Unable to authenticate session in Oracle apps R12 (12.0.4): Login Issue


Unable to authenticate session in Oracle apps R12 (12.0.4): Login Issue

The Release 12.0.4 instance was cloned from another identical instance.

When we try to login, the login page does not display

Have tried clearing the cache (_pages). Have tried recompiling jsps and bouncing however the problem still persists. 

Cleared all the Apache and related logs and found an interesting error.

 It is in the following log file:

$INST_TOP/logs/ora/10.1.3/j2ee/oacore/oacore_default_group_1/application.log

08/08/21 15:17:00.601 10.1.3.0.0 Started
08/08/21 15:17:02.769 html: 10.1.3.0.0 Started
08/08/21 15:17:33.132 html: oracle.apps.fnd.security.LeakDetectionFilter.initialized:1219349853132
08/08/21 15:17:33.132 html: LeakSetting:
global:true,session:false,aggressive:false,stderr:false,appslog:false,corelog:false
ignoring:null
08/08/21 15:17:34.859 html: chain failed
javax.servlet.ServletException: java.lang.RuntimeException: Unable to create user session. Please contact your System Administrator.
at com.evermind[Oracle Containers for J2EE 10g (10.1.3.0.0) ].server.http.EvermindPageContext.handlePageThrowable(EvermindPageContext.java:780)
Solution:

Enable FND debug

The FND debug log had the below error:

Oracle error -1654: ORA-01654: unable to extend index APPLSYS.FND_LOGINS_N2 by 16 in tablespace APPS_TS_ARCHIVE has been detected in FND_SIGNON.AUDIT_USER. 

Check if the APPS_TS_ARCHIVE Tablespace is full.

Increase the size of tablespace APPS_TS_ARCHIVE / add a datafile to the tablespace. 
This will resolve the issue.


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