Error after waiting several minutes for JOSM

[Atalanttore]

Hi,

JOSM had problems to upload my changes. It didn't show the upload window until this error message appeared. After clicking OK JOSM works properly again.

Revision: 8694
Repository Root: http://josm.openstreetmap.de/svn
Relative URL: ^/trunk
Last Changed Author: Don-vip
Last Changed Date: 2015-08-26 23:45:39 +0200 (Wed, 26 Aug 2015)
Build-Date: 2015-08-27 01:32:24
URL: http://josm.openstreetmap.de/svn/trunk
Repository UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last Changed Rev: 8694

Identification: JOSM/1.5 (8694 de) Linux Ubuntu 15.04
Memory Usage: 456 MB / 860 MB (115 MB allocated, but free)
Java version: 1.8.0_60, Oracle Corporation, Java HotSpot(TM) 64-Bit Server VM
Dataset consistency test: No problems found

Plugins:
- FastDraw (31265)
- HouseNumberTaggingTool (31241)
- OpeningHoursEditor (31241)
- RoadSigns (31241)
- buildings_tools (31361)
- editgpx (31241)
- imagery_offset_db (31241)
- log4j (31231)
- public_transport (31241)
- reverter (31241)
- routes (31241)
- routing (31241)
- tageditor (31241)
- terracer (31241)
- turnlanes (31241)
- turnrestrictions (31241)
- undelete (31241)
- utilsplugin2 (31463)
- waydownloader (31241)

Last errors/warnings:
- E: java.lang.NullPointerException

java.lang.NullPointerException
	at org.openstreetmap.josm.data.validation.Test.visit(Test.java:203)
	at org.openstreetmap.josm.actions.ValidateAction$ValidationTask.realRun(ValidateAction.java:170)
	at org.openstreetmap.josm.gui.PleaseWaitRunnable.doRealRun(PleaseWaitRunnable.java:93)
	at org.openstreetmap.josm.gui.PleaseWaitRunnable.run(PleaseWaitRunnable.java:161)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)

Regards,
Atalanttore

[Don-vip]

In 8724/josm:

fix #11813 - NPE