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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HBASE-1707) master fails to reassign region after failed deployment
Date Mon, 27 Jul 2009 03:06:14 GMT

     [ https://issues.apache.org/jira/browse/HBASE-1707?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Andrew Purtell updated HBASE-1707:
----------------------------------

    Attachment: master+regionserver224.rar

> master fails to reassign region after failed deployment
> -------------------------------------------------------
>
>                 Key: HBASE-1707
>                 URL: https://issues.apache.org/jira/browse/HBASE-1707
>             Project: Hadoop HBase
>          Issue Type: Bug
>    Affects Versions: 0.19.1
>            Reporter: Andrew Purtell
>         Attachments: master+regionserver224.rar
>
>
> From a Trend 0.19.3 cluster:
> All the crawlers kept on printing log like this around 11:00 (UTC).
> ================================================
> 09/07/23 11:02:06 ERROR HBaseWriter:112 - org.apache.hadoop.hbase.client.RetriesExhaustedException:
Trying to contact region server Some server for region , row '092501240723072009-0000000000000000308-10.3.134.228-d822aab6a9fdf4c216e397f00cf89d77',
but failed after 11 attempts.
> I think this is caused by regionserver problem; from regionserver log the key should
be online after 10:44
> =========================================
> 2009-07-23 10:44:49,789 INFO org.apache.hadoop.hbase.regionserver.HRegionServer: Worker:
MSG_REGION_OPEN: content,092501240723072009-0000000000000000308-10.3.134.228-a3e3be27683ba154539d1c055890e781,1248345884988:
safeMode=false
> 2009-07-23 10:44:49,789 INFO org.apache.hadoop.hbase.regionserver.HRegion: starting 
compaction on region content,092501240723072009-0000000000000000308-10.3.134.228-746d6fcc693a34536215d76dee0fabee,1248345884988
> 2009-07-23 10:44:49,863 INFO org.apache.hadoop.hbase.regionserver.HRegion: region content,092501240723072009-0000000000000000308-10.3.134.228-a3e3be27683ba154539d1c055890e781,1248345884988/694893409
available
> 2009-07-23 10:44:52,736 WARN org.apache.hadoop.hbase.regionserver.HRegionServer: Processing
message (Retry: 0)
> java.util.ConcurrentModificationException 
>         at java.util.TreeMap$PrivateEntryIterator.nextEntry(TreeMap.java:1100)
>         at java.util.TreeMap$ValueIterator.next(TreeMap.java:1145)
>         at org.apache.hadoop.hbase.regionserver.HStore.getStorefilesIndexSize(HStore.java:2187)
>         at org.apache.hadoop.hbase.regionserver.HRegionServer.doMetrics(HRegionServer.java:948)
>         at org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:338)
>         at java.lang.Thread.run(Thread.java:619)
> =========================================

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