下载带有 play 框架的 typesafe2.0，在网络请求上出现异常 [关闭]

下载了带有 Play 2 的 typesafe 2.0 (2.0RC3)

Ran g8 typesafehub/play-scala 也 g8 typesafehub/play-java （两者的作用相同）

一切OK，然后sbt运行

一切看起来都正常，出现在端口 9000 上。但是当我访问网页时，出现异常：

[error] {file:/C:/typesafe2/my_app_scala/}my_app_scala/compile:sources: java.lan
g.ExceptionInInitializerError
[error] application -

! Internal server error, for request [GET /] ->

play.api.UnexpectedException: Unexpected exception [ExceptionInInitializerError:
 null]
        at sbt.PlayReloader$$anon$2$$anonfun$reload$3$$anonfun$2$$anonfun$apply$
11.apply(PlayReloader.scala:228) ~[na:na]
        at sbt.PlayReloader$$anon$2$$anonfun$reload$3$$anonfun$2$$anonfun$apply$
11.apply(PlayReloader.scala:221) ~[na:na]
        at scala.Option.map(Option.scala:133) ~[scala-library.jar:0.11.2]
        at sbt.PlayReloader$$anon$2$$anonfun$reload$3$$anonfun$2.apply(PlayReloa
der.scala:221) ~[na:na]
        at sbt.PlayReloader$$anon$2$$anonfun$reload$3$$anonfun$2.apply(PlayReloa
der.scala:219) ~[na:na]
        at scala.Either$LeftProjection.map(Either.scala:183) ~[scala-library.jar
:0.11.2]
java.lang.ExceptionInInitializerError: null
        at play.templates.ScalaTemplateCompiler$TemplateAsFunctionCompiler$.getF
unctionMapping(ScalaTemplates.scala:561) ~[templates_2.9.1-2.0-RC3.jar:2.0-RC3]
        at play.templates.ScalaTemplateCompiler$.generateFinalTemplate(ScalaTemp
lates.scala:500) ~[templates_2.9.1-2.0-RC3.jar:2.0-RC3]
        at play.templates.ScalaTemplateCompiler$.compile(ScalaTemplates.scala:18
9) ~[templates_2.9.1-2.0-RC3.jar:2.0-RC3]
        at sbt.PlayCommands$$anonfun$48$$anonfun$apply$38.apply(PlayCommands.sca
la:533) ~[na:na]
        at sbt.PlayCommands$$anonfun$48$$anonfun$apply$38.apply(PlayCommands.sca
la:531) ~[na:na]
        at scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.
scala:60) ~[scala-library.jar:0.11.2]
Caused by: scala.tools.nsc.MissingRequirementError: object scala not found.
        at scala.tools.nsc.symtab.Definitions$definitions$.getModuleOrClass(Defi
nitions.scala:655) ~[scala-compiler.jar:na]
        at scala.tools.nsc.symtab.Definitions$definitions$.getModule(Definitions
.scala:605) ~[scala-compiler.jar:na]
        at scala.tools.nsc.symtab.Definitions$definitions$.ScalaPackage(Definiti
ons.scala:145) ~[scala-compiler.jar:na]
        at scala.tools.nsc.symtab.Definitions$definitions$.ScalaPackageClass(Def
initions.scala:146) ~[scala-compiler.jar:na]
        at scala.tools.nsc.symtab.Definitions$definitions$.AnyClass(Definitions.
scala:176) ~[scala-compiler.jar:na]
        at scala.tools.nsc.symtab.Definitions$definitions$.init(Definitions.scal
a:814) ~[scala-compiler.jar:na]

任何想法？ Scala 看起来很好，因为我可以毫无问题地 g8 typesafehub/scala-sbt 和 g8 typesafehub/akka-scala-sbt

Thanks.