Peter Cseh commented on OOZIE-2621:

Thanks for the info and the tip!
After removing that line, I've found these in the logs: 
This I can handle:
1,211 rows selected (1.094 seconds)
Error: java.lang.NoClassDefFoundError: org/apache/commons/lang3/tuple/Pair 
Closing: 0: jdbc:hive2://localhost:61812/
Intercepting System.exit(2)

This is disturbing, but I don't know what to do with it:
Oct 17, 2016 10:42:47 PM com.google.inject.servlet.GuiceFilter setPipeline
WARNING: Multiple Servlet injectors detected. This is a warning indicating that 
you have more than one GuiceFilter running in your web application. If this is 
deliberate, you may safely ignore this message. If this is NOT deliberate 
however, your application may not work as expected.

> Use hive-exec-<version>-core instead of hive-exec in oozie-core
> ---------------------------------------------------------------
>                 Key: OOZIE-2621
>                 URL: https://issues.apache.org/jira/browse/OOZIE-2621
>             Project: Oozie
>          Issue Type: Bug
>            Reporter: Peter Cseh
>            Assignee: Peter Cseh
>         Attachments: OOZIE-2621.001.patch
> hive-exec.jar contains the dependencies of Hive and they can cause issues on 
> the classpath: HIVE-1640, HIVE-5733
> We've ran into and issue when Oozie won't start because of different Jackson 
> versions.
> We should use hive-exec-core.jar (HIVE-7423) instead of hive-exec.jar which 
> is a thin version of hive-exec.jar 
> Pig is already using hive-exec-core: 
> https://github.com/apache/pig/blob/spark/ivy.xml#L423

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