EJB APPLICATION

Hi...
Facing One problem (Creating EJB application): I am unable to get the message when table is droped on class diagram --> "if you want to generate business component entity object, an EJB 1.1 entity bean or an EJB 2.0 entity bean" ....
I proceed but then again unable to view EJB palette page profile in UML component palette to build session bean interface to entity bean....
Help me why I am unable to view above message and then EJB palette page....
Presently Working on jdeveloper version 9.0.2.822 / windows2000NT
Regards,
Vinod

You need version 9.0.3 or higher of JDeveloper to get this dialog.

Similar Messages

Problem while running ejb application in Oracle Application Server

I have created sample ejb application in jdeveloper with ejb 3.1 version,
i also created jsp page which will invoke ejb client and display result,
its running perfectly in embeded oc4j server, but while deploying application in
Oracle application server its is giving below error message
Javax naming exception: unable to find remote interface., i am confusing please give me sollution .

Hi Mr.Frank,
i have created remote interface by importing javax.ejb.Remote,
my interface name is additionEjb
and i defined a sample method and in my client i called like below
additionEjb AdditionEjb = (additionEjb)context.lookup("additionEjb");
In embeded oc4j server its running perfectly but after deploying to OAS below error throwing
The exception is : javax.naming.NameNotFoundException: additionEjb not found
Help me regrding this.

Calling a webservice from weblogic EJB Application

Hello,
I have a webservice running on IIS server. I created a simple java client program to call the webservice and it works fine. However, when I wrapped the same java client program as a EJB Application, I am unable to call the webservice.
I get the following error:
####<Apr 3, 2007 1:59:30 AM CDT> <Info> <WebService> <CASEJBServer> <ExecuteThread: '24' for queue: 'weblogic.kernel.Default'> <<anonymous>> <> <BEA-220094> <An IOException was thrown trying to access the WSDL at the given URL.>
And
"java.io.FileNotFoundException: Response: '401: Unauthorized' for url: XXXXXX"
Could you please give some simple steps as what are the JAR Files required to be included in the Weblogic Server's classpath to call the webservice.
Thanks.

To start off you need to make sure that your client api is in the classpath, either in your ejb or your ear or the server classpath.
The other concern I would have is that it seems you are just not authorized to access the URL.
- Does the WSDL require credentials? So in other words when you go to the URL are you allowed to access the WSDL without athenticating.
- How does your Impl get created?
MyServiceImpl service = new MyServiceImpl()
If you are using the empty constructor then what is the wsdl endpoint in your jar file since that is the wsdl it will use. If the endpoint is localhost/xxx/xxx then you will have issues since that means your not deployed on localhost. What url is at the endpoint? Do you have access to the url from your server?
If you are using "new MyServiceImpl(url);" then again is the wsdl locked down because in this case you will need to do somthing like http://username:[email protected]/xxx?wsdl
Hope this helps.
-Jesus

Need suggestion for a database connection issue in an EJB Application

Hi Friends,
I am facing some serious problem in my EJB application. Some times, my application is waiting for unknown reason while it connects to database as executing a stored procedure to get and assign a unique number to a transaction.
This stored procedure is used to get a unique number from database and update the database with the new unique number which is incremented by previous number.
During this waiting time, if any other transaction hits my application, then my application assigning same unique number to these 2 transactions.
But It is not happening always. It is happening very less number of times. What should I take care of the code to not happen this? Can I implement any synchronization kind of thing here?
If I implement synchronization kind of thing, If the first transaction gets the lock and waits for some time, then I think it will effect for subsequent transactions. Could You please suggest me on this issue?
Thanks in Advance to All.

Here is my datasources.xml :
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN" "http://www.springframework.org/dtd/spring-beans.dtd">
<beans>
     <bean id="myDataSource" class="org.springframework.jndi.JndiObjectFactoryBean">
          <property name="jndiName" value="jdbc/myDS"/>
          <property name="resourceRef" value="false"/>
     </bean>
</beans>

Steps to deploy an ejb application and running an ejb client in weblogic server6.1

steps to deploy an ejb application and steps to run an ejb client in weblogic server6.1
if the client is an simple java application and if the client is a servlet

Hi.
Check out the beanManaged example that ships with WLS and read the accompanying docs. This
is a simple EJB with a servlet that invokes it.
Michael
shekhar sachdev wrote:
steps to deploy an ejb application and steps to run an ejb client in weblogic server6.1
if the client is an simple java application and if the client is a servlet--
Michael Young
Developer Relations Engineer
BEA Support

