mod_plsql apps not Available (Proxy Logon Failed) Ora-604

(Doc ID 305315.1)

Last updated on NOVEMBER 04, 2016

Applies to:

Oracle HTTP Server - Version: to - Release: AS10gR2 to AS10gR2
Oracle Application Server Single Sign-On - Version: to   [Release: 10gR2 to 10gR2]
Information in this document applies to any platform.


Accessing the a DAD (e.g. /pls/orasso on the Infrastructure to connect to the SSO admin pages) returns Internal Server Error, and the HTTP Server error_log shows:
mod_plsql: /pls/orasso/htp.p HTTP-503 ORA-604 Proxy log On failed. [...]
If PlSqlLogEnabled is set to on "On" the error is more detailed:
mod_plsql: ORA-604: error occurred at reciursive SQL level 1

The value of environment variable $LANG ends in
The value of environment variable $NLS_LANG does not end in


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