[jboss-user] [EJB/JBoss] - could not dereference object when running the EJB

[vitalstrike82]

Hi, 
I'm using jboss4.0.3. I want to reference my jsp page to EJB but get a "could not dereference object" upon running the jsp with this as it went into the catch exception instead of looking up to the EJB: 


try {
  | 			
  | 			objref = initial.lookup("java:comp/env/ejb/MyMusicCart");
  | 			System.out.println("lookup success for ejb/MyMusicCart");
  | 			// a reference to the home interface is shareable
  | 			cartHome = (MusicCartHome)PortableRemoteObject.narrow(objref, MusicCartHome.class);
  | 			System.out.println("created MusicCartHome object");
  | 
  | 		} catch (Exception ex) {
  | 			System.out.println("Unexpected Exception: " +ex.getMessage());	 

My web.xml 
 
  | <ejb-ref> 
  | <ejb-ref-name>ejb/MyMusicCart</ejb-ref-name> 
  | <ejb-ref-type>Session</ejb-ref-type> 
  | asg.MusicCartEJB.MusicCartHome 
  | asg.MusicCartEJB.MusicCart 
  | <ejb-link>ejb-jar-ic.jar#MusicCartBean</ejb-link> 
  | 
  | </ejb-ref>
  | 

Can anyone encounter this problem before? Please help

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