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From Pierre ANCELOT <pierre...@gmail.com>
Subject could only be replicated to 0 nodes, instead of 1
Date Thu, 01 Jul 2010 08:08:26 GMT

Hello everyone :)
Any idea how to troubleshoot this please?
I don't get where this comes from.


2010-07-01 08:29:02,721 WARN org.apache.hadoop.hdfs.DFSClient: DataStreamer
Exception: org.apache.hadoop.ipc.RemoteException: java.io.IOException: File
/acd/Dispatch/data/user100/historyreport/020920360E55A807CECDFC34621E90C5/last
could only be replicated to 0 nodes, instead of 1


	at
org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getAdditionalBlock(FSNamesystem.java:1271)
	at
org.apache.hadoop.hdfs.server.namenode.NameNode.addBlock(NameNode.java:422)
	at sun.reflect.GeneratedMethodAccessor68.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$Server.call(RPC.java:508)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:959)


	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:955)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:396)
	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:953)



	at org.apache.hadoop.ipc.Client.call(Client.java:740)
	at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:220)
	at $Proxy1.addBlock(Unknown Source)
	at sun.reflect.GeneratedMethodAccessor5.invoke(Unknown Source)


	at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at
org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:82)


	at
org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:59)
	at $Proxy1.addBlock(Unknown Source)
	at
org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.locateFollowingBlock(DFSClient.java:2937)


	at
org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.nextBlockOutputStream(DFSClient.java:2819)
	at
org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.access$2000(DFSClient.java:2102)
	at
org.apache.hadoop.hdfs.DFSClient$DFSOutputStream$DataStreamer.run(DFSClient.java:2288)


Thank you.
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