JSSO Fails with No Login Module is Configured for Application oracle.security.jazn.oc4j.KerberosAuthenticator

(Doc ID 847231.1)

Last updated on MARCH 08, 2017

Applies to:

Oracle Containers for J2EE - Version: to
This problem can occur on any platform.


Oracle AS with an ORA_BPEL container configured JSSO for Windows Native Authentication.
The test for JSSO at the following URL http://host:port/jsso/SSOLogin fails with the error in
the browser :-

"401 Unauthorized
Windows Native Authentication Failed.
Please contact your administrator."

In the opmn log there is the following error :-

"09/06/17 12:08:05 IOException raised: No Login Module is configured for application oracle.security.jazn.oc4j.KerberosAuthenticator. Exception: [JAZN] No LoginModules configured for oracle.security.jazn.oc4j.KerberosAuthenticator
09/06/17 12:08:05 Value for user mapping attribute , username not found in OID for kerberos user: username@servername.COM"

System has been configured as per the instructions in :-

21 Configuring Windows Native Authentication
Oracle® Containers for J2EE Security Guide 10g (


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