Override Scala version for sbt 1.4.x #98
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Problem ------- During sbt 1.4.x series util-interface incorrectly depended on scala-library. Specifically for util-interface 1.4.0, 1.4.1, and 1.4.2, this was Scala 2.13. Ivy seemed to be ok with this, but Coursier evicts Scala 2.12 and resolves to 2.13, which creating a confusing `java.lang.NoClassDefFoundError: scala/Serializable` error. Solution -------- Explicitly override Scala version for sbt 1.4.x to Scala 2.12.12.
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Fixes sbt/sbt#6587
Problem
During sbt 1.4.x series util-interface incorrectly depended on
scala-library. Specifically for util-interface 1.4.0, 1.4.1, and 1.4.2,
this was Scala 2.13. Ivy seemed to be ok with this, but Coursier evicts
Scala 2.12 and resolves to 2.13, which creating a confusing
java.lang.NoClassDefFoundError: scala/Serializableerror.Solution
Explicitly override Scala version for sbt 1.4.x to Scala 2.12.12.