Prasanth created WW-4904:
-----------------------------
Summary: 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
When a request is forwarded from one context to another (both using struts2)
you get a ClassCastException. Both the projects has their own struts jars (in
WEB-INF/lib folder).
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.
request.setAttribute("struts.actionMapping", null);
request.setAttribute("struts.valueStack", null);
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
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