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R12: " Database connection could not be established" Error When Running Script and (Doc ID 1492611.1)

Last updated on AUGUST 15, 2023

Applies to:

Oracle Applications DBA - Version 12.1.1 to 12.1.3 [Release 12.1]
Information in this document applies to any platform.


E-Business Suite R12 Applications DBA, Issues with the Functionality of AD Utilities


After database upgrade from 11.1 to 11.2 Oracle and scripts will not work. / fails with following:

This is a stub library which can be used for linking only. It must *not* be used as a runtime library. Please make sure this library is not found in LD_LIBRARY_PATH.

Problem Description:
Database upgrade from to
Can connect to the database successfully from the admin/web technology stack (applmgr) runs without issues.
Can manually start individual scripts.


Missing object


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