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Posted to notifications@ctakes.apache.org by "Kim Ebert (JIRA)" <ji...@apache.org> on 2013/02/06 18:15:12 UTC

[jira] [Updated] (CTAKES-151) LVG is not thread safe for multiple instances inside of a single JVM.

     [ https://issues.apache.org/jira/browse/CTAKES-151?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kim Ebert updated CTAKES-151:
-----------------------------

    Attachment: lvg_static_fix.patch

This patch for lvg2010 allows multiple instances to exist inside of a single JVM, but does not account for multiple threads accessing a single instance.
                
> 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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