JDeveloper 10.1.3 EA 1 Session Bean Problems

Hello,
it seems there are some problems in JDeveloper 10.1.3 EA1 related to Session EJBs:
1) The Create Session Bean Wizard doesn't work correctly. After finishing the Wizard, JDeveloper only creates the ejb-jar.xml and orion-ejb-jar.xml, but not the Session EJB classes/interfaces themselves (Bean, Remote, Home). So I had to develop the Session Bean in JDeveloper 10.1.3 Developer Preview. That worked fine. I finally migrated the project to 10.1.3 EA1.
2) When I try to run my JSF/EJB application with the Session Bean in 10.1.3 EA1, the following error occurred:
05/10/24 17:31:15 Error instantiating application 'current-workspace-app' at file: <a file path>...oc4j-app.xml:
Error initializing ejb-modules:
Error loading module file: <a file path>.../Model/classes/:
Syntax error in source or compilation failed in:
<a file path>...\Software\JDeveloper\jdevj2eebase1013\jdev\system\oracle.j2ee.10.1.3.34.12\embedded-oc4j\application-deployments\current-workspace-app\Umfragesystem02_Model_0\generated\CommandHandlerSession_StatelessSessionBeanWrapper0.java
I have no idea how to solve this problem. Does anybody have a solution?
Regards,
Matthias

Tested Session Bean and Entity Bean. 
The bean class and the deployment descriptors get 
generated. 
The remote/local, home/local home interfaces do not 
get generated. 
Thanks. The Session Bean Creation Wizard problem is a problem I could solve using a workaround. But the problem that really stems me is the error I receive when I try to run my webapp using the Session Bean and some more classes and JavaServer Faces files: 
 
Error instantiating application 'current-workspace-app' at file: ...oc4j-app.xml: Error initializing ejb-modules: 
Error loading module file: .../Model/classes/: 
Syntax error in source or compilation failed in: ...\Software\JDeveloper\jdevj2eebase1013\jdev\system\oracle.j2ee.10.1.3.34.12\embedded-oc4j\application-deployments\current-workspace-app\Umfragesystem02_Model_0\generated\CommandHandlerSession_StatelessSessionBeanWrapper0.java 
 
What goes wrong with JDeveloper or the application?

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import com.sun.rave.web.ui.component.Form;
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This example creates an MD Bean and have a simple message and a client class send messages to that bean.
Steps
=====
1)
a)in {JDev Home}\jdev\system9.0.5.2.1618\oc4j-config\jms.xml
 <topic name="Demo Topic" location="jms/demoTopic">
 <description>A dummy topic</description>
 </topic>
 <topic-connection-factory name="Demo Topic Connection Factory" location="jms/theTopicConnectionFactory">
 <description>A dummy topic connection factory</description>
 </topic-connection-factory>
b) in current project in orion-ejb-jar.xml
go to orion-ejb-jar properties and add these values there to MDB node
destination-location=jms/demoTopic
connection-factory-location=jms/theTopicConnectionFactory
2) create a dummy session bean and a dummy client for that session bean
This sets default configuration for the client application we write
doing so we do not need to set properties to get Initial context.It makes use of
{JDev Home}\jdev\system9.0.5.2.1618\oc4j-config\.client\jndi.properties
We can directly get Contexxt ctx = new InitialContext();
3) Create MDB and put this sample code in method
onMessage()
TextMessage tm = (TextMessage) msg;
try {
String text = tm.getText();
System.err.println("Received new message : " + text);
catch(JMSException e) {
e.printStackTrace();
4) go to properties for the MDB and set Destination to Topic
5) write Client code
Context ctx =new InitialContext();
// 1: Lookup ConnectionFactory via JNDI
TopicConnectionFactory factory =
(TopicConnectionFactory) ctx.lookup("jms/theTopicConnectionFactory");
// 2: Use ConnectionFactory to create JMS connection
TopicConnection connection = factory.createTopicConnection();
// 3: Use Connection to create session
TopicSession session = connection.createTopicSession( false, Session.AUTO_ACKNOWLEDGE);
// 4: Lookup Desintation (topic) via JNDI
Topic topic = (Topic) ctx.lookup("jms/demoTopic");
// 5: Create a Message Producer
TopicPublisher publisher = session.createPublisher(topic);
// 6: Create a text message, and publish it
TextMessage msg = session.createTextMessage();
msg.setText("This is a test message from My Test Client!!! .");
publisher.publish(msg);
6) Run the server and run the client

Naming Exception Error for Session Bean (Stateless) in JDeveloper

I have written a session bean stateless in JDeveloper Environment. When i running that bean i getting the following error message.
javax.naming.NamingException: Lookup error: java.net.ConnectException: Connection refused:
how can we resolve this error?

