± ivan@azkaban:~/temp/gist-1208309 [ruby-1.9.2-p180]
git:(master) ✗ !? » ./scalatra hello_world
the classpath:
/Users/ivan/temp/gist-1208309/./dist/jetty-continuation-8.0.1.v20110908.jar:/Users/ivan/temp/gist-1208309/./dist/jetty-http-8.0.1.v20110908.jar:/Users/ivan/temp/gist-1208309/./dist/jetty-io-8.0.1.v20110908.jar:/Users/ivan/temp/gist-1208309/./dist/jetty-security-8.0.1.v20110908.jar:/Users/ivan/temp/gist-1208309/./dist/jetty-server-8.0.1.v20110908.jar:/Users/ivan/temp/gist-1208309/./dist/jetty-servlet-8.0.1.v20110908.jar:/Users/ivan/temp/gist-1208309/./dist/jetty-util-8.0.1.v20110908.jar:/Users/ivan/temp/gist-1208309/./dist/jetty-webapp-8.0.1.v20110908.jar:/Users/ivan/temp/gist-1208309/./dist/jetty-xml-8.0.1.v20110908.jar:/Users/ivan/temp/gist-1208309/./dist/scalatra_2.9.1-2.1.0-SNAPSHOT.jar:/Users/ivan/temp/gist-1208309/./dist/servlet-api-3.0.20100224.jar
Please wait while scalatra gets ready for business...
<script>:2: error: object scalatra is not a member of package org
import org.scalatra._
           ^
<console>:5: error: not found: type Main$$anon$1$ServletLoader
  var value: Main$$anon$1$ServletLoader = _
             ^
<console>:6: error: not found: type Main$$anon$1$ServletLoader
  def set(x: Any) = value = x.asInstanceOf[Main$$anon$1$ServletLoader]
                                           ^
<console>:10: error: not found: value scalatraApp
val $ires0 = scalatraApp.app
             ^
<console>:7: error: not found: value scalatraApp
       scalatraApp.app = new HelloServlet
       ^
java.lang.IllegalArgumentException
	at org.eclipse.jetty.servlet.ServletHolder.setServlet(ServletHolder.java:127)
	at org.eclipse.jetty.servlet.ServletHolder.<init>(ServletHolder.java:102)
	at Main$$anon$1.<init>(scalatra:57)
	at Main$.main(scalatra:1)
	at Main.main(scalatra)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at scala.tools.nsc.util.ScalaClassLoader$$anonfun$run$1.apply(ScalaClassLoader.scala:78)
	at scala.tools.nsc.util.ScalaClassLoader$class.asContext(ScalaClassLoader.scala:24)
	at scala.tools.nsc.util.ScalaClassLoader$URLClassLoader.asContext(ScalaClassLoader.scala:88)
	at scala.tools.nsc.util.ScalaClassLoader$class.run(ScalaClassLoader.scala:78)
	at scala.tools.nsc.util.ScalaClassLoader$URLClassLoader.run(ScalaClassLoader.scala:101)
	at scala.tools.nsc.ObjectRunner$.run(ObjectRunner.scala:33)
	at scala.tools.nsc.ObjectRunner$.runAndCatch(ObjectRunner.scala:40)
	at scala.tools.nsc.ScriptRunner.scala$tools$nsc$ScriptRunner$$runCompiled(ScriptRunner.scala:171)
	at scala.tools.nsc.ScriptRunner$$anonfun$runScript$1.apply(ScriptRunner.scala:188)
	at scala.tools.nsc.ScriptRunner$$anonfun$runScript$1.apply(ScriptRunner.scala:188)
	at scala.tools.nsc.ScriptRunner$$anonfun$withCompiledScript$1.apply$mcZ$sp(ScriptRunner.scala:157)
	at scala.tools.nsc.ScriptRunner$$anonfun$withCompiledScript$1.apply(ScriptRunner.scala:131)
	at scala.tools.nsc.ScriptRunner$$anonfun$withCompiledScript$1.apply(ScriptRunner.scala:131)
	at scala.tools.nsc.util.package$.waitingForThreads(package.scala:26)
	at scala.tools.nsc.ScriptRunner.withCompiledScript(ScriptRunner.scala:130)
	at scala.tools.nsc.ScriptRunner.runScript(ScriptRunner.scala:188)
	at scala.tools.nsc.ScriptRunner.runScriptAndCatch(ScriptRunner.scala:201)
	at scala.tools.nsc.MainGenericRunner.runTarget$1(MainGenericRunner.scala:58)
	at scala.tools.nsc.MainGenericRunner.process(MainGenericRunner.scala:80)
	at scala.tools.nsc.MainGenericRunner$.main(MainGenericRunner.scala:89)
	at scala.tools.nsc.MainGenericRunner.main(MainGenericRunner.scala)