My Oracle Support Banner

EM 12c: Repetitive TNS-12508 Errors Logged for a Listener Target after Enterprise Manager 12c Cloud Control Database Plug-in Upgrade to 12.1.0.3 or Higher (Doc ID 1596633.1)

Last updated on MARCH 05, 2019

Applies to:

Enterprise Manager for Oracle Database - Version 12.1.0.3.0 to 12.1.0.5.0 [Release 12.1]
Information in this document applies to any platform.

Symptoms

After upgrading the EM 12c Database plug-in from 12.1.0.2 to 12.1.0.3 or higher, listener targets are alerted about TNS-12508 errors in listener.log each day.

Changes

 

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.