11:40 a.m.
Trying out simple prototype
---- SETUP ------
enterpriseproject.ear contains
DynamicWebProject.ear
EjbProject.jar
DynamicWebProject.ear contains
SecondServlet
EjbProject.jar contains
ThirdSessionBean (Bean Implementation)
ThirdSession (business interface)
------- ThirdSessionBean Snippet -----
package com.tsb.test;
import javax.ejb.Remote;
import javax.ejb.Stateless;
@Stateless
@Remote(ThirdSession.class)
public class ThirdSessionBean implements ThirdSession{
public String sayHello(String name) {
return "Hello From Third Session Bean " + name + " ";
}
}
------ ThirdSession Snippet -------
package com.tsb.test;
/* This is the business interface */
public interface ThirdSession
{
public String sayHello(String name);
}
--- SecondServlet Snippet -------
final String jndiName = "enterpriseproject/ThirdSessionBean/remote";
try {
Context ic;
ic = new InitialContext();
System.out.println("onject returned is " + ic.lookup(jndiName));
//SecondSessionTestRemote foo = (SecondSessionTestRemote) ic.lookup(jndiName);
// ThirdSession foo = (ThirdSession) ic.lookup(jndiName);
Object foo1 = ic.lookup(jndiName);
org.jboss.ejb3.proxy.JBossProxy zoo = (org.jboss.ejb3.proxy.JBossProxy) foo1;
System.out.println("This works");
ThirdSession foo = (ThirdSession) foo1;
String s = foo.sayHello("Hello Foo on JBoss!");
System.out.println(foo + " echo returned " + s);
} catch (NamingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
--------------------- end of code snippets -------
JNDIView of the EJB is
Global JNDI Namespace
+- ClusteredConnectionFactory (class: org.jboss.jms.client.JBossConnectionFactory)
+- XAConnectionFactory (class: org.jboss.jms.client.JBossConnectionFactory)
+- UserTransactionSessionFactory (proxy: $Proxy83 implements interface
org.jboss.tm.usertx.interfaces.UserTransactionSessionFactory)
+- console (class: org.jnp.interfaces.NamingContext)
| +- PluginManager (proxy: $Proxy81 implements interface
org.jboss.console.manager.PluginManagerMBean)
+- UUIDKeyGeneratorFactory (class:
org.jboss.ejb.plugins.keygenerator.uuid.UUIDKeyGeneratorFactory)
+- enterpriseproject (class: org.jnp.interfaces.NamingContext)
| +- ThirdSessionBean (class: org.jnp.interfaces.NamingContext)
| | +- remote (proxy: $Proxy112 implements interface
com.tsb.test.ThirdSession,interface org.jboss.ejb3.proxy.JBossProxy)
+- topic (class: org.jnp.interfaces.NamingContext)
+- queue (class: org.jnp.interfaces.NamingContext)
| +- ExpiryQueue (class: org.jboss.jms.destination.JBossQueue)
| +- DLQ (class: org.jboss.jms.destination.JBossQueue)
+- ConnectionFactory (class: org.jboss.jms.client.JBossConnectionFactory)
+- UserTransaction (class: org.jboss.tm.usertx.client.ClientUserTransaction)
+- jmx (class: org.jnp.interfaces.NamingContext)
| +- invoker (class: org.jnp.interfaces.NamingContext)
| | +- RMIAdaptor (proxy: $Proxy80 implements interface
org.jboss.jmx.adaptor.rmi.RMIAdaptor,interface org.jboss.jmx.adaptor.rmi.RMIAdaptorExt)
| +- rmi (class: org.jnp.interfaces.NamingContext)
| | +- RMIAdaptor[link -> jmx/invoker/RMIAdaptor] (class: javax.naming.LinkRef)
+- ClusteredXAConnectionFactory (class: org.jboss.jms.client.JBossConnectionFactory)
+- TomcatAuthenticators (class: java.util.Properties)
+- HiLoKeyGeneratorFactory (class:
