[jira] [Updated] (WW-4904) Support for cross context request processing

["Lukasz Lenart (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/WW-4904?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Lukasz Lenart updated WW-4904:
------------------------------
    Fix Version/s: 6.4.0
                       (was: 6.2.0)

> Support for  cross context request processing
> ---------------------------------------------
>
>                 Key: WW-4904
>                 URL: https://issues.apache.org/jira/browse/WW-4904
>             Project: Struts 2
>          Issue Type: Improvement
>          Components: Dispatch Filter
>    Affects Versions: 2.3.34
>         Environment: Wildlfy 10.1.0
> Struts 2.3.34
> JDK 1.8.0_151
>            Reporter: Prasanth 
>            Priority: Minor
>             Fix For: 6.4.0
>
>
> When a request is forwarded from one context to another (both using struts2)
> {code:java}
> ServletContext sContext = context.getContext("/context2");
> RequestDispatcher rd = sContext.getRequestDispatcher(resource);
> rd.forward(request, response);
> {code}
> you get a {{ClassCastException}}. Both the projects has their own struts jars (in WEB-INF/lib folder).
> {noformat}
> Caused by: java.lang.ClassCastException: org.apache.struts2.dispatcher.mapper.ActionMapping cannot be cast to org.apache.struts2.dispatcher.mapper.ActionMapping
>     at org.apache.struts2.dispatcher.ng.PrepareOperations.findActionMapping(PrepareOperations.java:163)
>     at org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:92)
>     at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61)
>     at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131)
>     at io.undertow.servlet.handlers.FilterHandler.handleRequest(FilterHandler.java:84)
>     at io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:62)
>     at io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36)
>     at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
>     at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
>     at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
>     at io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:274)
>     at io.undertow.servlet.handlers.ServletInitialHandler.dispatchToPath(ServletInitialHandler.java:209)
>     at io.undertow.servlet.spec.RequestDispatcherImpl.forwardImpl(RequestDispatcherImpl.java:221)
>     ... 128 more
> {noformat}
> To make it work you have to have a filter (before struts2 filter) in the application that is receiving the request and have the below two lines. 
> {code:java}
> request.setAttribute("struts.actionMapping", new ActionMapping());
> request.setAttribute("struts.valueStack", null);
> {code}



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