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Posted to users@wicket.apache.org by Paolo Marrone <pa...@gmail.com> on 2009/04/19 19:06:27 UTC
Cometd Servlet mapping for wickestuff-push example
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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Re: Cometd Servlet mapping for wickestuff-push example
Posted by Rodolfo Hansen <kr...@gmail.com>.
On Sun, Apr 19, 2009 at 1:06 PM, Paolo Marrone <pa...@gmail.com>wrote:
> 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>
My apologies, the web.xml is now fixed in the current version.
>
>
>
> 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
>
>
>
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: users-unsubscribe@wicket.apache.org
> For additional commands, e-mail: users-help@wicket.apache.org
>
>
--
Rodolfo Hansen
CEO, KindleIT Software Development
Email: rhansen@kindleit.net
Office: 1 (809) 732-5200
Mobile: 1 (809) 299-7332