RE: [equinox-dev] GWT+Equinox

["Ricardo Giacomin" <ricardo.giacomin@xxxxxxxxxxxxx>]

This is what I did originally:

1) I created a plug-in wrapping gwt-user.jar and gwt-devwindows.jar (this
plug-in is called equinox.gwt)
2) In this plug-in manifest, I removed javax.servlet.* from exported
packages and appended Eclipse-BuddyPolicy: registered
3) I had a working gwt RPC sample application (pretty much a hello world)
that I converted to a plug-in project (this plug-in is called
equinox.gwt.sample)
4) I checked-out the following plug-ins from dev.eclipse.org (using the
jetty http psf)
   . javax.servlet (v2_4)
   . org.apache.commons.logging (v1_0_4)
   . org.eclipse.equinox.http.jetty
   . org.eclipse.equinox.http.registry
   . org.eclipse.equinox.http.servlet
   . org.mortbay.jetty (5_1_11)
5) In plug-in equinox.gwt.sample I extended
org.eclipse.equinox.http.registry.resources and
org.eclipse.equinox.registry.servlets
6) In manifest file, I appended Eclipse-RegisterBuddy: equinox.gwt

My RemoteServiceServlet is called MyServiceImpl. It is instantiated but a
ClassCastException is thrown when it is assigned to newDelegate, in
SevletManager.initializeDelegate() method.

Ian, if I put javax.servlet plug-in as required to equinox.gwt, I get HTTP
ERROR: 405 HTTP method GET is not supported by this URL. If I put
javax.servlet as required to equinox.gwt.sample, I still get the
ClassCastException.

Jeff, which is the stable version I should get from cvs (instead of using
psf file)? I tried version R3_4 with no success.


Any other hints?

Best,
Ricardo Giacomin



-----Original Message-----
From: equinox-dev-bounces@xxxxxxxxxxx
[mailto:equinox-dev-bounces@xxxxxxxxxxx] On Behalf Of Ian Bull
Sent: Tuesday, September 02, 2008 4:14 PM
To: Equinox development mailing list
Subject: Re: [equinox-dev] GWT+Equinox

Ricardo,

I have this working with GWT 1.5 and Eclipse 3.4, so we know it's 
possible :-).

Have you tried adding javax.servlet to the required plug-ins for GWT? I 
have a GWT bundle, and I noticed that it depends on javax.servlet. If I 
remove this dependency I get the class cast exception.

I also removed all the servlet stuff from Exported Packages list. (See 
the Runtime tab in the Manifest editor).

Cheers,
Ian

Ricardo Giacomin wrote:
>
> Hi there,
>
> I tried to follow the directions from wiki page 
> http://wiki.eclipse.org/index.php/Google_Web_Toolkit_and_Equinox with 
> no success. The problem is that no matter what I do I still get the 
> ClassCastException when the ServletManager tries to instantiate the 
> servlet. It is probably a problem of different servlet API version 
> (2.4 in equinox http and 2.3 in gwt).
>
> I'm using:
>
> GWT 1.5.2
>
> Eclipse 3.4
>
> Jetty Http from 
> http://www.eclipse.org/equinox/server/downloads/jettyhttp-anon.psf
>
> Any hints?
>
> Thank you in advance.
>
> Regards,
>
> Ricardo Giacomin
>
>
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-- 
R. Ian Bull
PhD Candidate, University of Victoria
http://www.ianbull.com
http://irbull.blogspot.com/


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