id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
10513	Error in validator for opening_hours (Cannot modify a property of a sealed object)	Klumbumbus	team	"What steps will reproduce the problem?
 1. add opening_hours=Mo-Su 09:00-21:00
 2. validate

What is the expected result?

no error, since the value should be fine

What happens instead?

validator gives the following error:

`opening_hours - InternalError: Cannot modify a property of a sealed object: getWeekNumber. (<Unknown source>#4244)`

Please provide any additional information below. Attach a screenshot if
possible.

Happens with latest and testst. I can attach debug console output if needed.

{{{
Repository Root: http://josm.openstreetmap.de/svn
Build-Date: 2014-09-14 01:33:36
Last Changed Author: Don-vip
Revision: 7533
Repository UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Relative URL: ^/trunk
URL: http://josm.openstreetmap.de/svn/trunk
Last Changed Date: 2014-09-14 02:28:06 +0200 (Sun, 14 Sep 2014)
Last Changed Rev: 7533

Identification: JOSM/1.5 (7533 en) Windows 7 32-Bit
Memory Usage: 247 MB / 742 MB (166 MB allocated, but free)
Java version: 1.7.0_67, Oracle Corporation, Java HotSpot(TM) Client VM
VM arguments: [-Djava.security.policy=file:C:\Program Files\Java\jre7\lib\security\javaws.policy, -DtrustProxy=true, -Djnlpx.home=<java.home>\bin, -Djnlpx.origFilenameArg=C:\Program Files\josm-latest.jnlp, -Djnlpx.remove=true, -Djava.util.Arrays.useLegacyMergeSort=true, -Djnlpx.heapsize=256m,768m, -Djnlpx.splashport=62655, -Djnlpx.jvm=<java.home>\bin\javaw.exe, -Djnlpx.vmargs=LURqYXZhLnV0aWwuQXJyYXlzLnVzZUxlZ2FjeU1lcmdlU29ydD10cnVlAA==]
Program arguments: [--debug]
Dataset consistency test: No problems found

Plugins:
- DirectUpload (30416)
- HouseNumberTaggingTool (30416)
- OpeningHoursEditor (30609)
- PicLayer (30436)
- Tracer2 (30416)
- buildings_tools (30485)
- editgpx (30416)
- imagery_offset_db (30534)
- measurement (30416)
- notes (v0.9.4)
- public_transport (30416)
- reltoolbox (30587)
- reverter (30521)
- terracer (30614)
- turnrestrictions (30454)
- undelete (30416)
- utilsplugin2 (30460)

Last errors/warnings:
- W: Detected deprecated 'canvas{background-color}' in 'https://github.com/bastik/mapcss-tools/raw/osm/mapnik2mapcss/osm-results/mapnik.zip' which will be removed shortly. Use 'fill-color' instead.
}}}
"	defect	closed	normal	14.09	Core validator		fixed	template_report java7 webstart