Failed to use "Open in JOSM" button in OpenStreetMap.com

[anonymous]

What steps will reproduce the problem?

1. Use button, as in title, the Open in JOSM button on OpenStreetMap.org

What is the expected result?

The map opens

What happens instead?

I see this error

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

Relative:URL: ^/trunk
Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last:Changed Date: 2026-03-14 14:08:11 +0100 (Sat, 14 Mar 2026)
Revision:19547
Build-Date:2026-03-15 02:30:49
URL:https://josm.openstreetmap.de/svn/trunk

Identification: JOSM/1.5 (19547 en) Linux Ubuntu 25.10
Memory Usage: 752 MB / 11472 MB (400 MB allocated, but free)
Java version: 21.0.10+7-Ubuntu-125.10, Ubuntu, OpenJDK 64-Bit Server VM
Look and Feel: javax.swing.plaf.metal.MetalLookAndFeel
Screen: :0.0 3200x1800x[Multi depth]@60Hz (scaling 1.00×1.00)
Maximum Screen Size: 3200×1800
Best cursor sizes: 16×16→16×16, 32×32→32×32
Environment variable LANG: en_US.UTF-8
System property file.encoding: UTF-8
System property sun.jnu.encoding: UTF-8
Locale info: en_US
Numbers with default locale: 1234567890 -> 1234567890
Desktop environment: KDE
Java package: openjdk-21-jre:amd64-21.0.10+7-1~25.10
Java ATK Wrapper package: libatk-wrapper-java:all-0.42.1-2
fonts-noto: fonts-noto:all-20201225-2
VM arguments: [--module-path=/usr/share/openjfx/lib, --add-modules=java.scripting,java.sql,javafx.controls,javafx.media,javafx.swing,javafx.web, -Djosm.restart=true, -Djosm.dir.name=JOSM-latest, -Djava.net.useSystemProxies=true, -XX:MaxRAMPercentage=75.0, --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]

Plugins:
+ MakeParallel (v1.1.0)
+ Mapillary (1818)
+ apache-commons (36474)
+ mapwithai (839)
+ pmtiles (36474)
+ utilsplugin2 (36474)

Map paint styles:
+ https://github.com/osmlab/applepaintstyles/archive/main.zip
+ https://raw.githubusercontent.com/Yukiroshi/Clean-JOSM/refs/heads/main/Clean-JOSM.mapcss
+ https://josm.openstreetmap.de/josmfile?page=Styles/BuildingColors&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Styles/MapWithAI&zip=1

Last errors/warnings:
- 00161.784 E: Thread main-worker-0 raised java.util.ServiceConfigurationError: jakarta.json.spi.JsonProvider: Error accessing configuration file
- 00161.784 E: java.util.concurrent.ExecutionException: java.util.ServiceConfigurationError: jakarta.json.spi.JsonProvider: Error accessing configuration file. Cause: java.util.ServiceConfigurationError: jakarta.json.spi.JsonProvider: Error accessing configuration file. Cause: java.nio.file.NoSuchFileException: /usr/share/josm-latest/josm-1.5.svn19547.jar
- 00166.583 E: Thread main-worker-0 raised java.util.ServiceConfigurationError: jakarta.json.spi.JsonProvider: Error accessing configuration file
- 00166.587 E: Handled by bug report queue: java.util.ServiceConfigurationError: jakarta.json.spi.JsonProvider: Error accessing configuration file. Cause: java.nio.file.NoSuchFileException: /usr/share/josm-latest/josm-1.5.svn19547.jar
- 00167.172 E: Thread main-worker-1 raised java.util.ServiceConfigurationError: jakarta.json.spi.JsonProvider: Error accessing configuration file
- 00167.174 E: Handled by bug report queue: java.util.ServiceConfigurationError: jakarta.json.spi.JsonProvider: Error accessing configuration file. Cause: java.nio.file.NoSuchFileException: /usr/share/josm-latest/josm-1.5.svn19547.jar
- 00167.813 E: Thread main-worker-2 raised java.util.ServiceConfigurationError: jakarta.json.spi.JsonProvider: Error accessing configuration file
- 00167.814 E: Thread main-worker-3 raised java.util.ServiceConfigurationError: jakarta.json.spi.JsonProvider: Error accessing configuration file
- 00167.814 E: Handled by bug report queue: java.util.ServiceConfigurationError: jakarta.json.spi.JsonProvider: Error accessing configuration file. Cause: java.nio.file.NoSuchFileException: /usr/share/josm-latest/josm-1.5.svn19547.jar
- 00167.815 E: Handled by bug report queue: java.util.ServiceConfigurationError: jakarta.json.spi.JsonProvider: Error accessing configuration file. Cause: java.nio.file.NoSuchFileException: /usr/share/josm-latest/josm-1.5.svn19547.jar



