Mapbox underlay not working

[d.indigo2001@…]

What steps will reproduce the problem?

1. I turn on the Mapbox layer and get a black screen. Before, there was an HTTP 401 error

What is the expected result?

The mapbox layer will work correctly

What happens instead?

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

Revision:19555
Build-Date:2026-03-30 09:42:59

Identification: JOSM/1.5 (19555 ru) Windows 10 64-Bit
OS Build number: Windows 10 Home Single Language 22H2 (19045)
Memory Usage: 468 MB / 4548 MB (276 MB allocated, but free)
Java version: 21.0.10+7-LTS, Azul Systems, Inc., OpenJDK 64-Bit Server VM
Look and Feel: com.sun.java.swing.plaf.windows.WindowsLookAndFeel
Screen: \Display0 1920x1080x32bpp@60Hz (scaling 1.25×1.25)
Maximum Screen Size: 1920×1080
Best cursor sizes: 16×16→32×32, 32×32→32×32
System property file.encoding: UTF-8
System property sun.jnu.encoding: Cp1251
Locale info: ru_RU
Numbers with default locale: 1234567890 -> 1234567890
VM arguments: [-Djpackage.app-version=1.5.19555, -XX:MaxRAMPercentage=75.0, --add-modules=java.scripting,java.sql,javafx.controls,javafx.media,javafx.swing,javafx.web, --add-exports=java.base/sun.security.action=ALL-UNNAMED, --add-exports=java.desktop/com.sun.imageio.plugins.jpeg=ALL-UNNAMED, --add-exports=java.desktop/com.sun.imageio.spi=ALL-UNNAMED, --add-opens=java.base/java.lang=ALL-UNNAMED, --add-opens=java.base/java.nio=ALL-UNNAMED, --add-opens=java.base/jdk.internal.loader=ALL-UNNAMED, --add-opens=java.base/jdk.internal.ref=ALL-UNNAMED, --add-opens=java.desktop/javax.imageio.spi=ALL-UNNAMED, --add-opens=java.desktop/javax.swing.text.html=ALL-UNNAMED, --add-opens=java.prefs/java.util.prefs=ALL-UNNAMED, -Djpackage.app-path=%UserProfile%\AppData\Local\JOSM\JOSM.exe]
Dataset consistency test: No problems found

Plugins:
+ PicLayer (273)
+ imagery_offset_db (36474)
+ reltoolbox (36474)
+ russia-address-helper (0.9.6.7)
+ tageditor (36474)
+ turnlanes-tagging (1769860692)
+ turnrestrictions (36474)

Last errors/warnings:
- 00404.227 E: Handled by bug report queue: java.lang.IllegalArgumentException: can't parse argument number: apikey. Причина: java.lang.NumberFormatException: For input string: "apikey"
- 00404.228 W: Too many errors. Dropping ReportedException [thread=Thread[#178,TMS-downloader-70,5,main], exception=java.lang.IllegalArgumentException: can't parse argument number: apikey, methodWarningFrom=BugReportExceptionHandler#handleException]
- 00404.234 E: Handled by bug report queue: java.lang.IllegalArgumentException: can't parse argument number: apikey. Причина: java.lang.NumberFormatException: For input string: "apikey"
- 00404.234 W: Too many errors. Dropping ReportedException [thread=Thread[#187,TMS-downloader-79,5,main], exception=java.lang.IllegalArgumentException: can't parse argument number: apikey, methodWarningFrom=BugReportExceptionHandler#handleException]
- 00404.242 E: Handled by bug report queue: java.lang.IllegalArgumentException: can't parse argument number: apikey. Причина: java.lang.NumberFormatException: For input string: "apikey"
- 00404.243 W: Too many errors. Dropping ReportedException [thread=Thread[#188,TMS-downloader-80,5,main], exception=java.lang.IllegalArgumentException: can't parse argument number: apikey, methodWarningFrom=BugReportExceptionHandler#handleException]
- 00404.249 E: Handled by bug report queue: java.lang.IllegalArgumentException: can't parse argument number: apikey. Причина: java.lang.NumberFormatException: For input string: "apikey"
- 00404.250 W: Too many errors. Dropping ReportedException [thread=Thread[#180,TMS-downloader-72,5,main], exception=java.lang.IllegalArgumentException: can't parse argument number: apikey, methodWarningFrom=BugReportExceptionHandler#handleException]
- 00404.256 E: Handled by bug report queue: java.lang.IllegalArgumentException: can't parse argument number: apikey. Причина: java.lang.NumberFormatException: For input string: "apikey"
- 00404.258 W: Too many errors. Dropping ReportedException [thread=Thread[#189,TMS-downloader-81,5,main], exception=java.lang.IllegalArgumentException: can't parse argument number: apikey, methodWarningFrom=BugReportExceptionHandler#handleException]



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

Warning issued by: BugReportExceptionHandler#handleException

=== STACK TRACE ===
Thread: TMS-downloader-16 (117)
java.lang.IllegalArgumentException: can't parse argument number: apikey
	at java.base/java.text.MessageFormat.makeFormat(Unknown Source)
	at java.base/java.text.MessageFormat.applyPattern(Unknown Source)
	at java.base/java.text.MessageFormat.<init>(Unknown Source)
	at java.base/java.text.MessageFormat.format(Unknown Source)
	at org.openstreetmap.josm.tools.Logging.lambda$logPrivate$7(Logging.java:373)
	at java.logging/java.util.logging.Logger.logp(Unknown Source)
	at org.openstreetmap.josm.tools.Logging.logPrivate(Logging.java:384)
	at org.openstreetmap.josm.tools.Logging.logPrivate(Logging.java:373)
	at org.openstreetmap.josm.tools.Logging.info(Logging.java:252)
	at org.openstreetmap.josm.tools.HttpClient.logRequest(HttpClient.java:244)
	at org.openstreetmap.josm.tools.HttpClient.connect(HttpClient.java:199)
	at org.openstreetmap.josm.tools.HttpClient.connect(HttpClient.java:136)
	at org.openstreetmap.josm.tools.HttpClient.connect(HttpClient.java:125)
	at org.openstreetmap.josm.data.cache.JCSCachedTileLoaderJob.loadObjectHttp(JCSCachedTileLoaderJob.java:362)
	at org.openstreetmap.josm.data.cache.JCSCachedTileLoaderJob.loadObject(JCSCachedTileLoaderJob.java:309)
	at org.openstreetmap.josm.data.cache.JCSCachedTileLoaderJob.run(JCSCachedTileLoaderJob.java:233)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
	at java.base/java.lang.Thread.run(Unknown Source)
Caused by: java.lang.NumberFormatException: For input string: "apikey"
	at java.base/java.lang.NumberFormatException.forInputString(Unknown Source)
	at java.base/java.lang.Integer.parseInt(Unknown Source)
	at java.base/java.lang.Integer.parseInt(Unknown Source)
	... 19 more

[gaben]

I tested Mapbox, and it's now working as expected.