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https://issues.apache.org/jira/browse/FLINK-19695?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated FLINK-19695:
-----------------------------------
Labels: pull-request-available (was: )
> Writing Table with RowTime Column of type TIMESTAMP(3) to Kafka fails with
> ClassCastException
> ---------------------------------------------------------------------------------------------
>
> Key: FLINK-19695
> URL: https://issues.apache.org/jira/browse/FLINK-19695
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / Planner
> Affects Versions: 1.12.0, 1.11.2
> Reporter: Konstantin Knauf
> Priority: Critical
> Labels: pull-request-available
>
> When I try to write a table to Kafka (JSON format) that has a rowtime
> attribute of type TIMESTAMP(3) the job fails with
> {noformat}
> 2020-10-18 18:02:08
> java.lang.ClassCastException: org.apache.flink.table.data.TimestampData
> cannot be cast to java.lang.Long
> at
> org.apache.flink.table.data.GenericRowData.getLong(GenericRowData.java:154)
> at
> org.apache.flink.table.runtime.operators.sink.SinkOperator$SimpleContext.timestamp(SinkOperator.java:144)
> at
> org.apache.flink.streaming.connectors.kafka.FlinkKafkaProducer.invoke(FlinkKafkaProducer.java:866)
> at
> org.apache.flink.streaming.connectors.kafka.FlinkKafkaProducer.invoke(FlinkKafkaProducer.java:99)
> at
> org.apache.flink.streaming.api.functions.sink.TwoPhaseCommitSinkFunction.invoke(TwoPhaseCommitSinkFunction.java:235)
> at
> org.apache.flink.table.runtime.operators.sink.SinkOperator.processElement(SinkOperator.java:86)
> at
> org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.pushToOperator(OperatorChain.java:717)
> at
> org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.collect(OperatorChain.java:692)
> at
> org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.collect(OperatorChain.java:672)
> at
> org.apache.flink.streaming.api.operators.CountingOutput.collect(CountingOutput.java:52)
> at
> org.apache.flink.streaming.api.operators.CountingOutput.collect(CountingOutput.java:30)
> at
> org.apache.flink.table.runtime.operators.wmassigners.WatermarkAssignerOperator.processElement(WatermarkAssignerOperator.java:123)
> at
> org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.pushToOperator(OperatorChain.java:717)
> at
> org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.collect(OperatorChain.java:692)
> at
> org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.collect(OperatorChain.java:672)
> at
> org.apache.flink.streaming.api.operators.CountingOutput.collect(CountingOutput.java:52)
> at
> org.apache.flink.streaming.api.operators.CountingOutput.collect(CountingOutput.java:30)
> at
> org.apache.flink.streaming.api.operators.StreamSourceContexts$NonTimestampContext.collect(StreamSourceContexts.java:104)
> at
> org.apache.flink.streaming.api.operators.StreamSourceContexts$NonTimestampContext.collectWithTimestamp(StreamSourceContexts.java:111)
> at
> org.apache.flink.streaming.connectors.kafka.internals.AbstractFetcher.emitRecordsWithTimestamps(AbstractFetcher.java:352)
> at
> org.apache.flink.streaming.connectors.kafka.internal.KafkaFetcher.partitionConsumerRecordsHandler(KafkaFetcher.java:185)
> at
> org.apache.flink.streaming.connectors.kafka.internal.KafkaFetcher.runFetchLoop(KafkaFetcher.java:141)
> at
> org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumerBase.run(FlinkKafkaConsumerBase.java:755)
> at
> org.apache.flink.streaming.api.operators.StreamSource.run(StreamSource.java:100)
> at
> org.apache.flink.streaming.api.operators.StreamSource.run(StreamSource.java:63)
> at
> org.apache.flink.streaming.runtime.tasks.SourceStreamTask$LegacySourceFunctionThread.run(SourceStreamTask.java:213)
> {noformat}
> From looking at the relevant code in SinkOperator$SimpleContext#timestamp it
> seems that we can only deal with long type timestamps in SinkOperator?!
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