Hi all,
first of all, I'm sorry for a wicketstuff question posted on this list,
but I cannot find a mailing list for wicketstuff, so I hope someone can
help me.
I'm a happy user of wicket (great framework!), and because I need also
the server-side push feature, I gave a look to the wicketstuff-dojo-1.1
project, that includes an implementation of server-push based on
Dojo-cometd.
I'm able to run the example within the embedded jetty server, without
modifications, but because I need to use Glassfish (it is the servlet
container we use in production), I tried to run the wicketstuff-push
examples on a Glassfish v3 server, but without success.
The problem, in my opinion, depends on the content of web.xml.
This is the original web.xml (it works on jetty, but not on Glassfish):
<web-app id="WebApp_ID">
<display-name>wicketstuff-push-examples</display-name>
<welcome-file-list>
<welcome-file>index.html</welcome-file>
<welcome-file>index.htm</welcome-file>
<welcome-file>index.jsp</welcome-file>
<welcome-file>default.html</welcome-file>
<welcome-file>default.htm</welcome-file>
<welcome-file>default.jsp</welcome-file>
</welcome-file-list>
</web-app>
I added the following lines to web.xml in order to make the application
compatible with wicket:
...
<filter>
<filter-name>PushExamples</filter-name>
<filter-class>
org.apache.wicket.protocol.http.WicketFilter
</filter-class>
<init-param>
<param-name>applicationClassName</param-name>
<param-value>
org.wicketstuff.push.examples.application.ExampleApplication
</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>PushExamples</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
...
with the above new web.xml the webapp apparently seems to work in
Glassfish (I can reach the home page, that contains just a list of links
to launch all the wicketstuff-push examples), but when I try to launch
some Cometd based example, I get the following error:
WicketMessage: Can't instantiate page using constructor public
org.wicketstuff.push.examples.pages.WicketCometdChat(org.apache.wicket.PageParameters)
and argument
Root cause:
javax.servlet.ServletException: Error searching for cometd Servlet
at
org.wicketstuff.push.cometd.CometdAbstractBehavior.getCometdServletPath(CometdAbstractBehavior.java:232)
at
org.wicketstuff.push.cometd.CometdAbstractBehavior.<clinit>(CometdAbstractBehavior.java:28)
at
org.wicketstuff.push.cometd.CometdService.addChannelListener(CometdService.java:74)
at
org.wicketstuff.push.examples.pages.WicketAbstractChat.<init>(WicketAbstractChat.java:49)
at
org.wicketstuff.push.examples.pages.WicketCometdChat.<init>(WicketCometdChat.java:13)
at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
....
It seems that the cometd servlet mapping cannot be found.
My questions are:
- Why the original web.xml can work in jetty? Where does it get the
wicket filter definition, and the cometd servlet mapping?
- Someone tried the wicketstuff-push example on a different servlet
container? If yes, which is the right web.xml file to use?
Please help me.
Thank you
Paolo Marrone
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