hadoop-hdfs-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Nishanth S <chinchu2...@gmail.com>
Subject Re: Packaging multiple map reduce jobs into one Jar
Date Wed, 01 Jul 2015 17:04:23 GMT
I agree to what Gabriel said.i avoided setting main class in manifest and
it did work.Thanks.

On Wed, Jul 1, 2015 at 9:25 AM, gabriel balan <gabriel.balan@oracle.com>
wrote:

>  Hi
>
> Adding to Harshit Mathur's reply:
>
> What should be the main class in the manifest file
>
> From what I remember, you must not set that. (i.e. if you set it to
> MyMain1, then you can't use MyMain2)
>
> hth
> Gabriel Balan
>
>
>
> On 7/1/2015 12:02 AM, Harshit Mathur wrote:
>
>    Yes you can do this.
>  You can have multiple main in your jar, so you can run,
>              hadoop jar jarname.jar packagename.classname arguments
>
>             for eg: hadoop jar myJar.jar my.testapp.code1.MyMain1 arg1 arg2
>                       hadoop jar myJar.jar my.testapp.code2.MyMain2 arg1
> arg2
>  BR,
>  Harshit
>
>
>
> On Wed, Jul 1, 2015 at 3:51 AM, Nishanth S <chinchu2884@gmail.com> wrote:
>
>> Hello,
>>
>>  Is there a  way I can package multiple map reduce jobs  into one jar
>> file and  then invoke them using hadoop jar.I am using maven as the build
>> tool.What should be the main class in the manifest file in this case?.
>>
>>  Thanks,
>> Nishan
>>
>
>
>
> --
> Harshit Mathur
>
>
> --
> The statements and opinions expressed here are my own and do not necessarily represent
those of Oracle Corporation.
>
>

Mime
View raw message