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https://issues.apache.org/jira/browse/TEZ-4723?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
László Bodor resolved TEZ-4723.
-------------------------------
Resolution: Fixed
> TestMapProcessor is flaky
> -------------------------
>
> Key: TEZ-4723
> URL: https://issues.apache.org/jira/browse/TEZ-4723
> Project: Apache Tez
> Issue Type: Bug
> Reporter: László Bodor
> Assignee: László Bodor
> Priority: Major
> Fix For: 1.0.0
>
> Attachments: Screenshot 2026-06-02 at 11.09.44.png
>
> Time Spent: 2h
> Remaining Estimate: 0h
>
> {code}
> [INFO] Running org.apache.tez.mapreduce.processor.map.TestMapProcessor
> [ERROR] Tests run: 2, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 1.673
> s <<< FAILURE! -- in org.apache.tez.mapreduce.processor.map.TestMapProcessor
> [ERROR]
> org.apache.tez.mapreduce.processor.map.TestMapProcessor.testMapProcessorProgress
> -- Time elapsed: 0.873 s <<< FAILURE!
> java.lang.AssertionError: Progress Updates should be captured!
> at org.junit.Assert.fail(Assert.java:89)
> at org.junit.Assert.assertTrue(Assert.java:42)
> at
> org.apache.tez.mapreduce.processor.map.TestMapProcessor.testMapProcessorProgress(TestMapProcessor.java:253)
> at
> java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
> at java.base/java.lang.reflect.Method.invoke(Method.java:580)
> at
> org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:59)
> at
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
> at
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56)
> at
> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
> at
> org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:299)
> at
> org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:293)
> at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317)
> at java.base/java.lang.Thread.run(Thread.java:1583)
> {code}
> double-checked, it passed in the full precommit coverage PR in the scope of
> TEZ-4718:
> https://ci-hadoop.apache.org/job/tez-multibranch/job/PR-498/14/testReport/org.apache.tez.mapreduce.processor.map/TestMapProcessor/
> update: it's flaky, if map processor finishes too fast, the progress catcher
> thread cannot get fired in time
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