Build a EJB/ Application with Sun One Studio and deploy to Weblogic

Dear all,
My boss require me to use Sun One Studio 4 update 1 to do the development, but
I find it's a nightmare to deploy the EJB/ application to the WebLogic 6.1.
I've already installed the weblogic plug-in in the Sun One Studio.
During deploying I could not find any setting that ask me for the weblogic-ejb-jar.xml.
So I think the deployment will fail.
Is there any others tutorial or e-book that can help me to familiar with the deployment
process?
Many Thanks for all of you.
Ivan

where do you get the weblogic plugin from ?
i am intrested in doing the same thing
thanx
prem
"Ivan" <[email protected]> wrote in message
news:[email protected]..
>
Dear all,
My boss require me to use Sun One Studio 4 update 1 to do the development,but
I find it's a nightmare to deploy the EJB/ application to the WebLogic6.1.
>
I've already installed the weblogic plug-in in the Sun One Studio.
During deploying I could not find any setting that ask me for theweblogic-ejb-jar.xml.
So I think the deployment will fail.
Is there any others tutorial or e-book that can help me to familiar withthe deployment
process?
Many Thanks for all of you.
Ivan

How to create an EJB Application in Eclipse 3.2

hi all,
any one suggest me, what are the external jars need to be include in eclipse to cretae the ejb applications.
Thanx in advance.
Bala

The javaee.jar from the Java EE SDK should be sufficient. Just add this jar to the installed JRE (Window - Preferences - Java - Installed JREs - Edit). You need at least the javax.ejb package.
There is a dedicated subforum for EJB stuff by the way http://forum.java.sun.com/forum.jspa?forumID=13

What is the directory structure of EJB applications?

I am new to EJB program. I know that after the development is done, we package the EJB components into .jar file, and package the Web components (HTML/JSP/Servlets/JavaBeans) into .war file, and then together we package .jar file and .war file into a single .ear file. Then we just deploy the .ear file into WebLogic's application directory.
But, before the deployment, I mean during the development, what kind of directory structure is good for us to develop our EJB, HTML, JSP, Servlets, and JavaBean components?
Previously, when I was doing JSP/Servlets applications, my directoy structure is:
webapps\
--------myapplication\
-----------------------*.html
-----------------------images\
------------------------------*.jpeg, *.gif
-----------------------jsp\
------------------------------*.jsp
-----------------------WEB-INF\
------------------------------web.xml
------------------------------classes\
-------------------------------------Java Servlets located here
-------------------------------------beans\
-------------------------------------------JavaBeans are located here
Now, I am doing EJB applications, what should be the directory structure?
Thank you very much for your help!
Jingzhi

I have been involved in a few enterprise applications but have not been happy with the packaging structures used and am starting a new one now and am looking for other examples.
this is what I've used before.
web/
classes/
client/
server/
but if a class was used in the client and server it was put under the server/ package. I feel that more separation is needed.

Need a help to create ejb application in netbeans with weblogic 9.2

Hi guys,
I am new to EJB..can anyone guide me to create a EJB application in netbeans 5.5 with weblogic server 9.2 ..
thank u in advance..

Hi guys,
If there is no one to help me with this so simple project then I will have to quit trying. I am getting to much pressure to get this done and I just don't know how to proceed anymore. I have found a document on OTN that explain the basics of binding but it's to vast and too complicated under pressure. If someone could help me to bind this LOV I would appreciate this so much and then I could relax a little and read all the good documents that I have found on OTN.
This is my last chance.
Thank you!

Calling an EJB application in webdynpro

Dear SDN's,
I am trying to call an EJB application from a webdynpro application and is succeded in storing values to database via Java Bean Model.
I want to retrieve all records from table via EJB and all the records should be displayed in Webdynpro Table UI element.
How can we do it?
The problem here is, how to return a set of records to webdynpro from EJB via a javabean.
I am not clear in using Collection Framework! i.e, which collection class i have to use to store the retrieved records.
Your help will be appreciated.
Regards,
Sireesha.B

Hi Sireesha,
Instead of adding resultset, create a EMP cinstance and add it.
Ex : Consider you have created a EMP class
class EMP
String empname;
int id;
public void setEmpname(String name);
public String getEmpname();
Now
ResultSet rs=statement.executeQuery(select * from emp);
Vector v=new Vector();
while(rs.next)
Emp e=new EMP()l
e.setEmpName(rs.getString(0));
e.setID(rs.getInt(1)));
v.add(emp);
Iterator i=v.iterator();
while(i.hasNext())
Emp e1=(EMP)i.next()l
System.out.println(e1.getempName());
System.out.println(e1.getID);
Regards, ANilkumar

How to call a BAPI in EJB application

Hi ,
I need to develop an webservice that takes data from a BAPI and insert in to ORACLE database. I think webservices can be created through EJB application.
I am not having idea regarding how to call an BAPI in EJB application. can anyone help me out in this.
Regards,
Laxmi.

