Hi,

  When using Drill (1.15) with Kafka Topics containing Json data, if the
Message Value is null, the JsonMessageReader is not able to process the row
and stop the query.

  Error: DATA_READ_ERROR: Failure while reading message from Kafka.
RecordReader was at    record 1

  null
  Fragment 1:0


When using KStreams's StateStore backed by a changelog topic, it is common
to see changelog topic with Null message value: a delete in a StateStore
generates the message <ObjectKey, null> in the changelog topic.

Is there any way to deal with Null message value when using Drill Kafka
plugin?

Thanks
Francois
p.s. Drill supports filter pushdown on message offset and message
timestamp, it is a very neat feature!

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