NPE in MultipolygonCache.clear

[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.

Relative:URL: ^/trunk
Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last:Changed Date: 2020-06-02 08:27:29 +0200 (Tue, 02 Jun 2020)
Revision:16538
Build-Date:2020-06-02 11:11:35
URL:https://josm.openstreetmap.de/svn/trunk

Identification: JOSM/1.5 (16538 en) Linux Ubuntu 20.04 LTS
Memory Usage: 130 MB / 1964 MB (49 MB allocated, but free)
Java version: 14.0.1+7-Ubuntu-1ubuntu1, Private Build, OpenJDK 64-Bit Server VM
Look and Feel: javax.swing.plaf.metal.MetalLookAndFeel
Screen: :0.0 1920x1080
Maximum Screen Size: 1920x1080
Java ATK Wrapper package: libatk-wrapper-java:all-0.37.1-1
libcommons-logging-java: libcommons-logging-java:all-1.2-2
fonts-noto: fonts-noto:-
VM arguments: [-Djosm.restart=true, -Djava.net.useSystemProxies=true]

Plugins:
+ continuosDownload
+ utilsplugin2

Last errors/warnings:
- E: Handled by bug report queue: org.openstreetmap.josm.tools.JosmRuntimeException: java.util.concurrent.ExecutionException: java.lang.NullPointerException. Cause: java.util.concurrent.ExecutionException: java.lang.NullPointerException. Cause: java.lang.NullPointerException


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

Warning issued by: BugReportExceptionHandler#handleException

=== STACK TRACE ===
Thread: main (1)
org.openstreetmap.josm.tools.JosmRuntimeException: java.util.concurrent.ExecutionException: java.lang.NullPointerException
	at org.openstreetmap.josm.spi.lifecycle.Lifecycle.initialize(Lifecycle.java:89)
	at org.openstreetmap.josm.gui.MainApplication.mainJOSM(MainApplication.java:914)
	at org.openstreetmap.josm.gui.MainApplication$3.processArguments(MainApplication.java:276)
	at org.openstreetmap.josm.gui.MainApplication.main(MainApplication.java:712)
Caused by: java.util.concurrent.ExecutionException: java.lang.NullPointerException
	at java.base/java.util.concurrent.FutureTask.report(FutureTask.java:122)
	at java.base/java.util.concurrent.FutureTask.get(FutureTask.java:191)
	at org.openstreetmap.josm.spi.lifecycle.Lifecycle.initialize(Lifecycle.java:78)
	... 3 more
Caused by: java.lang.NullPointerException
	at java.base/java.util.concurrent.ConcurrentHashMap.replaceNode(ConcurrentHashMap.java:1111)
	at java.base/java.util.concurrent.ConcurrentHashMap.remove(ConcurrentHashMap.java:1102)
	at org.openstreetmap.josm.data.osm.visitor.paint.relations.MultipolygonCache.clear(MultipolygonCache.java:110)
	at org.openstreetmap.josm.tools.Territories.initializeInternalData(Territories.java:169)
	at org.openstreetmap.josm.tools.Territories.initialize(Territories.java:123)
	at org.openstreetmap.josm.gui.MainInitialization.lambda$parallelInitializationTasks$6(MainInitialization.java:114)
	at org.openstreetmap.josm.spi.lifecycle.InitializationTask.call(InitializationTask.java:33)
	at org.openstreetmap.josm.spi.lifecycle.InitializationTask.call(InitializationTask.java:11)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630)
	at java.base/java.lang.Thread.run(Thread.java:832)

[simon04]

Closed as duplicate of #19240.