Configuring OAF Environment Variable

Warning: This is a requirement for JDeveloper. Do not skip this task.

Configure the JDEV_USER_HOME environment variable using Windows XP or Windows 2000:

1.    Go to your desktop and select My Computer, right-click and select Properties.

2.    On the System Properties dialog, select the Advanced tab.

3.    On the Advanced page, select the Environment Variables... button.

4.    On the Environment Variables dialog, select the New... button from the User variables for <username> box.

5.    On the New User Variable dialog, 

   a) enter                   : JDEV_USER_HOME in the Variable Name field. 

   b) Set the Variable : \jdevhome\jdev

6.    Select OK in each of the dialogs you opened to save the new user environment variable.

Exception when oopp error happend 

OAF DEVELOPER 
      Project

        -> Project Settings 

            -> Runtime Connection

change existing what ever u mention 
DBC file name –  <JDEV_USER_HOME>\dbc_files\secure\~.dbc
User Name / Password – a valid apps user who has FWK_TBX_TUTORIAL responsibility
Application Short Name – default is AK
Responsibility Key – FWK_TBX_TUTORIAL