How to connect to remote EJB 3.0 deployed on Glassfish from ADF application

Hello, as we haven't managed to deploy ADF app with EJB 3.0 on Glassfish AS, nor on tomcat 6 with openEJB, nor on JBOSS 5GA, we're trying to deploy our app with remote interface on tomcat 6. We're using ADF, JSF and EJB 3.0 (Eclipselink as JPA).
When the model project is deployed on WLS 10.3, everything works fine. Here is a part from DataControls.cpx
<Source>
<ejb-definition ejb-version="3.0" ejb-name="MySession"
ejb-type="Session"
ejb-business-interface="model.MySession"
ejb-interface-type="remote"
jndi-name="MySessionBean#model.MySession"
provider-url="t3://localhost:7001"
initial-context-factory="weblogic.jndi.WLInitialContextFactory"
xmlns="http://xmlns.oracle.com/adfm/adapter/ejb"
DataControlHandler="oracle.adf.model.adapter.bean.jpa.JPQLDataFilterHandler"/>
</Source>Now the model project is deployed on Glassfish 2. I had to change DataControls.cpx
<Source>
<ejb-definition ejb-version="3.0" ejb-name="MySession"
ejb-type="Session"
ejb-business-interface="model.MySession"
ejb-interface-type="remote"
jndi-name="MySessionBean#model.MySession"
provider-url="iiop://localhost:3700"
initial-context-factory="com.sun.enterprise.naming.SerialInitContextFactory"
xmlns="http://xmlns.oracle.com/adfm/adapter/ejb"
DataControlHandler="oracle.adf.model.adapter.bean.jpa.JPQLDataFilterHandler"/>
</Source>But I get the following error:
SEVERE: Exception:
oracle.jbo.JboException: JBO-29000: Выявлено непредвиденное исключение: javax.naming.NameNotFoundException, сообщ.=Exception in lookup.: `DocJournalService' could not be found.
     at oracle.adfinternal.model.adapter.ejb.EjbDataControl.<init>(EjbDataControl.java:171)
     at oracle.adfinternal.model.adapter.ejb.EjbDefinition.createDataControl(EjbDefinition.java:142)
     at oracle.adf.model.adapter.DataControlFactoryImpl.createSession(DataControlFactoryImpl.java:173)
     at oracle.adf.model.binding.DCDataControlReference.getDataControl(DCDataControlReference.java:166)
     at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
     at java.lang.Thread.run(Thread.java:619)
Caused by: javax.naming.NameNotFoundException: Exception in lookup.: `DocJournalService' could not be found. [Root exception is org.omg.CosNaming.NamingContextPackage.NotFound: IDL:omg.org/CosNaming/NamingContext/NotFound:1.0]
     at weblogic.corba.j2ee.naming.Utils.wrapNamingException(Utils.java:58)
     at weblogic.corba.j2ee.naming.ContextImpl.lookup(ContextImpl.java:252)
     at weblogic.corba.j2ee.naming.ContextImpl.lookup(ContextImpl.java:230)
     at javax.naming.InitialContext.lookup(InitialContext.java:392)
     at oracle.adfinternal.model.adapter.ejb.EjbDataControl.<init>(EjbDataControl.java:148)
     ... 60 more
Caused by: org.omg.CosNaming.NamingContextPackage.NotFound: IDL:omg.org/CosNaming/NamingContext/NotFound:1.0
     at org.omg.CosNaming.NamingContextPackage.NotFoundHelper.read(NotFoundHelper.java:72)
     at org.omg.CosNaming._NamingContextExtStub.resolve(_NamingContextExtStub.java:406)
     at weblogic.corba.j2ee.naming.ContextImpl.lookup(ContextImpl.java:241)
     ... 63 more
## Detail 0 ##
javax.naming.NameNotFoundException: Exception in lookup.: `DocJournalService' could not be found. [Root exception is org.omg.CosNaming.NamingContextPackage.NotFound: IDL:omg.org/CosNaming/NamingContext/NotFound:1.0]
     at weblogic.corba.j2ee.naming.Utils.wrapNamingException(Utils.java:58)
     at weblogic.corba.j2ee.naming.ContextImpl.lookup(ContextImpl.java:252)
     at weblogic.corba.j2ee.naming.ContextImpl.lookup(ContextImpl.java:230)
     at javax.naming.InitialContext.lookup(InitialContext.java:392)
     at oracle.adfinternal.model.adapter.ejb.EjbDataControl.<init>(EjbDataControl.java:148)
     at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
     at java.lang.Thread.run(Thread.java:619)
Caused by: org.omg.CosNaming.NamingContextPackage.NotFound: IDL:omg.org/CosNaming/NamingContext/NotFound:1.0
     at org.omg.CosNaming.NamingContextPackage.NotFoundHelper.read(NotFoundHelper.java:72)
     at org.omg.CosNaming._NamingContextExtStub.resolve(_NamingContextExtStub.java:406)
     at weblogic.corba.j2ee.naming.ContextImpl.lookup(ContextImpl.java:241)
     ... 63 more
Could you tell me where is my mistake?

