Adding Struts 2.1.6 on WAS 6.1 breaks welcome-file in web.xml

["Mitchell, Steven" <St...@umb.com>]

Having learned that form-based authentication currently does not
currently work with Struts 2.1.x on WAS 6.1 or WAS 7 I stepped back to
see what does work. I gutted my web.xml and struts.xml and set about
turning things on one at a time.  This is what I found:

	1. Basic hello world app with only a welcome-file worked.
	2. Adding Spring 2 listener and Sitemesh filter worked.
	3. Adding Struts2 dispatcher breaks the welcome-file!?? 

With Struts 2 enabled, I observed the following:

	Typing http://servername/context/ results in "Error 404: There
is no Action mapped for namespace / and action name ." 
	Typing http://servername/context/index.jsp results is display of
the JSP fully decorated by Sitemesh (that should have been displayed
above).
	Typing http://servername/context/hello (or hello.action)
displays the hello world JSP fully decorated by Sitemesh.
	Typing http://servername/context/helloWorld (or
helloWorld.action) displays the hello world JSP fully decorated by
Sitemesh.

We have com.ibm.ws.webcontainer.invokefilterscompatibility = true.
Attached are my gutted web.xml and struts.xml contents (slightly
obfuscated). 

Why does adding the Struts2 filters break the welcome-file from web.xml?


<?xml version="1.0" encoding="ISO-8859-1"?>
<web-app xmlns="http://java.sun.com/xml/ns/j2ee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"
	version="2.4">
	<display-name>My GUTTED Application</display-name>	
	<context-param>
	
<param-name>javax.servlet.jsp.jstl.fmt.localizationContext</param-name>
		<param-value>ApplicationResources</param-value>
	</context-param>    
    <filter>
        <filter-name>struts2-prepare</filter-name>
        <filter-class>
 
org.apache.struts2.dispatcher.ng.filter.StrutsPrepareFilter</filter-clas
s>
    </filter>   
    <filter>
        <filter-name>sitemesh</filter-name>
 
<filter-class>com.opensymphony.module.sitemesh.filter.PageFilter</filter
-class>
    </filter>    
    <filter>
        <filter-name>struts2-execute</filter-name>
        <filter-class>
 
org.apache.struts2.dispatcher.ng.filter.StrutsExecuteFilter</filter-clas
s>
    </filter>
    <filter-mapping>
        <filter-name>struts2-prepare</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>    
    <filter-mapping>
        <filter-name>sitemesh</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>    
    <filter-mapping>
        <filter-name>struts2-execute</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>  
	<welcome-file-list>
		<welcome-file>index.jsp</welcome-file>
	</welcome-file-list>
	<listener>
	
<listener-class>org.springframework.web.context.ContextLoaderListener</l
istener-class>
	</listener>
</web-app>

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC
    "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN"
    "http://struts.apache.org/dtds/struts-2.1.dtd">
<struts> 
     <package name="base" extends="struts-default" >  
	    <action name="hello"   >
	            <result>/helloworld.jsp</result>
	    </action>
          <action name="helloWorld"
class="com.mypackage.action.HelloWorldAction" >
                <result name="success" type="dispatcher"
>/helloworld.jsp</result>
        </action>
    </package>
</struts>

NOTE: I tested with and without a package namespace of "/". 


Steven C. Mitchell
Byteworks, Inc. <http://www.ByteworksInc.com> 
	


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