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Posted to issues@tajo.apache.org by "Jongyoung Park (JIRA)" <ji...@apache.org> on 2014/12/18 08:29:13 UTC

[jira] [Created] (TAJO-1258) Close() derived FileAppender should consider inited state

Jongyoung Park created TAJO-1258:
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             Summary: Close() derived FileAppender should consider inited state
                 Key: TAJO-1258
                 URL: https://issues.apache.org/jira/browse/TAJO-1258
             Project: Tajo
          Issue Type: Bug
          Components: storage
    Affects Versions: 0.9.0
            Reporter: Jongyoung Park
            Assignee: Jongyoung Park
            Priority: Minor
             Fix For: 0.10


As I investigated, many appenders have possibility to cause NPE such as TAJO-1227.

It seems checking null for each variables is ineffective.

Fortunately, FileAppender supports a state variable named 'inited'.

If it is used commonly, things like NPE could be avoided.



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