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https://issues.apache.org/jira/browse/HADOOP-2338?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jim Kellerman updated HADOOP-2338:
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Attachment: (was: regionserver.log)
> [hbase] NPE in master server
> ----------------------------
>
> Key: HADOOP-2338
> URL: https://issues.apache.org/jira/browse/HADOOP-2338
> Project: Hadoop
> Issue Type: Bug
> Components: contrib/hbase
> Affects Versions: 0.16.0
> Reporter: Jim Kellerman
> Assignee: Jim Kellerman
> Fix For: 0.16.0
>
> Attachments: master.log.gz
>
>
> Master gets an NPE after receiving multiple responses from the same server
> telling the master it has opened a region.
> {code}
> 2007-12-02 20:31:37,515 DEBUG hbase.HRegion - Next sequence id for region
> postlog,img254/577/02suecia024richardburnson0.jpg,1196619667879 is 73377537
> 2007-12-02 20:31:37,517 INFO hbase.HRegion - region
> postlog,img254/577/02suecia024richardburnson0.jpg,1196619667879 available
> 2007-12-02 20:31:39,200 WARN hbase.HRegionServer - Processing message
> (Retry: 0)
> java.io.IOException: java.io.IOException: java.lang.NullPointerException
> at org.apache.hadoop.hbase.HMaster.processMsgs(HMaster.java :1484)
> at org.apache.hadoop.hbase.HMaster.regionServerReport(HMaster.java:1423)
> at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java
> :25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:379)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:596)
> at sun.reflect.NativeConstructorAccessorImpl.newInstance0 (Native Method)
> at
> sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
> at
> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java
> :27)
> at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
> at
> org.apache.hadoop.hbase.RemoteExceptionHandler.decodeRemoteException(RemoteExceptionHandler.java:82)
> at org.apache.hadoop.hbase.RemoteExceptionHandler.checkIOException
> (RemoteExceptionHandler.java:48)
> at org.apache.hadoop.hbase.HRegionServer.run(HRegionServer.java:759)
> at java.lang.Thread.run(Thread.java:619)
> case HMsg.MSG_REPORT_PROCESS_OPEN:
> synchronized ( this.assignAttempts) {
> // Region server has acknowledged request to open region.
> // Extend region open time by 1/2 max region open time.
> **1484** assignAttempts.put(region.getRegionName (),
> Long.valueOf(assignAttempts.get(
> region.getRegionName()).longValue() +
> (this.maxRegionOpenTime / 2)));
> }
> break;
> {code}
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