HELP: Looking up to java:comp namespace problem!!

[fla83tn]

Hi to all!
I hope someone can help me!
I've read a lot of threads similar to mine, but none solved my question..

In my project, as specified by socumentation, only Global JNDI Namespaces are visible from remote client., whereas java: are not.
But now, I would try to access from my Message-driven bean to the Java Mail Service of JBoss, located ad java:/Mail.

From what I read I must istantiate a new void Initial context and lookup to java:comp/env/mail/Mail, but if I do so it seems that no-lookup can be done!!
In fact this is the error output, that is given when i lookup also to "":

javax.naming.NoInitialContextException: Need to specify class name in environment or system property, or as an applet parameter, or in an application resource file: java.naming.factory.initial
 at javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:645)
 at javax.naming.InitialContext.getDefaultInitCtx(InitialContext.java:247) .....
.....

Why??????

So, I turn around the problem binding the javaMail service to Mail (I moved its name to the global JNDI namespace).
If I do so now I can lookup the resource, but now I get an error when I try to bound it because i do

session = (javax.mail.Session)PortableRemoteObject.narrow(
 c.lookup("Mail"), javax.mail.Session.class);

and the system give me the sequent error:

Exception in thread "main" java.lang.ClassCastException...........
.......
Caused by: java.lang.ClassCastException: Class javax.mail.Session is not a valid remote interface
 at com.sun.corba.se.impl.javax.rmi.PortableRemoteObject.narrow(PortableRemoteObject.java:225)
 ... 3 more

I think that even if I solve the first problem remains out the second...Does anybody know hot to get it out?

Please someone help me!!

[lafr]

To get a mail session via "java:comp/env/Mail" I declared this tags for xdoclet:

 * @ejb.resource-ref
 * res-ref-name="Mail"
 * res-type="javax.mail.Session"
 * res-auth="Container"
 * @jboss.resource-ref
 * res-ref-name="Mail"
 * jndi-name="java:/Mail"

Using the global namespace you simply do a lookup of "java:/Mail".
No narrowing.

[fla83tn]

Thanks for the reply, but I solved the problem myself!
The problem was that I was trying to access the java: namespace from outside a bean and my descriptor file was wrong!

With the following all goes right:

For example, in my entity bean I want to refer at java:/Mail so I must declare in the ejb-jar the following:

<entity>
 <ejb-name>LineOrder</ejb-name>
 ............................
 <resource-env-ref>
 <resource-env-ref-name>mail/Mail</resource-env-ref-name>
 <resource-env-ref-type>javax.mail.Session</resource-env-ref-type>
 </resource-env-ref>
/entity>

and in the file jboss.xml:

<entity>
 <ejb-name>LineOrder</ejb-name>
 ........................................
 <resource-env-ref>
 <resource-env-ref-name>mail/Mail</resource-env-ref-name>
 <jndi-name>java:/Mail</jndi-name>
 </resource-env-ref>
</entity>

So in my entyty bean (LineOrderBean.java for example) I can do:

 session = (javax.mail.Session) c.lookup("java:comp/env/mail/Mail");

I hope this can be helpful for somebody..