Ted Yu created HDFS-6083:
----------------------------

             Summary: TestQuorumJournalManager#testChangeWritersLogsOutOfSync2 
occasionally fails
                 Key: HDFS-6083
                 URL: https://issues.apache.org/jira/browse/HDFS-6083
             Project: Hadoop HDFS
          Issue Type: Test
            Reporter: Ted Yu
            Priority: Minor


>From 
>https://builds.apache.org/job/Hadoop-Hdfs-trunk/1695/testReport/junit/org.apache.hadoop.hdfs.qjournal.client/TestQuorumJournalManager/testChangeWritersLogsOutOfSync2/
> :
{code}
Leaked thread: "IPC Client (26533782) connection to /127.0.0.1:57898 from 
jenkins" Id=590 RUNNABLE
 at java.lang.System.arraycopy(Native Method)
 at java.lang.ThreadGroup.remove(ThreadGroup.java:885)
 at java.lang.Thread.exit(Thread.java:672)
{code}
The following check should give more time for the threads to shutdown:
{code}
    // Should not leak clients between tests -- this can cause flaky tests.
    // (See HDFS-4643)
    GenericTestUtils.assertNoThreadsMatching(".*IPC Client.*");
{code}



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