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From "Michael McCandless (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (LUCENE-1168) TermVectors index files can become corrupt when autoCommit=false
Date Thu, 07 Feb 2008 21:15:08 GMT

     [ https://issues.apache.org/jira/browse/LUCENE-1168?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Michael McCandless resolved LUCENE-1168.
----------------------------------------

    Resolution: Fixed

> TermVectors index files can become corrupt when autoCommit=false
> ----------------------------------------------------------------
>
>                 Key: LUCENE-1168
>                 URL: https://issues.apache.org/jira/browse/LUCENE-1168
>             Project: Lucene - Java
>          Issue Type: Bug
>          Components: Index
>    Affects Versions: 2.3
>            Reporter: Michael McCandless
>            Assignee: Michael McCandless
>             Fix For: 2.4
>
>         Attachments: LUCENE-1168.patch
>
>
> Spinoff from this thread:
>   http://www.gossamer-threads.com/lists/lucene/java-dev/55951
> There are actually 2 separate cases here, both only happening when
> autoCommit=false:
>   * First issue was caused by LUCENE-843 (sigh): if you add a bunch of
>     docs with no term vectors, such that 1 or more flushes happen;
>     then you add docs that do have term vectors, the tvx file will not
>     have enough entries (= corruption).
>   * Second issue was caused by bulk merging of term vectors
>     (LUCENE-1120 -- only in trunk) and bulk merging of stored fields
>     (LUCENE-1043, in 2.3), and only shows when autoCommit=false, and,
>     the bulk merging optimization runs.  In this case, the code that
>     reads the rawDocs tries to read too far in the tvx/fdx files (it's
>     not really index corruption but rather a bug in the rawDocs
>     reading).

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