[jira] [Created] (HIVE-8090) Potential null pointer reference in WriterImpl#StreamFactory#createStream()

["Ted Yu (JIRA)" <ji...@apache.org>]

Ted Yu created HIVE-8090:
----------------------------

             Summary: Potential null pointer reference in WriterImpl#StreamFactory#createStream()
                 Key: HIVE-8090
                 URL: https://issues.apache.org/jira/browse/HIVE-8090
             Project: Hive
          Issue Type: Bug
            Reporter: Ted Yu


{code}
      switch (kind) {
...
      default:
        modifiers = null;
        break;
      }

      BufferedStream result = streams.get(name);
      if (result == null) {
        result = new BufferedStream(name.toString(), bufferSize,
            codec == null ? codec : codec.modify(modifiers));
{code}
In case modifiers is null and codec is ZlibCodec, there would be NPE in ZlibCodec#modify(EnumSet<Modifier> modifiers) :
{code}
    for (Modifier m : modifiers) {
{code}



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