hi   were you able to resolve this problem?   ip-10-0-0-5.ec2.internal, executor 1): java.lang.AbstractMethodError at org.apache.spark.Logging$class.log(Logging.scala:50) at org.apache.spark.streaming.twitter.TwitterReceiver.log(TwitterInputDStream.scala:60) at org.apache.spark.Logging$class.logInfo(Logging.scala:58) at org.apache.spark.streaming.twitter.TwitterReceiver.logInfo(TwitterInputDStream.scala:60) at org.apache.spark.streaming.twitter.TwitterReceiver.onStart(TwitterInputDStream.scala:96) at org.apache.spark.streaming.receiver.ReceiverSupervisor.startReceiver(ReceiverSupervisor.s  ... View more