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https://issues.apache.org/jira/browse/WW-4904?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lukasz Lenart updated WW-4904:
------------------------------
Fix Version/s: 6.8.0
(was: 6.7.1)
> 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: 6.8.0
>
>
> 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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