http://forum.java.sun.com/thread.jsp?forum=54&thread=484437&tstart=0&trange=15
-Regards
Manikantan

JDEV 10.1.3 How to manipulate/Debug IndirectList from ejb 3.0 session bean

I was debugging my session bean a seen that element data for the employeesCollection was empty.
I didn't understood why my java client was throwing an error when i accessed manually the Departments collection and get the employeeCollection from the first entry in the collection. What was confusing me was that my master/detail jfs application was displaying these data. From where ? how was it possible ? it was the same session bean !
This is the reason i debugged the session bean return object and seen that the collection was also empty as the from executing from my java client application. I have seen the type of the object that was not a collection but IndirectList.
So my question ! how is it possible to load the collection of this type ? Which method the data control is executing to load it ? Where may i found a description of this very interesting process ?

Hi Frank.
plain English - on plan :).
I create managed bean with function which do access to LDAP and this function 'return List<Users>'.
In JDeveloper :) on managed bean(java class) i create "Create Data Control"... after, from Data Controls i drop on page this data(create ADF Table with selectOne)...
First Page Ready!
Second page... i need to know which option selected on first page. This option(row) contains, UserName and etc... On second page i again fetch data, from LDAP, associated with this concrete UserName... Because i fetch data using managed bean :) i need to know this username in my managed bean...
May be :) im wrong...
sessionAttribute - like this? ->
* Convenience method for setting Session variables
* @param ctx FacesContext
* @param key object key
* @param object value to store
public static void storeOnSession(FacesContext ctx, String key, Object object) {
Map sessionState = ctx.getExternalContext().getSessionMap();
sessionState.put(key, object);
* Convenience method for getting Session variables
* @param ctx FacesContext
* @param key object key
public static Object getFromSession(FacesContext ctx, String key) {
Map sessionState = ctx.getExternalContext().getSessionMap();
return sessionState.get(key);
}

How to lookup a EJB 3.0 session bean which is deployed in WebLogic 10.3

Now Jdeveloper 11.1.1, is giving WebLogic server 10.3.
With internal WebLogic server, when I created a Sample client, it generated code as:
private static Context getInitialContext() throws NamingException {
 Hashtable env = new Hashtable();
 // WebLogic Server 10.x connection details
 env.put( Context.INITIAL_CONTEXT_FACTORY, "weblogic.jndi.WLInitialContextFactory" );
 env.put(Context.PROVIDER_URL, "t3://127.0.0.1:7101");
 return new InitialContext( env );
public static void main(String [] args) {
 try {
 final Context context = getInitialContext();
 DefaultSession defaultSession = (DefaultSession)context.lookup("property-DefaultSession#com.vs.property.model.session.DefaultSession");
 } catch (Exception ex) {
}How to update the above code to lookup the EJB 3.0 session beans with an external WebLogic server 10.3?
Is there any documentation available on how to install weblogic, troubleshoot, debug, WebLogic server 10.3?
regds
-raju

Raju,
Hi, to start, here is a tutorial on a quickstart web application using an EJB 3.0 stateless session bean that fronts a container managed EclipseLink JPA entity manager on WebLogic 10.3, you will find references there to other general WebLogic documentation.
[http://wiki.eclipse.org/EclipseLink/Examples/JPA/WebLogic_Web_Tutorial]
using @EJB injection on the client instead of a JNDI lookup as below
[http://edocs.bea.com/wls/docs103/ejb30/annotations.html#wp1417411]
1) in your second env.put I noticed that your t3 port is 7101, I usually use the default 7001 - but It looks like this port is valid for the JDeveloper embedded version of WebLogic server runs - just verify that it matches the port of your server.
2) your name#qualified-name lookup looks ok. Verify that the jndi-name element is set in your weblogic-ejb-jar.xml for non injection clients like the following
<weblogic-ejb-jar>
<weblogic-enterprise-bean>
<ejb-name>ApplicationService</ejb-name>
<jndi-name>ApplicationService</jndi-name>
3) as a test outside of your application - launch the WebLogic admin console and goto the testing tab of your bean in [Home > Summary of Deployments > "application" > "session bean name"
thank you
/michael : http://www.eclipselink.org

