Enterprise Manager Fusion Middleware Control(fmwc) Fails with "Error 500--Internal Server Error" and "MDSLockedSessionManager already registered"

(Doc ID 2309706.1)

Last updated on SEPTEMBER 21, 2017

Applies to:

Enterprise Manager for Fusion Middleware - Version 11.1.1.7.0 to 11.1.1.7.0
Information in this document applies to any platform.

Symptoms

Accessing Enterprise Manager Fusion Middleware Control(fmwc) page failed with below error:

"Error 500--Internal Server Error"

Complete error stack is as below:



Changes

 

Cause

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