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https://issues.apache.org/jira/browse/FLINK-30644?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18133012#comment-18133012
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Martijn Visser commented on FLINK-30644:
----------------------------------------
Again on release-1.20, nightly 2026-10-24 (test_cron_jdk11 tests, JDK 11), with
the same Netty direct memory OOM as on 2026-10-02:
https://dev.azure.com/apache-flink/98463496-1af2-4620-8eab-a2ecc1a2e6fe/_build/results?buildId=80458&view=logs&j=2c3cbe13-dee0-5837-cf47-3053da9a8a78
{code}
[ERROR]
org.apache.flink.test.state.ChangelogCompatibilityITCase.testRestore[startWithChangelog=true,
restoreWithChangelog=true, restoreFrom=CANONICAL_SAVEPOINT, allowStore=true,
allowRestore=true] -- Time elapsed: 2.186 s <<< ERROR!
java.util.concurrent.ExecutionException:
org.apache.flink.runtime.checkpoint.CheckpointException: CheckpointCoordinator
shutdown.
at
org.apache.flink.test.state.ChangelogCompatibilityITCase.tryCheckpointAndStop(ChangelogCompatibilityITCase.java:180)
02:37:31,914 [Flink Netty Server (0) Thread 0] ERROR
org.apache.flink.runtime.io.network.netty.PartitionRequestQueue [] -
Encountered error while consuming partitions (connection to /127.0.0.1:52160)
java.lang.OutOfMemoryError: Direct buffer memory
{code}
> ChangelogCompatibilityITCase.testRestore fails due to CheckpointCoordinator
> being shutdown
> ------------------------------------------------------------------------------------------
>
> Key: FLINK-30644
> URL: https://issues.apache.org/jira/browse/FLINK-30644
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Coordination, Runtime / State Backends
> Affects Versions: 1.17.0, 1.19.1, 2.0-preview, 1.20.6
> Reporter: Matthias Pohl
> Priority: Major
> Labels: auto-deprioritized-critical, test-stability
>
> We observe a build failure in {{ChangelogCompatibilityITCase.testRestore}}
> due to the {{CheckpointCoordinator}} being shut down:
> {code:java}
> [...]
> Caused by: org.apache.flink.runtime.checkpoint.CheckpointException:
> CheckpointCoordinator shutdown.
> Jan 12 02:37:37 at
> org.apache.flink.runtime.checkpoint.PendingCheckpoint.abort(PendingCheckpoint.java:544)
> Jan 12 02:37:37 at
> org.apache.flink.runtime.checkpoint.CheckpointCoordinator.abortPendingCheckpoint(CheckpointCoordinator.java:2140)
> Jan 12 02:37:37 at
> org.apache.flink.runtime.checkpoint.CheckpointCoordinator.abortPendingCheckpoint(CheckpointCoordinator.java:2127)
> Jan 12 02:37:37 at
> org.apache.flink.runtime.checkpoint.CheckpointCoordinator.abortPendingCheckpoints(CheckpointCoordinator.java:2004)
> Jan 12 02:37:37 at
> org.apache.flink.runtime.checkpoint.CheckpointCoordinator.abortPendingCheckpoints(CheckpointCoordinator.java:1987)
> Jan 12 02:37:37 at
> org.apache.flink.runtime.checkpoint.CheckpointCoordinator.abortPendingAndQueuedCheckpoints(CheckpointCoordinator.java:2183)
> Jan 12 02:37:37 at
> org.apache.flink.runtime.checkpoint.CheckpointCoordinator.shutdown(CheckpointCoordinator.java:426)
> Jan 12 02:37:37 at
> org.apache.flink.runtime.executiongraph.DefaultExecutionGraph.onTerminalState(DefaultExecutionGraph.java:1329)
> [...]{code}
> https://dev.azure.com/apache-flink/apache-flink/_build/results?buildId=44731&view=logs&j=2c3cbe13-dee0-5837-cf47-3053da9a8a78&t=b78d9d30-509a-5cea-1fef-db7abaa325ae&l=9255
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