EJB 3.0 Session bean transfers null Entity

Hello all
I am having trouble trying to transfer an Entity from a stateful session bean to a JSP. When I try an identical method with a java client within the OC4J container of JDeveloper, it works fine. However when I deploy the application to OracleAS 10.1.3, I get a null pointer on the entity.
Please help. I have been stuck on this for about 3 weeks, and I've followed documentation to the letter as far as I can see.
Here is the code for the JSP, the (simplified) bean and the Entity in question.
Bean:
import java.util.List;
import javax.annotation.Resource;
import javax.ejb.Stateful;
import javax.persistence.EntityManager;
import javax.persistence.Query;
@Stateful(name="cart")
public class CartBean implements CartRemote, CartLocal {
 @Resource
 protected EntityManager manager;
 public CartBean() {
 public User getUser(String username){
 User user = manager.find(User.class, username);
 return user;
 }The JSP:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<%@ page contentType="text/html;charset=windows-1252"%>
<%@ page import="com.evotec.ereq.CartLocal" %>
<%@ page import="com.evotec.ereq.User" %>
<%@ page import="javax.naming.InitialContext" %>
<%@ page import="java.util.List" %>
<%@ page import="java.util.ArrayList" %>
<%!String m_username = "pbarrett";%>
<%!String emailAddress = "";%>
<%
try {
 InitialContext ctx = new InitialContext();
 CartLocal cart = (CartLocal) ctx.lookup("java:comp/env/cart");
 User user = cart.getUser(m_username);
 emailAddress = user.getEmailAddress();
%>
<html>
<body>
you are: <%= m_username %> 
your email address is: <%= emailAddress %> 
</body>
</html>
<%
catch (Exception e){
 e.printStackTrace();
%>and the User entity:
import java.io.Serializable;
import java.sql.Timestamp;
import static javax.persistence.AccessType.FIELD;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.Table;
import javax.persistence.Id;
@Entity(access=FIELD)
@Table(name="USERS")
public class User implements Serializable {
 @Column(name="CREATION_DATE")
 protected Timestamp creationDate;
 @Column(name="DISPLAY_NAME")
 protected String displayName;
 @Column(name="EMAIL_ADDRESS")
 protected String emailAddress;
 @Id
 @Column(name="USERNAME")
 protected String username;
 @Column(name="USER_ID")
 protected Long userId;
 @Column(name="USER_STATUS")
 protected Long userStatus;
 public User() {
 //JDeveloper-generated getters and setters
}I should point out that I have established that the null pointer is not coming from the CartLocal lookup.
Any help welcome, thanks in advance.
Paul

Hi,
Thanks for the quick response.
I have tried this approach before but when I try and deploy to the server, I get this message:
@PersistenceContext annotation can only be used when a javax.spi.PersistenceProvider is installed.
Is this a missing jar file? If so, which one?
Thanks
Paul

JDev 10.1.3: Problem deploying a session bean to embedded OC4J

JDeveloper 10.1.3, TopLink, OC4J, WinXP, java 1.4.2_05.
I used TopLink to create a set of Java objects from a DB Schema, then created a simple Session Bean to read some of the objects. Everything compiles fine.
JAVA_HOME points to the JDK (not JRE) and CLASSPATH is empty (undefined).
When I try to Run my session bean in the jdeveloper embedded oc4j, I get this message. Thanks in advance for your help.
Milind
===============
[Starting OC4J using the following ports: HTTP=8988, RMI=23891, JMS=9227.]
C:\Tools\jdev_10_1_3\jdev\system\oracle.j2ee.10.1.3.3.51\oc4j-config>
C:\Tools\jdev_10_1_3\jdk\bin\javaw.exe -ojvm -classpath C:\Tools\jdev_10_1_3\j2ee\home\oc4j.jar;C:\Tools\jdev_10_1_3\jdev\lib\jdev-oc4j-embedded.jar -Xverify:none -DcheckForUpdates=adminClientOnly -Doracle.j2ee.dont.use.memory.archive=true -Doracle.j2ee.http.socket.timeout=500 -Doracle.dms.sensors=NONE -Doc4j.jms.usePersistenceLockFiles=false oracle.oc4j.loader.boot.BootStrap -config C:\Tools\jdev_10_1_3\jdev\system\oracle.j2ee.10.1.3.3.51\oc4j-config\server.xml
[waiting for the server to complete its initialization...]
05/03/22 14:43:50 Node started with id=127765687050882
05/03/22 14:43:52 Auto-deploying - applications/admin_ejb.jar (orion-ejb-jar.xml had been updated since the previous deployment)...
05/03/22 14:43:52 Error initializing server: Error initializing ejb-module; Exception null
05/03/22 14:43:53 Fatal error: server exiting
Process exited with exit code 1.

Error initializing ejb-module;
Is the EJB Jar structured as
META-INF/
ejb-jar.xml
Bean Class
Home interface Class
Remote interface Class
Does the EJBdeploy in some other server?

JDeveloper 10.1.3 EA 1 Session Bean Problems

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