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https://issues.apache.org/struts/browse/TILES-324?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Antonio Petrelli closed TILES-324.
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Closed due to the release of Tiles 2.0.7.

> Cannot call ClassUtil.setContextClassLoader() with SecurityManager
> ------------------------------------------------------------------
>
>                 Key: TILES-324
>                 URL: https://issues.apache.org/struts/browse/TILES-324
>             Project: Tiles
>          Issue Type: Bug
>          Components: tiles-core
>    Affects Versions: 2.0.6
>            Reporter: Eddy Chan
>            Assignee: Antonio Petrelli
>            Priority: Critical
>             Fix For: 2.0.7, 2.1.1
>
>
> In org.apache.tiles.util.ClassUtil.instantiate(String, boolean), there are 
> two calls to setContextClassLoader for the currentThread.  This causes an 
> issue with a SecurityManager that does not grant the RuntimePermission.  In 
> my situation, since this class is in the webapp, the second call to 
> setContextClassLoader causes an issue, since it is in the finally clause.  
> Two workarounds:
> 1) Remove the calls to setContextClassLoader.  (Not sure the necessity here.)
> 2) Flag whether the first call to setContextClassLoader was originally done, 
> and then conditionally call setContextClassLoader if it was done.

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