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From "Michael McCandless (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LUCENE-4084) unable to generate a 4.x back compat test index
Date Tue, 29 May 2012 19:46:23 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-4084?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13285056#comment-13285056
] 

Michael McCandless commented on LUCENE-4084:
--------------------------------------------

bq. Basically the issue is that RandomDWPTThreadPool was public, but its pkg-private subclass
had the new interface (Cloneable), and i think this confuses class-use etc etc.

Aha!  OK, thanks for fixing.... I think patch is ready now.
                
> unable to generate a 4.x back compat test index
> -----------------------------------------------
>
>                 Key: LUCENE-4084
>                 URL: https://issues.apache.org/jira/browse/LUCENE-4084
>             Project: Lucene - Java
>          Issue Type: Bug
>          Components: core/index
>            Reporter: Robert Muir
>            Assignee: Michael McCandless
>             Fix For: 4.0
>
>         Attachments: LUCENE-4084.patch, LUCENE-4084.patch
>
>
> It seems the issue is an IWC cannot be used across 2 different indexwriters, because
the DWPTThreadPool is created on the IndexWriterConfig, and you hit a SetOnce exception...
seems like the exception is correct and it would be bad to have two indexwriters sharing the
same DWPTThreadPool?
> stacktrace to follow in a comment.

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