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https://issues.apache.org/jira/browse/ISIS-1756?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16220190#comment-16220190
 ] 

Andi Huber commented on ISIS-1756:
----------------------------------

Introduces a new javax.servlet.Filter that extends on 
org.apache.wicket.protocol.http.WicketFilter, which must be configured with 
web.xml.

{code:java}
@Log
public class DomainAppFilter extends WicketFilter {
        
        @Override
        public void init(boolean isServlet, FilterConfig filterConfig) throws 
ServletException {
                
                log.info("DomainAppFilter on init ...");
                super.init(isServlet, filterConfig); 
        }
        
        @Override
        public void destroy() {
                log.info("DomainAppFilter on destroy ...");
                super.destroy();
                IsisContext.testReset();
        }
}
{code}

While IsisContext.testReset() needs a simple fix and could be renamed to 
'destroy()'.




> JEE Support - IsisContext requires proper lifecycling.
> ------------------------------------------------------
>
>                 Key: ISIS-1756
>                 URL: https://issues.apache.org/jira/browse/ISIS-1756
>             Project: Isis
>          Issue Type: Improvement
>    Affects Versions: 1.15.1
>            Reporter: Dan Haywood
>            Assignee: Andi Huber
>             Fix For: 2.0.0
>
>
> as per 
> https://lists.apache.org/thread.html/a815c6d3e50c02111d0cd3df93b70b529c18193f321e613b116119b4@%3Cdev.isis.apache.org%3E
> The isis-context needs a proper lifecycling, meaning a  deploy/undeploy cycle 
> should properly invalidate any state. (e.g meta model validation is currently 
> not cleared after an undeploy, in my case after calling 
> IsisContext.testReset())



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