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From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-4006) TestCheckpoint#testSecondaryHasVeryOutOfDateImage occasionally fails due to unexpected exit
Date Sat, 06 Oct 2012 00:04:09 GMT

     [ https://issues.apache.org/jira/browse/HDFS-4006?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Todd Lipcon updated HDFS-4006:
------------------------------

    Attachment: test-log.txt

Actually managed to find an instance on our internal jenkins where this had failed. As suspected
above, the error actually occurred on testSecondaryFailsWithErrorBeforeSettingHeaders and
then ended up showing up as a failure for testSecondaryHasVeryOutOfDateImage.

The log is from a CDH4 branch but the code should be nearly identical to upstream, so still
useful to help debug.
                
> TestCheckpoint#testSecondaryHasVeryOutOfDateImage occasionally fails due to unexpected
exit
> -------------------------------------------------------------------------------------------
>
>                 Key: HDFS-4006
>                 URL: https://issues.apache.org/jira/browse/HDFS-4006
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: name-node
>    Affects Versions: 2.0.0-alpha
>            Reporter: Eli Collins
>            Assignee: Todd Lipcon
>              Labels: test-fail
>         Attachments: test-log.txt
>
>
> TestCheckpoint#testSecondaryHasVeryOutOfDateImage occasionally fails due to unexpected
exit, due to an NPE while checkpointing. It looks like the background checkpoint fails, conflicts
with the explicit checkpoints done by the tests (note the backtrace is not for the doCheckpoint
calls in the tests.
> {noformat}
> 2012-09-16 01:55:05,901 FATAL hdfs.MiniDFSCluster (MiniDFSCluster.java:shutdown(1355))
- Test resulted in an unexpected exit
> org.apache.hadoop.util.ExitUtil$ExitException: Fatal exception with message null
> stack trace
> java.lang.NullPointerException
> at org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.doCheckpoint(SecondaryNameNode.java:480)
> at org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.doWork(SecondaryNameNode.java:331)
> at org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode$2.run(SecondaryNameNode.java:298)
> at org.apache.hadoop.security.SecurityUtil.doAsLoginUserOrFatal(SecurityUtil.java:452)
> at org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.run(SecondaryNameNode.java:294)
> at java.lang.Thread.run(Thread.java:662)
> {noformat}

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