Nick questions

• Akka Singleton - not accepting messages
• Understanding lucene segments
• How to define a custom task in project/Build.scala in sbt?
• Intellij will not run ScalaTests - "Incompatible Class Change Error"
• System.ObjectDisposedException: Cannot access a closed Stream
• What are norms in Lucene
• Intellij compile failures: "is already defined as"

Nick answers