My Oracle Support Banner

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 NOVEMBER 20, 2023

Applies to:

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


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



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

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