You can refer to the Hadoop Map-Reduce Tutorial
On Thu, Sep 18, 2008 at 8:40 PM, Shengkai Zhu <[EMAIL PROTECTED]> wrote:
>
> Your custom implementation of any interface from hadoop-core should be
> archived together with the application (i.e. in the same jar).
> Andt he jar will be added to CLASSPATH of the task runner, then your
> "customwritable.java" could be found.
>
>
> On Thu, Sep 18, 2008 at 8:09 PM, Deepak Diwakar <[EMAIL PROTECTED]>wrote:
>
>> Hi,
>>
>> I am new to hadoop. For my map/reduce task I want to write my on custom
>> writable class. Could anyone please let me know where exactly to place the
>> customwritable.java file?
>>
>> I found that in {hadoop-home}
>> /hadoop-{version}/src/java/org/apache/hadoop/io/ all type of writable
>> class
>> files are there.
>>
>> Then in the main task, we just include "import
>> org.apache.hadoop.io.{X}Writable;" But this is not working for me.
>> Basically
>> at the time of compilation compiler doesn't find my customwritable class
>> which i have placed in the mentioned folder.
>>
>> plz help me in this endevor.
>>
>> Thanks
>> deepak
>>
>
>
>
> --
>
> 朱盛凯
>
> Jash Zhu
>
> 复旦大学软件学院
>
> Software School, Fudan University
>
--
朱盛凯
Jash Zhu
复旦大学软件学院
Software School, Fudan University
