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From "Doug Cutting (JIRA)" <j...@apache.org>
Subject [jira] Commented: (LUCENE-818) IndexWriter should detect when it's used after being closed
Date Fri, 02 Mar 2007 18:35:51 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-818?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12477399
] 

Doug Cutting commented on LUCENE-818:
-------------------------------------

> Perhaps for close() of an already closed object just do nothing? 

+1 Double-closing is sometimes hard to avoid.  I'd rather have it ignored than force folks
to, e.g., write more complicated exception handlers.


> IndexWriter should detect when it's used after being closed
> -----------------------------------------------------------
>
>                 Key: LUCENE-818
>                 URL: https://issues.apache.org/jira/browse/LUCENE-818
>             Project: Lucene - Java
>          Issue Type: Bug
>          Components: Index
>    Affects Versions: 2.1
>            Reporter: Michael McCandless
>         Assigned To: Michael McCandless
>            Priority: Minor
>         Attachments: LUCENE-818.patch
>
>
> Spinoff from this thread on java-user:
>     http://www.gossamer-threads.com/lists/lucene/java-user/45986
> If you call addDocument on IndexWriter after it's closed you'll hit a
> hard-to-explain NullPointerException (because the RAMDirectory was
> closed).  Before 2.1, apparently you won't hit any exception and the
> IndexWrite will keep running but will have released it's write lock (I
> think).
> I plan to fix IndexWriter methods to throw an IllegalStateException if
> it has been closed.

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