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https://issues.apache.org/jira/browse/SPARK-16950?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Owen updated SPARK-16950:
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Assignee: Mariusz Strzelecki
> fromOffsets parameter in Kafka's Direct Streams does not work in python3
> ------------------------------------------------------------------------
>
> Key: SPARK-16950
> URL: https://issues.apache.org/jira/browse/SPARK-16950
> Project: Spark
> Issue Type: Bug
> Components: PySpark
> Affects Versions: 2.0.0, 2.0.1, 2.1.0
> Reporter: Mariusz Strzelecki
> Assignee: Mariusz Strzelecki
> Fix For: 2.0.1, 2.1.0
>
>
> KafkaUtils.createDirectStream does not work in python3 when you set parameter
> fromOffsets (which is starting offsets of the stream on Kafka). This is
> because the {{long}} type is removed from python3 and py4j maps numeric
> variables to {{java.lang.Integer}} or {{java.lang.Long}} depending on number
> size, which causes ClassCastException for small offsets variables.
> This behaviour was noticed before and tests for this functionality are
> disabled in python3:
> https://github.com/apache/spark/blob/89e67d6667d5f8be9c6fb6c120fbcd350ae2950d/python/pyspark/streaming/tests.py#L1061
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