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From Torsten Krall <tkr...@tkl-soft.de>
Subject Several problems using jndi with ejb3
Date Mon, 05 Feb 2007 10:36:16 GMT
Hello,

I am using geronimo-tomcat6-jee5-2.0-M2 and I am writing an application
ear containing several ejbs (based on EJB3).
Everything compiles and deploys fine.

My ejb looks like this:

@Stateless
@Remote(Stammdatenverwaltung.class)
public class StammdatenVerwaltungServerImpl implements Stammdatenverwaltung
{
    [...]some methods[...]
}

My first problem is getting a reference to this bean from a client:

Properties props = new Properties();
props.setProperty("java.naming.factory.initial",
"org.openejb.client.RemoteInitialContextFactory");
props.setProperty("java.naming.provider.url", "remotehost:4201");
props.setProperty("java.naming.security.principal", "system");
props.setProperty("java.naming.security.credentials", "XXX");
Context ic = new InitialContext(props);
Stammdatenverwaltung stammdatenverwaltung = (Stammdatenverwaltung)
ic.lookup("geronimo-deploymentUtil60647.tmpdir/StammdatenVerwaltungServerImplBusinessRemote");

After I could not get a handle to the bean with various jndi-names, I
found an article (http://incubator.apache.org/openejb/jndi-names.html)
saying that the deployment-id + "BusinessRemote" is used as jndi-name.
The problem is that this deployment-id changes with every deployment.
How can I set a fix value for the jndi-name?
I tried @Stateless with annotation-parameters "name" and "mapped-name"
but that did not help.

I do NOT want to use ejb-descriptors.


Second problem (perhaps this is the same problem):

I cannot get a handle to my global datasource "tkldienstplanpool" from
within my ejb (serverside).
I was not able to recognize the jndi-name of that datasource (deployed
as "tkldienstplanpool").
Do I need the deployment-id as prefix or do I need to add a
reference-description in my application.xml and geronimo-application.xml?
What should it look like? The usage-button in geronimo-console does only
show some examples for web.xml and geronimo-web.xml.

A last question:
Why does the geronimo-console-jndi-viewer not show jndi-names?
My ejb is listed but does not show its jndi-name
("geronimo-deploymentUtil60647.tmpdir/StammdatenVerwaltungServerImpl").
It looks like this:

Enterprise Applications
->default/tkldienstplan/1.0/car
    ->EJBModule
       ->stammdaten-ejb.jar
           ->SessionBeans
              ->StammdatenVerwaltungServerImpl
                  ->java:comp/java:comp/TransactionManager
                  ->java:comp/java:comp/TransactionSynchronizationRegistry

Many questions, I hope I will get some answers ;-)

Best regards,
Torsten Krall

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