J2EE and EJB3 2

[russland]

Hi there,

I'm a C# developer and diving into J2EE 6.0 and starting with the latest Eclipse Galileo J2EE distribution and Tomcat 6.0.

1) I create a EJB Project (no error).
2) I created a EJB 3.0 Session Bean. Error with import of javax.ejb.Stateless saying: "the import of javax.ejb cannot be resolved". 2nd error with annotation @Stateless: "stateless cannot be resolved to a type"

here's the code.

package com.test.secs;
import javax.ejb.Stateless;
@Stateless
public class Directory implements DirectoryLocal {
    public Directory() {
        // TODO Auto-generated constructor stub
    }
    public void deleteUser(){
    	//TODO Delete user in LDAP.
    }
}

It totally puzzles me, that this libraries do not come with the Eclipse J2EE compilation - or - am I mistakin? Anything that I miss or need to learn?

Any hint is warmly welcome. I spent hours on this issue.

 

[jaxtell]

I think you need to make sure the j2ee.jar (not sure the exact name) is in your build path.

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[russland]

hm. yes. good guess. i might have referenced the wrong jre, right? doesn't that J2EE-JRE come with the Eclipse J2EE bundle?

sorry, for playing so stupid. It's just no obvious nor plausible to me.

 

[russland]

Where do I need to point the "JRE HOME"?

Btw, Tomcat is not a J2EE server suporting EJB? right? Well, if that's the case, I don't need to try any further because then I wouldn't find any libraries for EJB syntax.

answer and advice?

 

[russland]

Okay I've learned I need OpenESB from Apache for the Tomcat server in order to run EJB.

 

[russland]

Solution:
1) When OpenEJB Plugin for Eclipse is downloaded and installed from the Apache OpenEJB, do a restart.
2) Create a new EJB Project
2.1) Name it.
2.2) Create a new target runtime. Select OpenEJB 3.x.x from the Apache folder. Target the location %catalina_home%/webapps/openejb/.
2.3) Select EJB module version to 3.0
2.4) Select the Default OpenEJB 3.x.x
2.5) Finish.
3) Create a new Session bean
3.1) Name it.
3.2) Finish.
Your session bean is ready - and libraries are correctly maped. Read to use EJB 3.0. Have fun.

 

[jaxtell]

I'm glad you figured it out. Sorry I couldn't be more help.

-----------------------------------------
I cannot be bought. Find leasing information at

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[russland]

Another Hint: deploy (install) AXIS2 war before OpenEJB war on your tomcat server 6.x. Otherwise the tomcat server will not start.

 

[Diancecht]

You could also consider JBoss as an option

Cheers,
Dian