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https://issues.apache.org/jira/browse/FLINK-40663?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18118781#comment-18118781
]
Martijn Visser commented on FLINK-40663:
----------------------------------------
Three more nightlies on release-1.20:
2026-09-17 (Java 17):
https://github.com/apache/flink/actions/runs/35172901228/job/105057380704
2026-09-18 (Java 17):
https://github.com/apache/flink/actions/runs/35297736983/job/105462530993
2026-09-24 (Java 11):
https://github.com/apache/flink/actions/runs/35945602433/job/107472296512
2026-09-24 (Java 17):
https://github.com/apache/flink/actions/runs/35945602433/job/107472901169
{code}
[ERROR]
org.apache.flink.table.planner.runtime.stream.sql.WindowDistinctAggregateStressITCase.testCumulateWindowRollupUnderBackpressure
-- Time elapsed: 622.6 s <<< ERROR!
java.util.concurrent.ExecutionException:
org.apache.flink.table.api.TableException: Failed to wait job finish
at
org.apache.flink.table.planner.runtime.stream.sql.WindowDistinctAggregateStressITCase.runQuery(WindowDistinctAggregateStressITCase.java:191)
at
org.apache.flink.table.planner.runtime.stream.sql.WindowDistinctAggregateStressITCase.testCumulateWindowRollupUnderBackpressure(WindowDistinctAggregateStressITCase.java:149)
{code}
The test is identical on master, release-2.3 and release-2.2 and did not fail
there in the same week.
> WindowDistinctAggregateStressITCase.testCumulateWindowRollupUnderBackpressure
> times out after 600s
> ---------------------------------------------------------------------------------------------------
>
> Key: FLINK-40663
> URL: https://issues.apache.org/jira/browse/FLINK-40663
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / Runtime
> Affects Versions: 1.20.5
> Reporter: Martijn Visser
> Priority: Major
> Labels: test-stability
>
> {code}
> [ERROR]
> org.apache.flink.table.planner.runtime.stream.sql.WindowDistinctAggregateStressITCase.testCumulateWindowRollupUnderBackpressure
> -- Time elapsed: 617.2 s <<< ERROR!
> java.util.concurrent.ExecutionException:
> org.apache.flink.table.api.TableException: Failed to wait job finish
> at
> java.base/java.util.concurrent.CompletableFuture.reportGet(CompletableFuture.java:395)
> at
> org.apache.flink.table.api.internal.TableResultImpl.awaitInternal(TableResultImpl.java:122)
> at
> org.apache.flink.table.planner.runtime.stream.sql.WindowDistinctAggregateStressITCase.runQuery(WindowDistinctAggregateStressITCase.java:191)
> at
> org.apache.flink.table.planner.runtime.stream.sql.WindowDistinctAggregateStressITCase.testCumulateWindowRollupUnderBackpressure(WindowDistinctAggregateStressITCase.java:149)
> Caused by: org.apache.flink.table.api.TableException: Failed to wait job
> finish
> at
> org.apache.flink.table.api.internal.InsertResultProvider.hasNext(InsertResultProvider.java:85)
> {code}
> Three occurrences in the window, on two different profiles and on both a
> nightly and a push run:
> https://github.com/apache/flink/actions/runs/34919682822 (nightly 2026-09-15,
> Java 11)
> https://github.com/apache/flink/actions/runs/34798014224 (nightly 2026-09-14,
> Java 17)
> https://github.com/apache/flink/actions/runs/34861606726 (push 2026-09-14,
> Java 8)
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