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From Giri P <gpatc...@gmail.com>
Subject Re: tools.DistCp: Invalid arguments
Date Fri, 10 Jul 2015 23:40:31 GMT
so ,there is no need to explicitly do checksum on source and target after
we migrate.

I was thinking of using comparechecksum in distcpUtils to compare after
migration

On Fri, Jul 10, 2015 at 4:20 PM, Harsh J <harsh@cloudera.com> wrote:

> Yes, if the length matches and if you haven't specifically asked it to
> ignore checksums.
>
>
> On Thursday, July 9, 2015, Giri P <gpatcham@gmail.com> wrote:
>
>> will distcp do checksum after it copied the data to target ?
>>
>> On Tue, Feb 3, 2015 at 4:15 AM, Artem Ervits <artemervits@gmail.com>
>> wrote:
>>
>>> Another good option is hftp.
>>>
>>> Artem Ervits
>>> On Feb 3, 2015 6:42 AM, "xeonmailinglist" <xeonmailinglist@gmail.com>
>>> wrote:
>>>
>>>>  I have found the problem. I started to use `webhdfs` and everything is
>>>> ok.
>>>>
>>>>
>>>> On 03-02-2015 10:40, xeonmailinglist wrote:
>>>>
>>>>  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>
>>>> 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 distcp hdfs://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,
>>>> ​
>>>>
>>>>
>>>>  ​
>>>>
>>>>
>>>>
>>
>
> --
> Harsh J
>

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