Lars,

Thank you for your response. Sorry if I was unclear, however, your response did help me understand somethings better. I have some additional issues I'd like to ask your help with...I'll be much more verbose.

You did understand my question correctly: I want my servlet/jsp Tomcat web app to "call" Cocoon to perform presentation layer rendering. I also don't want to have to create a sitemap that encompasses my entire (existing) application just to utilize Cocoon's rendering abilities on these few pages; I only want to use cocoon on a page-by-page basis. Specifically, when I want to render a tabular report I would like to have jsp generate do the data-lookup, create the XML and pipe that to the cocoon engine, which will then transform the document into xhtml.

First of all, is there another way to communicate with cocoon rather than going through the Cocoon servlet? In other words, it sounds as if I can only use the http protocol to communicate with cocoon: the client request first travels through my servlet, which makes requests to cocoon servlet, which matches the URI pattern and does the appropriate processing, which returns the output back to my servlet who kindly renders it to the client. If this is correct, is there another way to do this? (I can do a URL.getContent() or something for testing but I don't know if my architects will approve of this).

Here's some background info:

I'm developing on a win2k box and my application lives in $CATALINA_HOME/webapps/. In contrast to Cocoon's default directory structure, that of my application is as follows:

/src
/web
/web/WEB-INF/
/web/WEB-INF/classes
/web/WEB-INF/data
/web/WEB-INF/lib
/work

I understand about modifying server.xml to point to cocoon's home, currently accessed by visting http://localhost, context element is set to:

Similarly, in the $CATALINA_HOME/conf/server.xml file myApp context is set to:

So, after your response I did a little more digging around and found a reference within "C:cocoon-2.1.7buildwebappsitemap.xmap" to a mount-table.xml file (below):



Within this mount-table.xml file, I should then add:

Which should delegate processing instructions to myApp's subsitemap (c:/eclipse/workspace/myApp/sitemap.xmap). myApp is accessible at http://localhost/myApp/  - since the context is set in the server.xml file - but apparently its not processing the subsitemap file.


I'm attempting now to get access call the cocoon pipeline now and would love to get your feedback/insight into the above, I'd greatly appreciate it. I'm suffering under a pretty heavy proof-of-concept deadline!

Again, thank you.
Jason

On Mon, Jul 11, 2005 at 7:31pm Lars Huttar <[EMAIL PROTECTED]> wrote:
> suplizio wrote:
>
> > Total newbie here. I've spent a great amount of time on the requisite
> > How-to's and tutorials but I am still, however, facing some
> > configuration issues that I could use help with. I have a large,
> > complex servlet-based app using Tomcat 4.1, j2sdk1.4.2_05 and I want
> > to use and Cocoon 2.1.7 to handle all the presentation layer
> > rendering. In managing this, I do not want to go through the Cocoon
> > servlet, but rather would like to continue to manage all session data
> > through our current master servlet.
> >
> > So far, I've discovered that all webapps that use Cocoon must reside
> > in $CATALINA_HOME/webapps/cocoon/. Is there a way to keep my current
> > app at $CATALINA_HOME/webapps/, serve it up as is but only leverage
> > Cocoons rendering capabilities? I hope that makes sense.
> >
> > If someone please point me into a direction where I read about using
> > Cocoon without making my current application entirely a Cocoon app I'd
> > appreciate it.
> >
> > Respect,
> > J
> >
> I'm not sure I understand the whole question, but I can tell you that
> not all Cocoon apps have to reside under $CATALINA_HOME/webapps/cocoon/.
> You can put map:mount entries in your Cocoon sitemap, or in a separate
> mount table, to point to Cocoon apps anywhere. Nor does Cocoon itself
> need to reside in $CATALINA_HOME/webapps/cocoon/; you can set the path
> attribute on the Context element in your Tomcat conf/server.xml file to
> point anywhere.
>
> But I'm not sure what Cocoon apps' location on the disk has to do with
> using your current servlet-based app with Cocoon. As I understand it,
> you want your servlet-based app to "call" Cocoon for presentation layer
> rendering. If your app can do a GET on a URL and receive the response,
> then your app can call Cocoon pipelines, e.g. via
> http://localhost/cocoon/myCocoonRendererApp/params. Then it doesn't
> matter where Cocoon resides on disk, it only matters how Cocoon and
> Tomcat are configured to process URLs.
>
> Am I understanding your question right? If you can elaborate, I can
> probably provide more details.
>
> Lars
>
>
>
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