872/job/107361806459

   [ERROR] org.apache.fluss.lake.paimon.flink.FlinkUnionReadPrimaryKeyTableITCase.testUnionReadWithCustomLakeTablePath  Time elapsed: 68.854 s  <<< FAILURE!
   java.lang.AssertionError: 
   
8. github-actions commented on Sep 25, 2026

   

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   https://github.com/apache/fluss/actions/runs/35966673950/job/107526705686

   [ERROR] org.apache.fluss.lake.paimon.flink.FlinkUnionReadPrimaryKeyTableITCase.testUnionReadWithCustomLakeTablePath  Time elapsed: 68.813 s  <<< FAILURE!
   java.lang.AssertionError: 
   
9. github-actions commented on Oct 13, 2026

   

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   https://github.com/apache/fluss/actions/runs/38302686028/job/114989180188

   [ERROR] org.apache.fluss.lake.paimon.flink.FlinkUnionReadPrimaryKeyTableITCase.testUnionReadWithCustomLakeTablePath  Time elapsed: 68.887 s  <<< FAILURE!
   java.lang.AssertionError: 
   
10. Jackeyzhe

    added a commit that references this issue on Oct 16, 2026

    [flink] Flush finished tiering tables when closing enumerator

    ...

    c308e60
11. github-actions commented on Oct 16, 2026

    

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    on Oct 16, 2026 – with GitHub Actions

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    https://github.com/apache/fluss/actions/runs/38700031652/job/116305719076

    [ERROR] org.apache.fluss.lake.paimon.flink.FlinkUnionReadPrimaryKeyTableITCase.testUnionReadWithCustomLakeTablePath  Time elapsed: 68.867 s  <<< FAILURE!
    java.lang.AssertionError: