[EJB 3.0] - Error when throw a ApplicationException
by keruke
Hi, please give me help with this problem, i dont know what is the solution
I have this simple session bean deploy in a jboss 4.0.5 GA application server
My interface:
| package server.ejb.usuarios;
|
| import javax.ejb.Remote;
|
| @Remote
| public interface Prueba {
| public void getError() throws Exception;
| }
|
My Session bean implementation:
| package server.ejb.usuarios;
|
| import javax.ejb.Stateless;
| import server.ejb.usuarios.Prueba;
|
| public @Stateless class PruebaBean implements Prueba {
|
| public void getError() throws Exception {
| throw new Exception("Mensaje de error");
| }
|
| }
|
Simple, i can deploy this bean on my application server, now i have this client code:
| package clientold;
|
| import java.util.Properties;
|
| import javax.naming.Context;
| import javax.naming.InitialContext;
| import javax.naming.NamingException;
|
| import server.ejb.usuarios.Prueba;
|
| public class MainPruebaError {
|
| /**
| * @param args
| */
| public static void main(String[] args) {
| Context ctx;
| try {
| ctx = getInitialContext();
| Prueba pruebaSession = (Prueba) ctx.lookup("PruebaBean/remote");
| pruebaSession.getError();
| } catch (NamingException e) {
| // TODO Auto-generated catch block
| e.printStackTrace();
| } catch(Exception e){
| System.out.println("Get error from server: " + e.getMessage());
| e.printStackTrace();
| }
| }
|
| private static Context getInitialContext() throws NamingException {
| Properties prop = new Properties();
| prop.setProperty("java.naming.factory.initial",
| "org.jnp.interfaces.NamingContextFactory");
| prop.setProperty("java.naming.provider.url", "127.0.0.1:1099");
| prop.setProperty("java.naming.factory.url.pkgs", "org.jboss.naming");
|
| return (new InitialContext(prop));
| }
| }
|
and my client catch the exception but i can´t get the correct exception message. I need pass custom message from my server to my clients and wrap it in a exception, but when i run this example got the next output:
| Get error from server: [Ljava.lang.StackTraceElement;
| java.lang.ClassNotFoundException: [Ljava.lang.StackTraceElement;
| at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
| at java.security.AccessController.doPrivileged(Native Method)
| at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
| at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
| at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:276)
| at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
| at org.jboss.remoting.loading.RemotingClassLoader.loadClass(RemotingClassLoader.java:50)
| at org.jboss.remoting.loading.ObjectInputStreamWithClassLoader.resolveClass(ObjectInputStreamWithClassLoader.java:139)
| at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1575)
| at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1496)
| at java.io.ObjectInputStream.readArray(ObjectInputStream.java:1624)
| at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1323)
| at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1945)
| at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1869)
| at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
| at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
| at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1945)
| at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1869)
| at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
| at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
| at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)
| at org.jboss.remoting.serialization.impl.java.JavaSerializationManager.receiveObject(JavaSerializationManager.java:128)
| at org.jboss.remoting.marshal.serializable.SerializableUnMarshaller.read(SerializableUnMarshaller.java:66)
| at org.jboss.remoting.transport.socket.SocketClientInvoker.transport(SocketClientInvoker.java:279)
| at org.jboss.remoting.RemoteClientInvoker.invoke(RemoteClientInvoker.java:143)
| at org.jboss.remoting.Client.invoke(Client.java:525)
| at org.jboss.remoting.Client.invoke(Client.java:488)
| at org.jboss.aspects.remoting.InvokeRemoteInterceptor.invoke(InvokeRemoteInterceptor.java:41)
| at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:88)
| at org.jboss.aspects.tx.ClientTxPropagationInterceptor.invoke(ClientTxPropagationInterceptor.java:46)
| at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:88)
| at org.jboss.aspects.security.SecurityClientInterceptor.invoke(SecurityClientInterceptor.java:40)
| at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:88)
| at org.jboss.ejb3.remoting.IsLocalInterceptor.invoke(IsLocalInterceptor.java:77)
| at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:88)
| at org.jboss.ejb3.stateless.StatelessRemoteProxy.invoke(StatelessRemoteProxy.java:102)
| at $Proxy0.getError(Unknown Source)
| at clientold.MainPruebaError.main(MainPruebaError.java:21)
|
What is the problem??, i must see on the output
| Get error from server: Mensaje de error
|
but i have :
| Get error from server: [Ljava.lang.StackTraceElement;
|
why???, is only a simple application exception and don,t work, somebody can help me??
i have tried to use an interceptor class for get the exceptions and work, but without interceptor, dont work
thanks
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19 years, 1 month