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From "Pei Chen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CTAKES-151) LVG is not thread safe for multiple instances inside of a single JVM.
Date Fri, 15 Feb 2013 17:27:12 GMT

    [ https://issues.apache.org/jira/browse/CTAKES-151?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13579341#comment-13579341
] 

Pei Chen commented on CTAKES-151:
---------------------------------

Thanks kim for the patch.  Just a FYI: I also communicated this info to 'umlslex@nlm.nih.gov'
(that way, we do not have to maintain a fork of lvg code) which they are currently considering
for their next release (2014).

                
> LVG is not thread safe for multiple instances inside of a single JVM.
> ---------------------------------------------------------------------
>
>                 Key: CTAKES-151
>                 URL: https://issues.apache.org/jira/browse/CTAKES-151
>             Project: cTAKES
>          Issue Type: Sub-task
>          Components: ctakes-lvg
>    Affects Versions: 2.6-incubating, 3.0-incubating, future enhancement, 3.1-incubating
>            Reporter: Kim Ebert
>            Priority: Critical
>         Attachments: lvg_static_fix.patch
>
>
> The LVG library is not thread safe. It uses global variables, so between multiple instances,
the data will become corrupted.

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