Hi,
you can use JCO Connection,
look this
[https://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/fcadaf90-0201-0010-4091-bd0bcd7b7f6a]
Regards,
Matteo

How to run ejb application OC4J J2EE Container

Hi all,
I unable run ejb applications in OC4J J2EE Container.
I have configure following files.
in config directory
Server.xml
I have .ear file if configured in server.xml. this .ear copied into home/application directory
I have create following deployment discriptor file.
in META-INF for ejb.
ejb-jar.xml
application.xml
I have specify all ejb classes details in ejb-jar.xml
Please help me .How to run ejbs with jsp and application client.Which files shall i configure.
Thnaks,

Hi all,
I unable run ejb applications in OC4J J2EE Container.
I have configure following files.
in config directory
Server.xml
I have .ear file if configured in server.xml. this .ear copied into home/application directory
I have create following deployment discriptor file.
in META-INF for ejb.
ejb-jar.xml
application.xml
I have specify all ejb classes details in ejb-jar.xml
Please help me .How to run ejbs with jsp and application client.Which files shall i configure.
Thnaks,

Consume Web Service in EJB Application

Hi Experts,
I have EJB Application with some Java Classes.My Requirement is to Consume Web Service in EJB Application.
I am new to EJB Application.Please share if have any ideas regarding the same.
Thanks & Regards,
SatheshKumar R

Hi Vijay,
Thanks for the Reply.
Please provide the JAR Files i need to add.
I had tried to consume the web service by using the java class in Java Project ie EJB.
After creating the Project i will import the WSDL file in that Project and create the Client Application.
The Request and Response java class is created by importing the WSDL file.
The Client Java Class is created to access the Request and Response objects.
After this Main class is created and I have run the application to execute the Client Java Class. During this time its shows some error.
The Error Message are:
Exception in thread "main" java.lang.NoClassDefFoundError: com/sap/engine/interfaces/sca/logtrace/CallEntry$TraceLevel
at com.sap.engine.services.webservices.espbase.client.bindings.ConfigurationUtil.getTransportBinding(ConfigurationUtil.java:249)
at com.sap.engine.services.webservices.espbase.client.bindings.ConfigurationUtil.createClientConfiguration(ConfigurationUtil.java:109)
at com.sap.engine.services.webservices.espbase.client.jaxws.metadata.InterfaceMetadata.createClientConfigurationContext(InterfaceMetadata.java:178)
at com.sap.engine.services.webservices.espbase.client.jaxws.metadata.InterfaceMetadata.getProxy(InterfaceMetadata.java:70)
at com.sap.engine.services.webservices.espbase.client.jaxws.core.SAPServiceDelegate.getPort(SAPServiceDelegate.java:258)
at javax.xml.ws.Service.getPort(Service.java:92)
at com.sap.tutorial.testwebser1ejb.TestAddService.getTestAddPort(TestAddService.java:38)
at com.sap.tutorial.testwebser1ejb.TestAddClient.testAdd(TestAddClient.java:12)
at com.sap.tutorial.testwebser1ejb.MainClass.main(MainClass.java:12)
Caused by: java.lang.ClassNotFoundException: com.sap.engine.interfaces.sca.logtrace.CallEntry$TraceLevel
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 java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
... 9 more
Thanks & Regards,
SatheshKumar R

How to Create One Full EJB Application?

Hi,
Does Anyone knows how to Create the EJB Application, as JSP as The Client using Eclipse and Weblogic?
Thanks in Advance,
Sundar

Dont they come with sample projects.
else search for tutorials in the net

How to run application client of an EJB application?

