Esteban Gutierrez created HADOOP-9737:
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             Summary: JarFinder#getJar should delete the jar file upon 
destruction of the JVM
                 Key: HADOOP-9737
                 URL: https://issues.apache.org/jira/browse/HADOOP-9737
             Project: Hadoop Common
          Issue Type: Bug
          Components: util
    Affects Versions: 2.0.0-alpha
            Reporter: Esteban Gutierrez


Once {{JarFinder.getJar()}} is invoked by a client app, it would be really 
useful to destroy the generated JAR after the JVM is destroyed by setting 
{{tempJar.deleteOnExit()}. In order to preserve backwards compatibility a 
configuration setting could be implemented, e.g. 
{{test.build.dir.purge.on.exit}}



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