I’ve checked out the hadoop trunk, and I’m running “mvn test” on the codebase as part of following the “How To Contribute” guide at http://wiki.apache.org/hadoop/HowToContribute. The tests are currently failing in hadoop-mapreduce-client-jobclient, the failure message is below – something to do with org.hadoop.yarn.client and/or the maven surefire plugin. Can anyone suggest how to proceed?  Thanks!




[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO] [snipped SKIPPED test groups]
[INFO] hadoop-mapreduce-client-jobclient ................. FAILURE [13.988s]
[INFO] ------------------------------------------------------------------------
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 17.229s
[INFO] Finished at: Tue Sep 11 09:53:44 BST 2012
[INFO] Final Memory: 21M/163M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-surefire-plugin:2.12:test (default-test) on project hadoop-mapreduce-client-jobclient: Execution default-test of goal org.apache.maven.plugins:maven-surefire-plugin:2.12:test failed: java.lang.reflect.InvocationTargetException; nested exception is java.lang.reflect.InvocationTargetException: null: org/hadoop/yarn/client/YarnClientImpl: org.hadoop.yarn.client.YarnClientImpl -> [Help 1]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/PluginExecutionException

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