Resending this question with much more info:
Any support yet for a TilesPortletRequestProcessor? Is there any
reason why PortletRequestProcessor couldn't extend
TilesRequestProcessor instead of the base Struts RequestProcessor? I
ran into difficulties using the first Struts Bridge version with Tiles
based apps because Tiles apps use TilesRequestProcessor instead of the
default. Using the old PortletRequestProcessor in struts-config.xml
for Tiles apps yielded exceptions.
I attempted to write a derivative of TilesRequestProcessor similar to
PortletRequestProcessor but I must have missed something and couldn't
get it to work. What I tried was to extend the bridge's
PortletRequestProcessor, adding a private TilesRequestProcessor
instance and overriding in my PortletTilesRequestProcessor class the
methods that org.apache.struts.tiles.TilesRequestProcessor overrides.
My goal was to essentially perform the same operations as
PortletRequetProcessor but also allow the processor to check URIs for
requested tile defs.
>From the TilesRequestProcessor javadocs:
<quote>
catching is done by overloading the following methods:
* processForwardConfig
* internalModuleRelativeForward
* internalModuleRelativeInclude
</quote>
So, I did the same thing in my extention of PortletRequestProcessor,
and simply delegated the above overridden methods to my private
TilesRequestProcessor instance.
Unfortunately, no matter what I tried, I always had
NullPointerExceptions thrown from JetspeedContainerServlet. From
what I can tell, something just isn't right (I believe somehow some
expected javax.portlet attribute(s) are missing in the request object
passed to the container servlet... but as I'm neither a J2 internals
expert nor a Struts/Tiles expert, I'm not quite sure how this
happened.
Any thoughts? Below is the top lines from the stack trace in my
tomcat log. Note I only accessed the context from a .psml page within
J2 (the tilestest.war was deployed within J2).
Thanks in advance,
-Scott Heaberlin
log snippet:
2005-01-21 01:13:38
StandardContext[/tilestest]JetspeedContainerServlet: Error rendering
JetspeedContainerServlet error page: java.lang.NullPointerException
java.lang.NullPointerException
at
org.apache.jetspeed.container.JetspeedContainerServlet.doGet(JetspeedContainerServlet.java:217)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:237)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
at
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:704)
at
org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:590)
at
org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:510)
at
org.apache.jetspeed.container.invoker.ServletPortletInvoker.invoke(ServletPortletInvoker.java:213)
at
org.apache.jetspeed.container.invoker.ServletPortletInvoker.render(ServletPortletInvoker.java:124)
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