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Posted to issues@spark.apache.org by "Marcelo Vanzin (JIRA)" <ji...@apache.org> on 2015/12/10 17:37:10 UTC
[jira] [Resolved] (SPARK-11832) Spark shell does not work from sbt
with scala 2.11
[ https://issues.apache.org/jira/browse/SPARK-11832?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Marcelo Vanzin resolved SPARK-11832.
------------------------------------
Resolution: Fixed
Assignee: Jakob Odersky
Fix Version/s: 2.0.0
> Spark shell does not work from sbt with scala 2.11
> --------------------------------------------------
>
> Key: SPARK-11832
> URL: https://issues.apache.org/jira/browse/SPARK-11832
> Project: Spark
> Issue Type: Bug
> Components: Spark Shell
> Reporter: Jakob Odersky
> Assignee: Jakob Odersky
> Priority: Minor
> Fix For: 2.0.0
>
>
> Using Scala 2.11, running the spark shell task from within sbt fails, however running it from a distribution works.
> h3. Steps to reproduce
> # change scala version {{dev/change-scala-version.sh 2.11}}
> # start sbt {{build/sbt -Dscala-2.11}}
> # run shell task {{sparkShell}}
> h3. Stacktrace
> {code}
> Failed to initialize compiler: object scala in compiler mirror not found.
> ** Note that as of 2.8 scala does not assume use of the java classpath.
> ** For the old behavior pass -usejavacp to scala, or if using a Settings
> ** object programmatically, settings.usejavacp.value = true.
> Exception in thread "main" java.lang.NullPointerException
> at scala.reflect.internal.SymbolTable.exitingPhase(SymbolTable.scala:256)
> at scala.tools.nsc.interpreter.IMain$Request.x$20$lzycompute(IMain.scala:894)
> at scala.tools.nsc.interpreter.IMain$Request.x$20(IMain.scala:893)
> at scala.tools.nsc.interpreter.IMain$Request.importsPreamble$lzycompute(IMain.scala:893)
> at scala.tools.nsc.interpreter.IMain$Request.importsPreamble(IMain.scala:893)
> at scala.tools.nsc.interpreter.IMain$Request$Wrapper.preamble(IMain.scala:915)
> at scala.tools.nsc.interpreter.IMain$CodeAssembler$$anonfun$apply$23.apply(IMain.scala:1325)
> at scala.tools.nsc.interpreter.IMain$CodeAssembler$$anonfun$apply$23.apply(IMain.scala:1324)
> at scala.tools.nsc.util.package$.stringFromWriter(package.scala:64)
> at scala.tools.nsc.interpreter.IMain$CodeAssembler$class.apply(IMain.scala:1324)
> at scala.tools.nsc.interpreter.IMain$Request$Wrapper.apply(IMain.scala:906)
> at scala.tools.nsc.interpreter.IMain$Request.compile$lzycompute(IMain.scala:995)
> at scala.tools.nsc.interpreter.IMain$Request.compile(IMain.scala:990)
> at scala.tools.nsc.interpreter.IMain.compile(IMain.scala:577)
> at scala.tools.nsc.interpreter.IMain.interpret(IMain.scala:565)
> at scala.tools.nsc.interpreter.IMain.interpret(IMain.scala:563)
> at scala.tools.nsc.interpreter.ILoop.reallyInterpret$1(ILoop.scala:802)
> at scala.tools.nsc.interpreter.ILoop.interpretStartingWith(ILoop.scala:836)
> at scala.tools.nsc.interpreter.ILoop.command(ILoop.scala:694)
> at scala.tools.nsc.interpreter.ILoop.processLine(ILoop.scala:404)
> at org.apache.spark.repl.SparkILoop$$anonfun$initializeSpark$1.apply$mcZ$sp(SparkILoop.scala:39)
> at org.apache.spark.repl.SparkILoop$$anonfun$initializeSpark$1.apply(SparkILoop.scala:38)
> at org.apache.spark.repl.SparkILoop$$anonfun$initializeSpark$1.apply(SparkILoop.scala:38)
> at scala.tools.nsc.interpreter.IMain.beQuietDuring(IMain.scala:213)
> at org.apache.spark.repl.SparkILoop.initializeSpark(SparkILoop.scala:38)
> at org.apache.spark.repl.SparkILoop.loadFiles(SparkILoop.scala:94)
> at scala.tools.nsc.interpreter.ILoop$$anonfun$process$1.apply$mcZ$sp(ILoop.scala:922)
> at scala.tools.nsc.interpreter.ILoop$$anonfun$process$1.apply(ILoop.scala:911)
> at scala.tools.nsc.interpreter.ILoop$$anonfun$process$1.apply(ILoop.scala:911)
> at scala.reflect.internal.util.ScalaClassLoader$.savingContextLoader(ScalaClassLoader.scala:97)
> at scala.tools.nsc.interpreter.ILoop.process(ILoop.scala:911)
> at org.apache.spark.repl.Main$.main(Main.scala:49)
> at org.apache.spark.repl.Main.main(Main.scala)
> {code}
> h3. Workaround
> In {{repl/scala-2.11/src/main/scala/org/apache/spark/repl/Main.scala}}, append to the repl settings {{s.usejavacp.value = true}}
> I haven't looked into the details of {{scala.tools.nsc.Settings}}, maybe someone has an idea of what's going on.
> Also, to be clear, this bug only affects scala 2.11 from within sbt; calling spark-shell from a distribution or from anywhere using scala 2.10 works.
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