JNDI bind/rebind and object state question

Question

Hi,
I have an object that is part of an EAR application that is deployed into an app server. I load a Webapp that initializes an object and then binds it to an initial context under java:comp/env setting some initial state.
However, when I access the object from an MDB as part of the EAR application, the state, when retrieved from the same context, was not retained. Here is the code I am using to bind the object to the context:
if (!object.isRunning()) {
       System.out.println("Starting App...");
       object.start();
       try {
           getNamingContext().bind(object);
       } catch (Exception e) {
           System.out.println("Name bound already, rebinding...");
           try {
               getNamingContext().rebind(object);
               e.printStackTrace();
           } catch (Exception e1) {
               e1.printStackTrace();
       System.out.println("Broker started...");
   }When I retrieve the object from the initial context as part of a message received within an MDB, the state is such that the object is always failing the .isRunning method test and subsequently throws an exception.
What am I doing wrong? Is this related to the fact that possibly the WAR and the MDB create duplicate contexts when I expect there to be only one?
Any insight is greatly appreciated.
Thanks,
John

Answer 1

following procedure works fine for now, if there is any straight forward solutions,
that will be helpful.
1) Create the Subcontexts for each of the sub entries in the jndi name tree
2) bind the object to the last entry in the tree.
i.e if the jndi tree name is "one.two.three", and the bind object is Obj
ctx = ctx.createSubcontext("one");
ctx = ctx.createSubcontext("two");
ctx = ctx.bind("three", obj);
Thanks,
Gangs.
"Gangadhar" <[email protected]> wrote:
>
Hi,
I am trying to bind the local object to the Weblogic JNDI, using the
code below.
It works fine if the bind name is a straight forward String(not a tree).
It is
throwing naming Exception when i am trying to bind into a new tree.
Thanks,
Gangs.
//GETTING THE INITIAL CONTEXT:
private Context getInitialContext() throws NamingException {
Properties h = new Properties();
h.put(Context.INITIAL_CONTEXT_FACTORY,
"weblogic.jndi.WLInitialContextFactory");
h.put(Context.SECURITY_PRINCIPAL, "user");
h.put(Context.SECURITY_CREDENTIALS, "password");
h.put(Context.PROVIDER_URL, url);
return new InitialContext(h);
} catch (NamingException ne) {
log("We were unable to get a connection to the WebLogic server
at "+url);
log("Please make sure that the server is running.");
throw ne;
private registerObject()
throws NamingException
// Lookup the beans home using JNDI
Context ctx = getInitialContext();
try{
//This binding works fine.
String bname = "Ganga";
ctx.bind("plainname", bname);
//This one throws an Naming Exception..
ctx.rebind("one.two.three", bname);
} catch(javax.naming.NameAlreadyBoundException nlb){
System.out.print(nlb.getMessage());
System.exit(0);
}catch(javax.naming.directory.InvalidAttributesException iae){
System.out.print(iae.getMessage());
System.exit(0);
}catch(NamingException ne){
System.out.print(ne.getMessage());
System.exit(0);
Exception msg is : Unable to resolve 'one.two.three' Resolved: '' Unresolved:'one'