what is EJB-REF

[akilan irudaya raja]

Hi All,

what is <EJB-REF> in web.xml
and how to use that

Thanks
Akilan

[Malli Raman]

Originally posted by akilan irudaya raja:
Hi All,

what is <EJB-REF> in web.xml
and how to use that

Thanks
Akilan

If your servlets is referring any EJB's you have mention the EJB Name in the EJB-REF.

[Sivasundaram Umapathy]

<ejb-ref> is used to refer to an EJB from the web application. For ex: If you need to use a EJB for which you don't know the JNDI name in the real environment,you can use ejb-ref as


<web-app>
<ejb-ref>
<ejb-ref-name>ejb/MyBean</ejb-ref-name>
<ejb-ref-type>Session</ejb-ref-type>
<home>MyBeanHome</home>
<remote>MyBean</remote>
</ejb-ref>
</web-app>

and refer from your servlet as


InitialContext ctx = new InitialContext();
MyBeanHome home = (MyBeanHome) ctx.lookup("java:comp/env/ejb/MyBean");
MyBean bean = home.create();

The deployer would resolve this reference while deploying the WAR in the application server.

HTH
Siva

p.s. It's ejb-ref and not EJB-REF. Remember that the descriptor elements are case sensitive