Hello! Finally I decided to migrate my project from v7 to v8 of vaadin. I changed the version in pom.xml file, did maven update project and got those errors:
[code]
Description Resource Path Location Type
The project was not built since its build path is incomplete. Cannot find the class file for com.vaadin.data.Property. Fix the build path then try building this project WebServEques Unknown Java Problem
Description Resource Path Location Type
The project was not built since its build path is incomplete. Cannot find the class file for com.vaadin.event.ItemClickEvent$ItemClickListener. Fix the build path then try building this project WebServ Unknown Java Problem
…
[/code]Any idea how to fix it?