[jira] [Created] (HADOOP-10395) TestCallQueueManager is flaky

["Arpit Agarwal (JIRA)" <ji...@apache.org>]

Arpit Agarwal created HADOOP-10395:
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             Summary: TestCallQueueManager is flaky
                 Key: HADOOP-10395
                 URL: https://issues.apache.org/jira/browse/HADOOP-10395
             Project: Hadoop Common
          Issue Type: Bug
          Components: test
    Affects Versions: 2.4.0
            Reporter: Arpit Agarwal


{{TestCallQueueManager#testSwapUnderContention}} fails occasionally on a test VM with this assert.
{code}
java.lang.AssertionError: null
	at org.junit.Assert.fail(Assert.java:92)
	at org.junit.Assert.assertTrue(Assert.java:43)
	at org.junit.Assert.assertTrue(Assert.java:54)
	at org.apache.hadoop.ipc.TestCallQueueManager.testSwapUnderContention(TestCallQueueManager.java:193)
{code}

I think the issue is that the assert is probabilistic and although extremely unlikely it is possible for the queue to be intermittently empty while the putters and getters are running.




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