NullPointerException when deleting/loading images

[richlv]

deleted a layer of somewhat large amount of images, then opened some more images - NullPointerException

Revision: 8677
Repository Root: http://josm.openstreetmap.de/svn
Relative URL: ^/trunk
Last Changed Author: Don-vip
Last Changed Date: 2015-08-21 22:18:03 +0200 (Fri, 21 Aug 2015)
Build-Date: 2015-08-21 23:32:08
URL: http://josm.openstreetmap.de/svn/trunk
Repository UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last Changed Rev: 8677

Identification: JOSM/1.5 (8677 en_GB) Linux openSUSE 13.2 (Harlequin) (x86_64)
Memory Usage: 622 MB / 683 MB (303 MB allocated, but free)
Java version: 1.8.0_51, Oracle Corporation, OpenJDK 64-Bit Server VM
VM arguments: [-Djava.net.useSystemProxies=true]
Dataset consistency test: No problems found

Plugins:
- ColumbusCSV (31241)
- InfoMode (31241)
- Mapillary (31525)
- PicLayer (31241)
- commons-imaging (31241)
- imagery_offset_db (31241)
- jna (31126)
- log4j (31231)
- measurement (31289)
- pbf (31241)
- photo_geotagging (31241)
- photoadjust (31413)
- reverter (31241)
- terracer (31241)
- videomapping (31241)

Last errors/warnings:
- E: videomapping: unable to locate VLC install dir
- E: java.lang.NullPointerException

java.lang.NullPointerException
	at org.openstreetmap.josm.actions.OpenFileAction$OpenFileTask.<init>(OpenFileAction.java:114)
	at org.openstreetmap.josm.actions.OpenFileAction$OpenFileTask.<init>(OpenFileAction.java:132)
	at org.openstreetmap.josm.actions.OpenFileAction.actionPerformed(OpenFileAction.java:72)
	at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2022)
	at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2346)
	at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402)
	at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259)
	at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:252)
	at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:289)
	at java.awt.Component.processMouseEvent(Component.java:6525)
	at javax.swing.JComponent.processMouseEvent(JComponent.java:3324)
	at java.awt.Component.processEvent(Component.java:6290)
	at java.awt.Container.processEvent(Container.java:2234)
	at java.awt.Component.dispatchEventImpl(Component.java:4881)
	at java.awt.Container.dispatchEventImpl(Container.java:2292)
	at java.awt.Component.dispatchEvent(Component.java:4703)
	at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4898)
	at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4533)
	at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4462)
	at java.awt.Container.dispatchEventImpl(Container.java:2278)
	at java.awt.Window.dispatchEventImpl(Window.java:2750)
	at java.awt.Component.dispatchEvent(Component.java:4703)
	at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:758)
	at java.awt.EventQueue.access$500(EventQueue.java:97)
	at java.awt.EventQueue$3.run(EventQueue.java:709)
	at java.awt.EventQueue$3.run(EventQueue.java:703)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75)
	at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:86)
	at java.awt.EventQueue$4.run(EventQueue.java:731)
	at java.awt.EventQueue$4.run(EventQueue.java:729)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:728)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)

[simon04]

In 8705/josm:

OpenFileAction: fix NPE - fixes #11817

NPE occurred when launching JOSM w/ invalid filename, e.g. geo:1,2