I want to call an ejb component located on a different machine and I can not
get it to work. So I tried to deploy it under local copy of jboss and try to
invoke it. I was able to call it. So i tried adding Context.PROVIDER_URL with
my localhost set. I always get the ClassCastException. If I am remove the
line from below everything works fine.
String host = "jnp://localhost:1099";
props.setProperty(Context.PROVIDER_URL, host);
2006-11-03 10:17:18,319 ERROR [STDERR] java.lang.ClassCastException
2006-11-03 10:17:18,319 ERROR [STDERR] at
com.sun.corba.se.impl.javax.rmi.PortableRemoteObject.narr
ow(PortableRemoteObject.java:229)
2006-11-03 10:17:18,319 ERROR [STDERR] at
javax.rmi.PortableRemoteObject.narrow(PortableRemoteObjec
t.java:137)
As soon as I uncomment that props.setProperty(Context.PROVIDER_URL, host);
line everything works fine.
I have seen this type of exception before when I tried invoking the ejb on a
different computer as well. When I inspect the object with reflection I see
that it found the right remote home interface.
This is my code:
Properties props = new Properties();
props.setProperty(Context.INITIAL_CONTEXT_FACTORY,"org.jboss.security.jndi.JndiLoginInitialContextFactory");
props.setProperty(Context.SECURITY_PRINCIPAL, "admin");
props.setProperty(Context.SECURITY_CREDENTIALS, "admin");
props.put(javax.naming.Context.URL_PKG_PREFIXES,
"org.jboss.naming:org.jnp.interfaces");
String host = "jnp://localhost:1099";
props.setProperty(Context.PROVIDER_URL, host);
ctx = new InitialContext( props );
Object object = ctx.lookup( "ejb/com/blah/Manager" );
ManagerRemoteHome home = (ManagerRemoteHome)PortableRemoteObject.narrow (
object, ManagerRemoteHome.class);
ManagerRemote manager = home.create();
Thanks
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