INVOKING EJB SERVICE FROM OSB

1.     Create ejb Project:

·         Open eclipse in J2EE mode.

·         Click file -> new  -> other -> ejb Project.

·         Enter project name SampleEJB.

·         Target Runtime Server name. I’m using Weblogic server 10.3.6.

·         EJB module version 3.0

·         Click to add project to an EAR (use existing EAR project name or create new EAR project )

·         Click finish.

 

2.     Create New Session Bean:

·         Click file -> new -> Session Bean

·         Select EJB project Name (in this case SampleEJB )

·         Enter java Package (com.acc )

·         Enter class name (TheBean)

·         State Type (stateless)

·         In business interface Click Remote

·         Click next

 

·         Enter mapped name TheBean

·         Click finish

 

3.     Write Code:

·          Add new method to TheBeanRemote session bean interface

            _{public String saySomething(String name);}

·         Save it.

·         Go to TheBean.java. Click on error. Click Add unimplemented methods

 

·         Now write

_{public String saySomething(String name)}

_{{                   return "My name is "+ name;}

_}

·         Save it.

4.     Deploy in server

·         Right click to SampleEJBEAR -> Run As -> Run on Server.

 

·         After deploying on server, SampleEJBEAR project become Synchronized.

 

·         Now Write click on SampleEJBEAR , Export -> EAR file

 

·         Enter Destination location and click finish.

·         Open SampleEJBClient.ear file and copy SampleEJBClient.jar to a folder.

·         For JNDI name:

·         Go to http://localhost:7001/console

·         Click on server

 

·         Click Admin Server

·         Click View JNDI Tree

 

·         Click TheBean#Com

·         And get Binding Name: TheBean#com.acc.TheBeanRemote

·         This is JNDI name.

·         JNDI name : TheBean#com.acc.TheBeanRemote

5.     Create Oracle Service Bus Project

·         Switch eclipse Resource J2EE to Oracle Service Bus.

·         Click file -> new -> Oracle Service Bus Configuration Project.

 

·         Enter name OSB_Config_Project.

·         Click finish.

·         Right click on Configuration project -> new -> Oracle Service Bus Project

·         Enter name TestEJBProject.

·         Click Finish.

6.     Create JNDI Provider

 

·         Right click on OSB configuration project -> new -> JNDI Provider

 

·         Enter JNDI provider name myJNDIProvider

 

·         Click next

·         Enter server Credential

o   Description : Local WLS server

o   JNDI Cache : Enable

o    Provider URL : t3://localhost:7001

o   JNDI Request Timeout : 0

o   Username : weblogic

o   Password : welcome1

 

·         Click finish.

7.     Create Business service:

·         Create two folders inside TestEJBProject OSB project.

o   BusinessServices

o   Jars

·         Copy SampleEJBClient.jar to Jars folder.

·          Right click on BusinessServices folder and create Business Service.

 

·         Enter Business Service Name SampleEJBBusinessService.

·         Business Service Configuration

·         General tab:

o    Click Transport Type

·         Transport tab :

 

Protocol Type: ejb

Endpoint URI: ejb:myjndiprovider:TheBean#com.acc.TheBeanRemote

[ejb:<JNDIProvider name>:<JNDI Name>]

 

·         EJB Transport tab:

o   EJB 3.0 : Check

o   Client Jar: SampleEJBClient.jar  (Browse it)

o   Business Interface : Com.acc.TheBeanRemote

·         Save it.

8. Deploy and Run :