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https://issues.apache.org/jira/browse/HDFS-9466?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15292366#comment-15292366
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Wei-Chiu Chuang commented on HDFS-9466:
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Hello [~cmccabe], would you mind to review it again? Thank you very much!
> 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
> Assignee: Wei-Chiu Chuang
> Attachments: HDFS-9466.001.patch, HDFS-9466.002.patch,
> org.apache.hadoop.hdfs.shortcircuit.TestShortCircuitCache-output.txt
>
>
> 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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