yuvalgut opened a new issue #9935:
URL: https://github.com/apache/pulsar/issues/9935
**Describe the bug**
when using an auto consume schema together with dead letter policy, the dead
letter producer fails to start with this exception:
ConsumerImpl - Create dead letter producer exception with topic:
deadLetterTopic
org.apache.pulsar.client.api.PulsarClientException$InvalidConfigurationException:
AutoConsumeSchema is only used by consumers to detect schemas automatically
**To Reproduce**
Steps to reproduce the behavior:
1. create consumer with Schema.AUTO_CONSUME with dead letter policy
2. do negative acks
3. when retries exceeds, the exception appears.
**Expected behavior**
the producer should use the record/topic schema of the message
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