Plug-in kicks you out to bug report then starts on second initation.

[anonymous]

What steps will reproduce the problem?

What is the expected result?

What happens instead?

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: 2017-04-02 01:45:00 +0200 (Sun, 02 Apr 2017)
Build-Date:2017-04-02 01:34:50
Revision:11826
Relative:URL: ^/trunk

Identification: JOSM/1.5 (11826 en) Windows 10 64-Bit
Memory Usage: 650 MB / 910 MB (222 MB allocated, but free)
Java version: 1.8.0_131-b11, Oracle Corporation, Java HotSpot(TM) 64-Bit Server VM
Screen: \Display0 1920x1080, \Display1 3840x2160, \Display2 1920x1080
Maximum Screen Size: 3840x2160
Dataset consistency test: No problems found

Plugins:
+ AddrInterpolation (33160)
+ BuildingGeneralization (1010)
+ FastDraw (33182)
+ FixAddresses (33182)
+ ImproveWay (12)
+ PicLayer (33148)
+ RoadSigns (33204)
+ ShapeTools (1220)
+ alignways (33182)
+ apache-commons (32994)
+ auto_tools (1479831713)
+ buildings_tools (33004)
+ continuosDownload (53)
+ contourmerge (1030)
+ dataimport (33024)
+ editgpx (33004)
+ fieldpapers (v0.4.1)
+ imagery_offset_db (33004)
+ imageryadjust (33004)
+ measurement (33088)
+ merge-overlap (33154)
+ pdfimport (33004)
+ photoadjust (33088)
+ reltoolbox (33088)
+ reverter (33088)
+ tageditor (33021)
+ terracer (33088)
+ turnlanes (33088)
+ turnlanes-tagging (254)
+ turnrestrictions (33088)
+ utilsplugin2 (33212)
+ walkingpapers (32796)
+ wikipedia (33098)

Tagging presets:
+ https://josm.openstreetmap.de/josmfile?page=Presets/BuildingPreset&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Presets/Crafts&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Presets/Historical_Objects&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Presets/Mountains&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Presets/OneClick&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Presets/Playground_Equipment&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Presets/Quick-highways&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Presets/PublicTransportOneClick&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Presets/BicycleJunction&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Presets/Communication_Towers&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Presets/NewParkingFeatures&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Presets/Quick-stops&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Presets/Golf_Course&zip=1

Last errors/warnings:
- W: java.io.IOException: Attribution is not loaded yet
- W: java.io.IOException: Attribution is not loaded yet
- W: java.io.IOException: Attribution is not loaded yet
- W: java.io.IOException: Attribution is not loaded yet
- W: java.io.IOException: Attribution is not loaded yet
- W: java.io.IOException: Attribution is not loaded yet
- W: java.io.IOException: Attribution is not loaded yet
- W: java.io.IOException: Attribution is not loaded yet
- W: java.io.IOException: Attribution is not loaded yet
- E: Handled by bug report queue: java.lang.IllegalArgumentException: Listener org.openstreetmap.josm.plugins.improveway.ImproveWayAccuracyAction@31a4fad9 (instance of org.openstreetmap.josm.plugins.improveway.ImproveWayAccuracyAction) was already registered.


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

Warning issued by: BugReportExceptionHandler#handleException

=== STACK TRACE ===
Thread: AWT-EventQueue-0 (21) of main
java.lang.IllegalArgumentException: Listener org.openstreetmap.josm.plugins.improveway.ImproveWayAccuracyAction@31a4fad9 (instance of org.openstreetmap.josm.plugins.improveway.ImproveWayAccuracyAction) was already registered.
	at org.openstreetmap.josm.tools.ListenerList.failAdd(ListenerList.java:113)
	at org.openstreetmap.josm.tools.ListenerList$TracingListenerList.failAdd(ListenerList.java:204)
	at org.openstreetmap.josm.tools.ListenerList.ensureNotInList(ListenerList.java:104)
	at org.openstreetmap.josm.tools.ListenerList.addListener(ListenerList.java:96)
	at org.openstreetmap.josm.tools.ListenerList$TracingListenerList.addListener(ListenerList.java:181)
	at org.openstreetmap.josm.data.Preferences.addPreferenceChangeListener(Preferences.java:238)
	at org.openstreetmap.josm.actions.mapmode.MapMode.enterMode(MapMode.java:96)
	at org.openstreetmap.josm.plugins.improveway.ImproveWayAccuracyAction.enterMode(ImproveWayAccuracyAction.java:171)
	at org.openstreetmap.josm.gui.MapFrame.selectMapMode(MapFrame.java:440)
	at org.openstreetmap.josm.gui.MapFrame.selectMapMode(MapFrame.java:419)
	at org.openstreetmap.josm.actions.mapmode.MapMode.actionPerformed(MapMode.java:128)
	at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
	at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
	at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
	at javax.swing.JToggleButton$ToggleButtonModel.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$3.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
	at java.awt.EventQueue$4.run(Unknown Source)
	at java.awt.EventQueue$4.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.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)

[Klumbumbus]

Closed as duplicate of #13896.