Hi,
My EJB application is deployed on websphere. I have written a small java client program to interact with an EJB which is working fine if I compile and run it in websphere studio environment.
However I am getting runtime exception when I tried to run it at command line.
RemoteConn.java
import java.util.Hashtable;
import com.deque.HelloJavaHome;
import com.deque.HelloJava;
import javax.naming.InitialContext;
import javax.naming.Context;
import javax.ejb.EJBHome;
import javax.ejb.EJBObject;
public class RemoteConn {
public static void main(String[] ar) throws Exception{
String name="Paruchuri!!";
String greeting = "";
try{
Hashtable env = new Hashtable();
//env.put(Context.INITIAL_CONTEXT_FACTORY, "com.ibm.websphere.naming.WsnInitialContextFactory");
env.put(Context.INITIAL_CONTEXT_FACTORY, "com.ibm.ws.naming.util.WsnInitCtxFactory");
env.put(Context.PROVIDER_URL, "iiop://localhost:2809");
InitialContext initContext = new InitialContext(env);
Object obj = initContext.lookup("ejb/HelloJavaHome");
HelloJavaHome home = (HelloJavaHome) javax.rmi.PortableRemoteObject.narrow(obj, HelloJavaHome.class);
HelloJava remote = home.create();
greeting = remote.getGreeting(name);
catch(Exception e){
e.printStackTrace();
System.out.println("Greeting::"+ greeting);
I have set the application ejb client jar in the class path of client program.
The exception I am getting at runtime is
Exception in thread "main" java.lang.NoClassDefFoundError: com.ibm.CORBA.iiop.GlobalORBFactory
at com.ibm.ejs.oa.EJSORBImpl.class$(EJSORBImpl.java:44)
at com.ibm.ejs.oa.EJSORBImpl.initializeORB(EJSORBImpl.java:195)
at com.ibm.ejs.oa.EJSClientORBImpl.(EJSClientORBImpl.java:93)
at com.ibm.ejs.oa.EJSClientORBImpl.(EJSClientORBImpl.java:65)
at com.ibm.ejs.oa.EJSORB.init(EJSORB.java:385)
at com.ibm.ws.naming.util.Helpers.getOrb(Helpers.java:284)
at com.ibm.ws.naming.util.WsnInitCtxFactory.getInitialContextInternal(WsnInitCtxFactory.java:369)
at com.ibm.ws.naming.util.WsnInitCtx.getContext(WsnInitCtx.java:112)
at com.ibm.ws.naming.util.WsnInitCtx.getContextIfNull(WsnInitCtx.java:422)
at com.ibm.ws.naming.util.WsnInitCtx.lookup(WsnInitCtx.java:143)
at javax.naming.InitialContext.lookup(InitialContext.java:347)
at RemoteConn.main(RemoteConn.java:38)
Initially I thought I shuold set some jar file of websphere in the classpath of client. But I did not find such a jar containing the above class in websphere studio.
Basically the error is generated at the below statement at runtime.
Object obj = initContext.lookup("ejb/HelloJavaHome");
The only difference I discovered was that the client application has a descriptor file (application-client.xml ) available to it when it ran in websphere studio,. I guess the same META-INF should be provided to client when it runs at command line.
Right now I am not using any client descriptor file to run the client program. If the above error is due to not supplying META-INF to the client application, how should I make this folder available to client at runtime?
I greatly appreciate if I could get help ASAP.
Thanks

Hey got what is going on. In order to invoke EJB, deployed on WebSpehre App Server, from application client we need to install either WebSphere Application Pluggable Client or WebSphere Thin client on the workstation. Pluggable client is a wrapper to SUN JRE where as Thin Client uses IBM JRE.

How to deploy a complex EJB application?

Hi!
I have 3 questions.
1. Is it really possible to deploy complex EJB applications with Oracle 8.1.7 ( or 9i )?
I mean, something like, for example, Sun's Java Pet Store. Because all examples that I've seen on Oracle's technet site contained not more that one enterprise bean.
2. Am I allowed to use JDK1.3 when I develop
applications that will run on Oracle JVM? When I compiled the "Customer" entity bean example having only JDK1.3 environment on my machine, the deployejb tool failed to deploy the bean. When I switched to JDK1.2.2 environment, the problem was solved ( I use Win2000 Professional OS )
3. When will Oracle support Collection for finder methods return? It's so uggly, slowly and unpractical to work with Enumeration....
Thanks a lot!

OK. I know the Java 2 EE, and I work since 2 years with it. I know all the specifications, and API's. Of course I know that the XML files are deployment descriptors. In fact, the application that I want to deploy with Oracle App. Server was succesfully deployed an runned by me on Weblogic and on OrionServer. So I just wandered IF there is an example of a complex app deployment with Oracle App Server ( like, for exampe, BEA delivers it's App. Server with Java Pet Store deployed ), so that I can see how Oracle App. Server do O/R mapping and IF I am able to use their App Server for development purpouse also.
Thanks a lot.

EJB APPLICATION

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