AttachDetachException.new AttachDetachException.Command() {...}

Source file "com/google/gwt/user/client/ui/AttachDetachException.java" was not found during generation of report.

Element	Missed Instructions	Cov.	Missed Branches	Cov.	Missed	Cxty	Missed	Lines	Missed	Methods
Total	6 of 6	0%	0 of 0	n/a	2	2	3	3	2	2
{...}		0%		n/a	1	1	1	1	1	1
execute(Widget)		0%		n/a	1	1	2	2	1	1