org.jboss.ejb.plugins.keygenerator.hilo.HiLoKeyGeneratorFactory)
--------------- Eclipse Console -------
12:05:18,856 INFO [JBossASKernel] Created KernelDeployment for: EJBProject.jar
12:05:18,856 INFO [JBossASKernel] installing bean:
jboss.j2ee:ear=enterpriseproject.ear,jar=EJBProject.jar,name=ThirdSessionBean,service=EJB3
12:05:18,856 INFO [JBossASKernel] with dependencies:
12:05:18,856 INFO [JBossASKernel] and demands:
12:05:18,856 INFO [JBossASKernel] jboss.ejb:service=EJBTimerService
12:05:18,857 INFO [JBossASKernel] and supplies:
12:05:18,857 INFO [JBossASKernel] Class:com.tsb.test.ThirdSession
12:05:18,857 INFO [JBossASKernel] jndi:ThirdSessionBean
12:05:18,857 INFO [JBossASKernel]
jndi:enterpriseproject/ThirdSessionBean/remote-com.tsb.test.ThirdSession
12:05:18,857 INFO [JBossASKernel] jndi:enterpriseproject/ThirdSessionBean/remote
12:05:18,857 INFO [JBossASKernel] Added
bean(jboss.j2ee:ear=enterpriseproject.ear,jar=EJBProject.jar,name=ThirdSessionBean,service=EJB3)
to KernelDeployment of: EJBProject.jar
12:05:18,967 INFO [EJBContainer] STARTED EJB: com.tsb.test.ThirdSessionBean ejbName:
ThirdSessionBean
12:05:19,012 INFO [TomcatDeployment] deploy, ctxPath=/DynamicWebProject,
vfsUrl=enterpriseproject.ear/DynamicWebProject.war
12:06:44,247 INFO [TomcatDeployment] undeploy, ctxPath=/DynamicWebProject,
vfsUrl=enterpriseproject.ear/DynamicWebProject.war
12:06:44,256 INFO [EJBContainer] STOPPED EJB: com.tsb.test.ThirdSessionBean ejbName:
ThirdSessionBean
12:06:44,624 INFO [STDOUT] ======> Creating interceptor metadata bridge
12:06:44,650 INFO [JBossASKernel] Created KernelDeployment for: EJBProject.jar
12:06:44,651 INFO [JBossASKernel] installing bean:
jboss.j2ee:ear=enterpriseproject.ear,jar=EJBProject.jar,name=ThirdSessionBean,service=EJB3
12:06:44,651 INFO [JBossASKernel] with dependencies:
12:06:44,651 INFO [JBossASKernel] and demands:
12:06:44,651 INFO [JBossASKernel] jboss.ejb:service=EJBTimerService
12:06:44,651 INFO [JBossASKernel] and supplies:
12:06:44,651 INFO [JBossASKernel] Class:com.tsb.test.ThirdSession
12:06:44,651 INFO [JBossASKernel] jndi:ThirdSessionBean
12:06:44,651 INFO [JBossASKernel]
jndi:enterpriseproject/ThirdSessionBean/remote-com.tsb.test.ThirdSession
12:06:44,651 INFO [JBossASKernel] jndi:enterpriseproject/ThirdSessionBean/remote
12:06:44,651 INFO [JBossASKernel] Added
bean(jboss.j2ee:ear=enterpriseproject.ear,jar=EJBProject.jar,name=ThirdSessionBean,service=EJB3)
to KernelDeployment of: EJBProject.jar
12:06:44,759 INFO [EJBContainer] STARTED EJB: com.tsb.test.ThirdSessionBean ejbName:
ThirdSessionBean
12:06:44,785 INFO [TomcatDeployment] deploy, ctxPath=/DynamicWebProject,
vfsUrl=enterpriseproject.ear/DynamicWebProject.war
12:07:30,999 INFO [STDOUT] onject returned is
jboss.j2ee:ear=enterpriseproject.ear,jar=EJBProject.jar,name=ThirdSessionBean,service=EJB3
12:07:31,000 INFO [STDOUT] This works
12:07:31,000 ERROR [[SecondServlet]] Servlet.service() for servlet SecondServlet threw
exception
java.lang.ClassCastException: $Proxy112 cannot be cast to com.tsb.test.ThirdSession
at SecondServlet.doGet(SecondServlet.java:55)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
---------------- Question --------
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