Anyone who might have experienced this, or have a known solution? Would 
appreciate some insights here.

Sincerely,
Anindya Haldar
Oracle Responsys


> On Oct 17, 2019, at 5:38 PM, Anindya Haldar <anindya.hal...@oracle.com> wrote:
> 
> I am trying to test a 3 node Kafka cluster using the producer and consumer 
> test perf scripts that ship with the binaries. When I am trying to enable 
> transaction in the producer script it runs into errors. For example:
> 
> # bin/kafka-producer-perf-test.sh --topic testtopic1 --num-records 10000 
> --throughput -1 --record-size 256 --producer-props 
> bootstrap.servers=172.18.0.4:9092,172.18.0.5:9092,172.18.0.6:9092 acks=all 
> transactional.id=1111 enable.idempotence=true
> Exception in thread "main" java.lang.IllegalStateException: Cannot perform a 
> 'send' before completing a call to initTransactions when transactions are 
> enabled.
>       at 
> org.apache.kafka.clients.producer.internals.TransactionManager.failIfNotReadyForSend(TransactionManager.java:362)
>       at 
> org.apache.kafka.clients.producer.internals.TransactionManager.maybeAddPartitionToTransaction(TransactionManager.java:341)
>       at 
> org.apache.kafka.clients.producer.KafkaProducer.doSend(KafkaProducer.java:915)
>       at 
> org.apache.kafka.clients.producer.KafkaProducer.send(KafkaProducer.java:856)
>       at 
> org.apache.kafka.tools.ProducerPerformance.main(ProducerPerformance.java:143)
> 
> A non-transactional test succeeds though:
> 
> bin/kafka-producer-perf-test.sh --topic testtopic1 --num-records 10000 
> --throughput -1 --record-size 256 --producer-props 
> bootstrap.servers=172.18.0.4:9092,172.18.0.5:9092,172.18.0.6:9092 acks=all
> 10000 records sent, 6997.900630 records/sec (1.71 MB/sec), 112.32 ms avg 
> latency, 499.00 ms max latency, 101 ms 50th, 206 ms 95th, 213 ms 99th, 214 ms 
> 99.9th.
> 
> The version I am using is: kafka_2.12-2.3.0
> 
> Does the producer perf test script support transactions? If it does, how do 
> we run the producer with transaction support?
> 
> Sincerely,
> Anindya Haldar
> Oracle Responsys
> 

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