Security Warning cloudfront.net (when using IcedTeaWeb)

[https://www.openstreetmap.org/user/GiantG]

What steps will reproduce the problem?

1. Start Josm with IcedTeaWeb
2. Load the Mapillary imagery

What is the expected result?

No error

What happens instead?

Error: HTTPS certificate from *.cloudfront.com cannot be certified

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

Relative:URL: ^/trunk
Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last:Changed Date: 2019-08-26 08:55:27 +0200 (Mon, 26 Aug 2019)
Revision:15322
Build-Date:2019-08-26 06:57:10
URL:https://josm.openstreetmap.de/svn/trunk

Identification: JOSM/1.5 (15322 de) Linux Manjaro Linux
Memory Usage: 316 MB / 2048 MB (122 MB allocated, but free)
Java version: 12.0.2+10, N/A, OpenJDK 64-Bit Server VM
Screen: :0.0 1920x1080
Maximum Screen Size: 1920x1080
VM arguments: [-Dicedtea-web.bin.name=javaws, -Dicedtea-web.bin.location=/usr/share/icedtea-web/bin/javaws]

Plugins:
+ CustomizePublicTransportStop (35039)
+ Mapillary (1.5.18)
+ RoadSigns (UNKNOWN)
+ apache-commons (34908)
+ apache-http (34908)
+ buildings_tools (34982)
+ imagery_offset_db (34908)
+ jna (34908)
+ junctionchecking (34977)
+ log4j (34908)
+ openqa (1557250801)
+ routing (35039)
+ turnlanes (34994)
+ utilsplugin2 (35098)

Tagging presets:
+ https://josm.openstreetmap.de/josmfile?page=Presets/LaneAttributes&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Presets/ParkingLanes&zip=1
+ https://raw.githubusercontent.com/yopaseopor/traffic_signs_preset_JOSM/master/DE.zip

Map paint styles:
- https://josm.openstreetmap.de/josmfile?page=Styles/Cycleways&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Styles/Enhanced_Lane_and_Road_Attributes&zip=1
- https://josm.openstreetmap.de/josmfile?page=Styles/Lane_features&zip=1
- https://josm.openstreetmap.de/josmfile?page=Styles/Lane_features_ryg&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Styles/MaxspeedIcons&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Styles/ParkingLanes&zip=1

Validator rules:
+ https://josm.openstreetmap.de/josmfile?page=Rules/GermanySpecific&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Rules/MissingWeekdays&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Rules/KeepRight&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Rules/OsmoseValidations&zip=1

Last errors/warnings:
- E: Fehler beim Laden des Bildes 'traffic_signs_presets/ES_tertiary.png'
- W:  Tertiary: Could not get presets icon traffic_signs_presets/ES_tertiary.png
- W: No configuration settings found.  Using hardcoded default values for all pools.

[https://www.openstreetmap.org/user/GiantG]

The error (in German)

[https://www.openstreetmap.org/user/GiantG]

Sorry meant cloudfront.net, also not sure whether its the right place to report the issue.

[Don-vip]

Closed as duplicate of #18390.