Error: java.lang.IllegalArgumentException: requirement failed: partitions(13).partition == 14, but it should equal 13

[tilumi]

Bug: If some partition doesn't have the data requested, will throw
``
Caused by: java.lang.IllegalArgumentException: requirement failed: partitions(13).partition == 14, but it should equal 13
at scala.Predef$.require(Predef.scala:224)
at org.apache.spark.rdd.RDD$$anonfun$partitions$2$$anonfun$apply$3.apply(RDD.scala:255)
at org.apache.spark.rdd.RDD$$anonfun$partitions$2$$anonfun$apply$3.apply(RDD.scala:254)
at scala.collection.IndexedSeqOptimized$class.foreach(IndexedSeqOptimized.scala:33)
at scala.collection.mutable.ArrayOps$ofRef.foreach(ArrayOps.scala:186)
at org.apache.spark.rdd.RDD$$anonfun$partitions$2.apply(RDD.scala:254)
at org.apache.spark.rdd.RDD$$anonfun$partitions$2.apply(RDD.scala:251)

Root Cause:
The lib filter out no-data partitions, so the number of partitions doesn't match the one in checkpoint
https://github.com/Azure/azure-event-hubs-spark/blob/f0098d8c925efbd8b8fc6e33d0bf8e88b5cd5fbb/core/src/main/scala/org/apache/spark/sql/eventhubs/EventHubsSource.scala#L402

Solution:
Should return offset range(0,0) instead of filtering out

[nyaghma]

This issue has been fixed in PR #584.