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Posted to issues@spark.apache.org by "Jason White (JIRA)" <ji...@apache.org> on 2016/09/27 04:37:21 UTC

[jira] [Created] (SPARK-17679) Remove unnecessary Py4J ListConverter patch

Jason White created SPARK-17679:
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             Summary: Remove unnecessary Py4J ListConverter patch
                 Key: SPARK-17679
                 URL: https://issues.apache.org/jira/browse/SPARK-17679
             Project: Spark
          Issue Type: Bug
          Components: PySpark
    Affects Versions: 2.0.0
            Reporter: Jason White
            Priority: Minor


In SPARK-6949 davies documented a couple of bugs with Py4J that prevented Spark from registering a converter for date and datetime objects. Patched in https://github.com/apache/spark/pull/5570.

Specifically https://github.com/bartdag/py4j/issues/160 dealt with ListConverter automatically converting bytearrays into ArrayList instead of leaving it alone.

Py4J #160 has since been fixed in Py4J, since the 0.9 release a couple of months after Spark #5570. According to spark-core's pom.xml, we're using 0.10.3.

We should remove this patch on ListConverter since the upstream package no longer has this issue.



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