Hi, I think the problem is the SerializationSchema parameter.
Best, QIngxiang Ma. 2018-04-26 20:59 GMT+08:00 Alexander Smirnov <alexander.smirn...@gmail.com>: > Hi, > > > I'm creating kafka producer with timestamps enabled following instructions at > https://ci.apache.org/projects/flink/flink-docs-release-1.4/dev/connectors/kafka.html#kafka-producer > > > Optional<FlinkKafkaPartitioner<T>> customPartitioner = > Optional.empty(); > > FlinkKafkaProducer011<T> result = new > FlinkKafkaProducer011<>(defaultTopic, serializationSchema, properties, > customPartitioner); > > result.setWriteTimestampToKafka(true); > > > > but getting an exception: > > > java.lang.IllegalArgumentException: Invalid timestamp: -1. Timestamp should > always be non-negative or null. > at > org.apache.kafka.clients.producer.ProducerRecord.<init>(ProducerRecord.java:70) > at > org.apache.kafka.clients.producer.ProducerRecord.<init>(ProducerRecord.java:93) > at > org.apache.flink.streaming.connectors.kafka.FlinkKafkaProducer011.invoke(FlinkKafkaProducer011.java:642) > at > org.apache.flink.streaming.connectors.kafka.FlinkKafkaProducer011.invoke(FlinkKafkaProducer011.java:93) > at > org.apache.flink.streaming.api.functions.sink.TwoPhaseCommitSinkFunction.invoke(TwoPhaseCommitSinkFunction.java:219) > at > org.apache.flink.streaming.api.operators.StreamSink.processElement(StreamSink.java:56) > at > org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.pushToOperator(OperatorChain.java:549) > at > org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.collect(OperatorChain.java:524) > at > org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.collect(OperatorChain.java:504) > at > org.apache.flink.streaming.api.operators.AbstractStreamOperator$CountingOutput.collect(AbstractStreamOperator.java:830) > at > org.apache.flink.streaming.api.operators.AbstractStreamOperator$CountingOutput.collect(AbstractStreamOperator.java:808) > at > org.apache.flink.streaming.api.operators.TimestampedCollector.collect(TimestampedCollector.java:51) > > > > > Is there anything else I need to configure to embed timestamp information > into resulting kafka message? > > > Thank you, > > Alex > >
