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https://issues.apache.org/jira/browse/HDFS-14101?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16700853#comment-16700853
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Ayush Saxena commented on HDFS-14101:
-------------------------------------
Thanks [~kihwal] and [~zvenczel] for the analysis.
I too think that is only the case causing it a failure.The probability of
selecting 1 from total 512 values is quite less.I guess that is why we didn't
see it quite frequently.
Would you mind adding even a small comment there too so as to mention the
reason for choosing two not one.Might be little helpful for some one going
through it in the future. :)
> Random failure of testListCorruptFilesCorruptedBlock
> ----------------------------------------------------
>
> Key: HDFS-14101
> URL: https://issues.apache.org/jira/browse/HDFS-14101
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: test
> Affects Versions: 3.2.0, 3.0.3, 2.8.5
> Reporter: Kihwal Lee
> Assignee: Zsolt Venczel
> Priority: Major
> Labels: newbie
> Attachments: HDFS-14101.01.patch
>
>
> We've seen this occasionally.
> {noformat}
> java.lang.IllegalArgumentException: Negative position
> at sun.nio.ch.FileChannelImpl.write(FileChannelImpl.java:755)
> at org.apache.hadoop.hdfs.server.namenode.
>
> TestListCorruptFileBlocks.testListCorruptFilesCorruptedBlock(TestListCorruptFileBlocks.java:105)
> {noformat}
> The test has a flaw.
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