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

Warning issued by: BugReportExceptionHandler#handleException

=== STACK TRACE ===
Thread: main-worker-3 (239)
java.util.ServiceConfigurationError: jakarta.json.spi.JsonProvider: Error accessing configuration file
	at java.base/java.util.ServiceLoader.fail(ServiceLoader.java:586)
	at java.base/java.util.ServiceLoader$LazyClassPathLookupIterator.parse(ServiceLoader.java:1180)
	at java.base/java.util.ServiceLoader$LazyClassPathLookupIterator.nextProviderClass(ServiceLoader.java:1213)
	at java.base/java.util.ServiceLoader$LazyClassPathLookupIterator.hasNextService(ServiceLoader.java:1228)
	at java.base/java.util.ServiceLoader$LazyClassPathLookupIterator.hasNext(ServiceLoader.java:1273)
	at java.base/java.util.ServiceLoader$2.hasNext(ServiceLoader.java:1309)
	at java.base/java.util.ServiceLoader$3.hasNext(ServiceLoader.java:1393)
	at jakarta.json.spi.JsonProvider.provider(JsonProvider.java:124)
	at jakarta.json.Json.createReader(Json.java:204)
	at org.openstreetmap.josm.data.oauth.OAuth20Parameters.<init>(OAuth20Parameters.java:44)
	at org.openstreetmap.josm.io.auth.JosmPreferencesCredentialAgent.lookupOAuthAccessToken(JosmPreferencesCredentialAgent.java:119)
	at org.openstreetmap.josm.io.auth.CredentialsManager.lookupOAuthAccessToken(CredentialsManager.java:160)
	at org.openstreetmap.josm.data.oauth.OAuthParameters.createFromApiUrl(OAuthParameters.java:214)
	at org.openstreetmap.josm.gui.preferences.server.OAuthAuthenticationPreferencesPanel$AuthoriseNowAction.lambda$updateEnabledState$1(OAuthAuthenticationPreferencesPanel.java:333)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
	at java.base/java.lang.Thread.run(Thread.java:1583)
Caused by: java.nio.file.NoSuchFileException: /usr/share/josm-latest/josm-1.5.svn19547.jar
	at java.base/sun.nio.fs.UnixException.translateToIOException(UnixException.java:92)
	at java.base/sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:106)
	at java.base/sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:111)
	at java.base/sun.nio.fs.UnixFileAttributeViews$Basic.readAttributes(UnixFileAttributeViews.java:55)
	at java.base/sun.nio.fs.UnixFileSystemProvider.readAttributes(UnixFileSystemProvider.java:171)
	at java.base/sun.nio.fs.LinuxFileSystemProvider.readAttributes(LinuxFileSystemProvider.java:99)
	at java.base/java.nio.file.Files.readAttributes(Files.java:1854)
	at java.base/java.util.zip.ZipFile$Source.get(ZipFile.java:1445)
	at java.base/java.util.zip.ZipFile$CleanableResource.<init>(ZipFile.java:724)
	at java.base/java.util.zip.ZipFile.<init>(ZipFile.java:251)
	at java.base/java.util.zip.ZipFile.<init>(ZipFile.java:180)
	at java.base/java.util.jar.JarFile.<init>(JarFile.java:345)
	at java.base/sun.net.www.protocol.jar.URLJarFile.<init>(URLJarFile.java:100)
	at java.base/sun.net.www.protocol.jar.URLJarFile.getJarFile(URLJarFile.java:69)
	at java.base/sun.net.www.protocol.jar.JarFileFactory.get(JarFileFactory.java:168)
	at java.base/sun.net.www.protocol.jar.JarFileFactory.getOrCreate(JarFileFactory.java:91)
	at java.base/sun.net.www.protocol.jar.JarURLConnection.connect(JarURLConnection.java:117)
	at java.base/sun.net.www.protocol.jar.JarURLConnection.getInputStream(JarURLConnection.java:160)
	at java.base/java.util.ServiceLoader$LazyClassPathLookupIterator.parse(ServiceLoader.java:1172)
	... 15 more

[stoecker]

java.nio.file.NoSuchFileException: /usr/share/josm-latest/josm-1.5.svn19547.jar

looks like you deleted the file while using JOSM?