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From aaron morton <aa...@thelastpickle.com>
Subject Re: how can i ran the word count example on windows?
Date Thu, 02 Dec 2010 11:03:36 GMT
chmod is used on linux to change the file permissions. It seems like hadoop links your on linux.


What command are you running to get this error ? 

Aaron

On 2 Dec 2010, at 21:03, Bingbing Liu wrote:

> i use the same configuration in eclispe both on windows and linux , on linux ,it goes
well, but on windows , it fails
>  
> here is the exception information:
>  
>  
> 10/12/02 10:53:40 INFO mapreduce.MRSelect: output reducer type: filesystem
> 10/12/02 10:53:40 INFO jvm.JvmMetrics: Initializing JVM Metrics with processName=JobTracker,
sessionId=
> Exception in thread "main" java.io.IOException: Cannot run program "chmod": CreateProcess
error=2, ϵͳÕҲ»µ½ָ¶
> at java.lang.ProcessBuilder.start(Unknown Source)
> at org.apache.hadoop.util.Shell.runCommand(Shell.java:149)
> at org.apache.hadoop.util.Shell.run(Shell.java:134)
> at org.apache.hadoop.util.Shell$ShellCommandExecutor.execute(Shell.java:286)
> at org.apache.hadoop.util.Shell.execCommand(Shell.java:354)
> at org.apache.hadoop.util.Shell.execCommand(Shell.java:337)
> at org.apache.hadoop.fs.RawLocalFileSystem.execCommand(RawLocalFileSystem.java:481)
> at org.apache.hadoop.fs.RawLocalFileSystem.setPermission(RawLocalFileSystem.java:473)
> at org.apache.hadoop.fs.FilterFileSystem.setPermission(FilterFileSystem.java:280)
> at org.apache.hadoop.fs.FileSystem.mkdirs(FileSystem.java:261)
> at org.apache.hadoop.mapred.JobClient.configureCommandLineOptions(JobClient.java:573)
> at org.apache.hadoop.mapred.JobClient.submitJobInternal(JobClient.java:761)
> at org.apache.hadoop.mapreduce.Job.submit(Job.java:432)
> at org.apache.hadoop.mapreduce.Job.waitForCompletion(Job.java:447)
> at org.clouddb.cassandra.mapreduce.MRSelect.run(MRSelect.java:209)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
> at org.clouddb.cassandra.mapreduce.MRSelect.main(MRSelect.java:54)
> Caused by: java.io.IOException: CreateProcess error=2, ϵͳÕҲ»µ½ָ¶
> at java.lang.ProcessImpl.create(Native Method)
> at java.lang.ProcessImpl.<init>(Unknown Source)
> at java.lang.ProcessImpl.start(Unknown Source)
> ... 17 more
>  
> 2010-12-02
> Bingbing Liu
> 发件人: Jeremy Hanna
> 发送时间: 2010-12-02  11:13:04
> 收件人: user
> 抄送:
> 主题: Re: how can i ran the word count example on windows?
> There isn't currently, but perhaps you could contribute one :).  If you take a look at
the sh script in the bin directory of the word count example, it shouldn't be terribly difficult
to mimic the behavior.  It's mostly just setting up the classpath and executing the Java class
with some arguments.
>  
> On Dec 1, 2010, at 8:26 PM, Bingbing Liu wrote:
> 
>> i don't know how to set the command line
>>  
>> is there a word_count.bat ? like the word_count in the bin on linux?
>>  
>> 2010-12-02
>> Bingbing Liu
> 
> 


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