WebLogic Managed Server Reports Intermittent Errors: The Admin Server Is Unavailable "java.io.IOException: The connection manager to ConnectionManager for: XXXXX has already been shutdown." (Doc ID 888187.1)

Last updated on MAY 24, 2017

Applies to:

Oracle WebLogic Server - Version 9.2 and later
Information in this document applies to any platform.
***Checked for relevance on 16-Dec-2015***

Symptoms

In the managed WebLogic Server instance log file, there are many log entries like below:

This disconnect and reconnect is happening approximately every five minutes.

Cause

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