Vaadin 24: Trying to run designer in eclipse, fails with NPE.

Hi, I’ve entered a 2 week trial for Flow, and wanted to look into this version - been working with vaadin 7 and 8. However it fails to startup when clicking on the .ts file. The following null pointer exception is thrown:

java.lang.NullPointerException: Cannot invoke “” because “packageJsonObj” is null
at com.vaadin.designer2.eclipse.editors.flow.Polymer3FlowEditor.init(
at org.eclipse.ui.internal.EditorReference.initialize(

any tips on how to launch the Designer in Eclipse…?
My eclipse is: Version: 2023-06 (4.28.0) and it runs flow apps just fine.

Hi, at first I also had this problem. May be you take a wrong example.
Try “Download Starter”