Github user revans2 commented on a diff in the pull request:

    https://github.com/apache/storm/pull/1744#discussion_r89782717
  
    --- Diff: storm-core/src/clj/org/apache/storm/testing.clj ---
    @@ -242,11 +297,12 @@
             (.stop (:nimbus-thrift-server cluster-map))
             (catch Exception e (log-message "failed to stop thrift")))
           ))
    -  (.close (:state cluster-map))
    -  (.disconnect (:storm-cluster-state cluster-map))
    -  (doseq [s @(:supervisors cluster-map)]
    -    (.shutdownAllWorkers s nil ReadClusterState/THREAD_DUMP_ON_ERROR)
    -    (.close s))
    +  (if (:state cluster-map) (.close (:state cluster-map)))
    --- End diff --
    
    In the current code there are multiple "constructors" for the cluster-map.  
It was not clear to me that I added state everywhere so I decided to be 
defensive in my code (especially because I saw some tests that manipulate maps 
that I though should be internal).  In the next pull request that replaces 
testing.clj etc all of this gets cleaned up.


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