jansi.dll already loaded in another classloader

JLine2ClassLoaderTest.scala

// scala -cp "jcl-core-2.2.2.jar;log4j-1.2.16.jar"
// http://sourceforge.net/projects/jcloader/files/jcl2/org/xeustechnologies/jcl/2.2.2/jcl-core-2.2.2.jar/download
// see http://jcloader.sourceforge.net/gettingstarted.html

import org.xeustechnologies.jcl._
import java.lang.reflect.Method

// jline2
//val t = new jline.WindowsTerminal
//t.getWidth

// trying in a classloader:
def jline2_getWidth(path:String) = {
  import scala.util.control.Exception.allCatch
  val jcl = new JarClassLoader()
  jcl.add(path)
  val factory = JclObjectFactory.getInstance()
  val winTerminal = factory.create(jcl, "jline.WindowsTerminal")
  val method = winTerminal.getClass.getMethod("getWidth")
  allCatch either { method.invoke(winTerminal) } match {
    case Left(ex) => ex.toString + " " + ex.getCause.getMessage
    case Right(obj) => obj.toString
  }
}

jline2_getWidth("""C:\jlh\code\other\scala-2.9.0.r24045\lib\jline.jar""")
// res0: java.lang.String = java.lang.reflect.InvocationTargetException
// Could not load library. Reasons: 
// [no jansi in java.library.path,
// Native Library C:\Users\jlh\AppData\Local\Temp\jansi.dll already loaded in another classloader]


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