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[SPARK-16950] [PYSPARK] fromOffsets parameter support in KafkaUtils.createDirectStream for python3
## What changes were proposed in this pull request? Ability to use KafkaUtils.createDirectStream with starting offsets in python 3 by using java.lang.Number instead of Long during param mapping in scala helper. This allows py4j to pass Integer or Long to the map and resolves ClassCastException problems. ## How was this patch tested? unit tests jerryshao - could you please look at this PR? Author: Mariusz Strzelecki <mariusz.strzelecki@allegrogroup.com> Closes #14540 from szczeles/kafka_pyspark.
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- external/kafka-0-8/src/main/scala/org/apache/spark/streaming/kafka/KafkaUtils.scala 4 additions, 4 deletions...n/scala/org/apache/spark/streaming/kafka/KafkaUtils.scala
- python/pyspark/streaming/kafka.py 3 additions, 0 deletionspython/pyspark/streaming/kafka.py
- python/pyspark/streaming/tests.py 3 additions, 9 deletionspython/pyspark/streaming/tests.py
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