# Using Json Value\_format in KsqlDB I can see the topic messages null in stream

**URL:** https://forum.confluent.io/t/using-json-value-format-in-ksqldb-i-can-see-the-topic-messages-null-in-stream/38096
**Category:** ksqlDB
**Created:** [29 August 2025 10:45 UTC](https://forum.confluent.io/t/using-json-value-format-in-ksqldb-i-can-see-the-topic-messages-null-in-stream/38096 "2025-08-29T10:45:07Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![Vidya\_Babar](https://avatars.discourse-cdn.com/v4/letter/v/c37758/32.png) [@Vidya\_Babar](https://forum.confluent.io/u/Vidya_Babar)
#### Post date: [29 August 2025 10:45 UTC](https://forum.confluent.io/t/using-json-value-format-in-ksqldb-i-can-see-the-topic-messages-null-in-stream/38096/1 "2025-08-29T10:45:07Z")

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Using Value\_format JSON in KsqlDB I can see the topic messages null in stream using JSON Schema cloud you please tell me the reason and solution.

I can see the topic messages using Value\_Format Kafka but COUNT and GROUP BY functions are not working using Kafka Schema

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### Author: ![system](https://us1.discourse-cdn.com/flex019/uploads/confluentcommunity/original/1X/c49438c90c9df282e9996fdf6971be890c71b65a.svg) [@system](https://forum.confluent.io/u/system)
#### Post date: [28 September 2025 10:45 UTC](https://forum.confluent.io/t/using-json-value-format-in-ksqldb-i-can-see-the-topic-messages-null-in-stream/38096/2 "2025-09-28T10:45:18Z")

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