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https://issues.apache.org/jira/browse/CTAKES-151?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15959200#comment-15959200
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Sean Finan commented on CTAKES-151:
-----------------------------------
In addition to the new LVG, there is a new thread-safe singleton that delegates
to a single lvg instance, allowing multiple pipeline threads.
> 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: future enhancement, 3.0-incubating, 3.1.0
> Reporter: Kim Ebert
> Assignee: James Joseph Masanz
> Priority: Critical
> Fix For: 4.0.0
>
> Attachments: ctakes-151.diff, 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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