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Can't Run EJB

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mthalis

Joined: 04 Sep 2009
Posts: 5

Posted: Fri Sep 04, 2009 2:31 am Post subject: Can't Run EJB

My Bean class

Code:

package ejb;
import javax.ejb.Stateless;
@Stateless
public class HelloUserBean implements HelloUserRemote {
public void sayHello(String name) {
System.out.println("Hello " + name + " welcome to EJB 3 InAction!");
}

}

Bean Interface

Code:

package ejb;
import javax.ejb.Remote;
@Remote
public interface HelloUserRemote {
public void sayHello(String name);
}

Client Code

Code:

package chapter2appclient;

import ejb.HelloUserRemote;
import javax.ejb.EJB;

public class Main {
@EJB
private static HelloUserRemote helloUserBean;

public static void main(String[] args) {
helloUserBean.sayHello("Dinesh");
System.out.println("Invoked EJB successfully .. see server consolefor output");
}
}

After run client program below Exception Throw

Code:

Sep 4, 2009 7:53:32 AM com.sun.enterprise.appclient.MainWithModuleSupport <init>
WARNING: ACC003: Application threw an exception.
java.lang.NullPointerException
at chapter2appclient.Main.main(Main.java:23)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at com.sun.enterprise.util.Utility.invokeApplicationMain(Utility.java:266)
at com.sun.enterprise.appclient.MainWithModuleSupport.<init>(MainWithModuleSupport.java:449)
at com.sun.enterprise.appclient.MainWithModuleSupport.<init>(MainWithModuleSupport.java:259)
at com.sun.enterprise.appclient.Main.main(Main.java:200)
Exception in thread "main" java.lang.RuntimeException: java.lang.reflect.InvocationTargetException
at com.sun.enterprise.appclient.MainWithModuleSupport.<init>(MainWithModuleSupport.java:461)
at com.sun.enterprise.appclient.MainWithModuleSupport.<init>(MainWithModuleSupport.java:259)
at com.sun.enterprise.appclient.Main.main(Main.java:200)
Caused by: java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at com.sun.enterprise.util.Utility.invokeApplicationMain(Utility.java:266)
at com.sun.enterprise.appclient.MainWithModuleSupport.<init>(MainWithModuleSupport.java:449)
... 2 more
Caused by: java.lang.NullPointerException
at chapter2appclient.Main.main(Main.java:23)
... 8 more
Java Result: 1

I'm using netbeans 6.7 in ubuntu environment. Please help me how to solve
this problem.
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mthalis

Joined: 04 Sep 2009
Posts: 5

Posted: Sat Sep 05, 2009 4:17 pm Post subject: Can't Run EJB

If I try to run netbeans sample J2EE project AnnotOvdInterceptor same error happen
I'm using netbeans 6.7

Code:

run-tool:
java.lang.NullPointerException
at enterprise.annot_ovd_interceptor_appclient.StatelessSessionAppClient.main(StatelessSessionAppClient.java:45)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at com.sun.enterprise.util.Utility.invokeApplicationMain(Utility.java:266)
at com.sun.enterprise.appclient.MainWithModuleSupport.<init>(MainWithModuleSupport.java:449)
at com.sun.enterprise.appclient.MainWithModuleSupport.<init>(MainWithModuleSupport.java:259)
at com.sun.enterprise.appclient.Main.main(Main.java:200)
Sep 5, 2009 9:41:14 PM com.sun.enterprise.appclient.MainWithModuleSupport <init>
WARNING: ACC003: Application threw an exception.
java.lang.NullPointerException
at enterprise.annot_ovd_interceptor_appclient.StatelessSessionAppClient.main(StatelessSessionAppClient.java:51)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at com.sun.enterprise.util.Utility.invokeApplicationMain(Utility.java:266)
at com.sun.enterprise.appclient.MainWithModuleSupport.<init>(MainWithModuleSupport.java:449)
at com.sun.enterprise.appclient.MainWithModuleSupport.<init>(MainWithModuleSupport.java:259)
at com.sun.enterprise.appclient.Main.main(Main.java:200)
Exception in thread "main" java.lang.RuntimeException: java.lang.reflect.InvocationTargetException
at com.sun.enterprise.appclient.MainWithModuleSupport.<init>(MainWithModuleSupport.java:461)
at com.sun.enterprise.appclient.MainWithModuleSupport.<init>(MainWithModuleSupport.java:259)
at com.sun.enterprise.appclient.Main.main(Main.java:200)
Caused by: java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at com.sun.enterprise.util.Utility.invokeApplicationMain(Utility.java:266)
at com.sun.enterprise.appclient.MainWithModuleSupport.<init>(MainWithModuleSupport.java:449)
... 2 more
Caused by: java.lang.NullPointerException
at enterprise.annot_ovd_interceptor_appclient.StatelessSessionAppClient.main(StatelessSessionAppClient.java:51)
... 8 more
Java Result: 1
run-jar:
run-display-browser:
run:
BUILD SUCCESSFUL (total time: 1 minute 1 second)

Why this happen....
Please help me.

This is netbeans bugs or not.

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