id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
5396	Crash when user has not made a single changeset yet	anonymous	team	"What steps will reproduce the problem?
 1. Having defined no own changeset so far
 2. Open 'Changeset administration' // Änderungssatzverwaltung (Changeset manager)
 3. Click 'my changesets'

What is the expected result?
 none
What happens instead?
 messsagebox: error ...

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

{{{
Repository Root: http://josm.openstreetmap.de/svn
Build-Date: 2010-07-17 01:31:31
Last Changed Author: bastiK
Revision: 3376
Repository UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
URL: http://josm.openstreetmap.de/svn/trunk
Last Changed Date: 2010-07-16 23:44:00 +0200 (Fri, 16 Jul 2010)
Last Changed Rev: 3376

Identification: JOSM/1.5 (3376 de)
Memory Usage: 58 MB / 494 MB (22 MB allocated, but free)
Java version: 1.6.0_20, Sun Microsystems Inc., Java HotSpot(TM) Client VM
Operating system: Windows 7
Dataset consistency test: No problems found

Plugin: openstreetbugs (22466)
Plugin: remotecontrol (22734)
Plugin: validator (22445)
Plugin: wmsplugin (22286)

java.lang.IllegalArgumentException: Expected non-empty value for parameter 'userName', got ''
	at org.openstreetmap.josm.gui.JosmUserIdentityManager.setPartiallyIdentified(JosmUserIdentityManager.java:86)
	at org.openstreetmap.josm.gui.JosmUserIdentityManager.initFromPreferences(JosmUserIdentityManager.java:177)
	at org.openstreetmap.josm.gui.dialogs.changeset.ChangesetCacheManager$DownloadMyChangesets.acti"	defect	closed	trivial		Core	latest	fixed	template_report