You can just add the jar to the env variable HADOOP_CLASSPATH
If using bash
Just do this :
Export HADOOP_CLASSPATH=path to your class path on the client
And then use the libjars option.
mahadev
On 10/6/08 2:55 PM, "Tarandeep Singh" <[EMAIL PROTECTED]> wrote:
> thanks Mahadev for the reply.
> So that means I have to copy my jar file in the $HADOOP_HOME/lib folder on
> all slave machines like before.
>
> One more question- I am adding a conf file (just like HADOOP_SITE.xml) via
> -conf option and I am able to query parameters in mapper/reducers. But is
> there a way I can query the parameters in my job driver class -
>
> public class jobDriver extends Configured
> {
> someMethod( )
> {
> ToolRunner.run( new MyJob( ), commandLineArgs);
> // I want to query parameters present in my conf file here
> }
> }
>
> public class MyJob extends Configured implements Tool
> {
> }
>
> Thanks,
> Taran
>
> On Mon, Oct 6, 2008 at 2:46 PM, Mahadev Konar <[EMAIL PROTECTED]> wrote:
>
>> HI Tarandeep,
>> the libjars options does not add the jar on the client side. Their is an
>> open jira for that ( id ont remember which one)...
>>
>> Oyu have to add the jar to the
>>
>> HADOOP_CLASSPATH on the client side so that it gets picked up on the client
>> side as well.
>>
>>
>> mahadev
>>
>>
>> On 10/6/08 2:30 PM, "Tarandeep Singh" <[EMAIL PROTECTED]> wrote:
>>
>>> Hi,
>>>
>>> I want to add a jar file (that is required by mappers and reducers) to
>> the
>>> classpath. Initially I had copied the jar file to all the slave nodes in
>> the
>>> $HADOOP_HOME/lib directory and it was working fine.
>>>
>>> However when I tried the libjars option to add jar files -
>>>
>>> $HADOOP_HOME/bin/hadoop jar myApp.jar -conf $MY_CONF_FILE -libjars
>> jdom.jar
>>>
>>>
>>> I got this error-
>>>
>>> java.lang.NoClassDefFoundError: org/jdom/input/SAXBuilder
>>>
>>> Can someone please tell me what needs to be fixed here ?
>>>
>>> Thanks,
>>> Taran
>>
>>
