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From xeonmailinglist <xeonmailingl...@gmail.com>
Subject Re: tools.DistCp: Invalid arguments
Date Tue, 03 Feb 2015 10:40:43 GMT
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 <xeonmailinglist@gmail.com 
>> <mailto:xeonmailinglist@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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