@WebServlet fails in Netbeans 11.0 with java.lang.RuntimeException: com.example.NewServlet.(NewServlet.java:1)

Question

Some kind of nightmare - can not launch primitive servlet on Apache Tomcat 9.0.22 (or Glassfish 5.0.1) and Apache NetBeans IDE 11.0 (Build incubator-netbeans-release-404-on-

Answer 1

I encountered this problem in Netbeans 12.0 today using OpenJDK 14. It turns out the problem was resolved by installing the nb-javac plugin.