Crash when activating a PicLayer layer

[Zverikk]

What steps will reproduce the problem?

1. Download some data
2. Add a PicLayer layer
3. Activate it

What is the expected result?

The layer is active.

What happens instead?

An error message. Ignoring it works, though.

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: 2017-05-05 22:08:44 +0200 (Fri, 05 May 2017)
Build-Date:2017-05-06 01:34:13
Revision:12067
Relative:URL: ^/trunk

Identification: JOSM/1.5 (12067 ru) Linux Fedora release 25 (Twenty Five)
Memory Usage: 1140 MB / 2645 MB (364 MB allocated, but free)
Java version: 1.8.0_131-b12, Oracle Corporation, OpenJDK 64-Bit Server VM
Screen: :0.0 1920x1080
Maximum Screen Size: 1920x1080
Java package: openjdk-8-jre:пакет openjdk-8-jre не установлен
VM arguments: [-Dawt.useSystemAAFontSettings=lcd]
Dataset consistency test: No problems found

Plugins:
+ Mapillary (v1.5.3)
+ OpeningHoursEditor (33185)
+ PicLayer (33148)
+ apache-commons (32994)
+ apache-http (32699)
+ buildings_tools (33004)
+ contourmerge (1030)
+ editgpx (33004)
+ ejml (32680)
+ geochat (33088)
+ geotools (33042)
+ imagery_offset_db (33004)
+ jts (32699)
+ opendata (33245)
+ pbf (33241)
+ poly (33004)
+ pt_assistant (33108)
+ reltoolbox (33265)
+ reverter (33088)
+ scripting (30764)
+ turnrestrictions (33088)
+ utilsplugin2 (33212)
+ videomapping-mp (UNKNOWN)
+ wikipedia (33288)

Map paint styles:
- https://dl.dropbox.com/u/8010189/Forum%20attachments/Hide_nodes.mapcss
- https://josm.openstreetmap.de/josmfile?page=Styles/AddressValidator&zip=1

Last errors/warnings:
- W: Invalid jar file ''<josm.pref>/plugins/opendata.jar.new'' (exists: false, canRead: false)
- W: Invalid jar file ''<josm.pref>/plugins/wikipedia.jar.new'' (exists: false, canRead: false)
- W: Invalid jar file ''<josm.pref>/plugins/reltoolbox.jar.new'' (exists: false, canRead: false)
- W: Invalid jar file ''<josm.pref>/plugins/Mapillary.jar.new'' (exists: false, canRead: false)
- W: Не удалось установить модуль '<josm.pref>/plugins/OSMRecPlugin.jar' из временного файла загрузки '<josm.pref>/plugins/OSMRecPlugin.jar.new'. error in opening zip file: java.util.zip.ZipException: error in opening zip file
- W: java.io.IOException: Запрашиваемый URL https://dl.dropbox.com/u/8010189/Forum%20attachments/Hide_nodes.mapcss не найден
- W: Не удалось загрузить стили Mappaint из 'https://dl.dropbox.com/u/8010189/Forum%20attachments/Hide_nodes.mapcss'. Ошибка: java.io.IOException: Запрашиваемый URL https://dl.dropbox.com/u/8010189/Forum%20attachments/Hide_nodes.mapcss не найден
- E: java.io.IOException: Запрашиваемый URL https://dl.dropbox.com/u/8010189/Forum%20attachments/Hide_nodes.mapcss не найден
- W: Initializing map style https://dl.dropbox.com/u/8010189/Forum%20attachments/Hide_nodes.mapcss completed in 475 мс (1 errors, 0 warnings)
- E: Handled by bug report queue: java.lang.NullPointerException


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

Warning issued by: BugReportExceptionHandler#handleException

=== STACK TRACE ===
Thread: AWT-EventQueue-0 (19) of main
java.lang.NullPointerException
	at org.openstreetmap.josm.data.osm.FilterMatcher.test(FilterMatcher.java:227)
	at org.openstreetmap.josm.data.osm.FilterMatcher.isHidden(FilterMatcher.java:308)
	at org.openstreetmap.josm.data.osm.FilterWorker.doExecuteFilters(FilterWorker.java:45)
	at org.openstreetmap.josm.data.osm.FilterWorker.executeFilters(FilterWorker.java:34)
	at org.openstreetmap.josm.gui.dialogs.FilterTableModel.executeFilters(FilterTableModel.java:96)
	at org.openstreetmap.josm.gui.dialogs.FilterDialog.dataChanged(FilterDialog.java:347)
	at org.openstreetmap.josm.data.osm.event.DataChangedEvent.fire(DataChangedEvent.java:35)
	at org.openstreetmap.josm.data.osm.event.DatasetEventManager.fireConsolidatedEvents(DatasetEventManager.java:207)
	at org.openstreetmap.josm.data.osm.event.DatasetEventManager.access$300(DatasetEventManager.java:29)
	at org.openstreetmap.josm.data.osm.event.DatasetEventManager$EdtRunnable.run(DatasetEventManager.java:89)
	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)

[Don-vip]

Closed as duplicate of #14762.