调试ejb的错误,很奇怪哦?

这个程序是我在jbuilder集成weblogic中开发的,在jbuilder中测试成功,并将ejb成功发布到服务器中了,下面是我在命令行使用java命令启动客户端程序(一个简单的测试应用程序),发生的错误,好象是weblogic的专用协议t3和服务器的不兼容,这到底是怎么回事呢?该怎么办呢?
<2005-5-1 下午03时13分54秒> <Info> <ConnectionManager> <Bootstrap unable to get a direct: 'Protocol:
't3''connection to: '0S:127.0.0.1:[7001,-1,-1,-1,-1,-1,-1]' on port: '7001'
java.rmi.ConnectException: Destination unreachable; nested exception is:
java.io.IOException: Empty server reply
at weblogic.rjvm.ConnectionManager.findOrCreateConnection(ConnectionManager.java:1091)
at weblogic.rjvm.ConnectionManager.bootstrap(ConnectionManager.java:365)
at weblogic.rjvm.ConnectionManager.bootstrap(ConnectionManager.java:330)
at weblogic.rjvm.RJVMManager.findOrCreateRemoteInternal(RJVMManager.java:228)
at weblogic.rjvm.RJVMManager.findOrCreate(RJVMManager.java:188)
at weblogic.rjvm.RJVMFinder.findOrCreateRemoteServer(RJVMFinder.java:180)
at weblogic.rjvm.RJVMFinder.findOrCreate(RJVMFinder.java:149)
at weblogic.rjvm.ServerURL.findOrCreateRJVM(ServerURL.java:207)
at weblogic.jndi.WLInitialContextFactoryDelegate.getInitialContext(WLInitialContextFactoryDe
legate.java:235)
at weblogic.jndi.WLInitialContextFactoryDelegate.getInitialContext(WLInitialContextFactoryDe
legate.java:176)
at weblogic.jndi.WLInitialContextFactory.getInitialContext(WLInitialContextFactory.java:123)