Tzu-Li (Gordon) Tai wrote
> Basically, when two operators are chained together, the output of the
> first operator is immediately chained to the processElement of the next
> operator; it’s therefore just a consecutive invocation of processElements
> on the chained operators. There will be no thread
Hi,
Tzu-Li (Gordon) Tai wrote
> These seems odd. Are your events intended to be a list? If not, this
> should be a `DataStream
>
> `.
>
> From the code snippet you’ve attached in the first post, it seems like
> you’ve initialized your source incorrectly.
>
> `env.fromElements(List<...>)` will
Tzu-Li (Gordon) Tai wrote
> It seems like you’ve misunderstood how to use the FlinkKafkaProducer, or
> is there any specific reason why you want to emit elements to Kafka in a
> map function?
>
> The correct way to use it is to add it as a sink function to your
> pipeline, i.e.
>
> DataStream
>
I'm getting a NullPointerException when calling
KakfaProducer010.processElement(StreamRecord). Specifically, this comes
from its helper function invokeInternally(), and the function's
internalProducer not being configured properly, resulting in passing a null
value to one its helper functions.
We'
