Github user asfgit closed the pull request at:
https://github.com/apache/spark/pull/13550
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GitHub user marymwu opened a pull request:
https://github.com/apache/spark/pull/13550
SPARK-15755
JIRA Issue: https://issues.apache.org/jira/browse/SPARK-15755
java.lang.NullPointerException when run spark 2.0 setting
