[
https://issues.apache.org/jira/browse/HDFS-4925?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Tao Luo updated HDFS-4925:
--------------------------
Attachment: TestQuorumJournalManager.rtf
Stacktrace:
{code}
java.lang.AssertionError: Leaked thread: "IPC Client (5584739) connection to
/127.0.0.1:46788 from jenkins" Id=912 RUNNABLE
at sun.nio.ch.FileDispatcher.preClose0(Native Method)
at sun.nio.ch.SocketDispatcher.preClose(SocketDispatcher.java:41)
at
sun.nio.ch.SocketChannelImpl.implCloseSelectableChannel(SocketChannelImpl.java:677)
at
java.nio.channels.spi.AbstractSelectableChannel.implCloseChannel(AbstractSelectableChannel.java:201)
at
java.nio.channels.spi.AbstractInterruptibleChannel.close(AbstractInterruptibleChannel.java:97)
at
org.apache.hadoop.net.SocketOutputStream.close(SocketOutputStream.java:137)
at java.io.FilterOutputStream.close(FilterOutputStream.java:143)
at java.io.FilterOutputStream.close(FilterOutputStream.java:143)
...
sun.nio.ch.FileDispatcher.preClose0(Native Method)
sun.nio.ch.SocketDispatcher.preClose(SocketDispatcher.java:41)
sun.nio.ch.SocketChannelImpl.implCloseSelectableChannel(SocketChannelImpl.java:677)
java.nio.channels.spi.AbstractSelectableChannel.implCloseChannel(AbstractSelectableChannel.java:201)
java.nio.channels.spi.AbstractInterruptibleChannel.close(AbstractInterruptibleChannel.java:97)
org.apache.hadoop.net.SocketOutputStream.close(SocketOutputStream.java:137)
java.io.FilterOutputStream.close(FilterOutputStream.java:143)
java.io.FilterOutputStream.close(FilterOutputStream.java:143)
org.apache.hadoop.io.IOUtils.cleanup(IOUtils.java:239)
org.apache.hadoop.io.IOUtils.closeStream(IOUtils.java:256)
org.apache.hadoop.ipc.Client$Connection.close(Client.java:1036)
org.apache.hadoop.ipc.Client$Connection.run(Client.java:855)
at org.junit.Assert.fail(Assert.java:93)
at
org.apache.hadoop.test.GenericTestUtils.assertNoThreadsMatching(GenericTestUtils.java:360)
at
org.apache.hadoop.hdfs.qjournal.client.TestQuorumJournalManager.shutdown(TestQuorumJournalManager.java:108)
at sun.reflect.GeneratedMethodAccessor140.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at
org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:45)
at
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
at
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:42)
at
org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:36)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:263)
at
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:68)
at
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:47)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:231)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:60)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:229)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:50)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:222)
at org.junit.runners.ParentRunner.run(ParentRunner.java:300)
at
org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:252)
at
org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:141)
at
org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:112)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at
org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:189)
at
org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:165)
at
org.apache.maven.surefire.booter.ProviderFactory.invokeProvider(ProviderFactory.java:85)
at
org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:115)
at
org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:75)
{code}
> TestQuorumJournalManager.testPurgeLogs intermittently Fails
> assertNoThreadsMatching
> -----------------------------------------------------------------------------------
>
> Key: HDFS-4925
> URL: https://issues.apache.org/jira/browse/HDFS-4925
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: qjm, test
> Affects Versions: 3.0.0
> Reporter: Tao Luo
> Priority: Minor
> Attachments: TestQuorumJournalManager.rtf
>
>
> On Jenkins, I saw this assert fail in the @After shutdown() for
> TestQuorumJournalManager.testPurgeLogs():
> {code} // Should not leak clients between tests -- this can cause flaky
> tests.
> // (See HDFS-4643)
> GenericTestUtils.assertNoThreadsMatching(".*IPC Client.*");
> {code}
> https://builds.apache.org/job/PreCommit-HDFS-Build/4546//testReport/
> I could not reproduce locally.
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