Github user JoshRosen commented on a diff in the pull request:
https://github.com/apache/spark/pull/9512#discussion_r44464743
--- Diff: project/SparkBuild.scala ---
@@ -560,6 +570,14 @@ object Unidoc {
)
}
+object Java8TestSettings {
+ import BuildCommons._
+
+ lazy val settings = Seq(
+ compilerJVMVersion := "1.8"
--- End diff --
Subtlety: this setting will break the `java8` tests when running on Scala
2.10.x, which does not support the emission of Java 8 bytecode. For this
reason, we need separate settings for configuring the scalc and javac target
JVM versions and need to only set scalac to 1.8 when running Scala 2.11.4 or
higher.
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