我正在尝试在tomcat下进行scalate工作，但是当它尝试编译scaml模板时它会崩溃。码头没问题。我对这个和一般的tomcat都是新手。似乎github上的scalatra-sbt原型也崩溃了，这让我觉得它的tomcat配置不正确。
org.fusesource.scalate.TemplateException：scala/tools/nsc/settings/ScalaSettings
org.fusesource.scalate.TemplateEngine.compileAndLoad(TemplateEngine.scala:738)
org.fusesource.scalate.TemplateEngine.compileAndLoadEntry(TemplateEngine.scala:595)
org.fusesource.scalate.TemplateEngine.liftedTree1$1(TemplateEngine.scala:327)
org.fusesource.scalate.TemplateEngine.load(TemplateEngine.scala:321)
org.fusesource.scalate.TemplateEngine.load(TemplateEngine.scala:391)
org.scalatra.scalate.ScalateSupport$class.renderErrorPage(ScalateSupport.scala:50)
com.example.MyScalatraFilter.renderErrorPage(MyScalatraFilter.scala:7)
org.scalatra.scalate.ScalateSupport$class.handleError(ScalateSupport.scala:46)
com.example.MyScalatraFilter.handleError(MyScalatraFilter.scala:7)
org.scalatra.ScalatraKernel$$anonfun$handle$1$$anonfun$apply$mcV$sp$1$$anonfun$apply$mcV$sp$2.apply$mcV$sp(ScalatraKernel.scala:109)
org.scalatra.ScalatraKernel$$anonfun$handle$1$$anonfun$apply$mcV$sp$1$$anonfun$apply$mcV$sp$2.apply(ScalatraKernel.scala:100)
org.scalatra.ScalatraKernel$$anonfun$handle$1$$anonfun$apply$mcV$sp$1$$anonfun$apply$mcV$sp$2.apply(ScalatraKernel.scala:100)
scala.util.DynamicVariable.withValue(DynamicVariable.scala:71)
org.scalatra.ScalatraKernel$$anonfun$handle$1$$anonfun$apply$mcV$sp$1.apply$mcV$sp(ScalatraKernel.scala:100)
org.scalatra.ScalatraKernel$$anonfun$handle$1$$anonfun$apply$mcV$sp$1.apply(ScalatraKernel.scala:100)
org.scalatra.ScalatraKernel$$anonfun$handle$1$$anonfun$apply$mcV$sp$1.apply(ScalatraKernel.scala:100)
scala.util.DynamicVariable.withValue(DynamicVariable.scala:71)
org.scalatra.ScalatraKernel$$anonfun$handle$1.apply$mcV$sp(ScalatraKernel.scala:99)
org.scalatra.ScalatraKernel$$anonfun$handle$1.apply(ScalatraKernel.scala:99)
org.scalatra.ScalatraKernel$$anonfun$handle$1.apply(ScalatraKernel.scala:99)
scala.util.DynamicVariable.withValue(DynamicVariable.scala:71)
org.scalatra.ScalatraKernel$class.handle(ScalatraKernel.scala:98)
com.example.MyScalatraFilter.handle(MyScalatraFilter.scala:7)
org.scalatra.ScalatraFilter$$anonfun$doFilter$1.apply$mcV$sp(ScalatraFilter.scala:18)
org.scalatra.ScalatraFilter$$anonfun$doFilter$1.apply(ScalatraFilter.scala:18)
org.scalatra.ScalatraFilter$$anonfun$doFilter$1.apply(ScalatraFilter.scala:18)
scala.util.DynamicVariable.withValue(DynamicVariable.scala:71)
org.scalatra.ScalatraFilter$class.doFilter(ScalatraFilter.scala:17)
com.example.MyScalatraFilter.doFilter(MyScalatraFilter.scala:7)
根本原因
java.lang.NoClassDefFoundError: scala/tools/nsc/settings/ScalaSettings
org.fusesource.scalate.support.ScalaCompiler$.create(ScalaCompiler.scala:170)
org.fusesource.scalate.TemplateEngine.compiler(TemplateEngine.scala:154)
org.fusesource.scalate.TemplateEngine.compileAndLoad(TemplateEngine.scala:655)
org.fusesource.scalate.TemplateEngine.compileAndLoadEntry(TemplateEngine.scala:595)
org.fusesource.scalate.TemplateEngine.liftedTree1$1(TemplateEngine.scala:327)
org.fusesource.scalate.TemplateEngine.load(TemplateEngine.scala:321)
org.fusesource.scalate.TemplateEngine.load(TemplateEngine.scala:391)
org.scalatra.scalate.ScalateSupport$class.renderErrorPage(ScalateSupport.scala:50)
com.example.MyScalatraFilter.renderErrorPage(MyScalatraFilter.scala:7)
org.scalatra.scalate.ScalateSupport$class.handleError(ScalateSupport.scala:46)
com.example.MyScalatraFilter.handleError(MyScalatraFilter.scala:7)
org.scalatra.ScalatraKernel$$anonfun$handle$1$$anonfun$apply$mcV$sp$1$$anonfun$apply$mcV$sp$2.apply$mcV$sp(ScalatraKernel.scala:109)
org.scalatra.ScalatraKernel$$anonfun$handle$1$$anonfun$apply$mcV$sp$1$$anonfun$apply$mcV$sp$2.apply(ScalatraKernel.scala:100)
org.scalatra.ScalatraKernel$$anonfun$handle$1$$anonfun$apply$mcV$sp$1$$anonfun$apply$mcV$sp$2.apply(ScalatraKernel.scala:100)
scala.util.DynamicVariable.withValue(DynamicVariable.scala:71)
