11g After Applying Database 11g or 12c Patch - Connection to Discoverer Plus and Viewer Fails with ORA-03113

(Doc ID 1627043.1)

Last updated on SEPTEMBER 15, 2016

Applies to:

Oracle Discoverer - Version and later
Information in this document applies to any platform.


When attempting to connect to the Discoverer 10g or 11g with Single Sign-On enabled , the following error occurs :

A connection error has occurred.
- Discoverer does not support direct connections to Heterogeneous Data Sources.
- ORA-03113: end-of-file on communication channel


Applied the Oracle Database or 12c ( patch set

Enabled SSO with the Discoverer 10g or 11g


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