File/Open or File/Save As open the "You have encountered a bug in JOSM" dialog

[aloboaleu@…]

What steps will reproduce the problem?

1. File/Open or File/Save As

What is the expected result?

Being able to one or save

What happens instead?

"You have encountered a bug in JOSM" dialog

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

Relative:URL: ^/trunk
Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last:Changed Date: 2025-08-31 14:19:57 +0200 (Sun, 31 Aug 2025)
Revision:19439
Build-Date:2025-09-02 01:30:58
URL:https://josm.openstreetmap.de/svn/trunk

Identification: JOSM/1.5 (19439 en) Linux Freedesktop SDK 24.08 (Flatpak runtime)
Memory Usage: 400 MB / 29936 MB (86 MB allocated, but free)
Java version: 21.0.9, Flathub, OpenJDK 64-Bit Server VM
Look and Feel: javax.swing.plaf.metal.MetalLookAndFeel
Screen: :0.0 1920x1080x[Multi depth]@60Hz (scaling 1.00×1.00) :0.1 1920x1200x[Multi depth]@60Hz (scaling 1.00×1.00)
Maximum Screen Size: 1920×1200
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: ANSI_X3.4-1968
Locale info: en_US
Numbers with default locale: 1234567890 -> 1234567890
Desktop environment: pop:GNOME
VM arguments: [--module-path=/app/share/openjfx/lib, --add-modules=java.scripting,java.sql,javafx.controls,javafx.media,javafx.swing,javafx.web, -Djosm.restart=true, -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]
Dataset consistency test: No problems found

Plugins:
+ josm_magic_wand (3.0.0)

Last errors/warnings:
- 00007.035 W: java.io.IOException: Attribution is not loaded yet
- 00007.035 W: java.io.IOException: Attribution is not loaded yet
- 00203.451 E: Connect timed out
- 00203.453 E: Server is down
- 00205.614 E: Connect timed out
- 00205.615 E: Server is down
- 00346.197 E: Handled by bug report queue: java.nio.file.InvalidPathException: Malformed input or input contains unmappable characters: ${HOME}/Downloads/Informaci��n_actualizada_sobre_la_erupci��n_en_La_Palma.html
- 00359.150 E: Handled by bug report queue: java.nio.file.InvalidPathException: Malformed input or input contains unmappable characters: ${HOME}/Downloads/Informaci��n_actualizada_sobre_la_erupci��n_en_La_Palma.html
- 00787.178 E: Handled by bug report queue: java.nio.file.InvalidPathException: Malformed input or input contains unmappable characters: ${HOME}/Downloads/Informaci��n_actualizada_sobre_la_erupci��n_en_La_Palma.html
- 00787.181 E: Handled by bug report queue: java.nio.file.InvalidPathException: Malformed input or input contains unmappable characters: ${HOME}/Downloads/Informaci��n_actualizada_sobre_la_erupci��n_en_La_Palma.html



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

Warning issued by: BugReportExceptionHandler#handleException

=== STACK TRACE ===
Thread: Basic L&F File Loading Thread (176)
java.nio.file.InvalidPathException: Malformed input or input contains unmappable characters: /home/alobo/Downloads/Informaci��n_actualizada_sobre_la_erupci��n_en_La_Palma.html
	at java.base/sun.nio.fs.UnixPath.encode(UnixPath.java:129)
	at java.base/sun.nio.fs.UnixPath.<init>(UnixPath.java:76)
	at java.base/sun.nio.fs.UnixFileSystem.getPath(UnixFileSystem.java:312)
	at java.base/java.nio.file.Path.of(Path.java:148)
	at java.base/java.nio.file.Paths.get(Paths.java:69)
	at java.desktop/sun.awt.shell.ShellFolder.getShellFolder(ShellFolder.java:260)
	at java.desktop/javax.swing.filechooser.FileSystemView.getFiles(FileSystemView.java:585)
	at java.desktop/javax.swing.plaf.basic.BasicDirectoryModel$FilesLoader.run0(BasicDirectoryModel.java:307)
	at java.desktop/javax.swing.plaf.basic.BasicDirectoryModel$FilesLoader.run(BasicDirectoryModel.java:298)
	at java.base/java.lang.Thread.run(Thread.java:1583)

[GerdP]

Probably a duplicate of #14596.

[stoecker]

Marked as duplicate of #14596.