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Posted to issues@beam.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2020/11/13 23:35:00 UTC
[jira] [Work logged] (BEAM-4136)
org.apache.beam.fn.harness.logging.BeamFnLoggingClientTest.testLogging
fails with NullPointerException
[ https://issues.apache.org/jira/browse/BEAM-4136?focusedWorklogId=511621&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-511621 ]
ASF GitHub Bot logged work on BEAM-4136:
----------------------------------------
Author: ASF GitHub Bot
Created on: 13/Nov/20 23:34
Start Date: 13/Nov/20 23:34
Worklog Time Spent: 10m
Work Description: TheNeuralBit opened a new pull request #13345:
URL: https://github.com/apache/beam/pull/13345
I haven't found evidence that this is the cause but I strongly suspect the cause of the NPE on this line:
https://github.com/apache/beam/blob/43e8b990b19d9ad3031b06e3c3dea508d0916d93/sdks/java/harness/src/test/java/org/apache/beam/fn/harness/logging/BeamFnLoggingClientTest.java#L162
is that the `Logger` corresponding to `"ConfiguredLogger"` has been GC'd. The javadoc for `Logger.getLogger` notes:
> Note: The LogManager may only retain a weak reference to the newly created Logger. It is important to understand that a previously created Logger with the given name may be garbage collected at any time if there is no strong reference to the Logger.
Once the client is closed the only reference to the logger is removed and there's the possibility it's been GC'd.
This PR also removes warning suppression in BeamFnLoggingClient.
Post-Commit Tests Status (on master branch)
------------------------------------------------------------------------------------------------
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--- | --- | --- | --- | --- | --- | ---
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Pre-Commit Tests Status (on master branch)
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Issue Time Tracking
-------------------
Worklog Id: (was: 511621)
Remaining Estimate: 0h
Time Spent: 10m
> org.apache.beam.fn.harness.logging.BeamFnLoggingClientTest.testLogging fails with NullPointerException
> ------------------------------------------------------------------------------------------------------
>
> Key: BEAM-4136
> URL: https://issues.apache.org/jira/browse/BEAM-4136
> Project: Beam
> Issue Type: Bug
> Components: sdk-java-harness
> Reporter: Etienne Chauchot
> Assignee: Brian Hulette
> Priority: P1
> Labels: Clarified, flake
> Time Spent: 10m
> Remaining Estimate: 0h
>
> java.lang.NullPointerException at org.apache.beam.fn.harness.logging.BeamFnLoggingClientTest.testLogging(BeamFnLoggingClientTest.java:158) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50) at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47) at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17) at org.junit.rules.ExpectedException$ExpectedExceptionStatement.evaluate(ExpectedException.java:239) at org.junit.rules.RunRules.evaluate(RunRules.java:20) at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57) at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288) at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268) at org.junit.runners.ParentRunner.run(ParentRunner.java:363) at org.gradle.api.internal.tasks.testing.junit.JUnitTestClassExecuter.runTestClass(JUnitTestClassExecuter.java:114) at org.gradle.api.internal.tasks.testing.junit.JUnitTestClassExecuter.execute(JUnitTestClassExecuter.java:57) at org.gradle.api.internal.tasks.testing.junit.JUnitTestClassProcessor.processTestClass(JUnitTestClassProcessor.java:66) at org.gradle.api.internal.tasks.testing.SuiteTestClassProcessor.processTestClass(SuiteTestClassProcessor.java:51) at sun.reflect.GeneratedMethodAccessor11.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:35) at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:24) at org.gradle.internal.dispatch.ContextClassLoaderDispatch.dispatch(ContextClassLoaderDispatch.java:32) at org.gradle.internal.dispatch.ProxyDispatchAdapter$DispatchingInvocationHandler.invoke(ProxyDispatchAdapter.java:93) at com.sun.proxy.$Proxy3.processTestClass(Unknown Source) at org.gradle.api.internal.tasks.testing.worker.TestWorker.processTestClass(TestWorker.java:108) at sun.reflect.GeneratedMethodAccessor10.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:35) at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:24) at org.gradle.internal.remote.internal.hub.MessageHubBackedObjectConnection$DispatchWrapper.dispatch(MessageHubBackedObjectConnection.java:146) at org.gradle.internal.remote.internal.hub.MessageHubBackedObjectConnection$DispatchWrapper.dispatch(MessageHubBackedObjectConnection.java:128) at org.gradle.internal.remote.internal.hub.MessageHub$Handler.run(MessageHub.java:404) at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:63) at org.gradle.internal.concurrent.ManagedExecutorImpl$1.run(ManagedExecutorImpl.java:46) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at org.gradle.internal.concurrent.ThreadFactoryImpl$ManagedThreadRunnable.run(ThreadFactoryImpl.java:55) at java.lang.Thread.run(Thread.java:748)
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