Scala project won't compile in Eclipse; “Could not find the main class.”

Question

I have installed Eclipse 3.5.2 and today\'s Scala plugin from /update-current (that\'s Scala 2.8 final.) I can compile and run Scala projects consisting of a single singleto

Answer 1

Check scala-ide.log

For me the issue was that there were errors on:

AppData\Local\Temp\sbt_10d322fb\xsbt\ClassName.scala:16: error: not found: value enteringPhase enteringPhase(currentRun.flattenPhase.next) { s fullName separator }