[jboss-user] [JNDI and Naming] - Get ejb3 from remote host (jboss 5.1) to jboss 4.x

[Michele Furlan]

Michele Furlan [https://community.jboss.org/people/clanfur] created the discussion

"Get ejb3 from remote host (jboss 5.1) to jboss 4.x"

To view the discussion, visit: https://community.jboss.org/message/646964#646964

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Hi,
I'm trying to get an ejb3 from a remote host (that uses jboss 5.1) inside jboss 4.x. The code I use is the following:

public void myFunction() {
        Properties jndiProps = new Properties();
        jndiProps.setProperty(Context.INITIAL_CONTEXT_FACTORY, "org.jnp.interfaces.NamingContextFactory");
        jndiProps.setProperty(Context.URL_PKG_PREFIXES, "org.jboss.naming:org.jnp.interface");
        jndiProps.setProperty(Context.PROVIDER_URL, "jnp://{*host-ip*}:{*host-jndi-port*}");
        try {
            FooInterface foo = (FooInterface)(new InitialContext(jndiProps)).lookup("{*jndi-name*}");
            foo.doSomething();
        } catch (Exception e) {
            e.printStackTrace();
        }

    }

But doing that, I get a ClassCastException here "FooInterface foo = (FooInterface)(new InitialContext(jndiProps)).lookup("{*jndi-name*}");":

 java.lang.ClassCastException: javax.naming.Reference cannot be cast to my.package.FooInterface
   at com.phi.phirxportal.SecondOpinionRequestBean.myFunction(SecondOpinionRequestBean.java:272)
   at com.phi.phirxportal.SecondOpinionRequestBean.checkExam(SecondOpinionRequestBean.java:170)
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
     at java.lang.reflect.Method.invoke(Method.java:597)
     at org.jboss.el.util.ReflectionUtil.invokeMethod(ReflectionUtil.java:335)

Host ip, jndi name and host jndi port are correct. I can't figure out how to get my FooInterface from a javax.naming.Reference object.
The Reference object toString method returns something like:

Reference Class Name: Proxy for: my.package.FooInterface
Type: ProxyFactoryKey
Content: ProxyFactory/.....
Type: EJB Container Name
Content: jboss.j2ee:ear=xxx.ear,jar=xxx.jar,name=FooBean,service=EJB3
Type: Proxy Factory is Local
Content: false
Type: Remote Business Interface
Content: my.package.FooInterface
Type: Remoting Host URL
Content: socket://hostpcname:3873/?

Is there a way to do that or does it depends on something else (libraries, configuration, jboss version...)?
Thanks in advance.
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