Password is invalid in combination with credential reference.

Go to Configuration -> Messaging (ActiveMQ) -> Server -> Clustering and press view or  http://127.0.0.1:9990/console/index.html#messaging-server-clustering;server=default Navigate to Bridge Create bridge with parameters Name = test (can be random) Queue Name = test (can be random) Static Connectors = http-connector On test bridge add Credential Reference When "Do you want remove the value for 'Password' and add 'Credential Reference'?" click Yes Input parameters (for test purpose only Clear Test is enough) and add the credential reference Try edit the parameter of Credential Reference and error appear   When you want to work with more parameters of Credential Reference it's needed valid parameters otherwise after reload the server start with error.