Smart App Control prevents JOSM from loading ESRI World Imagery map

[anonymous]

What steps will reproduce the problem?

1. Launch JOSM
2. Imagery/ESRI World Imagery

What is the expected result?

Load map

What happens instead?

Error

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 en) Windows 11 64-Bit
OS Build number: Windows 10 Pro 25H2 (26200)
Memory Usage: 448 MB / 48960 MB (253 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 3840x2160x32bpp@60Hz (scaling 1.50×1.50) \Display1 3840x2160x32bpp@60Hz (scaling 1.50×1.50)
Maximum Screen Size: 3840×2160
Best cursor sizes: 16×16→48×48, 32×32→48×48
System property file.encoding: UTF-8
System property sun.jnu.encoding: Cp1252
Locale info: en_US
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]

Last errors/warnings:
- 00091.313 E: Handled by bug report queue: java.lang.NoClassDefFoundError: Could not initialize class com.sun.imageio.plugins.jpeg.JPEGImageReader. Cause: java.lang.ExceptionInInitializerError: Exception java.lang.UnsatisfiedLinkError: <java.home>\bin\javajpeg.dll: An Application Control policy has blocked this file [in thread "JCS Downloading: https://server.arcgisonline.com/arcgis/rest/services/World_Imagery/MapServer/tile/13/4095/4094"]
- 00091.313 W: Too many errors. Dropping ReportedException [thread=Thread[#169,TMS-downloader-53,5,main], exception=java.lang.NoClassDefFoundError: Could not initialize class com.sun.imageio.plugins.jpeg.JPEGImageReader, methodWarningFrom=BugReportExceptionHandler#handleException]
- 00091.316 E: Handled by bug report queue: java.lang.NoClassDefFoundError: Could not initialize class com.sun.imageio.plugins.jpeg.JPEGImageReader. Cause: java.lang.ExceptionInInitializerError: Exception java.lang.UnsatisfiedLinkError: <java.home>\bin\javajpeg.dll: An Application Control policy has blocked this file [in thread "JCS Downloading: https://server.arcgisonline.com/arcgis/rest/services/World_Imagery/MapServer/tile/13/4095/4094"]
- 00091.316 W: Too many errors. Dropping ReportedException [thread=Thread[#168,TMS-downloader-52,5,main], exception=java.lang.NoClassDefFoundError: Could not initialize class com.sun.imageio.plugins.jpeg.JPEGImageReader, methodWarningFrom=BugReportExceptionHandler#handleException]
- 00091.320 E: Handled by bug report queue: java.lang.NoClassDefFoundError: Could not initialize class com.sun.imageio.plugins.jpeg.JPEGImageReader. Cause: java.lang.ExceptionInInitializerError: Exception java.lang.UnsatisfiedLinkError: <java.home>\bin\javajpeg.dll: An Application Control policy has blocked this file [in thread "JCS Downloading: https://server.arcgisonline.com/arcgis/rest/services/World_Imagery/MapServer/tile/13/4095/4094"]
- 00091.320 W: Too many errors. Dropping ReportedException [thread=Thread[#167,TMS-downloader-51,5,main], exception=java.lang.NoClassDefFoundError: Could not initialize class com.sun.imageio.plugins.jpeg.JPEGImageReader, methodWarningFrom=BugReportExceptionHandler#handleException]
- 00091.332 E: Handled by bug report queue: java.lang.NoClassDefFoundError: Could not initialize class com.sun.imageio.plugins.jpeg.JPEGImageReader. Cause: java.lang.ExceptionInInitializerError: Exception java.lang.UnsatisfiedLinkError: <java.home>\bin\javajpeg.dll: An Application Control policy has blocked this file [in thread "JCS Downloading: https://server.arcgisonline.com/arcgis/rest/services/World_Imagery/MapServer/tile/13/4095/4094"]
- 00091.333 W: Too many errors. Dropping ReportedException [thread=Thread[#171,TMS-downloader-55,5,main], exception=java.lang.NoClassDefFoundError: Could not initialize class com.sun.imageio.plugins.jpeg.JPEGImageReader, methodWarningFrom=BugReportExceptionHandler#handleException]
- 00091.347 E: Handled by bug report queue: java.lang.NoClassDefFoundError: Could not initialize class com.sun.imageio.plugins.jpeg.JPEGImageReader. Cause: java.lang.ExceptionInInitializerError: Exception java.lang.UnsatisfiedLinkError: <java.home>\bin\javajpeg.dll: An Application Control policy has blocked this file [in thread "JCS Downloading: https://server.arcgisonline.com/arcgis/rest/services/World_Imagery/MapServer/tile/13/4095/4094"]
- 00091.347 W: Too many errors. Dropping ReportedException [thread=Thread[#170,TMS-downloader-54,5,main], exception=java.lang.NoClassDefFoundError: Could not initialize class com.sun.imageio.plugins.jpeg.JPEGImageReader, methodWarningFrom=BugReportExceptionHandler#handleException]



