This SO post is pretty much the exact same issue: https://stackoverflow.com/questions/59962680/spark-structured-streaming-error-while-sending-aggregated-result-to-kafka-topic
The user mentions it's an issue with org.apache.spark:spark-sql-kafka-0-10_2.11:2.4.4 -- Sent from: http://apache-spark-user-list.1001560.n3.nabble.com/ --------------------------------------------------------------------- To unsubscribe e-mail: user-unsubscr...@spark.apache.org