Vaadin 24: Lookup instance not found in VaadinContext when running in Eclipse

[marcoc_753 (Marco Collovati)]

Did you already take a look at similar posts?

java.lang.IllegalStateException: Lookup instance is not found in VaadinContext

Hi Marco, Regarding the initial error mentioned in this thread: SEVERE: Servlet.service() for servlet [dispatcherServletRegistration] in context with path [] threw exception java.lang.IllegalStateException: The application Lookup instance is not found in VaadinContext. The instance is supposed to be created by a ServletContainerInitializer. Issues known to cause this problem are: - A Spring Boot application deployed as a war-file but the main application class does not extend SpringBootServl…

Another potential issue could be that Eclipse does not include vaadin-dev-server in the deployed WAR. Unfortunately, I’m not an Eclipse user, so I can’t help that much with it.