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From air <cnwe...@gmail.com>
Subject Fwd: copy data problem
Date Wed, 20 Jul 2011 05:08:51 GMT
---------- Forwarded message ----------
From: air <cnweike@gmail.com>
Date: 2011/7/20
Subject: copy data problem
To: CDH Users <cdh-user@cloudera.org>


I try to copy data from one cluster (CDH3 beta2) to another cluster(CDH3
Update0) but ,,


[root@app3 conf]# hadoop distcp
hdfs://app3:9000/user/hive/warehouse/log_dreamcity/log_pengyoufc/dreamcity_pengyoufc_2011-07-19
hdfs://hmaster:9000/
11/07/20 11:34:09 INFO tools.DistCp:
srcPaths=[hdfs://app3:9000/user/hive/warehouse/log_dreamcity/log_pengyoufc/dreamcity_pengyoufc_2011-07-19]
11/07/20 11:34:09 INFO tools.DistCp: destPath=hdfs://hmaster:9000/
With failures, global counters are inaccurate; consider running with -i
Copy failed: java.io.IOException: Call to hmaster/192.168.2.62:9001 failed
on local exception: java.io.EOFException
        at org.apache.hadoop.ipc.Client.wrapException(Client.java:852)
        at org.apache.hadoop.ipc.Client.call(Client.java:820)
        at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:221)
        at org.apache.hadoop.mapred.$Proxy1.getProtocolVersion(Unknown
Source)
        at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:363)
        at
org.apache.hadoop.mapred.JobClient.createRPCProxy(JobClient.java:470)
        at org.apache.hadoop.mapred.JobClient.init(JobClient.java:455)
        at org.apache.hadoop.mapred.JobClient.<init>(JobClient.java:442)
        at org.apache.hadoop.tools.DistCp.setup(DistCp.java:991)
        at org.apache.hadoop.tools.DistCp.copy(DistCp.java:650)
        at org.apache.hadoop.tools.DistCp.run(DistCp.java:857)
        at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
        at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:79)
        at org.apache.hadoop.tools.DistCp.main(DistCp.java:884)
Caused by: java.io.EOFException
        at java.io.DataInputStream.readInt(DataInputStream.java:375)
        at
org.apache.hadoop.ipc.Client$Connection.receiveResponse(Client.java:569)
        at org.apache.hadoop.ipc.Client$Connection.run(Client.java:477)


can anyone tell what cause the problem , thank you in advance.
-- 
Knowledge Mangement .




-- 
Knowledge Mangement .

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