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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Created: (HBASE-3151) NPE when trying to read regioninfo from .META.
Date Tue, 26 Oct 2010 04:51:20 GMT
NPE when trying to read regioninfo from .META.
----------------------------------------------

                 Key: HBASE-3151
                 URL: https://issues.apache.org/jira/browse/HBASE-3151
             Project: HBase
          Issue Type: Bug
            Reporter: stack


This is an old issue perhaps in a new guise.  From the list, Sebastien Bauer reports:

{code}
> 2010-10-25 08:13:01,690 ERROR
> org.apache.hadoop.hbase.master.CatalogJanitor: Caught exception
> java.lang.NullPointerException
> 2010-10-25 08:13:24,385 INFO
> org.apache.hadoop.hbase.master.ServerManager: regionservers=2,
> averageload=2538


> 2010-10-23 20:16:17,890 DEBUG
>  org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation:
>  Cached location for .META.,,1.1028785192 is
>  db2a.goldenline.pl:60020
>  2010-10-23 20:16:18,432 FATAL org.apache.hadoop.hbase.master.HMaster:
>  Unhandled exception. Starting
>  shutdown.
>
>  java.lang.NullPointerException
>
>        at
>  org.apache.hadoop.hbase.util.Writables.getWritable(Writables.java:75)
>
>        at
>  org.apache.hadoop.hbase.util.Writables.getHRegionInfo(Writables.java:119)
>
>        at
>  org.apache.hadoop.hbase.client.MetaScanner$1.processRow(MetaScanner.java:188)
>
>        at
>  org.apache.hadoop.hbase.client.MetaScanner.metaScan(MetaScanner.java:157)
>
>        at
>  org.apache.hadoop.hbase.client.MetaScanner.metaScan(MetaScanner.java:69)
>
>        at
>  org.apache.hadoop.hbase.client.MetaScanner.metaScan(MetaScanner.java:54)
>
>        at
>  org.apache.hadoop.hbase.client.MetaScanner.listAllRegions(MetaScanner.java:195)
>
>       at
>  org.apache.hadoop.hbase.master.AssignmentManager.assignAllUserRegions(AssignmentManager.java:1048)
>
>        at
>  org.apache.hadoop.hbase.master.HMaster.finishInitialization(HMaster.java:379)
>
>        at
>  org.apache.hadoop.hbase.master.HMaster.run(HMaster.java:265)
>
>  2010-10-23 20:16:18,433 INFO org.apache.hadoop.hbase.master.HMaster:
>  Aborting
>
>  2010-10-23 20:16:18,433 DEBUG org.apache.hadoop.hbase.master.HMaster:
>  Stopping service threads
{code}


I think he has an old master... checking.

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