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From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-2022) NPE in housekeeping kills RS
Date Mon, 07 Dec 2009 23:36:18 GMT

    [ https://issues.apache.org/jira/browse/HBASE-2022?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12787195#action_12787195
] 

Todd Lipcon commented on HBASE-2022:
------------------------------------

patch seems fine to me - we got this error on a cluster as well.

> NPE in housekeeping kills RS
> ----------------------------
>
>                 Key: HBASE-2022
>                 URL: https://issues.apache.org/jira/browse/HBASE-2022
>             Project: Hadoop HBase
>          Issue Type: Bug
>    Affects Versions: 0.20.2
>            Reporter: Jean-Daniel Cryans
>            Assignee: Jean-Daniel Cryans
>            Priority: Critical
>             Fix For: 0.20.3, 0.21.0
>
>         Attachments: HBASE-2022-v2.patch, HBASE-2022.patch
>
>
> Saw this on Zhenyu's 0.20.1 cluster (which for some weird reason seems to have many issues):
> {code}
> 2009-11-30 16:44:48,170 FATAL org.apache.hadoop.hbase.regionserver.HRegionServer: Unhandled
exception. Aborting...
> java.lang.NullPointerException
> 	at org.apache.hadoop.hbase.regionserver.HRegionServer.housekeeping(HRegionServer.java:1280)
> 	at org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:590)
> 	at java.lang.Thread.run(Thread.java:619)
> {code}
> This reminds me of HBASE-1386 and in fact this could be the same issue (but I can't confirm).
Searching on the web gives me some hits and this is particularly interesting http://forums.sun.com/thread.jspa?threadID=5379669

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