Reynold Xin created SPARK-14358:
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Summary: Change SparkListener from a trait to an abstract class,
and remove JavaSparkListener
Key: SPARK-14358
URL: https://issues.apache.org/jira/browse/SPARK-14358
Project: Spark
Issue Type: Sub-task
Components: Scheduler, Spark Core
Reporter: Reynold Xin
Assignee: Reynold Xin
Scala traits are difficult to maintain binary compatibility on, and as a result
we had to introduce JavaSparkListener. In Spark 2.0 we can change SparkListener
from a trait to an abstract class and then remove JavaSparkListener.
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