[jira] [Created] (HDFS-2330) Stream exceptions in stream closures in NNStorage.java can mask root exceptions.

["Uma Maheswara Rao G (JIRA)" <ji...@apache.org>]

Stream exceptions in stream closures in NNStorage.java can mask root exceptions.
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                 Key: HDFS-2330
                 URL: https://issues.apache.org/jira/browse/HDFS-2330
             Project: Hadoop HDFS
          Issue Type: Sub-task
          Components: name-node
    Affects Versions: 0.24.0
            Reporter: Uma Maheswara Rao G
            Assignee: Uma Maheswara Rao G


In NNStorage.java:
  There are many stream closures in finally block. 
  There is a chance that they can can mask the root exceptions.

So, better to follow the pattern like below:

  try{
     ............
     ............
     stream.close();
     stream =null;
   }
   finally{
     IOUtils.cleanup(LOG, stream);
   }


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