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From "Jean-Daniel Cryans (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (HBASE-2293) CME in RegionManager#isMetaServer
Date Sat, 06 Mar 2010 07:03:27 GMT

     [ https://issues.apache.org/jira/browse/HBASE-2293?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jean-Daniel Cryans resolved HBASE-2293.
---------------------------------------

       Resolution: Fixed
    Fix Version/s: 0.21.0
                   0.20.4
     Hadoop Flags: [Reviewed]

Passes all tests, committed to branch and trunk. Thx for the review Stack!

> CME in RegionManager#isMetaServer
> ---------------------------------
>
>                 Key: HBASE-2293
>                 URL: https://issues.apache.org/jira/browse/HBASE-2293
>             Project: Hadoop HBase
>          Issue Type: Bug
>            Reporter: stack
>            Assignee: Jean-Daniel Cryans
>             Fix For: 0.20.4, 0.21.0
>
>         Attachments: HBASE-2293-2.patch, HBASE-2293.patch
>
>
> {code}
> 2010-03-05 14:26:17,990 INFO org.apache.hadoop.ipc.HBaseServer: IPC Server handler 84
on 60000, call regionServerReport(address: 98.137.30.50:60020, startcode: 1267824847596, load:
(requests=0, regions=163, usedHeap=3113, maxHeap=5983), [Lorg.apache.hadoop.hbase.HMsg;@5446315a,
[Lorg.apache.hadoop.hbase.HRegionInfo;@4c5236ef) from 98.137.30.50:48101: error: java.io.IOException:
java.util.ConcurrentModificationException
> java.io.IOException: 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.master.RegionManager.isMetaServer(RegionManager.java:832)
>        at org.apache.hadoop.hbase.master.RegionManager.regionsAwaitingAssignment(RegionManager.java:391)
>        at org.apache.hadoop.hbase.master.RegionManager.assignRegions(RegionManager.java:196)
>        at org.apache.hadoop.hbase.master.ServerManager.processMsgs(ServerManager.java:488)
>        at org.apache.hadoop.hbase.master.ServerManager.processRegionServerAllsWell(ServerManager.java:414)
>        at org.apache.hadoop.hbase.master.ServerManager.regionServerReport(ServerManager.java:323)
>        at org.apache.hadoop.hbase.master.HMaster.regionServerReport(HMaster.java:724)
>        at sun.reflect.GeneratedMethodAccessor2.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$Server.call(HBaseRPC.java:657)
>        at org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:915)
> {code}

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