Exception resolving conflict when no tags conflicting

[smsm1]

When say the number of nodes is changed by someone else before you upload and you do an update the following can occur when you try to resolve the conflict.

Path: trunk
URL: ​http://josm.openstreetmap.de/svn/trunk
Repository Root: ​http://josm.openstreetmap.de/svn
Repository UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Revision: 1588
Node Kind: directory
Last Changed Author: stoecker
Last Changed Rev: 1588
Last Changed Date: 2009-05-12 18:05:11 +0200 (Tue, 12 May 2009)

Java version: 1.6.0_07
Plugins: AgPifoJ;routing;terracer;usertools;utilsplugin;validator
Plugin AgPifoJ Version: 14916
Plugin routing Version: 14404
Plugin terracer Version: 14048
Plugin usertools Version: 14125
Plugin utilsplugin Version: 14356
Plugin validator Version: 14123

java.lang.IndexOutOfBoundsException: Index: 0, Size: 0

at java.util.ArrayList.RangeCheck(ArrayList.java:547)
at java.util.ArrayList.get(ArrayList.java:322)
at org.openstreetmap.josm.gui.ConflictResolver$ResolveAction.actionPerformed(ConflictResolver.java:113)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2028)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2351)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)
at java.awt.Component.processMouseEvent(Component.java:6126)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3265)
at java.awt.Component.processEvent(Component.java:5891)
at java.awt.Container.processEvent(Container.java:2102)
at java.awt.Component.dispatchEventImpl(Component.java:4497)
at java.awt.Container.dispatchEventImpl(Container.java:2160)
at java.awt.Component.dispatchEvent(Component.java:4327)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4366)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4030)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3960)
at java.awt.Container.dispatchEventImpl(Container.java:2146)
at java.awt.Window.dispatchEventImpl(Window.java:2440)
at java.awt.Component.dispatchEvent(Component.java:4327)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:300)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:210)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:204)
at java.awt.Dialog$1.run(Dialog.java:1045)
at java.awt.Dialog$3.run(Dialog.java:1097)
at java.security.AccessController.doPrivileged(Native Method)
at java.awt.Dialog.show(Dialog.java:1095)
at java.awt.Component.show(Component.java:1422)
at java.awt.Component.setVisible(Component.java:1375)
at java.awt.Window.setVisible(Window.java:806)
at java.awt.Dialog.setVisible(Dialog.java:985)
at org.openstreetmap.josm.gui.ExtendedDialog.<init>(ExtendedDialog.java:48)
at org.openstreetmap.josm.gui.dialogs.ConflictDialog.resolve(ConflictDialog.java:120)
at org.openstreetmap.josm.gui.dialogs.ConflictDialog.access$100(ConflictDialog.java:48)
at org.openstreetmap.josm.gui.dialogs.ConflictDialog$3.mouseClicked(ConflictDialog.java:78)
at java.awt.AWTEventMulticaster.mouseClicked(AWTEventMulticaster.java:253)
at java.awt.Component.processMouseEvent(Component.java:6129)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3265)
at java.awt.Component.processEvent(Component.java:5891)
at java.awt.Container.processEvent(Container.java:2102)
at java.awt.Component.dispatchEventImpl(Component.java:4497)
at java.awt.Container.dispatchEventImpl(Container.java:2160)
at java.awt.Component.dispatchEvent(Component.java:4327)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4366)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4039)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3960)
at java.awt.Container.dispatchEventImpl(Container.java:2146)
at java.awt.Window.dispatchEventImpl(Window.java:2440)
at java.awt.Component.dispatchEvent(Component.java:4327)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:300)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:210)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:200)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:195)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:187)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:121)

[stoecker]

Closed as duplicate of #2609.