THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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You can debug into a single unit test in Eclipse by first making sure you've built the Eclipse files as described elsewhere,
and imported the project into Eclipse.
Then set one or more breakpoints, highlight the method name of the junit test method you want to debug into, and
do Run -> Debug.
A test fails with a NullPointerException in MiniDFSCluster
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