Error on opening a folder in JOSM

[anonymous]

What steps will reproduce the problem?

1. Open the file open menue
2. Navigate around

What is the expected result?

No error

What happens instead?

Relative:URL: ^/trunk
Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last:Changed Date: 2020-02-26 10:50:27 +0100 (Wed, 26 Feb 2020)
Revision:15937
Build-Date:2020-02-26 09:52:41
URL:https://josm.openstreetmap.de/svn/trunk

Identification: JOSM/1.5 (15937 en) Linux openSUSE Tumbleweed
Memory Usage: 316 MB / 2994 MB (71 MB allocated, but free)
Java version: 11.0.7+10-suse-1.2-x8664, Oracle Corporation, OpenJDK 64-Bit Server VM
Screen: :0.0 1920x1080
Maximum Screen Size: 1920x1080
Java package: java-11-openjdk:x86_64-11.0.7.0
apache-commons-logging: apache-commons-logging:noarch-1.2
Dataset consistency test: No problems found

Map paint styles:
- https://josm.openstreetmap.de/josmfile?page=Styles/Enhanced_Lane_and_Road_Attributes&zip=1
- https://josm.openstreetmap.de/josmfile?page=Styles/Lane_features&zip=1

Last errors/warnings:
- E: Handled by bug report queue: java.nio.file.InvalidPathException: Malformed input or input contains unmappable characters: ${HOME}/Downloads/Screenshot_2020-05-11 E-Test 1 (Deadline 17 05, 11 59pm ) ��berpr��fung des Testversuchs.png
- E: Handled by bug report queue: java.nio.file.InvalidPathException: Malformed input or input contains unmappable characters: ${HOME}/Downloads/Screenshot_2020-05-11 E-Test 1 (Deadline 17 05, 11 59pm ) ��berpr��fung des Testversuchs.png


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

Warning issued by: BugReportExceptionHandler#handleException

=== STACK TRACE ===
Thread: Basic L&F File Loading Thread (220)
java.nio.file.InvalidPathException: Malformed input or input contains unmappable characters: /home/niels/Downloads/Screenshot_2020-05-11 E-Test 1 (Deadline 17 05, 11 59pm ) ��berpr��fung des Testversuchs.png
	at java.base/sun.nio.fs.UnixPath.encode(UnixPath.java:145)
	at java.base/sun.nio.fs.UnixPath.<init>(UnixPath.java:69)
	at java.base/sun.nio.fs.UnixFileSystem.getPath(UnixFileSystem.java:279)
	at java.base/java.nio.file.Path.of(Path.java:147)
	at java.base/java.nio.file.Paths.get(Paths.java:69)
	at java.desktop/sun.awt.shell.ShellFolder.getShellFolder(ShellFolder.java:247)
	at java.desktop/javax.swing.filechooser.FileSystemView.getFiles(FileSystemView.java:523)
	at java.desktop/javax.swing.plaf.basic.BasicDirectoryModel$FilesLoader.run0(BasicDirectoryModel.java:290)
	at java.desktop/javax.swing.plaf.basic.BasicDirectoryModel$FilesLoader.run(BasicDirectoryModel.java:279)
	at java.base/java.lang.Thread.run(Thread.java:834)

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

Relative:URL: ^/trunk
Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last:Changed Date: 2020-02-26 10:50:27 +0100 (Wed, 26 Feb 2020)
Revision:15937
Build-Date:2020-02-26 09:52:41
URL:https://josm.openstreetmap.de/svn/trunk

Identification: JOSM/1.5 (15937 en) Linux openSUSE Tumbleweed
Memory Usage: 316 MB / 2994 MB (71 MB allocated, but free)
Java version: 11.0.7+10-suse-1.2-x8664, Oracle Corporation, OpenJDK 64-Bit Server VM
Screen: :0.0 1920x1080
Maximum Screen Size: 1920x1080
Java package: java-11-openjdk:x86_64-11.0.7.0
apache-commons-logging: apache-commons-logging:noarch-1.2
Dataset consistency test: No problems found

Map paint styles:
- https://josm.openstreetmap.de/josmfile?page=Styles/Enhanced_Lane_and_Road_Attributes&zip=1
- https://josm.openstreetmap.de/josmfile?page=Styles/Lane_features&zip=1

Last errors/warnings:
- E: Handled by bug report queue: java.nio.file.InvalidPathException: Malformed input or input contains unmappable characters: ${HOME}/Downloads/Screenshot_2020-05-11 E-Test 1 (Deadline 17 05, 11 59pm ) ��berpr��fung des Testversuchs.png
- E: Handled by bug report queue: java.nio.file.InvalidPathException: Malformed input or input contains unmappable characters: ${HOME}/Downloads/Screenshot_2020-05-11 E-Test 1 (Deadline 17 05, 11 59pm ) ��berpr��fung des Testversuchs.png


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

Warning issued by: BugReportExceptionHandler#handleException

=== STACK TRACE ===
Thread: Basic L&F File Loading Thread (220)
java.nio.file.InvalidPathException: Malformed input or input contains unmappable characters: /home/niels/Downloads/Screenshot_2020-05-11 E-Test 1 (Deadline 17 05, 11 59pm ) ��berpr��fung des Testversuchs.png
	at java.base/sun.nio.fs.UnixPath.encode(UnixPath.java:145)
	at java.base/sun.nio.fs.UnixPath.<init>(UnixPath.java:69)
	at java.base/sun.nio.fs.UnixFileSystem.getPath(UnixFileSystem.java:279)
	at java.base/java.nio.file.Path.of(Path.java:147)
	at java.base/java.nio.file.Paths.get(Paths.java:69)
	at java.desktop/sun.awt.shell.ShellFolder.getShellFolder(ShellFolder.java:247)
	at java.desktop/javax.swing.filechooser.FileSystemView.getFiles(FileSystemView.java:523)
	at java.desktop/javax.swing.plaf.basic.BasicDirectoryModel$FilesLoader.run0(BasicDirectoryModel.java:290)
	at java.desktop/javax.swing.plaf.basic.BasicDirectoryModel$FilesLoader.run(BasicDirectoryModel.java:279)
	at java.base/java.lang.Thread.run(Thread.java:834)

[skyper]

Closed as duplicate of #14596.
You need to specify a language (--language) if using utf8 and LANG=C.