EJB 3.x datacontrol in JDeveloper.

Hello.
Does anyone know if the next release of JDeveloper will support the making of EJB 3.x datacontrols for ADF? For the time being, it seems that JDeveloper only supports creation of EJB 2.1 datacontrol and WebService DataControl. My ejb uses eclipselink, so I want to develop adf-pages with datacontrols from my existing ejb.
Thanks a lot!

Thanks for quick reply! I''m sorry if my explanation wasn't good enough. I'm aware of the possibilty to create EJB 3.0 datacontrols as long as they are developed within Jdeveloper. My EJB 3.0 - remote interface is already developed and deployed on a Glassfish 3.1 server. The 'New' - gallery in Jdeveloper lets you create a Webservice datacontrol from a wsdl and an EJB 2.1 datacontrol from an existing jar. I want to create a EJB 3.0 datacontrol from an existing jar, but can't find the right way to implement this. I've managed to create WS and EJB2.1 datacontrols, but my bean is already implemented and fully functional as a 3.0.
I'm using JDeveloper 11.1.2.1.0, btw.
PS! If I'm not mistaken, the tutorials mentioned develops the EJB 3.0 from scratch. Mine is already developed in NetBeans with Maven and deployed on a GF 3.1.
Regards.
Edited by: user9171811 on Jan 11, 2012 12:37 AM

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the following errors were generated:
Process exited with exit code 0.
C:\jdeveloper\jdk\bin\javaw.exe -ojvm -classpath C:\oc4j\samples\ejb\OneEJBHotel\src\classes;C:\oc4j\samples\ejb\OneEJBHotel\config;C:\oc4j\samples\ejb\OneEJBHotel;C:\oc4j\samples\ejb\OneEJBHotel\src\web;C:\jdeveloper\jdev\lib\jdev-rt.jar;C:\jdeveloper\j2ee\home\lib\activation.jar;C:\jdeveloper\j2ee\home\lib\ejb.jar;C:\jdeveloper\j2ee\home\lib\jaas.jar;C:\jdeveloper\j2ee\home\lib\jaxp.jar;C:\jdeveloper\j2ee\home\lib\jcert.jar;C:\jdeveloper\j2ee\home\lib\jdbc.jar;C:\jdeveloper\j2ee\home\lib\jms.jar;C:\jdeveloper\j2ee\home\lib\jndi.jar;C:\jdeveloper\j2ee\home\lib\jnet.jar;C:\jdeveloper\j2ee\home\lib\jsse.jar;C:\jdeveloper\j2ee\home\lib\jta.jar;C:\jdeveloper\j2ee\home\lib\mail.jar;C:\jdeveloper\j2ee\home\oc4j.jar oracle.otnsamples.OneEJBHotel.client.EJBHotelSample
javax.naming.NamingException: Lookup error: java.io.IOException: Server protocol was not ORMI, if uncertain about the port your server uses for ORMI then use the default, 23791; nested exception is:
     java.io.IOException: Server protocol was not ORMI, if uncertain about the port your server uses for ORMI then use the default, 23791
     java.lang.Object com.evermind.server.rmi.RMIContext.lookup(java.lang.String)
          RMIContext.java:134
     java.lang.Object javax.naming.InitialContext.lookup(java.lang.String)
          InitialContext.java:350
     void oracle.otnsamples.OneEJBHotel.client.EJBHotelSample.getHotelSystemBean()
          EJBHotelSample.java:132
     void oracle.otnsamples.OneEJBHotel.client.EJBHotelSample.main(java.lang.String[])
          EJBHotelSample.java:147
Process exited with exit code 0.
Thanks for help!
David

