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

Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via Stack Overflow by user2021147
, 1 year ago
scala.collection.mutable.HashMap cannot be cast to scala.collection.mutable.MultiMap
java.lang.ClassCastException: scala.collection.mutable.HashMap cannot be cast to scala.collection.mutable.MultiMap
at undefined.StreamingEngineSt$.trackStateFunc(StreamEngineSt.scala:395)

Users with the same issue

You are the first who have seen this exception. Write a tip to help other users and build your expert profile.

Know the solutions? Share your knowledge to help other developers to debug faster.