I just wrote an answer for this on Stackoverflow:
The problem is in this function:
@Override
public TypeInformation<TemperatureWarning> getProducedType() {
// TODO Auto-generated method stub
return null;
}
you cannot return null here.
On Thu, 2 Jun 2016 at 17:57 Akshay Thaka Shingote <
[hidden email]>
wrote:
> Hello,
>
> Can anyone help with this issue
>
http://stackoverflow.com/questions/37568822/flink-kafka-consumer-throws-null-pointer-exception-when-using-datastream-key-by> ...I have stucked here & I haven't got any
> Solution to solve this issue
>
>
> Regards,
> Akshay Shingote
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