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https://issues.apache.org/jira/browse/GIRAPH-136?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13198050#comment-13198050
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Jakob Homan commented on GIRAPH-136:
------------------------------------

Yeah, I had seen that as well.  It's a bit of a different issue.  This happens 
when one tries to run bin/giraph from the dev environment (without a lib 
directory).  We can add in the giraph jar from /target to the classpath and add 
the complete classpath for dependencies (via maven dependencies:classpath or 
whatever the syntax is), but this will still fail if the jar isn't present.  
This would be a bit messy, but would be in line with other Hadoop ecoystems 
bin/scripts... 

The current JIRA is addressing user experience from the package.  
                
> Erorr message for bin/giraph could be improved
> ----------------------------------------------
>
>                 Key: GIRAPH-136
>                 URL: https://issues.apache.org/jira/browse/GIRAPH-136
>             Project: Giraph
>          Issue Type: Improvement
>    Affects Versions: 0.1.0
>            Reporter: Jakob Homan
>            Assignee: Jakob Homan
>             Fix For: 0.2.0
>
>         Attachments: GIRAPH-136.patch
>
>
> Currently when one just runs bin/giraph without the required jar, the message 
> isn't very helpful:
> {noformat}[tardis giraph-0.1]$ bin/giraph
> Can't find user jar to execute.{noformat}
> It would be better to have a more in-depth message explaining Giraph and what 
> is expected.

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