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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-3138) When new master joins running cluster but meta is yanked from it as processing RIT, gets unexpected state
Date Sat, 10 Sep 2011 21:09:12 GMT

     [ https://issues.apache.org/jira/browse/HBASE-3138?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

stack updated HBASE-3138:
-------------------------

    Priority: Major  (was: Blocker)

Marking as major rather than critical.  Can restart the master which is less than ideal but
doubt I'll get to this issue soon enough to do better fix.

> When new master joins running cluster but meta is yanked from it as processing RIT, gets
unexpected state
> ---------------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-3138
>                 URL: https://issues.apache.org/jira/browse/HBASE-3138
>             Project: HBase
>          Issue Type: Bug
>            Reporter: stack
>             Fix For: 0.92.0
>
>
> Testing rolling restart i turned up the following condition.
> Master is joining an extant cluster and is trying to clean up RIT.  Then the server hosting
.META. is shutdown in the middle of it all.  Deal.  Here is exception.
> {code}
> 2010-10-21 06:45:58,592 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Handling
transition=RS_ZK_REGION_OPENED, server=sv2borg187,60020,1287643131919, region=efcd899283e96f20faa317772f52adca
> 2010-10-21 06:45:58,616 FATAL org.apache.hadoop.hbase.master.HMaster: Unhandled exception.
Starting shutdown.
> org.apache.hadoop.ipc.RemoteException: java.io.IOException: Server not running
>     at org.apache.hadoop.hbase.regionserver.HRegionServer.checkOpen(HRegionServer.java:2198)
>     at org.apache.hadoop.hbase.regionserver.HRegionServer.get(HRegionServer.java:1499)
>     at sun.reflect.GeneratedMethodAccessor12.invoke(Unknown Source)
>     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>     at java.lang.reflect.Method.invoke(Method.java:597)
>     at org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:561)
>     at org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:1025)
>     at org.apache.hadoop.hbase.ipc.HBaseClient.call(HBaseClient.java:749)
>     at org.apache.hadoop.hbase.ipc.HBaseRPC$Invoker.invoke(HBaseRPC.java:255)
>     at $Proxy1.get(Unknown Source)
>     at org.apache.hadoop.hbase.catalog.MetaReader.getRegion(MetaReader.java:286)
>     at org.apache.hadoop.hbase.master.AssignmentManager.processRegionInTransition(AssignmentManager.java:250)
>     at org.apache.hadoop.hbase.master.AssignmentManager.processFailover(AssignmentManager.java:209)
>     at org.apache.hadoop.hbase.master.HMaster.finishInitialization(HMaster.java:392)
>     at org.apache.hadoop.hbase.master.HMaster.run(HMaster.java:268)
> 2010-10-21 06:45:58,617 INFO org.apache.hadoop.hbase.master.HMaster: Aborting
> {code}

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