id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
2509	NullPointerException when receiving empty diff reply	anonymous	team	"Currently I have a problem uploading my data and after uploading the changeset the server replies with a 412 Precondition failed.

Besides this message itself isn't very helpful (but that's the servers fault) it still would be better than getting a dialogue titled ""Nachricht"" with the text ""java.lang.NullPointerException"".
In the past one got a StackTrace on Exceptions but, that seems to have changed.

I'm using JOSM 1566."	defect	closed	minor		Core		duplicate	Exception, Precondition Failed