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From "Allistair Crossley" <Allistair.Cross...@QAS.com>
Subject Infinite loop with action mappings
Date Fri, 06 May 2005 14:10:52 GMT
Hi,

I have a catch-all servlet mapping to push all requests to my Struts controller in web.xml;

<servlet-mapping>
  <servlet-name>controller</servlet-name>
  <url-pattern>/*</url-pattern>
</servlet-mapping>

I have 2 action mappings;

<action path="/view" forward="/views/layout.jsp"/>
<action path="/**" type="com.blah.action.PageAction" />

When I request http://www.domain.com/view Struts finds the action mapping and delegates a
forward to /views/layout.jsp. However, /views/layout.jsp is being picked up by the /* servlet
mapping in web.xml and being routed back to Struts. This time because there is no action mapping
for /views/layout.jsp it goes to the wildcard action mapping and that action's tile view is
returned.

This causes an infinite loop in Struts.

Is this more to do with the servlet mapping, or is there something I can instruct Struts to
do with regard to getting that JSP out to the response without causing another call to the
controller?

I need every request to go into the struts framework, but I also need my JSPs to work inside
struts which is not happening right now due to this infinite loop.

Regards, Allistair

2005-05-06 14:48:58,424 - DEBUG (org.apache.struts.action.RequestProcessor:174) - Processing
a 'GET' for path '/view'
2005-05-06 14:48:58,424 - DEBUG (org.apache.struts.action.RequestProcessor:992) -  Delegating
via forward to '/views/layout.jsp'
2005-05-06 14:48:58,424 - DEBUG (org.apache.catalina.core.ApplicationDispatcher:143) - servletPath=,
pathInfo=/views/layout.jsp, queryString=null, name=null
2005-05-06 14:48:58,424 - DEBUG (org.apache.catalina.core.ApplicationDispatcher:370) -  Path
Based Forward
2005-05-06 14:48:58,424 - DEBUG (org.apache.struts.util.ModuleUtils:169) - Get module name
for path 
2005-05-06 14:48:58,424 - DEBUG (org.apache.struts.util.ModuleUtils:193) - Module name found:
default
2005-05-06 14:48:58,424 - DEBUG (org.apache.struts.action.RequestProcessor:174) - Processing
a 'GET' for path '/views/layout.jsp'
2005-05-06 14:48:58,424 - DEBUG (org.apache.struts.config.ActionConfigMatcher:102) - Attempting
to match '/views/layout.jsp' to a wildcard pattern
2005-05-06 14:48:58,424 - DEBUG (org.apache.struts.action.RequestProcessor:257) -  Looking
for Action instance for class com.qas.newmedia.internet.core.page.action.PageAction
2005-05-06 14:48:58,424 - DEBUG (org.apache.struts.action.RequestProcessor:271) -   Returning
existing Action instance


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