http://www.alexnet.fr/doc/oracle/oas10132/web.1013/b28221/undejdev003.htm

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The page on which I dropped the process method stopped rendering and I checked the logs and found that I got the error mesage- webservice connection failed,the webservice url could not be reached and in the logs it also asks us to check if the connections.xml is available in the meta-inf directory. I checked the conections.xml is available in the EAR.
So any pointers here and any one faced this error anytime?
is there better ways to invoke the bpel flow from ADF page.
Thanks,
Robin

Hi,
Check if your wsdl endpoint can accessed properly. If yes, check the soap-binding address is properly pointing to the server hosting the webservice.
Regards,
Harikiran.

How-to access username and password protected Java EE Web services from ADF

The title of this post is exactly the same as this article by Frank Nimphius:
http://www.oracle.com/technology/products/jdev/howtos/1013/protectedws/access_protected_web_services_from_adf.htm
The article addresses the problem of securing web services using usernames and passwords, when those web services are accessed through a proxy or a data control. In the examples, the user names and passwords are specified, whether in the code or the definition of data controls. (SKING/SKING).
In a very common scenario, users login to reach a page, for example, A.jspx, which contains a button that calls a web service, for example displayDate. Suppose that user has logged in by username/pass of (AHUNOLD/AHUNOLD) and AHUNOLD has access to the service and the page. Is there any way to pass the logged in user name and password to the webservice ? Of course we can hard-code the username in the data control definition or proxy code, but this is just one of the thousands of users who have access to the service and the authentication is not dynamic this way.
Hope my question is clear. Wishing you all a great Christmas.
Farbod

Hi Frank, and happy new year.
Are you implying that it couldn't be done declaratively? What is your suggestion for this problem? You know the problem... As I described:
- I need to secure my web services, so when exposed, no one from inside network or the internet, can access the web service without proper permission
- The web services are shown as web controls on jspx pages. The user has logged in before reaching the page. It is irrelevant to ask him to enter user name and password again.
- I have user names, passwords and roles in Oracle Internet Directory (Identity Management). It provides some APIs and I can retrieve the usernames and attempt logging in programmically. But how can I get username and password from the session in ADF application?
I guess using SAML or certificate could be the solution, but I have a problem with SAML, described here:
Re: Webservices Security, SAML, and Identity Management (OID)
Best Regards,
Farbod

