LiveGPS not working

[mark@…]

What steps will reproduce the problem?

1. LiveGPS set up, GPSD running, no fix
2. Click the capture option in 'GPS' menu

What is the expected result?

LiveGPS starts to capture data (or report no fix)

What happens instead?

'You have encountered a bug' screen

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

URL:http://josm.openstreetmap.de/svn/trunk
Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last:Changed Date: 2017-01-15 23:55:54 +0100 (Sun, 15 Jan 2017)
Build-Date:2017-01-16 02:33:13
Revision:11465
Relative:URL: ^/trunk

Identification: JOSM/1.5 (11465 en_GB) Linux Ubuntu 16.04.1 LTS
Memory Usage: 372 MB / 871 MB (261 MB allocated, but free)
Java version: 1.8.0_111-8u111-b14-2ubuntu0.16.04.2-b14, Oracle Corporation, OpenJDK 64-Bit Server VM
Screen: :0.0 1024x600
Maximum Screen Size: 1024x600
Java package: openjdk-8-jre:amd64-8u111-b14-2ubuntu0.16.04.2
Program arguments: [all-wight.osm]
Dataset consistency test: No problems found

Plugins:
+ ElevationProfile (33004)
+ FixAddresses (33004)
+ download_along (32946)
+ gpxfilter (33004)
+ livegps (33078)

Last errors/warnings:
- E: Handled by bug report queue: java.lang.ExceptionInInitializerError. Cause: java.lang.IllegalArgumentException: Listener PreferenceChangedListenerAdapter [listener=org.openstreetmap.josm.data.preferences.CachingProperty@d91897a6] (instance of org.openstreetmap.josm.data.preferences.AbstractProperty$PreferenceChangedListenerAdapter) was already registered.


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

Warning issued by: BugReportExceptionHandler#handleException

=== STACK TRACE ===
Thread: AWT-EventQueue-0 (18) of main
java.lang.ExceptionInInitializerError
	at livegps.LiveGpsPlugin.enableTracking(LiveGpsPlugin.java:174)
	at livegps.LiveGpsPlugin$CaptureAction.actionPerformed(LiveGpsPlugin.java:56)
	at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2022)
	at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2348)
	at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402)
	at javax.swing.JToggleButton$ToggleButtonModel.setPressed(JToggleButton.java:308)
	at javax.swing.AbstractButton.doClick(AbstractButton.java:376)
	at javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:833)
	at javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:877)
	at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:289)
	at java.awt.Component.processMouseEvent(Component.java:6533)
	at javax.swing.JComponent.processMouseEvent(JComponent.java:3324)
	at java.awt.Component.processEvent(Component.java:6298)
	at java.awt.Container.processEvent(Container.java:2236)
	at java.awt.Component.dispatchEventImpl(Component.java:4889)
	at java.awt.Container.dispatchEventImpl(Container.java:2294)
	at java.awt.Component.dispatchEvent(Component.java:4711)
	at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4888)
	at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4525)
	at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4466)
	at java.awt.Container.dispatchEventImpl(Container.java:2280)
	at java.awt.Window.dispatchEventImpl(Window.java:2746)
	at java.awt.Component.dispatchEvent(Component.java:4711)
	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$3.run(EventQueue.java:703)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:86)
	at java.awt.EventQueue$4.run(EventQueue.java:731)
	at java.awt.EventQueue$4.run(EventQueue.java:729)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76)
	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)
Caused by: java.lang.IllegalArgumentException: Listener PreferenceChangedListenerAdapter [listener=org.openstreetmap.josm.data.preferences.CachingProperty@d91897a6] (instance of org.openstreetmap.josm.data.preferences.AbstractProperty$PreferenceChangedListenerAdapter) was already registered.
	at org.openstreetmap.josm.tools.ListenerList.failAdd(ListenerList.java:113)
	at org.openstreetmap.josm.tools.ListenerList.ensureNotInList(ListenerList.java:104)
	at org.openstreetmap.josm.tools.ListenerList.addWeakListener(ListenerList.java:82)
	at org.openstreetmap.josm.data.Preferences.addWeakKeyPreferenceChangeListener(Preferences.java:266)
	at org.openstreetmap.josm.data.preferences.AbstractProperty.addWeakListenerImpl(AbstractProperty.java:250)
	at org.openstreetmap.josm.data.preferences.AbstractProperty.addWeakListener(AbstractProperty.java:246)
	at org.openstreetmap.josm.data.preferences.CachingProperty.<init>(CachingProperty.java:27)
	at org.openstreetmap.josm.data.preferences.AbstractToStringProperty.cached(AbstractToStringProperty.java:159)
	at livegps.LiveGpsLayer.<clinit>(LiveGpsLayer.java:37)
	... 41 more

[Klumbumbus]

Closed as duplicate of #13789.