Kafka producer configuration for all channels is not functioning

[akhalifeh79]

As a referred in the following spring cloud documentation:
https://cloud.spring.io/spring-cloud-stream-binder-kafka/spring-cloud-stream-binder-kafka.html#kafka-producer-properties

Particularly this phrase

To avoid repetition, Spring Cloud Stream supports setting values for all channels, in the format of spring.cloud.stream.default.=.

I want to configure kafka producer for all channels using the "default" prefix but this is not functioning. I found a solution which is not respecting the official documentation, please see below the configuration the 2 configurations

correct configuration respecting documentation but not functioning

spring.cloud.stream.default.producer.sync=false
spring.cloud.stream.default.producer.batchTimeout=60000
spring.cloud.stream.default.producer.compression=gzip

functioning configuration but not respecting documentation

spring.cloud.stream.kafka.default.producer.sync=false
spring.cloud.stream.kafka.default.producer.batchTimeout=60000
spring.cloud.stream.kafka.default.producer.compression=gzip

Please confirm that the second configuration is correct and in this case update the official documentation.

I'm using the last version of spring cloud
<spring-cloud.version>2023.0.0</spring-cloud.version>

Thanks

[sobychacko]

@akhalifeh79 Yes, that is a documentation mix-up. Are you open to fixing it by sending a PR?

[sobychacko]

@akhalifeh79 The docs you linked above are from very old versions. The latest documentation can be found here. We made some adjustments to the snapshot docs to clarify the issues with the default properties on the Kafka bindings.