Show an error message describing the passed exception. The implementation
of IMessageHandler may or may not treat this differently to
showMessage(Throwable).
Parameters: th - the exception to be shown Parameters: formatter - the ExceptionFormatter to use to format any content in the specified exception
Show an error message. The implementation of IMessageHandler
may or may not treat this differently to showMessage(String).
Parameters: session - the session that generated the exception. Parameters: th - Exception.
Show a message describing the passed exception.
Parameters: th - the exception to be shown Parameters: formatter - the ExceptionFormatter to use to format any content in the specified exception