Trying To Connect Using Discoverer Plus/Viewer 11g To EBS Database Get Connection Error - Attempt 1. CORBA protocol : Failed to Contact to OPMN (Doc ID 2134913.1)

Last updated on MARCH 08, 2017

Applies to:

Oracle Discoverer - Version 11.1.1.7.0 and later
Information in this document applies to any platform.

Symptoms

While trying to connect using Discoverer Plus Or Viewer 11g to EBS R12 database, getting following error

 

Changes

 There were multiple instances of Domains and Oracle Instances were installed on the Discoverer Server machine.

Cause

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