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 <akshay.shing...@yash.com>
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
> Information transmitted by this e-mail is proprietary to YASH Technologies
> and/ or its Customers and is intended for use only by the individual or
> entity to which it is addressed, and may contain information that is
> privileged, confidential or exempt from disclosure under applicable law. If
> you are not the intended recipient or it appears that this mail has been
> forwarded to you without proper authority, you are notified that any use or
> dissemination of this information in any manner is strictly prohibited. In
> such cases, please notify us immediately at i...@yash.com and delete this
> mail from your records.
>
