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Date: Thu, 12 Apr 2012 16:15:19 +0000 (UTC)
From: "Andy Seaborne (Updated) (JIRA)" <jira@apache.org>
To: jena-dev@incubator.apache.org
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Subject: [jira] [Updated] (JENA-234) In TDB, namespace data out of sync when
 dataset not closed properly
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     [ https://issues.apache.org/jira/browse/JENA-234?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andy Seaborne updated JENA-234:
-------------------------------

    Attachment: Jena_234.java

Run with TDB development (svn 1325345).
                
> In TDB, namespace data out of sync when dataset not closed properly
> -------------------------------------------------------------------
>
>                 Key: JENA-234
>                 URL: https://issues.apache.org/jira/browse/JENA-234
>             Project: Apache Jena
>          Issue Type: Bug
>          Components: TDB
>    Affects Versions: TDB 0.9.0
>         Environment: Windows 7.  I think this can be repro'ed in any environment
>            Reporter: Nathanael Thompson
>         Attachments: Jena_234.java
>
>
> When a TDB model is not closed properly.  the NodeToId table get's out of sync with the IdToNode table.  This is because writeBuffer in ObjectFileStorage doesn't get written, but the data in the NodeToId table does get written.  This causes the error mentioned in the following email thread: 
> http://mail-archives.apache.org/mod_mbox/incubator-jena-dev/201201.mbox/%3C4F1EE540.5050307@apache.org%3E
> Normally I'd say this isn't a bug because the user should close their models correctly.  But it seems like this should be fixed, because this mistake breaks TDB for all future uses, and possibly forces the user to recreate the whole db.  I'd be fine with just not writing the buffered data to both tables, as long as they're in sync.

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