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From "Thomas Koch (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-1283) Support including 3rd party jars supplied in lib/ folder of eclipse project in hadoop jar
Date Wed, 29 Sep 2010 17:08:34 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-1283?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12916204#action_12916204

Thomas Koch commented on MAPREDUCE-1283:

+1 for this issue, however your solution is not that universal. If somebody uses Maven then
there usually isn't a lib/ folder. So it would be better to read out the classpath of the
project and include whatever jars are found in the classpath.
However this could be quite a bit and some jars may already be available on the cluster in
hadoop's classpath, so there needs to be some more configurability: exclude jars, or include
classpath entries in the manifest files if we're certain that some jars are available on the

> Support including 3rd party jars supplied in lib/ folder of eclipse project in hadoop
> -----------------------------------------------------------------------------------------
>                 Key: MAPREDUCE-1283
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1283
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: contrib/eclipse-plugin
>         Environment: Any
>            Reporter: Amit Nithian
>            Priority: Minor
>         Attachments: jarmodule.patch
> Currently, the eclipse plugin only exports the generated class files to the hadoop jar
but if there are any 3rd party jars specified in the lib/ folder, they should also get packaged
in the jar for submission to the cluster. Currently this has to be done manually which can
slow down development. I am working on a patch to the current plugin to support this.

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