Hi,

I'm receiving this error and due to which I'm not able to run my job. Any
help is greatly appreciated. Thanks.

On Tue, Dec 12, 2017 at 10:21 AM, Navneeth Krishnan <
reachnavnee...@gmail.com> wrote:

> Hi,
>
> I have a kafka source and sink in my pipeline and when I start my job I
> get this error and the job goes to failed state. I checked the kafka node
> and everything looks good. Any suggestion on what is happening here? Thanks.
>
> java.lang.Exception: Failed to send data to Kafka: The server disconnected 
> before a response was received.
>       at 
> org.apache.flink.streaming.connectors.kafka.FlinkKafkaProducerBase.checkErroneous(FlinkKafkaProducerBase.java:373)
>       at 
> org.apache.flink.streaming.connectors.kafka.FlinkKafkaProducer010.invokeInternal(FlinkKafkaProducer010.java:302)
>       at 
> org.apache.flink.streaming.connectors.kafka.FlinkKafkaProducer010.processElement(FlinkKafkaProducer010.java:421)
>       at 
> org.apache.flink.streaming.runtime.tasks.OperatorChain$ChainingOutput.pushToOperator(OperatorChain.java:443)
>       at 
> org.apache.flink.streaming.runtime.tasks.OperatorChain$ChainingOutput.collect(OperatorChain.java:420)
>       at 
> org.apache.flink.streaming.runtime.tasks.OperatorChain$ChainingOutput.collect(OperatorChain.java:394)
>       at 
> org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingBroadcastingOutputCollector.collect(OperatorChain.java:612)
>       at 
> org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingBroadcastingOutputCollector.collect(OperatorChain.java:598)
>       at 
> org.apache.flink.streaming.api.operators.AbstractStreamOperator$CountingOutput.collect(AbstractStreamOperator.java:891)
>       at 
> org.apache.flink.streaming.api.operators.AbstractStreamOperator$CountingOutput.collect(AbstractStreamOperator.java:869)
>       at 
> org.apache.flink.streaming.api.operators.TimestampedCollector.collect(TimestampedCollector.java:51)
>       at com.transformations.MyProcessor.flatMap(MyProcessor.java:115)
>       at com.transformations.MyProcessor.flatMap(MyProcessor.java:47)
>       at 
> org.apache.flink.streaming.api.operators.StreamFlatMap.processElement(StreamFlatMap.java:50)
>       at 
> org.apache.flink.streaming.runtime.io.StreamInputProcessor.processInput(StreamInputProcessor.java:206)
>       at 
> org.apache.flink.streaming.runtime.tasks.OneInputStreamTask.run(OneInputStreamTask.java:69)
>       at 
> org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:263)
>       at org.apache.flink.runtime.taskmanager.Task.run(Task.java:702)
>       at java.lang.Thread.run(Thread.java:748)
>
>

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