Oracle/Middleware/user_projects/domain/domain_name/config/ and open config.xml.
<sec:authentication-provider xsi:type=”wls:ldap-authenticatorType”>
manually change authenication-provider type to “wls:active-directory-authenticatorType”.
Source:
http://www.codeconfuse.com/2014/08/oraclesecurityjpsjpsruntimeexception.html