Eric Liang 1018be44d6 [SPARK-23971] Should not leak Spark sessions across test suites ... ## What changes were proposed in this pull request? Many suites currently leak Spark sessions (sometimes with stopped SparkContexts) via the thread-local active Spark session and default Spark session. We should attempt to clean these up and detect when this happens to improve the reproducibility of tests. ## How was this patch tested? Existing tests Author: Eric Liang <ekl@databricks.com> Closes #21058 from ericl/clear-session.		2018-04-12 22:30:59 -07:00
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src	[SPARK-23971] Should not leak Spark sessions across test suites	2018-04-12 22:30:59 -07:00
pom.xml	[SPARK-23028] Bump master branch version to 2.4.0-SNAPSHOT	2018-01-13 00:37:59 +08:00