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WLS Server Not Reachable - "Failed to create Query Engine!, Failed to get database connection!, Attempt to set connection harvestable to false but the connection is already closed" (Doc ID 2636906.1)

Last updated on FEBRUARY 25, 2020

Applies to:

Oracle WebLogic Server - Version 10.3.6 and later
Information in this document applies to any platform.

Symptoms

 WLS Managed server was in not reachable state and causing high CPU utilization. We could see the below error in the logs.

 

Cause

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In this Document
Symptoms
Cause
Solution

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