Gabor Somogyi 3628242bd0 [MINOR][DSTREAMS] Add DStreamCheckpointData.cleanup warning if delete returns false ... ## What changes were proposed in this pull request? While I was reviewing #24235 I've found a minor addition possibility. Namely `FileSystem.delete` returns a boolean which is not yet checked. In this PR I've added a warning message when it returns false. I've added this as MINOR because no control flow change introduced. ## How was this patch tested? Existing unit tests. Closes #24263 from gaborgsomogyi/SPARK-27301-minor. Authored-by: Gabor Somogyi <gabor.g.somogyi@gmail.com> Signed-off-by: Sean Owen <sean.owen@databricks.com>		2019-04-02 18:34:40 -05:00
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src	[MINOR][DSTREAMS] Add DStreamCheckpointData.cleanup warning if delete returns false	2019-04-02 18:34:40 -05:00
pom.xml	[SPARK-25956] Make Scala 2.12 as default Scala version in Spark 3.0	2018-11-14 16:22:23 -08:00