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From "Bingbing Liu" <rucb...@gmail.com>
Subject Re: Re: how can i ran the word count example on windows?
Date Thu, 02 Dec 2010 13:57:55 GMT
hi ,arron ,thanks for your reply

i run a single node cassandra instance on linux (IP:10.37.17.231)

but i run the word count in the eclipse on windows with seting the host ip = 10.37.17.231


2010-12-02 



Bingbing Liu 



发件人: aaron morton 
发送时间: 2010-12-02  19:04:13 
收件人: user 
抄送: 
主题: Re: how can i ran the word count example on windows? 
 
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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