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Posted to common-dev@hadoop.apache.org by "Ted Yu (JIRA)" <ji...@apache.org> on 2014/04/27 17:29:14 UTC

[jira] [Created] (HADOOP-10542) Potential null pointer dereference in Jets3tFileSystemStore#retrieveBlock()

Ted Yu created HADOOP-10542:
-------------------------------

             Summary: Potential null pointer dereference in Jets3tFileSystemStore#retrieveBlock()
                 Key: HADOOP-10542
                 URL: https://issues.apache.org/jira/browse/HADOOP-10542
             Project: Hadoop Common
          Issue Type: Bug
            Reporter: Ted Yu
            Priority: Minor


{code}
      in = get(blockToKey(block), byteRangeStart);
      out = new BufferedOutputStream(new FileOutputStream(fileBlock));
      byte[] buf = new byte[bufferSize];
      int numRead;
      while ((numRead = in.read(buf)) >= 0) {
{code}
get() may return null.
The while loop dereferences in without null check.



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