id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
7912	Validator crashes on 0 node highway	Gnonthgol	team	"Steps to reproduce:
1. Start out with a clean JOSM instance version 5356 and 5369 are confirmed to have this problem.
2. Open a .osm file that includes a way with 0 nodes and a ""highway"" tag.
3. Click the ""Validate"" button in the validation window or try to upload the file.

Expected result:
Validator should give a strong and clear message that there is a problem and upload should be haulted.

Actual result:
JOSM throws the following exception and stops the upload without any clear error messages.

{{{
java.lang.NullPointerException
	at org.openstreetmap.josm.data.validation.tests.WayConnectedToArea.visit(WayConnectedToArea.java:29)
...
}}}
"	defect	closed	normal		Core		duplicate