id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
18824	Error when opening a GeoJSON file	orhygine	team	"==== What steps will reproduce the problem?
1. Download GeoJSON from https://data.toulouse-metropole.fr/explore/dataset/filaire-de-voirie/export/?location=10,43.64168,1.42689&basemap=jawg.streets
2. Open That GeoJSON into JOSM

==== What is the expected result?

GeoJSON should be opened into JOSM.

==== What happens instead?

An error occurs and file can't be loaded into JSOM.

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

{{{
Relative:URL: ^/trunk
Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last:Changed Date: 2020-03-01 01:02:24 +0100 (Sun, 01 Mar 2020)
Revision:15969
Build-Date:2020-03-01 02:30:56
URL:https://josm.openstreetmap.de/svn/trunk

Identification: JOSM/1.5 (15969 fr) Linux Ubuntu 19.10
Memory Usage: 383 MB / 2048 MB (152 MB allocated, but free)
Java version: 11.0.6+10-post-Ubuntu-1ubuntu119.10.1, Ubuntu, OpenJDK 64-Bit Server VM
Screen: :0.0 1366x768
Maximum Screen Size: 1366x768
Java ATK Wrapper package: libatk-wrapper-java:all-0.35.0-3
fonts-noto: fonts-noto:-

Plugins:
+ ImproveWay (29)
+ Mapillary (1.5.20)
+ OpeningHoursEditor (35250)
+ PolygonCutOut (v0.7)
+ apache-commons (35092)
+ apache-http (35092)
+ buildings_tools (35248)
+ cadastre-fr (35332)
+ changeset-viewer (22)
+ continuosDownload (91)
+ ejml (35122)
+ geochat (35248)
+ geotools (35169)
+ gridify (1577091848)
+ jaxb (35092)
+ jna (35092)
+ jts (35122)
+ measurement (35248)
+ opendata (35330)
+ reverter (35313)
+ todo (30306)
+ utilsplugin2 (35334)
+ wikipedia (1.1.3)

Map paint styles:
+ ${HOME}/osm/work.mapcss
- https://josm.openstreetmap.de/josmfile?page=Styles/Maxspeed&zip=1

Last errors/warnings:
- E: Handled by bug report queue: javax.json.JsonException: Cannot auto-detect encoding, not enough chars


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

Warning issued by: BugReportExceptionHandler#handleException

=== STACK TRACE ===
Thread: main-worker-0 (59) of main
javax.json.JsonException: Cannot auto-detect encoding, not enough chars
	at org.glassfish.json.UnicodeDetectingInputStream.detectEncoding(UnicodeDetectingInputStream.java:130)
	at org.glassfish.json.UnicodeDetectingInputStream.<init>(UnicodeDetectingInputStream.java:75)
	at org.glassfish.json.JsonParserImpl.<init>(JsonParserImpl.java:95)
	at org.glassfish.json.JsonProviderImpl.createParser(JsonProviderImpl.java:88)
	at javax.json.Json.createParser(Json.java:109)
	at org.openstreetmap.josm.io.GeoJSONReader.doParseDataSet(GeoJSONReader.java:350)
	at org.openstreetmap.josm.io.GeoJSONReader.parseDataSet(GeoJSONReader.java:370)
	at org.openstreetmap.josm.gui.io.importexport.GeoJSONImporter.importData(GeoJSONImporter.java:51)
	at org.openstreetmap.josm.gui.io.importexport.FileImporter.importDataHandleExceptions(FileImporter.java:95)
	at org.openstreetmap.josm.actions.OpenFileAction$OpenFileTask.importData(OpenFileAction.java:369)
	at org.openstreetmap.josm.actions.OpenFileAction$OpenFileTask.realRun(OpenFileAction.java:319)
	at org.openstreetmap.josm.gui.PleaseWaitRunnable.doRealRun(PleaseWaitRunnable.java:94)
	at org.openstreetmap.josm.gui.PleaseWaitRunnable.run(PleaseWaitRunnable.java:142)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
	at java.base/java.lang.Thread.run(Thread.java:834)
}}}
"	defect	closed	normal		Core geojson	latest	invalid	template_report