Error in Kafka multi topic writer when keyFieldName option is Some for some topics and None for others
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DavideBelvedere commented
None.get raised from it.agilelab.bigdata.wasp.consumers.spark.plugins.kafka.KafkaWriters#keyExpression when in a multi topic model there is a mix of topics, some with keyFieldName defined and some with that field as None.
Result: streaming query doesn't start