Github user echarles commented on the issue: https://github.com/apache/zeppelin/pull/980 Dealing with mixed scala 2.10/2.11 and spark 1.x/2.x with a same implementation is always possible but drives to code plenty of method invocation (see e.g. https://github.com/lresende/incubator-zeppelin/pull/1/files#diff-dbda0c4083ad9c59ff05f0273b5e760fR216). At the end, you have an implementation which a succession of if (...) then invokeMethod... On the other hand, having multiple implementations drives to maintenance overhead and a risk of divergence. In this particular case, I was thinking that having 2 lines was something worth to discuss: 1.- Spark 1.x on scala 2.10 2.- Spark 2.x on scala 2.11 I also don't see why we should still support the DepInterpreter in future developments (normally, deps should be configured via the interperter settings). Also, the 2 lines approach would make easier other evolutions such as for example having a ZeppelinContext available for all interpreters. Also, we have kind-off already more than one spark impementation: The Livy one has its own implementation and features.
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