hi, I guess this would mean a deserialisation error, meaning he data you're trying to read, is not as expected by the Confluent Avro deserializer.
https://www.youtube.com/watch?v=GWBk9LIzy-A <https://www.youtube.com/watch?v=GWBk9LIzy-A> > On 29 Dec 2022, at 16:47, Дмитрий Лушников <lushnikov.dmi...@gmail.com> wrote: > > Anders, maybe you can help me? > MirrorMaker 2 stops transfer messages after setting up Schema Registry > Transfer SMT. > > The logs show these errors: > > Caused by: org.apache.kafka.common.errors.SerializationException: > Unknown magic byte! > > Caused by: > cricket.jmoore.confluent.kafka.schemaregistry.client.rest.exceptions.RestClientException: > Schema 1 not found; error code: 40403 > > I can’t figure out what to do with the *magic byte* and who needed *Schema > 1*? > > https://stackoverflow.com/questions/74952744/mirrormaker-2-stops-transfer-messages-after-setting-up-schema-registry-transfer
