Github user harshach commented on the issue: https://github.com/apache/storm/pull/1757 @hmcl merged into master but can't cherry-pick into storm-1.x. Here is the error I am getting [ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.1:compile (default-compile) on project storm-kafka-examples: Compilation failure [ERROR] /Users/harsha/code/apache/storm/examples/storm-kafka-examples/src/main/java/org/apache/storm/kafka/trident/KafkaProducerTopology.java:[47,41] incompatible types: org.apache.storm.kafka.bolt.mapper.FieldNameBasedTupleToKafkaMapper<java.lang.Object,java.lang.Object> cannot be converted to org.apache.storm.kafka.bolt.mapper.TupleToKafkaMapper<java.lang.String,java.lang.String> [ERROR] -> [Help 1] can you fix this and open a new PR for 1.x-branch
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