Jungtaek Lim (HeartSaVioR) b62ef8f793 [SPARK-29007][STREAMING][MLLIB][TESTS] Enforce not leaking SparkContext in tests which creates new StreamingContext with new SparkContext ... ### What changes were proposed in this pull request? This patch enforces tests to prevent leaking newly created SparkContext while is created via initializing StreamingContext. Leaking SparkContext in test would make most of following tests being failed as well, so this patch applies defensive programming, trying its best to ensure SparkContext is cleaned up. ### Why are the changes needed? We got some case in CI build where SparkContext is being leaked and other tests are affected by leaked SparkContext. Ideally we should isolate the environment among tests if possible. ### Does this PR introduce any user-facing change? No. ### How was this patch tested? Modified UTs. Closes #25709 from HeartSaVioR/SPARK-29007. Authored-by: Jungtaek Lim (HeartSaVioR) <kabhwan@gmail.com> Signed-off-by: Marcelo Vanzin <vanzin@cloudera.com>		2019-09-11 10:29:13 -07:00
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src	[SPARK-29007][STREAMING][MLLIB][TESTS] Enforce not leaking SparkContext in tests which creates new StreamingContext with new SparkContext	2019-09-11 10:29:13 -07:00
pom.xml	[SPARK-25956] Make Scala 2.12 as default Scala version in Spark 3.0	2018-11-14 16:22:23 -08:00