Sean Owen created SPARK-14347:
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Summary: Require Java 8 for Spark 2.x
Key: SPARK-14347
URL: https://issues.apache.org/jira/browse/SPARK-14347
Project: Spark
Issue Type: Task
Components: MLlib, Spark Core, SQL, Streaming
Affects Versions: 2.0.0
Reporter: Sean Owen
Putting this down as a JIRA to advance the discussion -- I think this is far
enough along to consensus for that.
The change here is to require Java 8. This means:
- Require Java 8 in the build
- Only build and test with Java 8, removing other older Jenkins configs
- Remove MaxPermSize
- Remove reflection to use Java 8-only methods
- Move external/java8-tests to core/streaming and remove profile
And optionally:
- Update all Java 8 code to take advantage of 8+ features, like lambdas, for
simplification
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