I made some research and test. All the open file dialog processes are affected by the error. In the log:
2024-06-21 08:55:50.828 SystemLogger ERROR: Exception in thread "ShowDialog" java.lang.NullPointerException
2024-06-21 08:55:50.828 SystemLogger ERROR: at java.base/java.io.File.<init>(File.java:278)
2024-06-21 08:55:50.829 SystemLogger ERROR: at java.desktop/sun.awt.X11.GtkFileDialogPeer.filenameFilterCallback(GtkFileDialogPeer.java:107)
2024-06-21 08:55:50.829 SystemLogger ERROR: at java.desktop/sun.awt.X11.GtkFileDialogPeer.run(Native Method)
2024-06-21 08:55:50.829 SystemLogger ERROR: at java.desktop/sun.awt.X11.GtkFileDialogPeer.showNativeDialog(GtkFileDialogPeer.java:195)
2024-06-21 08:55:50.829 SystemLogger ERROR: at java.desktop/sun.awt.X11.GtkFileDialogPeer.lambda$setVisible$0(GtkFileDialogPeer.java:118)
2024-06-21 08:55:50.830 SystemLogger ERROR: at java.base/java.lang.Thread.run(Thread.java:840)
I use Ubuntu 23.10 (mantic) with OpenPNP 2024-06-18 14:31 test version, with java:
openjdk version "17.0.11" 2024-04-16
OpenJDK Runtime Environment (build 17.0.11+9-Ubuntu-123.10.1)
OpenJDK 64-Bit Server VM (build 17.0.11+9-Ubuntu-123.10.1, mixed mode, sharing)
I tried wayland and Xorg, both are freezing, if I am to browse files. How can I help further?