Last updated on MARCH 08, 2017
Applies to:Oracle9iAS Single Sign-On - Version: 9.0.4 to 10.1.2
This problem can occur on any platform.
The 10gAS site has SSO configured with Wndows Native Authentication (WNA) and WNA login has been working without errors for some time.
Now login to /oiddas and other SSO Partner Applications no longer works.
Error in browser: HTTP-500 Internal Server Error when Login link is clicked.
Errors in opmn/logs/OC4J~OC4J_SECURITY~default_island~1 logfile:
06/01/16 14:55:43 principal is HTTP/sso_hostname.oracle.com@ORACLE.COM
06/01/16 14:55:44 [Krb5LoginModule] authentication failed
Password has expired - change password to reset (23)
06/01/16 14:55:44 KerberosAuthenticator: GSSException raised in constructor - No valid credentials provided (Mechanism level: Attempt to obtain new ACCEPT credentials failed!)
06/01/16 14:55:44 GSSException: No valid credentials provided (Mechanism level: Attempt to obtain new ACCEPT credentials failed!)
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