Bug when clicking to open screen where area to download is selected

[anonymous]

What steps will reproduce the problem?

1. Clicking button to download an area at the start of the process

What is the expected result?

What happens instead?

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

URL:https://josm.openstreetmap.de/svn/trunk
Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last:Changed Date: 2018-05-06 23:56:40 +0200 (Sun, 06 May 2018)
Build-Date:2018-05-06 21:59:07
Revision:13710
Relative:URL: ^/trunk

Identification: JOSM/1.5 (13710 en) Windows 8.1 64-Bit
OS Build number: Windows 10 Home 1803 (17134)
Memory Usage: 406 MB / 1803 MB (194 MB allocated, but free)
Java version: 1.8.0_51-b16, Oracle Corporation, Java HotSpot(TM) 64-Bit Server VM
Screen: \Display0 1366x768
Maximum Screen Size: 1366x768

Tagging presets:
+ http://maps.openstreetmap.ie/josm/irishboundaries.xml
+ https://josm.openstreetmap.de/josmfile?page=Presets/Irishboundaries&zip=1

Map paint styles:
+ http://maps.openstreetmap.ie/josm/townland.mapcss

Last errors/warnings:
- E: Failed to locate image 'presets/misc/boundaries.png'
- W:  Euro Constituency: Could not get presets icon presets/misc/boundaries.png
- E: Failed to locate image 'presets/misc/boundaries.png'
- W:  Historic: Could not get presets icon presets/misc/boundaries.png
- E: Failed to locate image 'presets/misc/boundaries.png'
- W:  Civil Parish: Could not get presets icon presets/misc/boundaries.png
- E: Failed to locate image 'presets/misc/boundaries.png'
- W:  Barony: Could not get presets icon presets/misc/boundaries.png
- W: No configuration settings found.  Using hardcoded default values for all pools.
- E: Handled by bug report queue: java.lang.IllegalArgumentException: Comparison method violates its general contract!


=== REPORTED CRASH DATA ===
BugReportExceptionHandler#handleException:
No data collected.

Warning issued by: BugReportExceptionHandler#handleException

=== STACK TRACE ===
Thread: AWT-EventQueue-0 (19) of main
java.lang.IllegalArgumentException: Comparison method violates its general contract!
	at java.util.TimSort.mergeHi(Unknown Source)
	at java.util.TimSort.mergeAt(Unknown Source)
	at java.util.TimSort.mergeForceCollapse(Unknown Source)
	at java.util.TimSort.sort(Unknown Source)
	at java.util.Arrays.sort(Unknown Source)
	at sun.awt.datatransfer.DataTransferer.setToSortedDataFlavorArray(Unknown Source)
	at sun.awt.datatransfer.ClipboardTransferable.<init>(Unknown Source)
	at sun.awt.datatransfer.SunClipboard.getContents(Unknown Source)
	at org.openstreetmap.josm.gui.datatransfer.ClipboardUtils.getClipboardContent(ClipboardUtils.java:107)
	at org.openstreetmap.josm.gui.datatransfer.ClipboardUtils.getClipboardContent(ClipboardUtils.java:95)
	at org.openstreetmap.josm.gui.datatransfer.ClipboardUtils.getClipboardStringContent(ClipboardUtils.java:80)
	at org.openstreetmap.josm.gui.widgets.AbstractIdTextField.tryToPasteFromClipboard(AbstractIdTextField.java:73)
	at org.openstreetmap.josm.gui.dialogs.changeset.SingleChangesetDownloadPanel.build(SingleChangesetDownloadPanel.java:64)
	at org.openstreetmap.josm.gui.dialogs.changeset.SingleChangesetDownloadPanel.<init>(SingleChangesetDownloadPanel.java:40)
	at org.openstreetmap.josm.gui.dialogs.changeset.ChangesetCacheManager.buildToolbarPanel(ChangesetCacheManager.java:141)
	at org.openstreetmap.josm.gui.dialogs.changeset.ChangesetCacheManager.build(ChangesetCacheManager.java:300)
	at org.openstreetmap.josm.gui.dialogs.changeset.ChangesetCacheManager.<init>(ChangesetCacheManager.java:318)
	at org.openstreetmap.josm.gui.dialogs.changeset.ChangesetCacheManager.getInstance(ChangesetCacheManager.java:93)
	at org.openstreetmap.josm.gui.download.BookmarkList.load(BookmarkList.java:284)
	at org.openstreetmap.josm.gui.download.BookmarkList.<init>(BookmarkList.java:240)
	at org.openstreetmap.josm.gui.download.BookmarkSelection.addGui(BookmarkSelection.java:116)
	at org.openstreetmap.josm.gui.download.DownloadDialog.buildMainPanel(DownloadDialog.java:140)
	at org.openstreetmap.josm.gui.download.DownloadDialog.<init>(DownloadDialog.java:231)
	at org.openstreetmap.josm.gui.download.DownloadDialog.<init>(DownloadDialog.java:219)
	at org.openstreetmap.josm.gui.download.DownloadDialog.getInstance(DownloadDialog.java:82)
	at org.openstreetmap.josm.actions.DownloadAction.actionPerformed(DownloadAction.java:35)
	at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
	at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
	at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
	at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
	at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source)
	at java.awt.AWTEventMulticaster.mouseReleased(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$1.doIntersectionPrivilege(Unknown Source)
	at java.security.ProtectionDomain$1.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$1.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]

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