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From "Kihwal Lee (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-4840) ReplicationMonitor gets NPE during shutdown
Date Thu, 23 May 2013 19:23:20 GMT

    [ https://issues.apache.org/jira/browse/HDFS-4840?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13665521#comment-13665521

Kihwal Lee commented on HDFS-4840:

The test failure was due to HDFS-3267.

I see corrupt blocks getting invalidated in the log. It's either not waiting long enough or
corrupt blocks are fixed too soon.

java.util.concurrent.TimeoutException: Timed out waiting for corrupt replicas. Waiting for
1, but only found 0
	at org.apache.hadoop.hdfs.DFSTestUtil.waitCorruptReplicas(DFSTestUtil.java:379)

> ReplicationMonitor gets NPE during shutdown
> -------------------------------------------
>                 Key: HDFS-4840
>                 URL: https://issues.apache.org/jira/browse/HDFS-4840
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: namenode
>    Affects Versions: 3.0.0, 2.0.5-beta
>            Reporter: Kihwal Lee
>            Assignee: Kihwal Lee
>         Attachments: HDFS-4840.patch.txt
> TestBlocksWithNotEnoughRacks occasionally fails during test tear down because RaplicationMonitor
gets NPE.
> Seen at https://builds.apache.org/job/Hadoop-Hdfs-trunk/1406/.

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