java.lang.ClassCastException: java.io.File cannot be cast to java.nio.file.Path
        at org.jabref.gui.fieldeditors.FileListEditorTransferHandler.lambda$importData$2(FileListEditorTransferHandler.java:103) ~[JabRef-dev-fat.jar:?]
        at java.awt.event.InvocationEvent.dispatch(Unknown Source) ~[?:1.8.0_144]
        at java.awt.EventQueue.dispatchEventImpl(Unknown Source) ~[?:1.8.0_144]