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From "Aaron Kimball" <aa...@spinnakerlabs.com>
Subject Re: distcp failing
Date Mon, 08 Sep 2008 23:04:37 GMT
It is likely that you mapred.system.dir and/or fs.default.name settings are
incorrect on the non-datanode machine that you are launching the task from.
These two settings (in your conf/hadoop-site.xml file) must match the
settings on the cluster itself.

- Aaron

On Sun, Sep 7, 2008 at 8:58 PM, Michael Di Domenico
<mdidomenico4@gmail.com>wrote:

> I'm attempting to load data into hadoop (version 0.17.1), from a
> non-datanode machine in the cluster.  I can run jobs and copyFromLocal
> works
> fine, but when i try to use distcp i get the below.  I'm don't understand
> what the error, can anyone help?
> Thanks
>
> blue:hadoop-0.17.1 mdidomenico$ time bin/hadoop distcp -overwrite
> file:///Users/mdidomenico/hadoop/1gTestfile /user/mdidomenico/1gTestfile
> 08/09/07 23:56:06 INFO util.CopyFiles:
> srcPaths=[file:/Users/mdidomenico/hadoop/1gTestfile]
> 08/09/07 23:56:06 INFO util.CopyFiles:
> destPath=/user/mdidomenico/1gTestfile1
> 08/09/07 23:56:07 INFO util.CopyFiles: srcCount=1
> With failures, global counters are inaccurate; consider running with -i
> Copy failed: org.apache.hadoop.ipc.RemoteException: java.io.IOException:
> /tmp/hadoop-hadoop/mapred/system/job_200809072254_0005/job.xml: No such
> file
> or directory
>        at org.apache.hadoop.fs.FileUtil.copy(FileUtil.java:215)
>        at org.apache.hadoop.fs.FileUtil.copy(FileUtil.java:149)
>        at
> org.apache.hadoop.fs.FileSystem.copyToLocalFile(FileSystem.java:1155)
>        at
> org.apache.hadoop.fs.FileSystem.copyToLocalFile(FileSystem.java:1136)
>        at
> org.apache.hadoop.mapred.JobInProgress.<init>(JobInProgress.java:175)
>        at
> org.apache.hadoop.mapred.JobTracker.submitJob(JobTracker.java:1755)
>        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
>        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
>        at java.lang.reflect.Method.invoke(Unknown Source)
>        at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:446)
>        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:896)
>
>        at org.apache.hadoop.ipc.Client.call(Client.java:557)
>        at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:212)
>        at $Proxy1.submitJob(Unknown Source)
>        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>        at
>
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>        at
>
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>        at java.lang.reflect.Method.invoke(Method.java:585)
>        at
>
> org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:82)
>        at
>
> org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:59)
>        at $Proxy1.submitJob(Unknown Source)
>        at org.apache.hadoop.mapred.JobClient.submitJob(JobClient.java:758)
>        at org.apache.hadoop.mapred.JobClient.runJob(JobClient.java:973)
>        at org.apache.hadoop.util.CopyFiles.copy(CopyFiles.java:604)
>        at org.apache.hadoop.util.CopyFiles.run(CopyFiles.java:743)
>        at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
>        at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:79)
>        at org.apache.hadoop.util.CopyFiles.main(CopyFiles.java:763)
>

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