What do you mean by no path is given? Even if I launch this command, I get the same error…. What path should I put here?

|$ hadoop distcp hdfs://hadoop-coc-1:50070/input1 hdfs://hadoop-coc-2:50070/input1|

Thanks,

On 02-02-2015 19:59, Alexander Alten-Lorenz wrote:

Have a closer look:

|hdfs://hadoop-coc-2:50070/|

No Path is given.


On 02 Feb 2015, at 20:52, xeonmailinglist <xeonmailingl...@gmail.com <mailto:xeonmailingl...@gmail.com>> wrote:

Hi,

I am trying to copy data using |distcp| but I get this error. Both hadoop runtime are working properly. Why is this happening?

|
vagrant@hadoop-coc-1:~/Programs/hadoop$ hadoop 
distcphdfs://hadoop-coc-1:50070/input1  hdfs://hadoop-coc-2:50070/
15/02/02 19:46:37 ERROR tools.DistCp: Invalid arguments:
java.io.IOException: Failed on local exception: com.google.protobuf.InvalidProtocolBufferException: 
Protocol message end-group tag did not match expected tag.; Host Details : local host is: 
"hadoop-coc-1/127.0.1.1"; destination host is: "hadoop-coc-2":50070;
     at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:772)
     at org.apache.hadoop.ipc.Client.call(Client.java:1472)
     at org.apache.hadoop.ipc.Client.call(Client.java:1399)
     at 
org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:232)
     at com.sun.proxy.$Proxy9.getFileInfo(Unknown Source)
     at 
org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:752)
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
     at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
     at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
     at java.lang.reflect.Method.invoke(Method.java:606)
     at 
org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
     at 
org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
     at com.sun.proxy.$Proxy10.getFileInfo(Unknown Source)
     at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:1988)
     at 
org.apache.hadoop.hdfs.DistributedFileSystem$18.doCall(DistributedFileSystem.java:1118)
     at 
org.apache.hadoop.hdfs.DistributedFileSystem$18.doCall(DistributedFileSystem.java:1114)
     at 
org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
     at 
org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1114)
     at org.apache.hadoop.fs.FileSystem.exists(FileSystem.java:1400)
     at org.apache.hadoop.tools.DistCp.setTargetPathExists(DistCp.java:188)
     at org.apache.hadoop.tools.DistCp.run(DistCp.java:111)
     at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
     at org.apache.hadoop.tools.DistCp.main(DistCp.java:401)
Caused by: com.google.protobuf.InvalidProtocolBufferException: Protocol message 
end-group tag did not match expected tag.
     at 
com.google.protobuf.InvalidProtocolBufferException.invalidEndTag(InvalidProtocolBufferException.java:94)
     at 
com.google.protobuf.CodedInputStream.checkLastTagWas(CodedInputStream.java:124)
     at 
com.google.protobuf.AbstractParser.parsePartialFrom(AbstractParser.java:202)
     at 
com.google.protobuf.AbstractParser.parsePartialDelimitedFrom(AbstractParser.java:241)
     at 
com.google.protobuf.AbstractParser.parseDelimitedFrom(AbstractParser.java:253)
     at 
com.google.protobuf.AbstractParser.parseDelimitedFrom(AbstractParser.java:259)
     at 
com.google.protobuf.AbstractParser.parseDelimitedFrom(AbstractParser.java:49)
     at 
org.apache.hadoop.ipc.protobuf.RpcHeaderProtos$RpcResponseHeaderProto.parseDelimitedFrom(RpcHeaderProtos.java:3167)
     at 
org.apache.hadoop.ipc.Client$Connection.receiveRpcResponse(Client.java:1072)
     at org.apache.hadoop.ipc.Client$Connection.run(Client.java:966)
Invalid arguments: Failed on local exception: com.google.protobuf.InvalidProtocolBufferException: 
Protocol message end-group tag did not match expected tag.; Host Details : local host is: 
"hadoop-coc-1/127.0.1.1"; destination host is: "hadoop-coc-2":50070;
usage: distcp OPTIONS [source_path...] <target_path>
|

Thanks,

​

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