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https://issues.apache.org/jira/browse/HBASE-3376?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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stack resolved HBASE-3376.
--------------------------
Resolution: Duplicate
Duplicate of 'HBASE-3627 NPE in EventHandler when region already reassigned'
> NPE in RegionTransitionData.fromBytes
> -------------------------------------
>
> Key: HBASE-3376
> URL: https://issues.apache.org/jira/browse/HBASE-3376
> Project: HBase
> Issue Type: Bug
> Reporter: stack
> Fix For: 0.90.2
>
>
> From mailing list:
> {code}
> Also, in the RS log I see some NPEs:
> 2010-12-18 04:31:24,043 ERROR org.apache.hadoop.hbase.executor.EventHandler:
> Caught throwable while processing event M_RS_OPEN_REGION
> java.lang.NullPointerException
> at org.apache.hadoop.hbase.util.Writables.getWritable(Writables.java:75)
> at
> org.apache.hadoop.hbase.executor.RegionTransitionData.fromBytes(RegionTransitionData.java:198)
> at
> org.apache.hadoop.hbase.zookeeper.ZKAssign.transitionNode(ZKAssign.java:672)
> at
> org.apache.hadoop.hbase.zookeeper.ZKAssign.transitionNodeOpening(ZKAssign.java:552)
> at
> org.apache.hadoop.hbase.zookeeper.ZKAssign.transitionNodeOpening(ZKAssign.java:545)
> at
> org.apache.hadoop.hbase.regionserver.handler.OpenRegionHandler.transitionZookeeperOfflineToOpening(OpenRegionHandler.java:208)
> at
> org.apache.hadoop.hbase.regionserver.handler.OpenRegionHandler.process(OpenRegionHandler.java:89)
> at org.apache.hadoop.hbase.executor.EventHandler.run(EventHandler.java:151)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:619)
> {code}
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