Connecting to Remote EJB from Servlet in same application

Please help!
I was able to connect to SessionBeans and EJB from my sample java client in OCJ4 but when I try to do same thing from my web application using servlets, I get the below NullPointerException error.
The JNDI lookup works fine using java client but difficult from a servlet.
I am sure there is something I am missing.
Thanks
This is what I do in the servlet:
public void init() throws ServletException, NamingException, CreateException, RemoteException
Context jndiContext = getInitialContext();
SessionCartEJBHome home = (SessionCartEJBHome)jndiContext.lookup("SessionCartEJBBean");
sessionEJB = null;
try{
sessionEJB = (SessionCartEJB) home.create();
}catch (Exception e)
e.printStackTrace();
private static Context getInitialContext() throws NamingException
Hashtable env = new Hashtable();
// Standalone OC4J connection details
env.put(Context.INITIAL_CONTEXT_FACTORY, "com.evermind.server.rmi.RMIInitialContextFactory");
env.put(Context.SECURITY_PRINCIPAL, "admin");
env.put(Context.SECURITY_CREDENTIALS, "admin");
env.put(Context.PROVIDER_URL, "ormi://Princeton/ejb1");
return new InitialContext(env);
And when I call the following procedure, it blow up at the line sessionEJB.getLineItem(new Long(1304));
sessionEJB is a class variable.
void processCatalogPage(HttpServletRequest request,
HttpServletResponse response,
ActionMapping mapping,
HttpSession session
throws ServletException, IOException , Exception, FinderException{
try {
ActionForward actFor = null;
String itemId = request.getParameter("id");
if ( itemId != null ) {
String[] itemIds = new String[1];
itemIds[0] = itemId;
sessionEJB.getLineItem(new Long(1304));
actFor = mapping.findForward("catalog");
return (mapping.findForward("success"));
} catch (Exception ex)
ex.printStackTrace();
System.err.println(ex.toString());
throw new EJBException(ex.toString());
04/12/11 23:45:24 java.lang.NullPointerException
04/12/11 23:45:24 at com.alashoofi.Cart.processCatalogPage(Cart.java:187)
04/12/11 23:45:24 at com.alashoofi.Cart.execute(Cart.java:86)
04/12/11 23:45:24 at org.apache.struts.action.RequestProcessor.processActi
onPerform(RequestProcessor.java:484)
04/12/11 23:45:24 at org.apache.struts.action.RequestProcessor.process(Req
uestProcessor.java:274)
04/12/11 23:45:24 at org.apache.struts.action.ActionServlet.process(Action
Servlet.java:1482)
04/12/11 23:45:24 at org.apache.struts.action.ActionServlet.doGet(ActionSe
rvlet.java:507)
04/12/11 23:45:24 at javax.servlet.http.HttpServlet.service(HttpServlet.ja
va:740)
04/12/11 23:45:24 at javax.servlet.http.HttpServlet.service(HttpServlet.ja
va:853)
04/12/11 23:45:24 at com.evermind.server.http.ServletRequestDispatcher.inv
oke(ServletRequestDispatcher.java:765)
04/12/11 23:45:24 at com.evermind.server.http.ServletRequestDispatcher.for
wardInternal(ServletRequestDispatcher.java:317)
04/12/11 23:45:24 at com.evermind.server.http.HttpRequestHandler.processRe
quest(HttpRequestHandler.java:790)
04/12/11 23:45:24 at com.evermind.server.http.HttpRequestHandler.run(HttpR
equestHandler.java:270)
04/12/11 23:45:24 at com.evermind.server.http.HttpRequestHandler.run(HttpR
equestHandler.java:112)
04/12/11 23:45:24 at com.evermind.util.ReleasableResourcePooledExecutor$My
Worker.run(ReleasableResourcePooledExecutor.java:192)
04/12/11 23:45:24 at java.lang.Thread.run(Thread.java:534)
04/12/11 23:45:24 java.lang.NullPointerException
Dec 11, 2004 11:45:24 PM org.apache.struts.action.RequestProcessor processExcept
ion
WARNING: Unhandled Exception thrown: class javax.ejb.EJBException

Avi,
Thanks for your response. I am actually returning a new InitialContext in a function call in the servlet. What I have noticed though is that JDeveloper creates two ear files for the application. One for the ejbs called ejb1.ear and another for the web files webapp1.ear. These are located in the applications subdirectory in OC4J directory.
I know I have two projects in the application, model and viewController. I am just trying to follow the MVC pattern.
In short, I don't think the web and the ejbs are in same ear file. I made the web project depend on the ejbs though. There is an option to set such. I don't know how to tell JDeveloper to put them all in one ear file.
I will appreciate any suggestion.
Thanks
Matilda

How to connect to remote sql server database?

Hallo,
I am a new member, so please excuse me if my questions are dummy.
I am using CR2008 SP2 to make reports from sql server 2005 databases.
Localy there is no connection problem and everything works perfect.
I would like to establish a connection with a remote sql server 2005,
but i am not familiar with remote data retriving. which driver should i use? static ip? vpn? server ports?
Any answer will be really appreciated

Hello,
This is more a question for Microsoft to see what and how they support remote connections to databases. As long as you have the connection made CR will not have any problems. You may find it is slow so optimizing your queries is highly recommended. Passing a million records through your web connector is going to take time.....
I've personally used a VPN connection and then set the ODBC or OLE DB connection info to my test server here at work and it worked fine. But they were small data sets.
Thank you
Don

How to connect to remote computer using ARD and AE

Does anyone have detailed instructions on how I can us my AirPort Extreme and setup all the ports to allow the use of ARD remotely?

You can configure your AirPort Extreme for ARD using the AirPort Utility. ARD is one of the choices under Port Mapping.
You get to the port mapping option, as follows:
Run the AirPort Utility.
Select the AirPort Extreme, and then, select Edit.
Select the Network tab to enable it.
Click on the "+" button under the Port Settings field.
Click on the drop-down arrow to the right of the Description field. (see image below)
Select Apple Remote Desktop. This will automatically populate the other fields on the page.
Select Save, and then, select Update.
Allow the base station to reset.

How to connect to remote EJB 3.0 deployed on Glassfish from ADF application

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