EJB 3：从应用程序客户端访问有状态会话bean

I am having some trouble accessing a stateful session bean (SFSB) from an application client. I am using JBoss 5.0.1.GA. The application client and the EJBs are both packaged in an EAR which deploys and I have other application clients which work without problems. So far, I have only used stateless session beans (SLSBs), but as far as I unterstand it, the differences between SLSBs and SFSBs should not affect how they can be accessed from an application client.I am having some trouble accessing a stateful s