Scala IDE 4.0.0 thinks there's errors in an out-of-the-box Play Framework 2.3.7 program

Question

I\'ve created a Play Framework program via Typesafe Activator (so it follows the template exactly).

I used sbteclipse-plugin version 3.0.0 to create an

Answer 1

For me, it turned out that installed JRE in the Scala IDE was openjdk, changed it to Oracle Java 8 and it worked.