java.lang.ClassCastException: scala.collection.mutable.HashMap cannot be cast to scala.collection.mutable.MultiMap

Stack Overflow | user2021147 | 6 months ago
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    scala.collection.mutable.HashMap cannot be cast to scala.collection.mutable.MultiMap

    Stack Overflow | 6 months ago | user2021147
    java.lang.ClassCastException: scala.collection.mutable.HashMap cannot be cast to scala.collection.mutable.MultiMap

    Root Cause Analysis

    1. java.lang.ClassCastException

      scala.collection.mutable.HashMap cannot be cast to scala.collection.mutable.MultiMap

      at StreamingEngineSt$.trackStateFunc()
    2. Unknown
      StreamingEngineSt$.trackStateFunc
      1. StreamingEngineSt$.trackStateFunc(StreamEngineSt.scala:395)
      1 frame