JOSM crashes on load

[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.

URL:http://josm.openstreetmap.de/svn/trunk
Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last:Changed Date: 2017-08-25 10:18:53 +0200 (Fri, 25 Aug 2017)
Build-Date:2017-08-25 08:21:06
Revision:12643
Relative:URL: ^/trunk

Identification: JOSM/1.5 (12643 be) Linux Ubuntu 17.04
Memory Usage: 964 MB / 964 MB (743 MB allocated, but free)
Java version: 1.8.0_144-b01, Oracle Corporation, Java HotSpot(TM) 64-Bit Server VM
Screen: :0.0 2560x1440
Maximum Screen Size: 2560x1440
VM arguments: [-Djava.net.preferIPv4Stack=true]
Dataset consistency test: No problems found

Plugins:
+ AddrInterpolation (33160)
+ FastDraw (33182)
+ HouseNumberTaggingTool (33160)
+ Mapillary (v1.5.5)
+ PicLayer (33385)
+ apache-commons (32994)
+ apache-http (32699)
+ buildings_tools (33004)
+ ejml (32680)
+ geochat (33088)
+ geojson (52)
+ geotools (33380)
+ imagery_offset_db (33316)
+ jts (32699)
+ reltoolbox (33311)
+ reverter (33088)
+ terracer (33088)

Map paint styles:
- https://github.com/bastik/mapcss-tools/raw/osm/mapnik2mapcss/osm-results/mapnik.zip

Last errors/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: Thread-14 (132)
java.lang.NullPointerException
	at geochat.JsonQueryUtil.queryAsync(JsonQueryUtil.java:72)
	at geochat.ChatServerConnection.autoLogin(ChatServerConnection.java:94)
	at geochat.ChatServerConnection$2.run(ChatServerConnection.java:126)
	at java.lang.Thread.run(Thread.java:748)