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https://issues.apache.org/jira/browse/TOREE-395?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15935633#comment-15935633
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ASF GitHub Bot commented on TOREE-395:
--------------------------------------
Github user kevin-bates commented on a diff in the pull request:
https://github.com/apache/incubator-toree/pull/116#discussion_r107316407
--- Diff:
scala-interpreter/src/main/scala/org/apache/toree/kernel/interpreter/scala/ScalaInterpreter.scala
---
@@ -48,7 +48,7 @@ class ScalaInterpreter(private val config:Config =
ConfigFactory.load) extends I
protected val lastResultOut = new ByteArrayOutputStream()
- protected val multiOutputStream = MultiOutputStream(List(Console.out,
lastResultOut))
+ protected val multiOutputStream = MultiOutputStream(List(lastResultOut))
--- End diff --
multiOutputStream is overridden by a test class that requires the list,
that was the cause of the compilation failure. Your PR should have the same
failure.
> Provide a way to disable automatic printing of results in Toree Scala
> ---------------------------------------------------------------------
>
> Key: TOREE-395
> URL: https://issues.apache.org/jira/browse/TOREE-395
> Project: TOREE
> Issue Type: Improvement
> Affects Versions: 0.2.0
> Reporter: Kun Liu
>
> Scala REPL supports a flag, ":silent" to enable/disable automatic printing of
> results (those messages begin with "res"). This is also supported in Spark
> shell. But for Toree Scala kernel, this flag is not supported. Thus the
> result of a cell would be always printed.
> But if there is any logging mechanism, the results would be recorded in a log
> file, while this may not be desirable. For instance, a user may not want any
> sensitive data logged when running "dataRDD.take(5)" in a cell.
> Also found the possible source codes for this:
> https://github.com/apache/incubator-toree/blob/master/scala-interpreter/src/main/scala/org/apache/toree/kernel/interpreter/scala/ScalaInterpreter.scala
> There are three methods with silent: Boolean = false as parameter.
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