JApplet communication with CORBA naming service

Question

I have an applet that needs to resolve/bind to object in the CORBA naming service (we are using Orbix2000). The applet is able to establish a socket connection to the host that is running the naming service; however it cannot find the naming service. I have done extensive research on the web (followed the tutorials from the Sun site) and google to no avail. Can anyone shed some light? We have successfully used Orbix2000 with Java apps. This is the first access via an applet.
thanks,
kat
This is the exception I get when running it from NS4.7 browser:
Initializing the ORB CORBA exception: java.lang.NullPointerException java.lang.NullPointerException      at com.iona.corba.art.artimpl.ORBDelegate.resolve_initial_references(ORBDelegate.java:835)      at com.iona.corba.art.artimpl.ORBImpl.resolve_initial_references(ORBImpl.java:203)      at CSGConsole.init(CSGConsole.java:139)      at sun.applet.AppletPanel.run(Unknown Source)      at java.lang.Thread.run(Unknown Source)
This is the applet code snippet
import CLMOperator.*;     // package contains the CORBA client stubs
import org.omg.CosNaming.*;     
import org.omg.CosNaming.NamingContextPackage.*;
import org.omg.CORBA.*;     
     // Create and initialize the CORBA ORB
System.setProperty("org.omg.CORBA.ORBClass","com.iona.corba.art.artimpl.ORBImpl");
     System.setProperty("org.omg.CORBA.ORBSingletonClass","com.iona.corba.art.artimpl.ORBSingleton");
     String[] args = { "-ORBInitRef", "NameService=corbaloc:iiop:sea03s20.ds.boeing.com:3075/NameService" };
     System.out.println( "Initializing the ORB" );
//      ORB orb = ORB.init(this, args);
     Properties props = new Properties();
     props.put("org.omg.CORBA.ORBInitialHost", "sea03s20.ds.boeing.com");     
     props.put("org.omg.CORBA.ORBInitialPort", "3075");     
     ORB orb = ORB.init(this, props);
     // Get the root naming context
     org.omg.CORBA.Object objRef = orb.resolve_initial_references("NameService");
     NamingContext ncRef = NamingContextHelper.narrow( objRef );
     // Resolve the object reference in naming
     NameComponent nc = new NameComponent("CLMOperator", "");
     NameComponent path[] = { nc };
     CLMOperator.CLMOper clmOper = CLMOperator.CLMOperHelper.narrow(ncRef.resolve(path));
     // Call the CLMOperator server object and invoke on the method
     clmOper.Notify(1, 'A');
catch(Exception e) {
     System.out.println("CORBA exception: " + e);
     e.printStackTrace(System.out);

Answer 1

Kat:
I ran into a similar problem. I was wondering if it had anything to do with a security policy between the applet and CORBA, i.e., apllet using the NamingService. To test this, I built a another CORBA Java Client (character interface, not applet) and it works fine. The applet must require something else, like setting a security policy. I sent a query off to someone who manages the Java environment. If I get an answer, I'll post it here.
bfin