Friday, January 27, 2023

JreJsonObject cannot be cast to Serializable

macOS Monterey 12.6.2 gives this exception when trying to run a spring boot based vaadin project. ClassCastException: class elemental.json.impl.JreJsonObject cannot be cast to class This is an issue with the OS. The project works fine on a lower version of the OS, v12.3.1 for example.