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https://issues.apache.org/jira/browse/HDFS-1401?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13038112#comment-13038112
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Matt Foley commented on HDFS-1401:
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As of build 611 (May 23), we see:
TestFileConcurrentReader.testUnfinishedBlockCRCErrorTransferToVerySmallWrite
failed almost every build through 604, but has passed the last five builds in
which auto-test ran. This may be fixed, but needs to still be watched for
intermittent failure.
TestFileConcurrentReader.testUnfinishedBlockCRCErrorNormalTransferVerySmallWrite
and
TestFileConcurrentReader.testUnfinishedBlockCRCErrorNormalTransfer failed
intermittently through build 600, but have not failed since. However, they are
infrequent intermittent, and have been skipping six or eight builds between
failures. They remain on the watch list.
> TestFileConcurrentReader test case is still timing out / failing
> ----------------------------------------------------------------
>
> Key: HDFS-1401
> URL: https://issues.apache.org/jira/browse/HDFS-1401
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: hdfs client
> Affects Versions: 0.22.0
> Reporter: Tanping Wang
> Priority: Critical
> Attachments: HDFS-1401.patch
>
>
> The unit test case, TestFileConcurrentReader after its most recent fix in
> HDFS-1310 still times out when using java 1.6.0_07. When using java
> 1.6.0_07, the test case simply hangs. On apache Hudson build ( which
> possibly is using a higher sub-version of java) this test case has presented
> an inconsistent test result that it sometimes passes, some times fails. For
> example, between the most recent build 423, 424 and build 425, there is no
> effective change, however, the test case failed on build 424 and passed on
> build 425
> build 424 test failed
> https://hudson.apache.org/hudson/job/Hadoop-Hdfs-trunk/424/testReport/org.apache.hadoop.hdfs/TestFileConcurrentReader/
> build 425 test passed
> https://hudson.apache.org/hudson/job/Hadoop-Hdfs-trunk/425/testReport/org.apache.hadoop.hdfs/TestFileConcurrentReader/
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