I added the classloader System.outs specified above and I get this output when trying to access the EJB: 11:46:07,954 INFO [STDOUT] Object returned was loaded by: org.jboss.mx.loading.UnifiedClassLoader3@115875d{ url=null ,addedOrder=2} | 11:46:07,954 INFO [STDOUT] MyHome class in the servlet was loaded by: WebappClassLoader | delegate: false | repositories: | /WEB-INF/classes/ | ----------> Parent Classloader: | java.net.FactoryURLClassLoader@41254ec | I get this result when I perform the EJB lookup using this: iiop://server1:3528/interop.InteropHome when I was simply using iiop://interop.InteropHome I was getting a message like this: 11:26:12,021 WARN [address] init_host, interop.InteropHome unresolvable when I googled that message, minus the interop.InteropHome text, I found a link to some jacorb source code and found that for interop.InteropHome to appear in the warning message, the code thinks that I am specifying a URL and it's trying to determine the host addr. That led me to believe that the lookup for the EJB required me to add server and host information. I don't know if that's true but when I added it I got a different error. This time I got a NullPointerException in my servlet but there is no line information telling me where the error is. However, because of other debug statements in my code I can tell that it is the following statement: Object bar = PortableRemoteObject.narrow( foo, InteropHome.class ); foo isn't null so I don't know why that exception is being thrown, it must be something deeper. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4051018#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...