I'm using EJB 3.0 spec running on a JBoss platform.
My bean attempts to return a JTree object to a remote client.
The problem is I keep getting a null pointer exception. I know the code
sort of works because I have no problems returning simple types such as

maybe someone could help me at this.
I defined two ejb finder mehtods using xdoclet:
---
 * @ejb.finder

hallo frnds
i m new in JSP programming. i want to run my JSP's on Tomcat. pls any
one can help me how to run JSP's on tomcat. suppose my aplication
folder is named as sampleapps then how to configure it on tomcat.

Hi I have an entity bean which caches data.  It could sit in the
container for a very long time.
This entity bean has references to other similary beans that cache.
Should I get a single reference to the other beans once - on startup or

I haven't downloaded j2ee 1.4 from the Sun Site but have downloaded and
installed JBoss AS.
I'm getting javax.ejb not found errors at compile time. I thought JBoss
already comes with the J2EE api? Is it a classpath thing? or do i need

My entity BMP bean has a cache of data, lets call it encapsulated by my
object 'cache'.
Every now and then I reload the cache - and want to prevent access
during that time (several seconds).

Dovrei sviluppare un sinottico in java qualche idea non so da dove partire
Grazie

All,
I've got a pretty straight forward question that I haven't been able to
find the answer to with regards to stateless session beans and
creation.  My question is, once a clientA invokes a method on a bean

After a lot of debugging I realized that if using Tomcat, a JSP bean
must always be in a package. i.e.
<jsp:useBean id = "bean" scope = "session" class = "packageName.myBean"
/>