msgpack-scala.log

# Tried to work sample program(2. Use in normal way), but failed. http://wiki.msgpack.org/display/MSGPACK/QuickStart+for+Scala
# Compiler version : 2.9.1

scala> import org.msgpack._
import org.msgpack._

scala> import org.msgpack.annotation.Message
import org.msgpack.annotation.Message

scala> import org.msgpack.ScalaMessagePack._
import org.msgpack.ScalaMessagePack._

scala> @Message
     | class SampleClass {
     |   var name : String = "hoge"
     |   var number : Int = 2
     | }
defined class SampleClass

scala> val sc = new SampleClass()
sc: SampleClass = SampleClass@27d03700

scala> sc.name = "Test object"
sc.name: String = Test object

scala> sc.number = 123456
sc.number: Int = 123456

scala> val b : Array[Byte] = write(sc) //
org.msgpack.MessageTypeException: org.msgpack.template.builder.TemplateBuildException: javassist.CannotCompileException: [source error] no such class: SampleClass
  at org.msgpack.template.TemplateRegistry.buildAndRegister(TemplateRegistry.java:516)
	at org.msgpack.template.TemplateRegistry.lookupAfterBuilding(TemplateRegistry.java:413)
	at org.msgpack.template.TemplateRegistry.lookup(TemplateRegistry.java:246)
	at org.msgpack.MessagePack.write(MessagePack.java:195)
	at org.msgpack.ScalaMessagePackWrapper$class.write(ScalaMessagePack.scala:63)
	at org.msgpack.ScalaMessagePack$.write(ScalaMessagePack.scala:42)
	at .<init>(<console>:25)
	at .<clinit>(<console>)
	at .<init>(<console>:11)
	at .<clinit>(<console>)
	at $print(<console>)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at scala.tools.nsc.interpreter.IMain$ReadEvalPrint.call(IMain.scala:704)
	at scala.tools.nsc.interpreter.IMain$Request.loadAndRun(IMain.scala:914)
	at scala.tools.nsc.interpreter.IMain.loadAndRunReq$1(IMain.scala:546)
	at scala.tools.nsc.interpreter.IMain.interpret(IMain.scala:577)
	at scala.tools.nsc.interpreter.IMain.interpret(IMain.scala:543)
	at scala.tools.nsc.interpreter.ILoop.reallyInterpret$1(ILoop.scala:694)
	at scala.tools.nsc.interpreter.ILoop.interpretStartingWith(ILoop.scala:745)
	at scala.tools.nsc.interpreter.ILoop.command(ILoop.scala:651)
	at scala.tools.nsc.interpreter.ILoop.processLine$1(ILoop.scala:542)
	at scala.tools.nsc.interpreter.ILoop.loop(ILoop.scala:550)
	at scala.tools.nsc.interpreter.ILoop.process(ILoop.scala:822)
	at scala.tools.nsc.interpreter.ILoop.main(ILoop.scala:851)
	at xsbt.ConsoleInterface.run(ConsoleInterface.scala:57)
	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 sbt.compiler.AnalyzingCompiler.call(AnalyzingCompiler.scala:73)
	at sbt.compiler.AnalyzingCompiler.console(AnalyzingCompiler.scala:64)
	at sbt.Console.console0$1(Console.scala:23)
	at sbt.Console$$anonfun$apply$2$$anonfun$apply$1.apply$mcV$sp(Console.scala:24)
	at sbt.TrapExit$.executeMain$1(TrapExit.scala:33)
	at sbt.TrapExit$$anon$1.run(TrapExit.scala:42)
Caused by: org.msgpack.template.builder.TemplateBuildException: javassist.CannotCompileException: [source error] no such class: SampleClass
	at org.msgpack.template.builder.BuildContext.build(BuildContext.java:75)
	at org.msgpack.template.builder.ScalaBuildContext.buildTemplate(ScalaBuildContext.scala:51)
	at org.msgpack.template.builder.JavassistScalaTemplateBuilder.buildTemplate(JavassistScalaTemplateBuilder.scala:53)
	at org.msgpack.template.builder.AbstractTemplateBuilder.buildTemplate(AbstractTemplateBuilder.java:61)
	at org.msgpack.template.TemplateRegistry.buildAndRegister(TemplateRegistry.java:503)
	... 37 more
Caused by: javassist.CannotCompileException: [source error] no such class: SampleClass
	at javassist.CtBehavior.setBody(CtBehavior.java:417)
	at javassist.CtBehavior.setBody(CtBehavior.java:383)
	at javassist.CtNewMethod.make(CtNewMethod.java:138)
	at org.msgpack.template.builder.BuildContext.buildWriteMethod(BuildContext.java:119)
	at org.msgpack.template.builder.BuildContext.build(BuildContext.java:64)
	... 41 more
Caused by: compile error: no such class: SampleClass
	at javassist.compiler.MemberResolver.searchImports(MemberResolver.java:465)
	at javassist.compiler.MemberResolver.lookupClass(MemberResolver.java:409)
	at javassist.compiler.MemberResolver.lookupClassByJvmName(MemberResolver.java:319)
	at javassist.compiler.MemberResolver.resolveJvmClassName(MemberResolver.java:509)
	at javassist.compiler.MemberCodeGen.resolveClassName(MemberCodeGen.java:1145)
	at javassist.compiler.CodeGen.atDeclarator(CodeGen.java:712)
	at javassist.compiler.ast.Declarator.accept(Declarator.java:100)
	at javassist.compiler.CodeGen.atStmnt(CodeGen.java:351)
	at javassist.compiler.ast.Stmnt.accept(Stmnt.java:50)
	at javassist.compiler.CodeGen.atStmnt(CodeGen.java:351)
	at javassist.compiler.ast.Stmnt.accept(Stmnt.java:50)
	at javassist.compiler.CodeGen.atMethodBody(CodeGen.java:292)
	at javassist.compiler.Javac.compileBody(Javac.java:223)
	at javassist.CtBehavior.setBody(CtBehavior.java:409)
	... 45 more

Because you use REPL.
Default MessagePack's class loader can't refer REPL class loader.
You should init MessagePack class by yourself with REPL's class loader.
(But I don't know about class loader so much.So I don't know how to pass REPLS's class loader)