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From "Jinghui Wang (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MAPREDUCE-5714) TestMRAppComponentDependencies causes surefire to exit without saying proper goodbye
Date Wed, 08 Jan 2014 22:24:51 GMT
Jinghui Wang created MAPREDUCE-5714:
---------------------------------------

             Summary: TestMRAppComponentDependencies causes surefire to exit without saying
proper goodbye
                 Key: MAPREDUCE-5714
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5714
             Project: Hadoop Map/Reduce
          Issue Type: Bug
          Components: test
    Affects Versions: 2.2.0
         Environment: RHEL 6.4 
            Reporter: Jinghui Wang
             Fix For: 2.2.0


When running test TestMRAppComponentDependencies, surefire exits with the following message:


Failed to execute goal org.apache.maven.plugins:maven-surefire-plugin:2.16:test (default-test)
on project hadoop-mapreduce-client-app: ExecutionException; nested exception is java.util.concurrent.ExecutionException:
java.lang.RuntimeException: The forked VM terminated without saying properly goodbye. VM crash
or System.exit called ?

The following code is found in o.a.h.mapreduce.v2.app.MRAppMaster#shutDownJob, which the test
case inherits. So, before the test testComponentStopOrder completes in TestMRAppComponentDependencies,
shutDownJob finishes executing and exits the JVM, thus causing the error. Based on the comment,
the System.exit(0) is there as a workaround for before HADOOP-7140. Since the patch for HADOOP-7140
is committed in branch-2, are we safe to remove the System.exit call now.

    //Bring the process down by force.
    //Not needed after HADOOP-7140
    LOG.info("Exiting MR AppMaster..GoodBye!");
    sysexit();



 



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