Imran Rashid created SPARK-26349:
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Summary: Pyspark should not accept insecure p4yj gateways
Key: SPARK-26349
URL: https://issues.apache.org/jira/browse/SPARK-26349
Project: Spark
Issue Type: Improvement
Components: PySpark
Affects Versions: 3.0.0
Reporter: Imran Rashid
Pyspark normally produces a secure py4j connection between python & the jvm,
but it also lets users provide their own connection. Spark should fail fast if
that connection is insecure.
Note this is breaking a public api, which is why this is targeted at 3.0.0.
SPARK-26019 is about adding a warning, but still allowing the old behavior to
work, in 2.x
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