Mark Grover created SPARK-20066:
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Summary: Add explicit SecurityManager(SparkConf) constructor for
backwards compatibility with Java
Key: SPARK-20066
URL: https://issues.apache.org/jira/browse/SPARK-20066
Project: Spark
Issue Type: Bug
Components: Spark Core
Affects Versions: 2.1.1, 2.2.0
Reporter: Mark Grover
SPARK-19520 added an optional argument (ioEncryptionKey) to Security Manager
class. And, it has a default value, so life is great.
However, that's not enough when invoking the class from Java. We didn't see
this before because the SecurityManager class is private to the spark package
and all the code that uses it is Scala.
However, I have some code that was extending it, in Java, and that code breaks
because Java can't access that default value (more details
[here|http://stackoverflow.com/questions/13059528/instantiate-a-scala-class-from-java-and-use-the-default-parameters-of-the-const]).
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