The issue is fixed by installing openjfx in Ubuntu. This should be a dependency during installation or embedded in the executable.

Same issue here. FileBot 4.7.1 (r4126) / OpenJDK Runtime Environment 1.8.0_91 When I try to rename a file: Failed to initialize JavaFX java.lang.NoClassDefFoundError: javafx/embed/swing/JFXPanel at net.filebot.util.ui.SwingUI.initJavaFX(SwingUI.java:423) at net.filebot.Main.main(Main.java:148 ...