Hi All,
I have 2 node Jboss (version: 4.2.3GA) cluster setup with session stickiness
enabled; apache/mod_jk is front-end loadbalancer.
My application is using dwr for ajax calls at the web layer; when I deploy this
on standalone node and access... it works fine.
When I deploy it on cluster... the session replication is working fine (i.e.,
httpsession data is properly replicated) but, the call to invoke dwr controller
is not triggered on fail-over.
When I print the URL: it is ".htm" as per the definition dwr controller should
trigger "DispatcherServlet" hence invoke "DashBoardController" but, no action
after URL.
web.xml entry:
-----------------
<servlet-name>sample</servlet-name>
<servlet-class>
org.springframework.web.servlet.DispatcherServlet
</servlet-class>
<load-on-startup>1</load-on-startup>
<servlet-mapping>
<servlet-name>sample</servlet-name>
<url-pattern>*.htm</url-pattern>
</servlet-mapping>
------------
I have home page configured thru DWR controller...
entry in the dwr controller xml is:
----------------------
dashboardController
...
/jsp/stboard.jsp
-----------------
The class "DashBoardController" is never called when the request is served from
fail-over node in cluster.
If I call "dash board" from the same node where the session is created then, it
works fine.
the call to dashboard was made form filter.. the code snippet is...
---------
public class DWRFilter implements AjaxFilter {
.......
public Object doFilter(Object obj, Method method, Object[] params,
AjaxFilterChain chain) throws Exception {
....
return chain.doFilter(obj, method, params);
}
......
}
-----------
I validated the session on fail-over node... it is same as parent node (where
the session was created).
Any pointers would be highly appreciated.
Thanks,
Suresh
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