My Oracle Support Banner

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 DECEMBER 12, 2022

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 Connection 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

To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!

In this Document
Symptoms
Changes
Cause
Solution
References


My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.