org.apache.kafka.common.config.ConfigException: Please specify a key serde or set one through StreamsConfig#DEFAULT_KEY_SERDE_CLASS_CONFIG
Problem
Kafka Streams application fails and stops with error of "org.apache.kafka.common.config.ConfigException: Please specify a key serde or set one through StreamsConfig#DEFAULT_KEY_SERDE_CLASS_CONFIG".
ERROR stream-client [fav-color-stream-0c5393...
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