IMHO, this behavior defeats the purpose of hot deployment.

If I have a dozen web-apps that all depend on one ejb jar file, and I redeploy that ejb jar file, I shouldn't have to redeploy the other dozen web-apps!

-- Jim

Neal Sanche wrote:
You'll probably see that due to the classloading. I'd suggest packaging your servlets and ejbs into an .ear file. That way both your servlets and your EJBs will use the same classloader, and will be restarted at the same time during hot deployment. I do this, and don't have any problems with classloading.

Cheers.

-Neal

On Friday 25 October 2002 11:24 am, Jaydeep Dhar wrote:

Hi,
I am using jboss 3.0.3 integrated with jetty web server.
I am getting following problem during devlepment of simple
application. 1) I have developed a simple staless session bean and
putted the .jar file in deploy directory. It works fine when i call
it from the servlet but once I change anything thing in EJB and
replace into the deploy directory, it give following error when i
call it from the same servlet. 20:48:44,171 INFO [STDOUT]
GENERAL_EXCEPTIONjava.lang.ClassCastException 20:48:44,203 WARN [jbossweb] WARNING: Exception for /test/servlet/Hello
java.lang.NullPointerException
at Hello.doGet(Hello.java:52)
at
javax.servlet.http.HttpServlet.service(HttpServlet.java:740) at
javax.servlet.http.HttpServlet.service(HttpServlet.java:853)

During replacement of jar it is showing Bean deployed properly. IS
the above problem is due to hot deployement becouse if i restart
the server then everything works fine and the changes in bean also
get reflected.

2) I have created a application directory which basically contain
the jsp file and servlet and placed it into the deploy
directory.when i try to invoke any of the component, the server
doesn't get it and give error. But if I create the war file of that
application and place into the the deploy directory, than it works
fine. Is it necessary to creat war file to run it.


pls respond to above mail as I need it urgently.




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