#4462 [HHQ-3981] User requests the ability to disable the stacktra

[Hyperic Team]

http://jira.hyperic.com/browse/HHQ-3981
This is coming from escalation: SUPPORT-7813

Customer ran vulnerabilities scan and showing stack traces is one of them.

We should be able to configure the stacktraces to be turned off in the GenericError.jsp, as they are only helpful to us (usually).