What Is The Cause For "oracle.ucp.jdbc.oracle.ONSDatabaseFailoverEvent. NO timezone in HA event" during RAC failover?

(Doc ID 1627382.1)

Last updated on AUGUST 03, 2016

Applies to:

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


Whilst using Universal Connection Pool (UCP) from a Java application connecting to a RAC database, the following warning is displayed when a node failover occurs:

UCP WARNING oracle.ucp.jdbc.oracle.ONSDatabaseFailoverEvent. NO timezone in HA event

What does this message mean, and how can we set a timezone in order to avoid it?


Sign In with your My Oracle Support account

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

My Oracle Support provides customers with access to over a
Million Knowledge Articles and hundreds of Community platforms