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From "Hyunsik Choi (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-1327) NPE in HRegionServer$ToDoEntry.access$100
Date Thu, 29 Oct 2009 03:14:59 GMT

    [ https://issues.apache.org/jira/browse/HBASE-1327?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12771268#action_12771268
] 

Hyunsik Choi commented on HBASE-1327:
-------------------------------------

I have experienced the same situation. In my case, this error occurs at master node's region
server.

-----
09/10/29 12:09:28 INFO regionserver.HRegionServer: Telling master at 163.X.X.X :60000 that
we are up
09/10/29 12:09:28 FATAL regionserver.HRegionServer: Unhandled exception. Aborting...
java.lang.NullPointerException
	at org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:459)
	at java.lang.Thread.run(Thread.java:619)
09/10/29 12:09:28 INFO regionserver.HRegionServer: Dump of metrics: request=0.0, regions=0,
stores=0, storefiles=0, storefileIndexSize=0, memstoreSize=0, usedHeap=31, maxHeap=987, blockCacheSize=1700064,
blockCacheFree=205393696, blockCacheCount=0, blockCacheHitRatio=0
09/10/29 12:09:28 INFO ipc.HBaseServer: Stopping server on 60020
09/10/29 12:09:28 INFO ipc.HBaseServer: IPC Server handler 0 on 60020: exiting
09/10/29 12:09:28 INFO ipc.HBaseServer: Stopping IPC Server listener on 60020
09/10/29 12:09:28 INFO ipc.HBaseServer: IPC Server handler 8 on 60020: exiting
09/10/29 12:09:28 INFO ipc.HBaseServer: IPC Server handler 3 on 60020: exiting
09/10/29 12:09:28 INFO ipc.HBaseServer: IPC Server handler 2 on 60020: exiting
09/10/29 12:09:28 INFO ipc.HBaseServer: IPC Server handler 1 on 60020: exiting
09/10/29 12:09:28 INFO ipc.HBaseServer: IPC Server handler 7 on 60020: exiting
09/10/29 12:09:28 INFO ipc.HBaseServer: Stopping IPC Server Responder
09/10/29 12:09:28 INFO ipc.HBaseServer: IPC Server handler 9 on 60020: exiting
09/10/29 12:09:28 INFO ipc.HBaseServer: IPC Server handler 6 on 60020: exiting
09/10/29 12:09:28 INFO ipc.HBaseServer: IPC Server handler 5 on 60020: exiting
09/10/29 12:09:28 INFO ipc.HBaseServer: IPC Server handler 4 on 60020: exiting
09/10/29 12:09:28 INFO regionserver.HRegionServer: Stopping infoServer
09/10/29 12:09:29 INFO regionserver.LogFlusher: regionserver/163.X.X.X:60020.logFlusher exiting
09/10/29 12:09:29 INFO regionserver.MemStoreFlusher: regionserver/163.X.X.X:60020.cacheFlusher
exiting
...

> NPE in HRegionServer$ToDoEntry.access$100
> -----------------------------------------
>
>                 Key: HBASE-1327
>                 URL: https://issues.apache.org/jira/browse/HBASE-1327
>             Project: Hadoop HBase
>          Issue Type: Bug
>    Affects Versions: 0.19.1
>            Reporter: Andrew Purtell
>             Fix For: 0.21.0
>
>
> From hbase-users@:
> From: Rakhi Khatwani
> Subject: Null pointer exception
> My hbase suddenly goes down, when i check the logs, i get the following exception at
master node's region server:
>  
> 2009-04-15 08:37:09,158 FATAL org.apache.hadoop.hbase.regionserver.HRegionServer: Unhandled
exception. Aborting...
> java.lang.NullPointerException
>         at  org.apache.hadoop.hbase.regionserver.HRegionServer$ToDoEntry.access$100(HRegionServer.java:1201)
>         at  org.apache.hadoop.hbase.regionserver.HRegionServer.housekeeping(HRegionServer.java:1058)
>         at  org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:450)
>         at java.lang.Thread.run(Thread.java:619)
> 2009-04-15 08:37:09,159 INFO org.apache.hadoop.hbase.regionserver.HRegionServer: Dump
of metrics: request=27, regions=42, stores=202, storefiles=247, storefileIndexSize=0,  memcacheSize=0,
usedHeap=116, maxHeap=888

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