[jira] [Created] (HDFS-9466) TestShortCircuitCache#testDataXceiverCleansUpSlotsOnFailure is flaky

[Wei-Chiu Chuang (JIRA)]

Wei-Chiu Chuang created HDFS-9466:
-------------------------------------

             Summary: 
TestShortCircuitCache#testDataXceiverCleansUpSlotsOnFailure is flaky
                 Key: HDFS-9466
                 URL: https://issues.apache.org/jira/browse/HDFS-9466
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: fs, hdfs-client
            Reporter: Wei-Chiu Chuang


This test is flaky and fails quite frequently in trunk.
Error Message
expected:<1> but was:<2>
Stacktrace
{noformat}
java.lang.AssertionError: expected:<1> but was:<2>
        at org.junit.Assert.fail(Assert.java:88)
        at org.junit.Assert.failNotEquals(Assert.java:743)
        at org.junit.Assert.assertEquals(Assert.java:118)
        at org.junit.Assert.assertEquals(Assert.java:555)
        at org.junit.Assert.assertEquals(Assert.java:542)
        at 
org.apache.hadoop.hdfs.shortcircuit.TestShortCircuitCache$17.accept(TestShortCircuitCache.java:636)
        at 
org.apache.hadoop.hdfs.server.datanode.ShortCircuitRegistry.visit(ShortCircuitRegistry.java:395)
        at 
org.apache.hadoop.hdfs.shortcircuit.TestShortCircuitCache.checkNumberOfSegmentsAndSlots(TestShortCircuitCache.java:631)
        at 
org.apache.hadoop.hdfs.shortcircuit.TestShortCircuitCache.testDataXceiverCleansUpSlotsOnFailure(TestShortCircuitCache.java:684)
{noformat}

Thanks to [~xiaochen] for identifying the issue.



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