Error while editing

[Klumbumbus]

I was just hiding the data layer for better view on the aerial imagery, then this error appeared. JOSM crashed.

Repository Root: http://josm.openstreetmap.de/svn
Build-Date: 2014-10-08 01:35:06
Last Changed Author: Don-vip
Revision: 7608
Repository UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Relative URL: ^/trunk
URL: http://josm.openstreetmap.de/svn/trunk
Last Changed Date: 2014-10-08 00:01:23 +0200 (Wed, 08 Oct 2014)
Last Changed Rev: 7608

Identification: JOSM/1.5 (7608 en) Windows 7 32-Bit
Memory Usage: 388 MB / 742 MB (67 MB allocated, but free)
Java version: 1.7.0_67, Oracle Corporation, Java HotSpot(TM) Client VM
VM arguments: [-Djava.security.policy=file:C:\Program Files\Java\jre7\lib\security\javaws.policy, -DtrustProxy=true, -Djnlpx.home=<java.home>\bin, -Djnlpx.origFilenameArg=C:\Program Files\josm-latest.jnlp, -Djnlpx.remove=true, -Djava.util.Arrays.useLegacyMergeSort=true, -Djnlpx.heapsize=256m,768m, -Djnlpx.splashport=57656, -Djnlpx.jvm=<java.home>\bin\javaw.exe, -Djnlpx.vmargs=LURqYXZhLnV0aWwuQXJyYXlzLnVzZUxlZ2FjeU1lcmdlU29ydD10cnVlAA==]
Program arguments: [--debug]
Dataset consistency test: No problems found

Plugins:
- DirectUpload (30697)
- HouseNumberTaggingTool (30416)
- OpeningHoursEditor (30609)
- PicLayer (30436)
- Tracer2 (30416)
- buildings_tools (30485)
- download_along (30416)
- editgpx (30634)
- imagery_offset_db (30534)
- measurement (30641)
- notes (v0.9.4)
- public_transport (30664)
- reltoolbox (30587)
- reverter (30521)
- tag2link (30416)
- terracer (30643)
- turnrestrictions (30651)
- undelete (30416)
- utilsplugin2 (30460)

Last errors/warnings:
- W: Detected deprecated 'canvas{background-color}' in 'https://github.com/bastik/mapcss-tools/raw/osm/mapnik2mapcss/osm-results/mapnik.zip' which will be removed shortly. Use 'fill-color' instead.
- E: java.net.SocketException: Socket Closed
- E: java.lang.NullPointerException

java.lang.NullPointerException
	at javax.swing.SwingUtilities.computeIntersection(Unknown Source)
	at javax.swing.RepaintManager$3.run(Unknown Source)
	at javax.swing.RepaintManager$3.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
	at javax.swing.RepaintManager.paintDirtyRegions(Unknown Source)
	at javax.swing.RepaintManager.paintDirtyRegions(Unknown Source)
	at javax.swing.RepaintManager.prePaintDirtyRegions(Unknown Source)
	at javax.swing.RepaintManager.access$1100(Unknown Source)
	at javax.swing.RepaintManager$ProcessingRunnable.run(Unknown Source)
	at java.awt.event.InvocationEvent.dispatch(Unknown Source)
	at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
	at java.awt.EventQueue.access$200(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.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)