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From "Sam Pullara (JIRA)" <j...@apache.org>
Subject [jira] Created: (HBASE-2077) NullPointException with an open scanner that expired causing an immediate region server shutdown
Date Wed, 30 Dec 2009 07:09:29 GMT
NullPointException with an open scanner that expired causing an immediate region server shutdown
------------------------------------------------------------------------------------------------

                 Key: HBASE-2077
                 URL: https://issues.apache.org/jira/browse/HBASE-2077
             Project: Hadoop HBase
          Issue Type: Bug
          Components: regionserver
    Affects Versions: 0.20.2
         Environment: Hadoop 0.20.0, Mac OS X, Java 6
            Reporter: Sam Pullara
             Fix For: 0.20.3


2009-12-29 18:05:55,432 INFO org.apache.hadoop.hbase.regionserver.HRegionServer: Scanner -4250070597157694417
lease expired
2009-12-29 18:05:55,443 ERROR org.apache.hadoop.hbase.regionserver.HRegionServer: 
java.lang.NullPointerException
	at org.apache.hadoop.hbase.KeyValue$KVComparator.compare(KeyValue.java:1310)
	at org.apache.hadoop.hbase.regionserver.KeyValueHeap$KVScannerComparator.compare(KeyValueHeap.java:136)
	at org.apache.hadoop.hbase.regionserver.KeyValueHeap$KVScannerComparator.compare(KeyValueHeap.java:127)
	at org.apache.hadoop.hbase.regionserver.KeyValueHeap$KVScannerComparator.compare(KeyValueHeap.java:117)
	at java.util.PriorityQueue.siftDownUsingComparator(PriorityQueue.java:641)
	at java.util.PriorityQueue.siftDown(PriorityQueue.java:612)
	at java.util.PriorityQueue.poll(PriorityQueue.java:523)
	at org.apache.hadoop.hbase.regionserver.KeyValueHeap.next(KeyValueHeap.java:113)
	at org.apache.hadoop.hbase.regionserver.HRegion$RegionScanner.nextInternal(HRegion.java:1776)
	at org.apache.hadoop.hbase.regionserver.HRegion$RegionScanner.next(HRegion.java:1719)
	at org.apache.hadoop.hbase.regionserver.HRegionServer.next(HRegionServer.java:1944)
	at sun.reflect.GeneratedMethodAccessor13.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$Server.call(HBaseRPC.java:648)
	at org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:915)
2009-12-29 18:05:55,446 INFO org.apache.hadoop.ipc.HBaseServer: IPC Server handler 7 on 55260,
call next(-4250070597157694417, 10000) from 192.168.1.90:54011: error: java.io.IOException:
java.lang.NullPointerException
java.io.IOException: java.lang.NullPointerException
	at org.apache.hadoop.hbase.regionserver.HRegionServer.convertThrowableToIOE(HRegionServer.java:869)
	at org.apache.hadoop.hbase.regionserver.HRegionServer.convertThrowableToIOE(HRegionServer.java:859)
	at org.apache.hadoop.hbase.regionserver.HRegionServer.next(HRegionServer.java:1965)
	at sun.reflect.GeneratedMethodAccessor13.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$Server.call(HBaseRPC.java:648)
	at org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:915)
Caused by: java.lang.NullPointerException
	at org.apache.hadoop.hbase.KeyValue$KVComparator.compare(KeyValue.java:1310)
	at org.apache.hadoop.hbase.regionserver.KeyValueHeap$KVScannerComparator.compare(KeyValueHeap.java:136)
	at org.apache.hadoop.hbase.regionserver.KeyValueHeap$KVScannerComparator.compare(KeyValueHeap.java:127)
	at org.apache.hadoop.hbase.regionserver.KeyValueHeap$KVScannerComparator.compare(KeyValueHeap.java:117)
	at java.util.PriorityQueue.siftDownUsingComparator(PriorityQueue.java:641)
	at java.util.PriorityQueue.siftDown(PriorityQueue.java:612)
	at java.util.PriorityQueue.poll(PriorityQueue.java:523)
	at org.apache.hadoop.hbase.regionserver.KeyValueHeap.next(KeyValueHeap.java:113)
	at org.apache.hadoop.hbase.regionserver.HRegion$RegionScanner.nextInternal(HRegion.java:1776)
	at org.apache.hadoop.hbase.regionserver.HRegion$RegionScanner.next(HRegion.java:1719)
	at org.apache.hadoop.hbase.regionserver.HRegionServer.next(HRegionServer.java:1944)
	... 5 more
2009-12-29 18:05:55,447 WARN org.apache.hadoop.ipc.HBaseServer: IPC Server Responder, call
next(-4250070597157694417, 10000) from 192.168.1.90:54011: output error
2009-12-29 18:05:55,448 INFO org.apache.hadoop.ipc.HBaseServer: IPC Server handler 7 on 55260
caught: java.nio.channels.ClosedChannelException
	at sun.nio.ch.SocketChannelImpl.ensureWriteOpen(SocketChannelImpl.java:126)
	at sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:324)
	at org.apache.hadoop.hbase.ipc.HBaseServer.channelWrite(HBaseServer.java:1125)
	at org.apache.hadoop.hbase.ipc.HBaseServer$Responder.processResponse(HBaseServer.java:615)
	at org.apache.hadoop.hbase.ipc.HBaseServer$Responder.doRespond(HBaseServer.java:679)
	at org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:943)

2009-12-29 18:05:56,322 INFO org.apache.hadoop.ipc.HBaseServer: Stopping server on 55260
2009-12-29 18:05:56,322 INFO org.apache.hadoop.ipc.HBaseServer: Stopping IPC Server listener
on 55260


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