org.scalatra.ScalatraKernel$$anonfun$handle$1$$anonfun$apply$mcV$sp$1.apply$mcV$sp(ScalatraKernel.scala:100)
org.scalatra.ScalatraKernel$$anonfun$handle$1$$anonfun$apply$mcV$sp$1.apply(ScalatraKernel.scala:100)
org.scalatra.ScalatraKernel$$anonfun$handle$1$$anonfun$apply$mcV$sp$1.apply(ScalatraKernel.scala:100)
scala.util.DynamicVariable.withValue(DynamicVariable.scala:71)
org.scalatra.ScalatraKernel$$anonfun$handle$1.apply$mcV$sp(ScalatraKernel.scala:99)
org.scalatra.ScalatraKernel$$anonfun$handle$1.apply(ScalatraKernel.scala:99)
org.scalatra.ScalatraKernel$$anonfun$handle$1.apply(ScalatraKernel.scala:99)
scala.util.DynamicVariable.withValue(DynamicVariable.scala:71)
org.scalatra.ScalatraKernel$class.handle(ScalatraKernel.scala:98)
com.example.MyScalatraFilter.handle(MyScalatraFilter.scala:7)
org.scalatra.ScalatraFilter$$anonfun$doFilter$1.apply$mcV$sp(ScalatraFilter.scala:18)
org.scalatra.ScalatraFilter$$anonfun$doFilter$1.apply(ScalatraFilter.scala:18)
org.scalatra.ScalatraFilter$$anonfun$doFilter$1.apply(ScalatraFilter.scala:18)
scala.util.DynamicVariable.withValue(DynamicVariable.scala:71)
org.scalatra.ScalatraFilter$class.doFilter(ScalatraFilter.scala:17)
com.example.MyScalatraFilter.doFilter(MyScalatraFilter.scala:7)
根本原因
java.lang.ClassNotFoundException：scala.tools.nsc.settings.ScalaSettings
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1484)
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1329)
org.fusesource.scalate.support.ScalaCompiler$.create(ScalaCompiler.scala:170)
org.fusesource.scalate.TemplateEngine.compiler(TemplateEngine.scala:154)
org.fusesource.scalate.TemplateEngine.compileAndLoad(TemplateEngine.scala:655)
org.fusesource.scalate.TemplateEngine.compileAndLoadEntry(TemplateEngine.scala:595)
org.fusesource.scalate.TemplateEngine.liftedTree1$1(TemplateEngine.scala:327)
org.fusesource.scalate.TemplateEngine.load(TemplateEngine.scala:321)
org.fusesource.scalate.TemplateEngine.load(TemplateEngine.scala:391)
org.scalatra.scalate.ScalateSupport$class.renderErrorPage(ScalateSupport.scala:50)
com.example.MyScalatraFilter.renderErrorPage(MyScalatraFilter.scala:7)
org.scalatra.scalate.ScalateSupport$class.handleError(ScalateSupport.scala:46)
com.example.MyScalatraFilter.handleError(MyScalatraFilter.scala:7)
org.scalatra.ScalatraKernel$$anonfun$handle$1$$anonfun$apply$mcV$sp$1$$anonfun$apply$mcV$sp$2.apply$mcV$sp(ScalatraKernel.scala:109)
org.scalatra.ScalatraKernel$$anonfun$handle$1$$anonfun$apply$mcV$sp$1$$anonfun$apply$mcV$sp$2.apply(ScalatraKernel.scala:100)
org.scalatra.ScalatraKernel$$anonfun$handle$1$$anonfun$apply$mcV$sp$1$$anonfun$apply$mcV$sp$2.apply(ScalatraKernel.scala:100)
scala.util.DynamicVariable.withValue(DynamicVariable.scala:71)
org.scalatra.ScalatraKernel$$anonfun$handle$1$$anonfun$apply$mcV$sp$1.apply$mcV$sp(ScalatraKernel.scala:100)
org.scalatra.ScalatraKernel$$anonfun$handle$1$$anonfun$apply$mcV$sp$1.apply(ScalatraKernel.scala:100)
org.scalatra.ScalatraKernel$$anonfun$handle$1$$anonfun$apply$mcV$sp$1.apply(ScalatraKernel.scala:100)
scala.util.DynamicVariable.withValue(DynamicVariable.scala:71)
org.scalatra.ScalatraKernel$$anonfun$handle$1.apply$mcV$sp(ScalatraKernel.scala:99)
org.scalatra.ScalatraKernel$$anonfun$handle$1.apply(ScalatraKernel.scala:99)
org.scalatra.ScalatraKernel$$anonfun$handle$1.apply(ScalatraKernel.scala:99)
scala.util.DynamicVariable.withValue(DynamicVariable.scala:71)
org.scalatra.ScalatraKernel$class.handle(ScalatraKernel.scala:98)
com.example.MyScalatraFilter.handle(MyScalatraFilter.scala:7)
org.scalatra.ScalatraFilter$$anonfun$doFilter$1.apply$mcV$sp(ScalatraFilter.scala:18)
org.scalatra.ScalatraFilter$$anonfun$doFilter$1.apply(ScalatraFilter.scala:18)
org.scalatra.ScalatraFilter$$anonfun$doFilter$1.apply(ScalatraFilter.scala:18)
scala.util.DynamicVariable.withValue(DynamicVariable.scala:71)
org.scalatra.ScalatraFilter$class.doFilter(ScalatraFilter.scala:17)
com.example.MyScalatraFilter.doFilter(MyScalatraFilter.scala:7)
关于如何使 scalate 编译器在 tomcat 下工作的任何提示？