David,
config.properties is used only by the client.jpr. Not by the Web.jpr
config.properties file has been provided for looking up resources[EJB, Datasources] from JNDI tree of OC4J.
Since servlet and other resources are in the same container[Single JVM] there is no need to specify the username, password, Provdier_URL at the time of lookup.
Look at the init method of EJBHotelServlet.java :
Context ctx = new InitialContext();
// Acquire the home interface handle and call the create
//method on it
homeInterface = (HotelSystemHome)ctx.lookup("OneEJBHotel");
Here servlet looks up EJB without any authentication information, as servlet and EJB are in the same container.
Whereas Stand alone client is running outside the OC4J.
So the stand alone client need to authentcate itself for looking up the resources from JNDI tree.
Look at the getHotelSystemBean method of EJBHotelSample.java :
Hashtable env = new Hashtable();
env.put(Context.INITIAL_CONTEXT_FACTORY, prop.getProperty("Initial_Context_Factory"));
env.put(Context.SECURITY_PRINCIPAL, prop.getProperty("Principal"));
env.put(Context.SECURITY_CREDENTIALS, prop.getProperty("Credential"));
env.put(Context.PROVIDER_URL, prop.getProperty("Provider_Url") );
// Associate the properties with the context
Context ctx = new InitialContext(env);
// Acquire the home interface handle and call the create
//method on it
homeInterface = (HotelSystemHome)ctx.lookup("OneEJBHotel");
Here stand alone client looks up EJB by specifying the authentication information, as stand alone client and EJB are running in different JVM's.
Hope this helps...
Cheers
--Venky

Broken orion-ejb-jar.dtd?

I use the Ant task <xmlvalidate> in an EJB project to check the EJB XML deployment descriptors against their DTDs. Checking the (Sun-specified) "ejb-jar.xml" is fine. JDeveloper creates the OC4J specific deployment descriptor "orion-ejb-jar.xml" with a reference to the DTD located at "http://xmlns.oracle.com/ias/dtds/orion-ejb-jar.dtd". Now this DTD seems to be broken.
Firstly, the DTD seems to have an invalid syntax. I'm not a DTD expert but Ant complains about lines 279-281 of that DTD :
279: isolation (commited | serializable | uncommited | repeatable_reads)
280: CDATA #IMPLIED
281: locking-mode (pessimistic | optimistic | read-only | old_pessimistic)
286: max-tx-retries CDATA #IMPLIED
287: update-changed-fields-only (true | false) "true"
There seems to be an attribut missing altogether at line 280 (see line 286) so I deleted that line. Then for lines 279 and 281, Ant complained about missing quotes - apparently, such an "enum" needs to have a "default value" (as in line 287), so I manually added such a value for each line.
The final error was in the "orion-ejb-jar.xml" (created by JDeveloper itself). Here is a piece of that:
<orion-ejb-jar>
<enterprise-beans>
<session-deployment max-instances="-1" name="DiscountCalculator"/>
I assume that the "max-instances" attribute sets the number of EJB instances in the OC4J pool to "unlimited". However, according to the DTD, session beans don't have such a "max-instances" attribute (lines 10-21):

ELEMENT session-deployment (env-entry-mapping*, ejb-ref-mapping*, resource-ref-mapping*)
ATTLIST session-deployment call-timeout CDATA #IMPLIED
copy-by-value CDATA #IMPLIED
location CDATA #IMPLIED
max-tx-retries CDATA #IMPLIED
name CDATA #IMPLIED
persistence-filename CDATA #IMPLIED
timeout CDATA #IMPLIED
wrapper CDATA #IMPLIED
replication CDATA #IMPLIED
>
So I copied and pasted the instances attribute from the entity bean section.
How come the DTD is broken? Even the 9.0.3 OC4J docs (http://download-east.oracle.com/docs/cd/A97688_08/generic.903/a97677/dtdxml.htm#620714) talk about all sorts of features (such as the "max-instances" attribute for session beans) and still points to the DTD "http://xmlns.oracle.com/ias/dtds/orion-ejb-jar.dtd" that doesn't have these features at all.

Karsten,
In case you are still on it, I stumbled upon this some time ago, too. My best guess is that they miss entire phrase, which I put in bold:
....mmited | repeatable_reads ) "commited"
disable-wrapper-cache CDATA #IMPLIED
locking-mode ( pesim...
(There is a line break between '"commited"' and 'disable-wrapper-cache'. 'commited', 'uncommited' must be MISSPELLED exactly as above.)
Btw, max-instances and min-instances are in the DTD that ships with 9.0.3 (jarred in oc4j.jar). This DTD, however, is still broken in the way that you found (it won't even XML-validate). How do they go around this? go figure! Oracle documentation? we all know ...
Best regards,
bjk

EJB 3.x datacontrol in JDeveloper.

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