Selecting "Customized Preview Style" causes uncaught exception

[wujastyk]

JabRef version

Other (please describe below)

Operating system

GNU / Linux

Details on version and operating system

JabRef 5.4--2021-11-25--7aaf5e2 Linux 5.11.0-40-generic amd64 Java 16.0.2 JavaFX 17.0.1+1

Checked with the latest development build

• I made a backup of my libraries before testing the latest development version.
• I have tested the latest development version and the problem persists

Steps to reproduce the behaviour

1. Options / Preferences / Entry Preview /
2. Select Customized preview style (first "Available" entry)
3. Tried a random edit, and got this:

I can reproduce this reliably.

1. Select any "Available" journal style
2. click the XML window below
3. go back to the journal style window and click on another style name
4. the uncaught exception window pops up.

Appendix

...

Log File

java.lang.NullPointerException: Cannot invoke "org.jabref.logic.preview.PreviewLayout.getDisplayName()" because "this.layout" is null
	at org.jabref@5.4.517/org.jabref.gui.preview.PreviewViewer.lambda$update$6(Unknown Source)
	at org.jabref@5.4.517/org.jabref.gui.util.DefaultTaskExecutor.lambda$getJavaFXTask$3(Unknown Source)
	at org.jabref.merged.module@5.4.517/com.sun.javafx.event.CompositeEventHandler.dispatchBubblingEvent(Unknown Source)
	at org.jabref.merged.module@5.4.517/com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(Unknown Source)
	at org.jabref.merged.module@5.4.517/com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(Unknown Source)
	at org.jabref.merged.module@5.4.517/com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(Unknown Source)
	at org.jabref.merged.module@5.4.517/com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(Unknown Source)
	at org.jabref.merged.module@5.4.517/com.sun.javafx.event.EventUtil.fireEventImpl(Unknown Source)
	at org.jabref.merged.module@5.4.517/com.sun.javafx.event.EventUtil.fireEvent(Unknown Source)
	at org.jabref.merged.module@5.4.517/javafx.event.Event.fireEvent(Unknown Source)
	at org.jabref.merged.module@5.4.517/javafx.concurrent.EventHelper.fireEvent(Unknown Source)
	at org.jabref.merged.module@5.4.517/javafx.concurrent.Task.fireEvent(Unknown Source)
	at org.jabref.merged.module@5.4.517/javafx.concurrent.Task.setState(Unknown Source)
	at org.jabref.merged.module@5.4.517/javafx.concurrent.Task$TaskCallable.lambda$call$0(Unknown Source)
	at org.jabref.merged.module@5.4.517/com.sun.javafx.application.PlatformImpl.lambda$runLater$10(Unknown Source)
	at java.base/java.security.AccessController.doPrivileged(Unknown Source)
	at org.jabref.merged.module@5.4.517/com.sun.javafx.application.PlatformImpl.lambda$runLater$11(Unknown Source)
	at org.jabref.merged.module@5.4.517/com.sun.glass.ui.InvokeLaterDispatcher$Future.run(Unknown Source)
	at org.jabref.merged.module@5.4.517/com.sun.glass.ui.gtk.GtkApplication._runLoop(Native Method)
	at org.jabref.merged.module@5.4.517/com.sun.glass.ui.gtk.GtkApplication.lambda$runLoop$11(Unknown Source)
	at java.base/java.lang.Thread.run(Unknown Source)

[Siedlerchr]

I could reproduce this as well following your instructions, but one has to first click into the Edit field...