Change oc4j administrator password
Stop OC4J and the Application Server Control.
Enter the following command in the Oracle home of the application server instance:
(UNIX) ORACLE_HOME/opmn/bin/opmnctl stopproc ias-component=OC4J
(Windows) ORACLE_HOMEopmnbinopmnctl stopproc ias-component=OC4J
Locate and open the following file in a text editor:
Locate the line that defines the credentials property for the oc4jadmin user.
The following example shows the section of system-jazn-data.xml with the encrypted credentials entry in boldface type:
Replace the existing encrypted password with the new password.
Be sure to prefix the password with an exclamation point (!). For example:
The password for the oc4jadmin user should conform to following guidelines:
Must contain at least five characters, but not more than 30 characters.
Must begin with an alphabetic character. It cannot begin with a number, the underscore (_), the dollar sign ($), or the number sign (#).
At least one of the characters must be a number.
Can contain only the following characters; numbers, letters, and the following special characters: US dollar sign ($), number sign (#), or underscore (_).
Cannot contain any Oracle reserved words, such as VARCHAR.
Delete cached password data by deleting the contents of the following directory:
Start OC4J and the Application Server Control.
After the restart, the Application Server Control will use your new Administrator (oc4jadmin) password, which will be stored in encrypted format within the system-jazn-data.xml file.