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From "Weiyan Wang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-3554) TestRaidNode is failing
Date Sun, 24 Jun 2012 03:03:43 GMT

    [ https://issues.apache.org/jira/browse/HDFS-3554?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13400087#comment-13400087
] 

Weiyan Wang commented on HDFS-3554:
-----------------------------------

After hours of debugging, I found the reason for the failure is that JobMonitor gets the following
exception when it check the completeness of one job:
2012-06-23 19:52:18,196 ERROR [org.apache.hadoop.raid.JobMonitor@3515f1d3] raid.JobMonitor
(JobMonitor.java:doMonitor(116)) - JobMonitor exception
java.io.IOException: Job status not available
  at org.apache.hadoop.mapreduce.Job.updateStatus(Job.java:315)
  at org.apache.hadoop.mapreduce.Job.isComplete(Job.java:592)
  at org.apache.hadoop.raid.DistRaid.checkComplete(DistRaid.java:282)
  at org.apache.hadoop.raid.JobMonitor.doMonitor(JobMonitor.java:106)
  at org.apache.hadoop.raid.JobMonitor.run(JobMonitor.java:61)
  at java.lang.Thread.run(Thread.java:619)

But I don't know what causes this. I guess it's mapreduce bug because sometimes I get this
exception while sometimes I don't. Anyone have an idea? Thanks!
                
> TestRaidNode is failing
> -----------------------
>
>                 Key: HDFS-3554
>                 URL: https://issues.apache.org/jira/browse/HDFS-3554
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: contrib/raid, test
>    Affects Versions: 3.0.0
>            Reporter: Jason Lowe
>            Assignee: Weiyan Wang
>
> After MAPREDUCE-3868 re-enabled raid, TestRaidNode has been failing in Jenkins builds.

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