Reset the oc4jadmin password using the following procedure while you are logged in as the user who installed the Oracle Application Server instance:
1. Stop OC4J and the Application Server Control.
$ORACLE_HOME/opmn/bin/opmnctl stopall
2. Locate and open the following file in a text editor:
$ORACLE_HOME/j2ee/home/config/system-jazn-data.xml
3. Locate the line that defines the credentials property for the oc4jadmin user.
jazn.com
.
.
.
oc4jadmin
OC4J Administrator
OC4J Administrator
{903}4L50lHJWIFGwLgHXTub7eYK9e0AnWLUH
4. Replace the existing encrypted password with the new password.
Be sure to prefix the password with an exclamation point (!). For example:
!mynewpassword123