Github user rezazadeh commented on the pull request:
https://github.com/apache/spark/pull/964#issuecomment-45423737
@vrilleup I think the binary compatibility issue is because of the change
in method signature. Even though you have a default argument it changes the
interface. Try adding another method with the original interface that calls
your method with the default argument. The binary compatibility enforcement is
new as of Spark 1.0.
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