﻿id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
15967	"Crash due to ""Cannot add a layer twice: NoteLayer"" when this hasn't been done"	tuxayo	team	"==== What steps will reproduce the problem?
I don't know what happened. All I remember is that I didn't try to add twice the notes layer.
Feels free to close if there are not useful info in the logs.

==== 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: 2018-01-28 23:08:56 +0100 (Sun, 28 Jan 2018)
Build-Date:2018-01-28 22:25:44
Revision:13367
Relative:URL: ^/trunk

Identification: JOSM/1.5 (13367 en) Linux Arch Linux
Memory Usage: 505 MB / 2604 MB (367 MB allocated, but free)
Java version: 1.8.0_144-b01, Oracle Corporation, OpenJDK 64-Bit Server VM
Screen: :0.0 1600x900, :0.1 1920x1080
Maximum Screen Size: 1920x1080
VM arguments: [-Djosm.restart=true]
Program arguments: [osm/josm-sessions/last.joz]

Plugins:
+ auto_tools (1515284769)
+ buildings_tools (34040)
+ measurement (33760)
+ utilsplugin2 (33991)

Last errors/warnings:
- W: Missing plugin main version in plugin eventbus-javadoc
- W: Missing plugin main version in plugin eventbus-sources
- W: No configuration settings found.  Using hardcoded default values for all pools.
- E: Handled by bug report queue: java.lang.IllegalArgumentException: Cannot add a layer twice: NoteLayer [name=Notes, associatedFile=null]


=== REPORTED CRASH DATA ===
BugReportExceptionHandler#handleException:
No data collected.

Warning issued by: BugReportExceptionHandler#handleException

=== STACK TRACE ===
Thread: AWT-EventQueue-0 (18) of main
java.lang.IllegalArgumentException: Cannot add a layer twice: NoteLayer [name=Notes, associatedFile=null]
	at org.openstreetmap.josm.gui.layer.LayerManager.realAddLayer(LayerManager.java:227)
	at org.openstreetmap.josm.gui.layer.MainLayerManager.realAddLayer(MainLayerManager.java:269)
	at org.openstreetmap.josm.gui.layer.LayerManager.lambda$addLayer$0(LayerManager.java:217)
	at org.openstreetmap.josm.gui.util.GuiHelper.runInEDTAndWaitWithException(GuiHelper.java:234)
	at org.openstreetmap.josm.gui.layer.LayerManager.addLayer(LayerManager.java:217)
	at org.openstreetmap.josm.gui.layer.LayerManager.addLayer(LayerManager.java:206)
	at org.openstreetmap.josm.actions.SessionLoadAction$Loader.addLayers(SessionLoadAction.java:140)
	at org.openstreetmap.josm.actions.SessionLoadAction$Loader.lambda$finish$0(SessionLoadAction.java:129)
	at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)
	at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:756)
	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:80)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:726)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:109)
	at java.awt.WaitDispatchSupport$2.run(WaitDispatchSupport.java:184)
	at java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:229)
	at java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:227)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.awt.WaitDispatchSupport.enter(WaitDispatchSupport.java:227)
	at java.awt.Dialog.show(Dialog.java:1084)
	at java.awt.Component.show(Component.java:1671)
	at java.awt.Component.setVisible(Component.java:1623)
	at java.awt.Window.setVisible(Window.java:1014)
	at java.awt.Dialog.setVisible(Dialog.java:1005)
	at org.openstreetmap.josm.gui.progress.swing.PleaseWaitProgressMonitor.lambda$doBeginTask$3(PleaseWaitProgressMonitor.java:256)
	at org.openstreetmap.josm.gui.progress.swing.PleaseWaitProgressMonitor.lambda$doInEDT$0(PleaseWaitProgressMonitor.java:114)
	at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)
	at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:756)
	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:80)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:726)
	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)

=== RUNNING THREADS ===
Thread: AWT-XAWT (17) of system
sun.awt.X11.XToolkit.waitForEvents(Native Method)
sun.awt.X11.XToolkit.run(XToolkit.java:568)
sun.awt.X11.XToolkit.run(XToolkit.java:532)
java.lang.Thread.run(Thread.java:748)

Thread: Nashorn AST Serializer (39) of main
sun.misc.Unsafe.park(Native Method)
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
java.util.concurrent.LinkedBlockingDeque.pollFirst(LinkedBlockingDeque.java:522)
java.util.concurrent.LinkedBlockingDeque.poll(LinkedBlockingDeque.java:684)
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073)
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
java.lang.Thread.run(Thread.java:748)

Thread: Timer-1 (42) of main
java.lang.Object.wait(Native Method)
java.lang.Object.wait(Object.java:502)
java.util.TimerThread.mainLoop(Timer.java:526)
java.util.TimerThread.run(Timer.java:505)

Thread: Thread-1 (10) of main
sun.nio.fs.LinuxWatchService.poll(Native Method)
sun.nio.fs.LinuxWatchService.access$600(LinuxWatchService.java:47)
sun.nio.fs.LinuxWatchService$Poller.run(LinuxWatchService.java:314)
java.lang.Thread.run(Thread.java:748)

Thread: TimerQueue (21) of system
sun.misc.Unsafe.park(Native Method)
java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
java.util.concurrent.DelayQueue.take(DelayQueue.java:211)
javax.swing.TimerQueue.run(TimerQueue.java:174)
java.lang.Thread.run(Thread.java:748)

