I was seeing similar errors before. Changing the replication to 1 for the offsets.topic.replication.factor property seemed to resolve the issue. I had only one Kafka broker. Dont see the errors now and see the hive tables come in. ... View more

@Dhamotharan P Could you let me know which simulator you were using so I can take a look at it? ... View more

@Dhamotharan P Why did the PutTCP and ListenTCP not work. Please see the attached template for working the same example using TCP connections. tcp-hl7-example.xml ... View more

Nice article - very well illustrated and explained. Wanted to try this out without Kafka and HDF and locally within NiFi. So modified the flow with GenerateFlowFile and PutFile processors. Worked great! Attached is the template - .hl7-processingexample.xml ... View more