[GitHub] [pulsar] BewareMyPower commented on issue #20022: [Bug] Pulsar Client ignores producer schema

["BewareMyPower (via GitHub)" <gi...@apache.org>]

BewareMyPower commented on issue #20022:
URL: https://github.com/apache/pulsar/issues/20022#issuecomment-1508004715

   > In the failed message produce, the data -m '{"family" : "genus" }' should have been rejected, 
   
   The schema validation only happens when the producer connects to the broker. When the producer sends a message with wrong format, the message could still be sent successfully. If you want to validate the schema when sending messages, you should create an `AUTO_PRODUCE` producer. See https://pulsar.apache.org/docs/2.11.x/schema-understand/#auto-schema
   
   It seems that the Pulsar CLI cannot create an `AUTO_PRODUCE` producer currently.
   
   BTW, `isSchemaValidationEnforced` only enforces the schema validation for bytes producer. i.e. a bytes producer cannot connect to a topic that already has schema, if users want to send messages via raw bytes, they have to create an `AUTO_PRODUCE` producer.


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