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

Warning issued by: BugReportExceptionHandler#handleException

=== STACK TRACE ===
Thread: TMS-downloader-8 (93)
java.lang.NoClassDefFoundError: Could not initialize class com.sun.imageio.plugins.jpeg.JPEGImageReader
	at java.desktop/com.sun.imageio.plugins.jpeg.JPEGImageReaderSpi.createReaderInstance(Unknown Source)
	at java.desktop/javax.imageio.spi.ImageReaderSpi.createReaderInstance(Unknown Source)
	at java.desktop/javax.imageio.ImageIO$ImageReaderIterator.next(Unknown Source)
	at java.desktop/javax.imageio.ImageIO$ImageReaderIterator.next(Unknown Source)
	at java.desktop/javax.imageio.ImageIO.read(Unknown Source)
	at java.desktop/javax.imageio.ImageIO.read(Unknown Source)
	at org.openstreetmap.gui.jmapviewer.Tile.loadImage(Tile.java:237)
	at org.openstreetmap.josm.data.imagery.TMSCachedTileLoaderJob.tryLoadTileImage(TMSCachedTileLoaderJob.java:330)
	at org.openstreetmap.josm.data.imagery.TMSCachedTileLoaderJob.loadingFinished(TMSCachedTileLoaderJob.java:210)
	at org.openstreetmap.josm.data.cache.JCSCachedTileLoaderJob.finishLoading(JCSCachedTileLoaderJob.java:265)
	at org.openstreetmap.josm.data.cache.JCSCachedTileLoaderJob.run(JCSCachedTileLoaderJob.java:234)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
	at java.base/java.lang.Thread.run(Unknown Source)
Caused by: java.lang.ExceptionInInitializerError: Exception java.lang.UnsatisfiedLinkError: C:\Users\jamey\AppData\Local\JOSM\runtime\bin\javajpeg.dll: An Application Control policy has blocked this file [in thread "JCS Downloading: https://server.arcgisonline.com/arcgis/rest/services/World_Imagery/MapServer/tile/13/4095/4094"]
	at java.base/jdk.internal.loader.NativeLibraries.load(Native Method)
	at java.base/jdk.internal.loader.NativeLibraries$NativeLibraryImpl.open(Unknown Source)
	at java.base/jdk.internal.loader.NativeLibraries.loadLibrary(Unknown Source)
	at java.base/jdk.internal.loader.NativeLibraries.loadLibrary(Unknown Source)
	at java.base/jdk.internal.loader.NativeLibraries.findFromPaths(Unknown Source)
	at java.base/jdk.internal.loader.NativeLibraries.loadLibrary(Unknown Source)
	at java.base/java.lang.ClassLoader.loadLibrary(Unknown Source)
	at java.base/java.lang.Runtime.loadLibrary0(Unknown Source)
	at java.base/java.lang.System.loadLibrary(Unknown Source)
	at java.desktop/com.sun.imageio.plugins.jpeg.JPEGImageReader$1.run(Unknown Source)
	at java.desktop/com.sun.imageio.plugins.jpeg.JPEGImageReader$1.run(Unknown Source)
	at java.base/java.security.AccessController.doPrivileged(Unknown Source)
	at java.desktop/com.sun.imageio.plugins.jpeg.JPEGImageReader.initStatic(Unknown Source)
	at java.desktop/com.sun.imageio.plugins.jpeg.JPEGImageReader.<clinit>(Unknown Source)
	... 14 more