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From "Michael McCandless (JIRA)" <j...@apache.org>
Subject [jira] Commented: (LUCENE-1228) IndexWriter.commit() does not update the index version
Date Fri, 14 Mar 2008 08:31:24 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-1228?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12578649#action_12578649
] 

Michael McCandless commented on LUCENE-1228:
--------------------------------------------

{quote}
Does SegmentInfos really need both "version" and "generation"? Is "generation" sufficient?
{quote}
I believe they are in fact redundant.  I tested this with a small change to just return generation
when getVersion is called and all tests pass.  I'll open a new issue.

> IndexWriter.commit()  does not update the index version
> -------------------------------------------------------
>
>                 Key: LUCENE-1228
>                 URL: https://issues.apache.org/jira/browse/LUCENE-1228
>             Project: Lucene - Java
>          Issue Type: Bug
>          Components: Index
>    Affects Versions: 2.4
>            Reporter: Doron Cohen
>            Assignee: Doron Cohen
>         Attachments: lucene-1228-commit-reopen.patch
>
>
> IndexWriter.commit() can update the index *version* and *generation* but the update of
*version* is lost.
> As result added documents are not seen by IndexReader.reopen().
> (There might be other side effects that I am not aware of).
> The fix is 1 line - update also the version in SegmentsInfo.updateGeneration().
> (Finding this line involved more lines though... :-) )

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