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  1. Apache NiFi
  2. NIFI-8785

AvroReader controller can't get confluent schema IDs except only the latest

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Details

    • Bug
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • 1.12.1
    • 1.15.0
    • Extensions
    • None
    • CentOS7
    • Important

    Description

      While trying to read Confluent Schema Registry Avro files(from Kafka) with different schema IDs with AvroReader controller error "could not get Schema with id: <schema id>" appears.

      NiFi version: 1.12.1
      Confluent Schema Registry version: 5.5.2

      Using the following test flow in Nifi

      ConsumeKafka_2_6 1.12.1 ---> ConvertRecord 1.12.1

      In ConvertRecord processor we are using AvroReader controller as record reader.
      AvroReader controller properties:

      • schema access strategy: confluent content-encoded schema reference
      • schema registry: Confluent Schema Registry controller¬†
      • schema name: ${schema.name} (default value)
      • schema version: no value set
      • schema branch: no value set
      • schema text: ${schema.text} (default value)
      • cash size: 1000 (default value)

      Similar issue:
      https://community.cloudera.com/t5/Support-Questions/Nifi-ConsumeKafakRecord-0-11-Throws-Error-quot-Could-not/td-p/185636 

      Attachments

        1. Kafka_Confluent_Schema_Suffering.json
          31 kB
          Arsen Tavitov
        2. nifi-app.rar
          960 kB
          Arsen Tavitov

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              pvillard Pierre Villard
              atavitov Arsen Tavitov
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