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https://issues.apache.org/jira/browse/HDDS-16134?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Siyao Meng updated HDDS-16134:
------------------------------
Attachment: HDDS-16134.001.patch
> Intermittent failure in
> TestFailureHandlingByClient#testPipelineExclusionWithPipelineFailure
> --------------------------------------------------------------------------------------------
>
> Key: HDDS-16134
> URL: https://issues.apache.org/jira/browse/HDDS-16134
> Project: Apache Ozone
> Issue Type: Sub-task
> Components: Ozone Client, test
> Reporter: Siyao Meng
> Priority: Major
> Attachments: HDDS-16134.001.patch
>
>
> {code}
> [ERROR] Tests run: 4, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 145.6
> s <<< FAILURE! -- in
> org.apache.hadoop.ozone.client.rpc.TestFailureHandlingByClient
> [ERROR]
> org.apache.hadoop.ozone.client.rpc.TestFailureHandlingByClient.testPipelineExclusionWithPipelineFailure
> -- Time elapsed: 40.37 s <<< FAILURE!
> java.lang.AssertionError:
> Expecting empty but was: [c587cf9d-ea5d-466b-a23b-e96f6cfca97f(null/null)]
> at
> org.apache.hadoop.ozone.client.rpc.TestFailureHandlingByClient.testPipelineExclusionWithPipelineFailure(TestFailureHandlingByClient.java:540)
> {code}
> The property under test (the failed pipeline is added to the exclude list)
> passes; the extra assertion that the exclude list's datanode set is empty is
> not an invariant. When {{watchForCommit}} times out against the shut-down
> followers, those nodes are recorded as failed servers and added to the
> exclude list via {{KeyOutputStream.handleExceptionInternal}}; they are built
> from UUID only, hence the {{(null/null)}} address. Whether that watch reply
> lands before the write hits the pipeline failure is timing-dependent, so the
> datanode set cannot be asserted empty. This mirrors the non-invariant
> assertion removed from the sibling method in HDDS-15823; the fix is to drop
> the {{getDatanodes().isEmpty()}} assertion here too.
> Seen in:
> -
> https://github.com/adoroszlai/ozone-build-results/blob/master/2026/08/03/51849/integration-client/hadoop-ozone/integration-test/org.apache.hadoop.ozone.client.rpc.TestFailureHandlingByClient.txt
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