Saving after updating a small section of ditch

[paul.redcell@…]

What steps will reproduce the problem?

1. Extend an existing ditch
2. Save file to OneDrive folder or Dropbox or Box.

What is the expected result? File is saved to selected directory.

What happens instead? File is saved to the directory but an uncaught error sends me to the

bug tracker.

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

Revision: 7777
Repository Root: http://josm.openstreetmap.de/svn
Relative URL: ^/trunk
Last Changed Author: Don-vip
Last Changed Date: 2014-12-09 18:14:49 +0100 (Tue, 09 Dec 2014)
Build-Date: 2014-12-09 17:17:36
URL: http://josm.openstreetmap.de/svn/trunk
Repository UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last Changed Rev: 7777

Identification: JOSM/1.5 (7777 en) Windows 8.1 64-Bit
Memory Usage: 239 MB / 247 MB (122 MB allocated, but free)
Java version: 1.8.0_25, Oracle Corporation, Java HotSpot(TM) Client VM
VM arguments: [-Djava.security.manager, -Djava.security.policy=file:C:\Program Files (x86)\Java\jre1.8.0_25\lib\security\javaws.policy, -DtrustProxy=true, -Djnlpx.home=<java.home>\bin, -Djnlpx.origFilenameArg=C:\Users\Paul\AppData\LocalLow\Sun\Java\Deployment\cache\6.0\56\1ee8cfb8-45db56c9, -Djnlpx.remove=false, -Djava.util.Arrays.useLegacyMergeSort=true, -Djnlpx.splashport=54171, -Djnlp.application.href=https://josm.openstreetmap.de/download/josm.jnlp, -Djnlpx.jvm=<java.home>\bin\javaw.exe, -Djnlpx.vmargs=LURqYXZhLnV0aWwuQXJyYXlzLnVzZUxlZ2FjeU1lcmdlU29ydD10cnVlAC1Eam5scC5hcHBsaWNhdGlvbi5ocmVmPWh0dHBzOi8vam9zbS5vcGVuc3RyZWV0bWFwLmRlL2Rvd25sb2FkL2pvc20uam5scAA=]
Dataset consistency test: No problems found

Plugins:
- AddrInterpolation (30737)
- areaselector (1418297932)
- log4j (30762)

Last errors/warnings:
- E: java.lang.NullPointerException

java.lang.NullPointerException
	at javax.swing.JComponent.repaint(Unknown Source)
	at sun.swing.FilePane$3.repaintListSelection(Unknown Source)
	at sun.swing.FilePane$3.repaintSelection(Unknown Source)
	at sun.swing.FilePane$3.focusLost(Unknown Source)
	at java.awt.AWTEventMulticaster.focusLost(Unknown Source)
	at java.awt.Component.processFocusEvent(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.KeyboardFocusManager.redispatchEvent(Unknown Source)
	at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(Unknown Source)
	at java.awt.DefaultKeyboardFocusManager.dispatchEvent(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.EventQueue.dispatchEventImpl(Unknown Source)
	at java.awt.EventQueue.access$400(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.pumpEventsForFilter(Unknown Source)
	at java.awt.WaitDispatchSupport$2.run(Unknown Source)
	at java.awt.WaitDispatchSupport$4.run(Unknown Source)
	at java.awt.WaitDispatchSupport$4.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.awt.WaitDispatchSupport.enter(Unknown Source)
	at java.awt.Dialog.show(Unknown Source)
	at javax.swing.JFileChooser.showDialog(Unknown Source)
	at javax.swing.JFileChooser.showSaveDialog(Unknown Source)
	at org.openstreetmap.josm.gui.widgets.SwingFileChooser.showSaveDialog(SwingFileChooser.java:106)
	at org.openstreetmap.josm.gui.widgets.FileChooserManager.openFileChooser(FileChooserManager.java:215)
	at org.openstreetmap.josm.gui.widgets.FileChooserManager.openFileChooser(FileChooserManager.java:198)
	at org.openstreetmap.josm.actions.DiskAccessAction.createAndOpenFileChooser(DiskAccessAction.java:91)
	at org.openstreetmap.josm.actions.DiskAccessAction.createAndOpenFileChooser(DiskAccessAction.java:70)
	at org.openstreetmap.josm.actions.SaveActionBase.createAndOpenSaveFileChooser(SaveActionBase.java:153)
	at org.openstreetmap.josm.gui.layer.OsmDataLayer.createAndOpenSaveFileChooser(OsmDataLayer.java:940)
	at org.openstreetmap.josm.actions.SaveAction.getFile(SaveAction.java:59)
	at org.openstreetmap.josm.actions.SaveActionBase.doSave(SaveActionBase.java:55)
	at org.openstreetmap.josm.actions.SaveActionBase.doSave(SaveActionBase.java:46)
	at org.openstreetmap.josm.actions.SaveActionBase.actionPerformed(SaveActionBase.java:36)
	at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
	at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
	at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
	at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
	at javax.swing.plaf.basic.BasicButtonListener.mouseR