posted Sunday, October 21, 2007 11:47 PM -------------------------------------------------------------------------------- I have created an EJB module and a web module. When I try to run EJB from a servlet I get ClassCastException. I do not know why?
I am using myEclipse 6.0 and JBoss 4.2.1 GA application server. I get ClassCastException When I try to narrow after lookup. I have seen many sites but i could not resolve this problem. Can some one help on this? Please find below the code details. jboss.xml ----------------------------------------------- <enterprise-beans> <ejb-name>Hello</ejb-name> <jndi-name>ejb/Hello</jndi-name> <ejb-name>TesterBean</ejb-name> <jndi-name>test/Tester</jndi-name> </enterprise-beans> ejb-jar.xml ----------------------------------------------- <enterprise-beans> <ejb-name>Hello</ejb-name> com.wiley.examples.HelloHome com.wiley.examples.Hello <ejb-class>com.wiley.examples.HelloBean</ejb-class> <session-type>Stateless</session-type> <transaction-type>Container</transaction-type> <display-name>TesterBean</display-name> <ejb-name>TesterBean</ejb-name> com.wiley.examples.TesterHome com.wiley.examples.Tester <ejb-class>com.wiley.examples.TesterEJB</ejb-class> <session-type>Stateless</session-type> <transaction-type>Container</transaction-type> jboss-web.xml ----------------------------------------------------- <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE jboss-web PUBLIC "-//JBoss//DTD Web Application 2.4//EN" "http://www.jboss.org/j2ee/dtd/jboss-web_4_0.dtd";> <jboss-web> <ejb-ref> <ejb-ref-name>ejb/HelloEjb</ejb-ref-name> <jndi-name>ejb/Hello</jndi-name> </ejb-ref> </jboss-web> web.xml ----------------------------------------------------- <ejb-ref> <ejb-ref-name>ejb/HelloEjb</ejb-ref-name> <ejb-ref-type>Session</ejb-ref-type> com.wiley.examples.HelloHome com.wiley.examples.Hello <ejb-link>Hello</ejb-link> </ejb-ref> code from servlet --------------------------------------------------- Properties env = new Properties(); env.put(Context.INITIAL_CONTEXT_FACTORY, "org.jnp.interfaces.NamingContextFactory"); env.put(Context.PROVIDER_URL, "localhost:1099"); env.put(Context.URL_PKG_PREFIXES,"org.jboss.naming rg.jnp.interfaces"); env.put("org.omg.CORBA.ORBInitialHost","localhost"); env.put("org.omg.CORBA.ORBInitialPort","3700"); Context context = new InitialContext(); Object object = context.lookup("java:comp/env/ejb/HelloEjb"); System.out.println(object); HelloHome helloHome = null; if (object != null) { // PortableRemoteObject.narrow(object, HelloHome.class); helloHome = (HelloHome)PortableRemoteObject.narrow(object, HelloHome.class); Hello hello = helloHome.create(); System.out.println(hello.hello()); } I am able to compile entire code but When i excute EJB's I get ClassCastException on PortableRemoteObject.narrow(object, HelloHome.class); Please help. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4098174#4098174 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4098174 _______________________________________________ jboss-user mailing list [email protected] https://lists.jboss.org/mailman/listinfo/jboss-user
