Hello forum,
I deployed a web application into JBoss 4.2.2 GA, and in this web application,
a managed bean will have access to a EJB session bean (remote interface)
deployed in the same JBoss server, but I got this error:
ERROR [STDERR] java.lang.ClassCastException
20:01:44,775 ERROR [STDERR] at
com.sun.corba.se.impl.javax.rmi.PortableRemoteObject.narrow(PortableRemoteObject.java:229)
20:01:44,775 ERROR [STDERR] at
javax.rmi.PortableRemoteObject.narrow(PortableRemoteObject.java:137)
20:01:44,775
.........
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
20:01:44,802 ERROR [STDERR] at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
20:01:44,802 ERROR [STDERR] at
org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:446)
20:01:44,803 ERROR [STDERR] at java.lang.Thread.run(Thread.java:619)
20:01:44,803 ERROR [STDERR] Caused by: java.lang.ClassCastException: $Proxy85
cannot be cast to org.omg.CORBA.Object
20:01:44,804 ERROR [STDERR] at
com.sun.corba.se.impl.javax.rmi.PortableRemoteObject.narrow(PortableRemoteObject.java:212)
The code to get the session bean handler:
Properties env = new Properties( );
env.put(Context.SECURITY_PRINCIPAL, "guest");
env.put(Context.SECURITY_CREDENTIALS, "guest");
env.put(Context.INITIAL_CONTEXT_FACTORY,
"org.jboss.security.jndi.JndiLoginInitialContextFactory");
env.put(Context.PROVIDER_URL, "jnp://localhost:1099");
Context jndi = new InitialContext(env);
Object ref = jndi.lookup("MyBean/remote");
instance = (MyBeanRemote) PortableRemoteObject.narrow(ref,
MyBeanRemote.class);
I can get "ref" from Context, just get error when narrow it. And with the same
code deployed to tomcat, it works fine.
I wonder whether anyone has met with this problem or can see some error in my
code.
Thanks a lot in advance!
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