IAE: "null is not managed by us" when try to get mapillary images without data layer

[shoorick]

What steps will reproduce the problem?

1. Install Mapillary plugin
2. Delete data layer
3. Press Shift+comma twice

What is the expected result?

Get images from mapillary.com

What happens instead?

Window with error message appears.

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: 2017-07-30 17:07:42 +0200 (Sun, 30 Jul 2017)
Build-Date:2017-07-30 15:14:00
Revision:12542
Relative:URL: ^/trunk

Identification: JOSM/1.5 (12542 en) Linux Debian GNU/Linux 8.9 (jessie)
Memory Usage: 2051 MB / 3998 MB (482 MB allocated, but free)
Java version: 1.8.0_111-8u111-b14-2~bpo8+1-b14, Oracle Corporation, OpenJDK 64-Bit Server VM
Screen: :0.0 1920x1200, :0.1 1920x1200
Maximum Screen Size: 1920x1200
Java package: openjdk-8-jre:amd64-8u111-b14-2~bpo8+1
Java ATK Wrapper package: libatk-wrapper-java:all-0.30.5-1
VM arguments: [-Djosm.restart=true, -Djava.net.useSystemProxies=true]

Plugins:
+ FastDraw (33182)
+ Mapillary (v1.5.5)
+ RoadSigns (33204)
+ apache-commons (32994)
+ apache-http (32699)
+ buildings_tools (33004)
+ imagery_offset_db (33316)
+ lakewalker (33161)
+ reverter (33088)
+ turnrestrictions (33088)
+ utilsplugin2 (33328)

Last errors/warnings:
- W: Old style SideButton usage for action org.openstreetmap.josm.gui.io.UploadSelectionDialog$ContinueAction@7b001e49
- W: Old style SideButton usage for action org.openstreetmap.josm.gui.io.UploadSelectionDialog$CancelAction@180c4914
- W: Old style SideButton usage for action org.openstreetmap.josm.gui.help.ContextSensitiveHelpAction@3d6b49f4
- W: Old style SideButton usage for action org.openstreetmap.josm.gui.io.UploadSelectionDialog$ContinueAction@4fa8b849
- W: Old style SideButton usage for action org.openstreetmap.josm.gui.io.UploadSelectionDialog$CancelAction@69c18c52
- W: Old style SideButton usage for action org.openstreetmap.josm.gui.help.ContextSensitiveHelpAction@54eaf4f4
- W: Old style SideButton usage for action org.openstreetmap.josm.gui.io.UploadSelectionDialog$ContinueAction@1b874341
- W: Old style SideButton usage for action org.openstreetmap.josm.gui.io.UploadSelectionDialog$CancelAction@3fad81d0
- W: Old style SideButton usage for action org.openstreetmap.josm.gui.help.ContextSensitiveHelpAction@3cc3cf7d
- E: Handled by bug report queue: java.lang.IllegalArgumentException: null is not managed by us.


=== 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: null is not managed by us.
	at org.openstreetmap.josm.gui.layer.LayerManager.checkContainsLayer(LayerManager.java:392)
	at org.openstreetmap.josm.gui.layer.MainLayerManager.realSetActiveLayer(MainLayerManager.java:219)
	at org.openstreetmap.josm.gui.layer.MainLayerManager.lambda$setActiveLayer$0(MainLayerManager.java:214)
	at org.openstreetmap.josm.gui.util.GuiHelper.runInEDTAndWaitWithException(GuiHelper.java:141)
	at org.openstreetmap.josm.gui.layer.MainLayerManager.setActiveLayer(MainLayerManager.java:214)
	at org.openstreetmap.josm.plugins.mapillary.actions.MapillaryDownloadAction.actionPerformed(MapillaryDownloadAction.java:51)
	at javax.swing.SwingUtilities.notifyAction(SwingUtilities.java:1663)
	at javax.swing.JComponent.processKeyBinding(JComponent.java:2882)
	at javax.swing.KeyboardManager.fireBinding(KeyboardManager.java:307)
	at javax.swing.KeyboardManager.fireKeyboardAction(KeyboardManager.java:263)
	at javax.swing.JComponent.processKeyBindingsForAllComponents(JComponent.java:2974)
	at javax.swing.JComponent.processKeyBindings(JComponent.java:2966)
	at javax.swing.JComponent.processKeyEvent(JComponent.java:2845)
	at java.awt.Component.processEvent(Component.java:6310)
	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.KeyboardFocusManager.redispatchEvent(KeyboardFocusManager.java:1954)
	at java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(DefaultKeyboardFocusManager.java:806)
	at java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(DefaultKeyboardFocusManager.java:1074)
	at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(DefaultKeyboardFocusManager.java:945)
	at java.awt.DefaultKeyboardFocusManager.dispatchEvent(DefaultKeyboardFocusManager.java:771)
	at java.awt.Component.dispatchEventImpl(Component.java:4760)
	at java.awt.Container.dispatchEventImpl(Container.java:2294)
	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)

[Don-vip]

Fixed in ​https://github.com/JOSM/Mapillary/commit/57df448ade8048063bcec68c57ded6f41b134235

[floscher]

This is now contained in the brand new release ​v1.5.8, which can now be downloaded via the plugin updater in JOSM's preferences.