If you are trying to get the ejb which deployed in another application
You lookup should be directly the JNDI name of the ejb.
context.lookup("ejb/HelloHome"); instead of java:comp/env/xxx.
If your EJB in the same application then only you can lookup from the env.
----- Original Message -----
From: "Prashant Gaikwad" <[EMAIL PROTECTED]>
To: "Orion-Interest" <[EMAIL PROTECTED]>
Sent: Tuesday, September 11, 2001 3:26 AM
Subject: Calling EJB From a Servlet..
> HI Friends,
> I'm having a serious problem in my code and am unable to
> understand. I've deployed a simple Hello bean on the orion container and
> want to access it from a servlet. I have the servlet in
>
D:\Oracle\iSuites\j2ee\home\default-web-app\WEB-INF\classes\trg\HelloServlet
> . Following is the code in servlet
>
> try {
>
> trace("In Try");
> Hashtable h = new Hashtable();
>
>
h.put(javax.naming.Context.INITIAL_CONTEXT_FACTORY,"com.evermind.server.rmi.
> RMIInitialContextFactory");
> h.put(javax.naming.Context.SECURITY_PRINCIPAL,
> "ejb");
> h.put(javax.naming.Context.SECURITY_CREDENTIALS,
> "ejbadmin");
>
> h.put(javax.naming.Context.PROVIDER_URL,"ormi://localhost/Hello");
> trace("Before Init Contect ");
> Context context = new InitialContext (h);
> trace("after Initial context");
> Object boundObject =
> context.lookup("java:comp/env/ejb/HelloHome");
> trace("At Trap");
> helloHome = (HelloHome)
> javax.rmi.PortableRemoteObject.narrow(boundObject,HelloHome.class);
> }
> catch (Throwable exception) {
> exception.printStackTrace();
>
> //System.out.println("Look up exception :" +
> exception.toString());
> //throw new ServletException(
> // "Unable to get home interface: " + exception.toString());
> }
>
>
> When I run servlet from browser I get an exception when the Context is
> getting crerated as folloew
>
> D:\Oracle\iSuites\j2ee\home>java -jar orion.jar
> Oracle9iAS (1.0.2.2) Containers for J2EE initialized
> ConstructorBefore TryIn TryBefore Init Contect
> java.lang.NullPointerException: d
> omain was null
> at com.evermind.server.rmi.RMIServer.addNode(RMIServer.java:428)
> at
> com.evermind.server.rmi.RMIServer.getConnection(RMIServer.java:497)
> at
> com.evermind.server.rmi.RMIInitialContextFactory.getInitialContext(RM
> IInitialContextFactory.java:150)
> at javax.naming.spi.NamingManager.getInitialContext(Unknown
Source)
> at javax.naming.InitialContext.getDefaultInitCtx(Unknown Source)
> at javax.naming.InitialContext.init(Unknown Source)
> at javax.naming.InitialContext.<init>(Unknown Source)
> at trg.HelloServlet.init(HelloServlet.java:49)
> at
> com.evermind.server.http.HttpApplication.loadServlet(HttpApplication.
> java:1580)
> at
> com.evermind.server.http.HttpApplication.findServlet(HttpApplication.
> java:3722)
> at
> com.evermind.server.http.HttpApplication.getRequestDispatcher(HttpApp
> lication.java:1995)
> at
> com.evermind.server.http.HttpRequestHandler.processRequest(HttpReques
> tHandler.java:444)
> at
> com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.ja
> va:189)
> at
com.evermind.util.ThreadPoolThread.run(ThreadPoolThread.java:62)
> In _hello
>
>
>
>
> Please let me know where I'm going wrong.
> Thanks in advance
> Prashant
>
>
>
>
>
>
>
>
