Eclipse not recognizing Scala code

Question

I have Eclipse Indigo with the Scala IDE plugin. I downloaded a lift project from Maven. It builds correctly. Eclipse says it is viewing it with the Scala editor.

How

Answer 1

Sometimes, or in some versions, you don't see the "Add Scala Nature" option.

Adding it to your .project file manually should do. E.g. this project supports scala and java natures, so it will treat .java as Java, and .scala as Scala.

  myprojectname
  
    
      org.scala-ide.sdt.core.scalabuilder
    
  
  
    org.scala-ide.sdt.core.scalanature
    org.eclipse.jdt.core.javanature