Is GWT still alive?

Try this:

https://github.com/tbroyer/gwt-maven-archetypes

https://stackoverflow.com/questions/13933957/remoteserviceservlet-with-filter-in-gwt

https://medium.com/@AlexeyBalchunas/make-any-java-web-app-serverless-786119ffdf83

Can I import sources and generate the necessary XML file to make it a GWT module? Gradle source dependencies could help

https://blog.gradle.org/introducing-source-dependencies