gistfile1.scala

object FooWebSocketHandler extends WebSocketController{

	def handle(msg: String) {
		outbound.send(msg) // The file /app/controllers.scala could not be compiled. Error raised is : not found: value outbound
	}

}

gistfile2.scala

object FooWebSocketHandler extends WebSocketController{

	def handle(msg: String) {
		WebSocketController.outbound.send(msg)  // The file /app/controllers.scala could not be compiled. Error raised is : variable outbound cannot be accessed in object play.mvc.WebSocketController
	}

}

gistfile3.scala

object FooWebSocketHandler extends WebSocketController{

	def handle(msg: String) {
		/*
		Oops: UnexpectedException
		An unexpected error occured caused by exception UnexpectedException: While applying class play.classloading.enhancers.SigEnhancer on controllers.FooWebSocketHandler
		
		play.exceptions.UnexpectedException: While applying play.CorePlugin@27b03c1a on controllers.FooWebSocketHandler
			at play.plugins.PluginCollection.enhance(PluginCollection.java:436)
			at play.classloading.ApplicationClasses$ApplicationClass.enhance(ApplicationClasses.java:208)
			at play.classloading.ApplicationClassloader.loadApplicationClass(ApplicationClassloader.java:151)
			at play.classloading.ApplicationClassloader.getAllClasses(ApplicationClassloader.java:409)
			at play.Play.start(Play.java:447)
			at play.Play.detectChanges(Play.java:567)
			at play.Invoker$Invocation.init(Invoker.java:165)
			at Invocation.HTTP Request(Play!)
		Caused by: play.exceptions.UnexpectedException: While applying class play.classloading.enhancers.SigEnhancer on controllers.FooWebSocketHandler
			at play.CorePlugin.enhance(CorePlugin.java:297)
			at play.plugins.PluginCollection.enhance(PluginCollection.java:433)
			... 7 more
		Caused by: java.io.EOFException
			at java.io.DataInputStream.readInt(DataInputStream.java:375)
			at javassist.bytecode.ClassFile.read(ClassFile.java:687)
			at javassist.bytecode.ClassFile.<init>(ClassFile.java:85)
			at javassist.CtClassType.<init>(CtClassType.java:94)
			at javassist.ClassPool.makeClass(ClassPool.java:680)
			at javassist.ClassPool.makeClass(ClassPool.java:658)
			at play.classloading.enhancers.Enhancer.makeClass(Enhancer.java:46)
			at play.classloading.enhancers.SigEnhancer.enhanceThisClass(SigEnhancer.java:21)
			at play.CorePlugin.enhance(CorePlugin.java:294)
			... 8 more
		 */
		Http.Outbound.current().send(msg)
	}

}