id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
11466	ConcurrentModificationException in java.util.HashMap	anonymous	team	"Hi,

I have recently reported other tickets, and this is what I was doing: #11463 and #11461

This time I just launched JOSM (no internet connection, was just pre-loading it), and did not work. 

Cheers,
{{{
Repository Root: http://josm.openstreetmap.de/svn
Build-Date: 2015-05-08 01:31:23
Last Changed Author: stoecker
Revision: 8339
Repository UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Relative URL: ^/trunk
URL: http://josm.openstreetmap.de/svn/trunk
Last Changed Date: 2015-05-07 17:30:43 +0200 (Thu, 07 May 2015)
Last Changed Rev: 8339

Identification: JOSM/1.5 (8339 en) Linux Ubuntu 14.04.2 LTS
Memory Usage: 326 MB / 857 MB (262 MB allocated, but free)
Java version: 1.7.0_79, Oracle Corporation, OpenJDK 64-Bit Server VM
Java package: openjdk-7-jre:amd64-7u79-2.5.5-0ubuntu0.14.04.2
VM arguments: [-Djosm.restart=true, -Djava.net.useSystemProxies=true]

Plugins:
- DirectUpload (30892)
- ImportImagePlugin (31114)
- PicLayer (31114)
- editgpx (30892)
- geotools (31068)
- jts (31002)
- log4j (30892)
- opendata (31116)
- utilsplugin2 (31120)

Last errors/warnings:
- E: Broken tagging preset ""surface-Surface"" - number of items in 'display_values' must be the same as in 'values'
- E: Broken tagging preset ""surface-Surface"" - number of items in 'display_values' must be the same as in 'values'
- E: java.util.ConcurrentModificationException
- E: Connection to proxy 'wpad.icrc.visitor:8080' for URI 'https://josm.openstreetmap.de/wiki/TestedVersion?format=txt' failed. Exception was: java.net.UnknownHostException: wpad.icrc.visitor
- W: Unable to detect latest version of JOSM: Unknown proxy type : HTTP

java.util.ConcurrentModificationException
	at java.util.HashMap$HashIterator.nextEntry(HashMap.java:922)
	at java.util.HashMap$EntryIterator.next(HashMap.java:962)
	at java.util.HashMap$EntryIterator.next(HashMap.java:960)
	at org.openstreetmap.josm.gui.preferences.ToolbarPreferences.loadActions(ToolbarPreferences.java:952)
	at org.openstreetmap.josm.gui.preferences.ToolbarPreferences.getDefinedActions(ToolbarPreferences.java:980)
	at org.openstreetmap.josm.gui.preferences.ToolbarPreferences.refreshToolbarControl(ToolbarPreferences.java:1034)
	at org.openstreetmap.josm.gui.MainApplication.main(MainApplication.java:454)
}}}
"	defect	closed	normal	15.05	Core		fixed