Hi,
I am trying to create a jndi Browser for JBOSS (as layed out in the book "mastering ejb" by Ed Roman).
I am getting an java.lang.NullPointerException whenever i try to perform any of the operations. I am getting the initial context ok but i think there is a problem with the way i am getting a starting point in the registry (line 3 below)

1.parser = ctx.getNameParser("localhost:1099");
2.parser = ctx.getNameParser("");
3.currName = parser.parse("");

the 'currName' variable is passed to the different operations like mkdir (below)

private void mkdir(String str) throws Exception {
try{
System.out.println("Starting mkdir");
Context currCtx = (Context) ctx.lookup((Name)currName);
currCtx.createSubcontext(str);
}

Has anybody any ideas as to why this isn't working?
Thanks,
P.