Github user kevin-bates commented on a diff in the pull request: https://github.com/apache/incubator-toree/pull/104#discussion_r107460553 --- Diff: scala-interpreter/src/main/scala/org/apache/toree/kernel/interpreter/scala/ScalaInterpreter.scala --- @@ -18,37 +18,45 @@ package org.apache.toree.kernel.interpreter.scala import java.io.ByteArrayOutputStream -import java.net.{URL, URLClassLoader} -import java.nio.charset.Charset import java.util.concurrent.ExecutionException import com.typesafe.config.{Config, ConfigFactory} import org.apache.spark.SparkContext -import org.apache.spark.sql.SparkSession import org.apache.spark.repl.Main +import org.apache.spark.sql.SparkSession import org.apache.toree.interpreter._ -import org.apache.toree.kernel.api.{KernelLike, KernelOptions} +import org.apache.toree.kernel.api.KernelLike import org.apache.toree.utils.{MultiOutputStream, TaskManager} import org.slf4j.LoggerFactory import org.apache.toree.kernel.BuildInfo import scala.annotation.tailrec +import scala.collection.mutable import scala.concurrent.{Await, Future} import scala.language.reflectiveCalls import scala.tools.nsc.Settings import scala.tools.nsc.interpreter.{IR, OutputStream} import scala.tools.nsc.util.ClassPath -import scala.util.{Try => UtilTry} + +import org.apache.toree.kernel.protocol.v5.MIMEType +import org.apache.toree.magic.MagicOutput +import vegas.DSL.ExtendedUnitSpecBuilder +import vegas.render.StaticHTMLRenderer + class ScalaInterpreter(private val config:Config = ConfigFactory.load) extends Interpreter with ScalaInterpreterSpecific { + import ScalaInterpreter._ + + private var kernel: KernelLike = _ + protected val logger = LoggerFactory.getLogger(this.getClass.getName) protected val _thisClassloader = this.getClass.getClassLoader protected val lastResultOut = new ByteArrayOutputStream() - protected val multiOutputStream = MultiOutputStream(List(Console.out, lastResultOut)) + protected val multiOutputStream = lastResultOut --- End diff -- At a minimum, this needs to remain a MultiOutputStream (of one item) else it will produce a compilation error in [here](https://github.com/apache/incubator-toree/blob/master/scala-interpreter/src/test/scala/integration/interpreter/scala/AddExternalJarMagicSpecForIntegration.scala#L41). Removal of Console.out is further discussed in #116.
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