Thread: RemoteControl HTTP Server (33) of main
java.net.PlainSocketImpl.socketAccept(Native Method)
java.net.AbstractPlainSocketImpl.accept(AbstractPlainSocketImpl.java:409)
java.net.ServerSocket.implAccept(ServerSocket.java:545)
java.net.ServerSocket.accept(ServerSocket.java:513)
org.openstreetmap.josm.io.remotecontrol.RemoteControlHttpServer.run(RemoteControlHttpServer.java:104)

Thread: main-worker-0 (40) of main
java.lang.Object.wait(Native Method)
java.lang.Object.wait(Object.java:502)
java.awt.EventQueue.invokeAndWait(EventQueue.java:1315)
java.awt.EventQueue.invokeAndWait(EventQueue.java:1296)
org.openstreetmap.josm.gui.PleaseWaitRunnable.doRealRun(PleaseWaitRunnable.java:113)
org.openstreetmap.josm.gui.PleaseWaitRunnable.run(PleaseWaitRunnable.java:143)
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
java.util.concurrent.FutureTask.run(FutureTask.java:266)
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
java.lang.Thread.run(Thread.java:748)

Thread: Image Fetcher 0 (43)
java.lang.Object.wait(Native Method)
sun.awt.image.ImageFetcher.nextImage(ImageFetcher.java:147)
sun.awt.image.ImageFetcher.fetchloop(ImageFetcher.java:200)
sun.awt.image.ImageFetcher.run(ImageFetcher.java:169)

Thread: JCS-ElementEventQueue-Thread-5 (30) of main
sun.misc.Unsafe.park(Native Method)
java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
java.lang.Thread.run(Thread.java:748)

Thread: File Watcher (11) of main
sun.misc.Unsafe.park(Native Method)
java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
java.util.concurrent.LinkedBlockingDeque.takeFirst(LinkedBlockingDeque.java:492)
java.util.concurrent.LinkedBlockingDeque.take(LinkedBlockingDeque.java:680)
sun.nio.fs.AbstractWatchService.take(AbstractWatchService.java:118)
org.openstreetmap.josm.io.FileWatcher.processEvents(FileWatcher.java:107)
org.openstreetmap.josm.io.FileWatcher$$Lambda$4/1768305536.run(Unknown Source)
java.lang.Thread.run(Thread.java:748)

Thread: AWT-EventQueue-0 (18) of main
Stacktrace see above.

Thread: Weak reference cleaner (22) of main
java.lang.Object.wait(Native Method)
java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:143)
java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:164)
org.openstreetmap.josm.tools.ListenableWeakReference.clean(ListenableWeakReference.java:60)
org.openstreetmap.josm.tools.ListenableWeakReference$$Lambda$102/505021446.run(Unknown Source)
java.lang.Thread.run(Thread.java:748)

Thread: Reference Handler (2) of system
java.lang.Object.wait(Native Method)
java.lang.Object.wait(Object.java:502)
java.lang.ref.Reference.tryHandlePending(Reference.java:191)
java.lang.ref.Reference$ReferenceHandler.run(Reference.java:153)

Thread: Nashorn AST Serializer (38) of main
sun.misc.Unsafe.park(Native Method)
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
java.util.concurrent.LinkedBlockingDeque.pollFirst(LinkedBlockingDeque.java:522)
java.util.concurrent.LinkedBlockingDeque.poll(LinkedBlockingDeque.java:684)
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073)
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
java.lang.Thread.run(Thread.java:748)

Thread: DestroyJavaVM (37) of main

Thread: RemoteControl HTTP Server (32) of main
java.net.PlainSocketImpl.socketAccept(Native Method)
java.net.AbstractPlainSocketImpl.accept(AbstractPlainSocketImpl.java:409)
java.net.ServerSocket.implAccept(ServerSocket.java:545)
java.net.ServerSocket.accept(ServerSocket.java:513)
org.openstreetmap.josm.io.remotecontrol.RemoteControlHttpServer.run(RemoteControlHttpServer.java:104)

Thread: Timer-0 (41) of main
java.lang.Object.wait(Native Method)
java.util.TimerThread.mainLoop(Timer.java:552)
java.util.TimerThread.run(Timer.java:505)

Thread: Map Status Collector (44) of main
sun.misc.Unsafe.park(Native Method)
java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
org.openstreetmap.josm.gui.MapStatus$Collector.run(MapStatus.java:433)
java.lang.Thread.run(Thread.java:748)

Thread: process reaper (12) of system
sun.misc.Unsafe.park(Native Method)
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073)
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
java.lang.Thread.run(Thread.java:748)

Thread: Finalizer (3) of system
java.lang.Object.wait(Native Method)
java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:143)
java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:164)
java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:209)

Thread: message-notifier-0 (36) of main
sun.misc.Unsafe.park(Native Method)
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
java.lang.Thread.run(Thread.java:748)

Thread: Java2D Disposer (14) of system
java.lang.Object.wait(Native Method)
java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:143)
java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:164)
sun.java2d.Disposer.run(Disposer.java:148)
java.lang.Thread.run(Thread.java:748)

Thread: Signal Dispatcher (4) of system

Thread: AWT-Shutdown (19) of system
java.lang.Object.wait(Native Method)
java.lang.Object.wait(Object.java:502)
sun.awt.AWTAutoShutdown.run(AWTAutoShutdown.java:295)
java.lang.Thread.run(Thread.java:748)
}}}
"	defect	closed	normal	18.02	Core notes		fixed	template_report session	
