how 2 call ejb file& servlet ie servlet& ejb communication

[bandlapalli reddy]

hello please give me the details of how 2 call ejb file& servlet ie servlet& ejb communication what is the importence of communication give me the exaple
thank you

[Chris Mathews]

I don't understand exactly what you are asking. Do you just want to know how to call an EJB from a Servlet? It is the same as calling an EJB from anywhere else...
Assuming the Servlet is running in the same WLS instance as the EJB, your code would look something like:

// Get JNDI Context
Context ctx = new InitialContext();
// Lookup Local Home 
HelloWorldLocalHome home = (HelloWorldLocalHome)ctx.lookup("jndiname.of.ejb");
// Create Local EJB
HelloWorldLocal ejb = home.create();
// Use EJB...

[Marcos Maia]

Hi,
It's a recommended good practice to use a pattern here. Look for ServiceLocator and/or HomeCache patterns.
regards.