JOSM hangs on uploading specific data set

[dave.abbott@…]

What steps will reproduce the problem?

1. Edit tags on two route relations
2. Click File->Upload Data

What is the expected result?

Open changeset window and upload data

What happens instead?

JOSM hangs

Please provide any additional information below. Attach a screenshot if possible.

Other edits do not cause hang at upload data...

URL:https://josm.openstreetmap.de/svn/trunk
Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last:Changed Date: 2019-03-03 00:16:03 +0100 (Sun, 03 Mar 2019)
Build-Date:2019-03-02 23:16:53
Revision:14824
Relative:URL: ^/trunk

Identification: JOSM/1.5 (14824 en_GB) Linux Fedora release 29 (Twenty Nine)
Memory Usage: 511 MB / 910 MB (183 MB allocated, but free)
Java version: 1.8.0_201-b09, Oracle Corporation, OpenJDK 64-Bit Server VM
Screen: :0.0 3840x1080, :0.1 1920x1080
Maximum Screen Size: 3840x1080
VM arguments: [-agentpath:/usr/lib/abrt-java-connector/libabrt-java-connector.so=abrt=on,, -Dsun.java2d.opengl=true]
Dataset consistency test: No problems found

Plugins:
+ HouseNumberTaggingTool (34867)
+ ImproveWay (24)
+ apache-commons (34506)
+ auto_tools (67)
+ buildings_tools (34904)
+ cadastre-fr (34801)
+ download_along (34869)
+ ejml (34389)
+ geotools (34513)
+ imagery_offset_db (34867)
+ jaxb (34678)
+ jts (34524)
+ mapathoner (0.8.3)
+ opendata (34899)
+ pt_assistant (2.1.10)
+ reverter (34867)
+ terracer (34867)
+ undelete (34883)
+ utilsplugin2 (34867)

Tagging presets:
+ https://josm.openstreetmap.de/josmfile?page=Presets/BuildingPreset&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Presets/EnglandWalesRightsOfWay&zip=1

Map paint styles:
- https://josm.openstreetmap.de/josmfile?page=Styles/PublicTransport&zip=1
- https://josm.openstreetmap.de/josmfile?page=Styles/PublicTransportV2&zip=1
+ https://github.com/hotosm/HDM-JOSM-style/archive/master.zip
+ https://github.com/MissingMaps/josm_styles/archive/master.zip

Last errors/warnings:
- W: No configuration settings found.  Using hardcoded default values for all pools.

[Don-vip]

Replying to dave.abbott@…:

VM arguments: [-agentpath:/usr/lib/abrt-java-connector/libabrt-java-connector.so=abrt=on _{-Dsun.java2d.opengl=true]}

Can you please try to disable abrt?