Unable To Start The Universal Connection Pool due to oracle.ucp.UniversalConnectionPoolException: Exception occurred while enabling failover with remote ONS subscription (Doc ID 1643840.1)

Last updated on MAY 05, 2017

Applies to:

Universal Connection Pool - Version 11.2.0.3.0 and later
Information in this document applies to any platform.

Symptoms

 Unable to start a Universal CXonnection Pool (UCP) instance owing to the following error:

 

Changes

 The type of error can occur when one of more of the ONS nodes is not online.  However, in this case it has been verified that all the host:port ONS pairs are valid.

Cause

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