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From "Uma Maheswara Rao G (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-5725) NPE in
Date Thu, 05 Apr 2012 13:13:23 GMT

    [ https://issues.apache.org/jira/browse/HBASE-5725?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13247201#comment-13247201
] 

Uma Maheswara Rao G commented on HBASE-5725:
--------------------------------------------

More info:

{quote}
2012-04-05 18:35:14,860 WARN  [IPC Client (47) connection to umamahesh.com/xx.xx.xx.127:1109
from U72686.hfs.4] ipc.HBaseClient$Connection(510): Unexpected exception receiving call responses
java.lang.NullPointerException
	at org.apache.hadoop.hbase.ipc.HBaseClient$Connection.receiveResponse(HBaseClient.java:566)
	at org.apache.hadoop.hbase.ipc.HBaseClient$Connection.run(HBaseClient.java:507)
2012-04-05 18:35:14,860 WARN  [RegionServer:4;umamahesh.china.huawei.com,1478,1333631106094-splits-1333631113219]
client.HConnectionManager$HConnectionImplementation(1894): Failed all from region=.META.,,1.1028785192,
hostname=umamahesh.china.huawei.com, port=1109
java.util.concurrent.ExecutionException: java.io.IOException: Call to umamahesh.com/xx.xx.xx.127:1109
failed on local exception: java.io.IOException: Unexpected exception receiving call responses
	at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:222)
	at java.util.concurrent.FutureTask.get(FutureTask.java:83)
	at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatchCallback(HConnectionManager.java:1864)
	at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatch(HConnectionManager.java:1715)
	at org.apache.hadoop.hbase.client.HTable.flushCommits(HTable.java:955)
	at org.apache.hadoop.hbase.client.HTable.doPut(HTable.java:811)
	at org.apache.hadoop.hbase.client.HTable.put(HTable.java:786)
	at org.apache.hadoop.hbase.catalog.MetaEditor.put(MetaEditor.java:100)
	at org.apache.hadoop.hbase.catalog.MetaEditor.putToMetaTable(MetaEditor.java:67)
	at org.apache.hadoop.hbase.catalog.MetaEditor.offlineParentInMeta(MetaEditor.java:189)
	at org.apache.hadoop.hbase.regionserver.SplitTransaction.createDaughters(SplitTransaction.java:319)
	at org.apache.hadoop.hbase.regionserver.SplitTransaction.execute(SplitTransaction.java:452)
	at org.apache.hadoop.hbase.regionserver.SplitRequest.run(SplitRequest.java:69)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
	at java.lang.Thread.run(Thread.java:619)
{quote}
                
> NPE in 
> -------
>
>                 Key: HBASE-5725
>                 URL: https://issues.apache.org/jira/browse/HBASE-5725
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Uma Maheswara Rao G
>
> When i am running TestSplitTransactionOnCluster, it is throwing NPE from HBaseClient

> HBaseClient:
>  
> RpcResponse response = RpcResponse.parseDelimitedFrom(in);
>  int id = response.getCallId();
> The above code throws NPE.

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