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From jdh <tianqiu_...@yahoo.com.cn>
Subject Re: Can you help me about how to use hadoop jar?
Date Tue, 14 Jul 2009 06:15:06 GMT

Akhil :
Thank you very much! I will try it.

akhil1988 wrote:
> 
> The steps are given in the apache mapred tutorial. However, I will restate
> them for your case:
> 
> First of all compile your AB.java file and then put all the classes
> generated into a single jar file using
> jar -cvf p.jar AB.class [other class files if any]
> 
> If your AB.java is in a package then run
> javac -cp [path to hadoop jar file] -d jodDirectory AB.java
> jar -cvf p.jar -C jobDirectory/ .
> 
> Now you can run your hadoop job using:
> 
> hadoop jar p.jar  path.to.AB.class.file.in.the.jar.file  [args]
> 
> --Akhil   
> 
> 
> jdh wrote:
>> 
>> Hi, everyone~
>> I have a question about bin/hadoop jar. I do not know where to place the
>> class file. For example, when I used command like this " bin/hadoop jar
>> p.jar AB", it could not run until I placed the AB class in my hadoop dir.
>> Can somebody help me about how to use hadoop jar? 
>> Thanks!
>> 
> 
> 

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