[SPARK-25956] Make Scala 2.12 as default Scala version in Spark 3.0

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.4.0
• Fix Version/s: 3.0.0
• Component/s: Build
• Target Version/s: 3.0.0
• Assignee: DB Tsai
• Reporter: DB Tsai
• Created: 06/Nov/18 21:36
• Updated: 15/Nov/18 00:23
• Resolved: 15/Nov/18 00:23

Description

Scala 2.11 will unlikely support Java 11 https://github.com/scala/scala-dev/issues/559#issuecomment-436160166; hence, we will make Scala 2.12 as default Scala version in Spark 3.0 

Issue Links

• links to: [Github] Pull Request #22967 (dbtsai)
• links to: [Github] Pull Request #22967 (dbtsai)