Error when selecting several buildings

[Atalanttore]

Hi,

JOSM reports this error when I select several buildings (with different addresses) via Ctrl + mouse click.

Revision: 8993
Repository Root: http://josm.openstreetmap.de/svn
Relative URL: ^/trunk
Last Changed Author: Don-vip
Last Changed Date: 2015-11-05 03:05:19 +0100 (Thu, 05 Nov 2015)
Build-Date: 2015-11-05 02:34:01
URL: http://josm.openstreetmap.de/svn/trunk
Repository UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last Changed Rev: 8993

Identification: JOSM/1.5 (8993 de) Windows 7 64-Bit
Memory Usage: 182 MB / 892 MB (45 MB allocated, but free)
Java version: 1.8.0_65, Oracle Corporation, Java HotSpot(TM) 64-Bit Server VM
Dataset consistency test: No problems found

Plugins:
- AddrInterpolation (31694)
- FixAddresses (31694)
- HouseNumberTaggingTool (31603)
- OpeningHoursEditor (31696)
- RoadSigns (31694)
- alignways (31694)
- buildings_tools (31694)
- editgpx (31603)
- lakewalker (31694)
- measurement (31694)
- terracer (31694)
- turnlanes (31603)
- turnrestrictions (31694)
- undelete (31603)
- waydownloader (31603)

Last errors/warnings:
- E: java.lang.ClassCastException: java.util.TreeMap cannot be cast to java.lang.String

java.lang.ClassCastException: java.util.TreeMap cannot be cast to java.lang.String
	at java.text.Collator.compare(Unknown Source)
	at javax.swing.DefaultRowSorter.compare(Unknown Source)
	at javax.swing.DefaultRowSorter.access$100(Unknown Source)
	at javax.swing.DefaultRowSorter$Row.compareTo(Unknown Source)
	at javax.swing.DefaultRowSorter$Row.compareTo(Unknown Source)
	at java.util.ComparableTimSort.countRunAndMakeAscending(Unknown Source)
	at java.util.ComparableTimSort.sort(Unknown Source)
	at java.util.Arrays.sort(Unknown Source)
	at javax.swing.DefaultRowSorter.sort(Unknown Source)
	at javax.swing.DefaultRowSorter.setSortKeys(Unknown Source)
	at javax.swing.DefaultRowSorter.toggleSortOrder(Unknown Source)
	at javax.swing.plaf.basic.BasicTableHeaderUI$MouseInputHandler.mouseClicked(Unknown Source)
	at java.awt.AWTEventMulticaster.mouseClicked(Unknown Source)
	at java.awt.Component.processMouseEvent(Unknown Source)
	at javax.swing.JComponent.processMouseEvent(Unknown Source)
	at java.awt.Component.processEvent(Unknown Source)
	at java.awt.Container.processEvent(Unknown Source)
	at java.awt.Component.dispatchEventImpl(Unknown Source)
	at java.awt.Container.dispatchEventImpl(Unknown Source)
	at java.awt.Component.dispatchEvent(Unknown Source)
	at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
	at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
	at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
	at java.awt.Container.dispatchEventImpl(Unknown Source)
	at java.awt.Window.dispatchEventImpl(Unknown Source)
	at java.awt.Component.dispatchEvent(Unknown Source)
	at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
	at java.awt.EventQueue.access$500(Unknown Source)
	at java.awt.EventQueue$3.run(Unknown Source)
	at java.awt.EventQueue$3.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
	at java.awt.EventQueue$4.run(Unknown Source)
	at java.awt.EventQueue$4.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
	at java.awt.EventQueue.dispatchEvent(Unknown Source)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
	at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
	at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
	at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
	at java.awt.EventDispatchThread.run(Unknown Source)

[Don-vip]

Closed as duplicate of #12073.