Hi Dmitriy, I switched to Scala 2.9.3. It works for me now.
Thanks, Saleem On Fri, Apr 11, 2014 at 7:39 PM, Dmitriy Lyubimov <[email protected]> wrote: > 0.9 release needs scala 2.9 > On Apr 11, 2014 5:32 AM, "tuxdna" <[email protected]> wrote: > >> I have included Mahout 0.9 libraries with Scala 2.10.2 in my project's >> build.sbt as follows: >> >> scalaVersion :="2.10.2" >> >> libraryDependencies += "org.apache.mahout" % "mahout-core" % "0.9" >> >> libraryDependencies += "org.apache.mahout" % "mahout-math" % "0.9" >> >> libraryDependencies += "org.apache.mahout" % "mahout-examples" % "0.9" >> >> libraryDependencies += "org.apache.mahout" % "mahout-math-scala" % "0.9" >> >> libraryDependencies += "org.scala-lang" % "scala-library" % "2.10.2" >> >> libraryDependencies += "org.scala-lang" % "scala-reflect" % "2.10.2" >> >> >> When I try to use mahout-math-scala bindings described here [1] from >> SBT console, I get following: >> >> $ sbt console >> Welcome to Scala version 2.10.2 (OpenJDK 64-Bit Server VM, Java 1.7.0_51). >> >> scala> import org.apache.mahout.math.scalabindings._ >> import org.apache.mahout.math.scalabindings._ >> >> scala> val v1 = dvec(1, 0, 1.1, 1.2) >> java.lang.NoClassDefFoundError: scala/reflect/ClassManifest >> at .<init>(<console>:10) >> at .<clinit>(<console>) >> at .<init>(<console>:7) >> at .<clinit>(<console>) >> at $print(<console>) >> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) >> at >> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) >> at >> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) >> at java.lang.reflect.Method.invoke(Method.java:606) >> at scala.tools.nsc.interpreter.IMain$ReadEvalPrint.call(IMain.scala:734) >> at scala.tools.nsc.interpreter.IMain$Request.loadAndRun(IMain.scala:983) >> at scala.tools.nsc.interpreter.IMain.loadAndRunReq$1(IMain.scala:573) >> at scala.tools.nsc.interpreter.IMain.interpret(IMain.scala:604) >> at scala.tools.nsc.interpreter.IMain.interpret(IMain.scala:568) >> at scala.tools.nsc.interpreter.ILoop.reallyInterpret$1(ILoop.scala:745) >> at scala.tools.nsc.interpreter.ILoop.interpretStartingWith(ILoop.scala:790) >> at scala.tools.nsc.interpreter.ILoop.command(ILoop.scala:702) >> at scala.tools.nsc.interpreter.ILoop.processLine$1(ILoop.scala:566) >> at scala.tools.nsc.interpreter.ILoop.innerLoop$1(ILoop.scala:573) >> at scala.tools.nsc.interpreter.ILoop.loop(ILoop.scala:576) >> at >> scala.tools.nsc.interpreter.ILoop$$anonfun$process$1.apply$mcZ$sp(ILoop.scala:867) >> at >> scala.tools.nsc.interpreter.ILoop$$anonfun$process$1.apply(ILoop.scala:822) >> at >> scala.tools.nsc.interpreter.ILoop$$anonfun$process$1.apply(ILoop.scala:822) >> at >> scala.tools.nsc.util.ScalaClassLoader$.savingContextLoader(ScalaClassLoader.scala:135) >> at scala.tools.nsc.interpreter.ILoop.process(ILoop.scala:822) >> at scala.tools.nsc.interpreter.ILoop.main(ILoop.scala:889) >> at xsbt.ConsoleInterface.run(ConsoleInterface.scala:69) >> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) >> at >> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) >> at >> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) >> at java.lang.reflect.Method.invoke(Method.java:606) >> at sbt.compiler.AnalyzingCompiler.call(AnalyzingCompiler.scala:102) >> at sbt.compiler.AnalyzingCompiler.console(AnalyzingCompiler.scala:77) >> at sbt.Console.sbt$Console$$console0$1(Console.scala:23) >> at >> sbt.Console$$anonfun$apply$2$$anonfun$apply$1.apply$mcV$sp(Console.scala:24) >> at sbt.Console$$anonfun$apply$2$$anonfun$apply$1.apply(Console.scala:24) >> at sbt.Console$$anonfun$apply$2$$anonfun$apply$1.apply(Console.scala:24) >> at sbt.Logger$$anon$4.apply(Logger.scala:90) >> at sbt.TrapExit$App.run(TrapExit.scala:244) >> at java.lang.Thread.run(Thread.java:744) >> Caused by: java.lang.ClassNotFoundException: scala.reflect.ClassManifest >> at java.net.URLClassLoader$1.run(URLClassLoader.java:366) >> at java.net.URLClassLoader$1.run(URLClassLoader.java:355) >> at java.security.AccessController.doPrivileged(Native Method) >> at java.net.URLClassLoader.findClass(URLClassLoader.java:354) >> at java.lang.ClassLoader.loadClass(ClassLoader.java:425) >> at java.lang.ClassLoader.loadClass(ClassLoader.java:358) >> ... 40 more >> >> >> Note that I have included both "scala-library" and "scala-reflect" >> dependencies into the project as suggest here [2]. >> >> What am I doing wrong? Please suggest. >> >> Regards, >> Saleem >> >> [1] >> http://weatheringthrutechdays.blogspot.com.br/2013/07/scala-dsl-for-mahout-in-core-linear.html >> [2] >> http://stackoverflow.com/questions/18100226/java-lang-noclassdeffounderror-scala-reflect-classmanifest >>
