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Sören Henning commented on FLINK-13703:
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I'm having the same issue, which is very annoying when dealing with generated
3rd party classes. Is there any workaround when re-generating the classes or
using Avro's {{GenericRecord}} is not an option?
> AvroTypeInfo requires objects to be strict POJOs (mutable, with setters)
> ------------------------------------------------------------------------
>
> Key: FLINK-13703
> URL: https://issues.apache.org/jira/browse/FLINK-13703
> Project: Flink
> Issue Type: Improvement
> Components: Formats (JSON, Avro, Parquet, ORC, SequenceFile)
> Reporter: Alexander Fedulov
> Priority: Minor
>
> There exists an option to generate Avro sources which would represent
> immutable objects (`createSetters` option set to false)
> [\[1\]|https://github.com/commercehub-oss/gradle-avro-plugin] ,
> [\[2\]|https://avro.apache.org/docs/current/api/java/org/apache/avro/mojo/AbstractAvroMojo.html].
> Those objects still have full arguments constructors and are being correctly
> dealt with by Avro.
> `AvroTypeInfo` in Flink performs a check to verify if a Class complies to
> the strict POJO requirements (including setters) and throws an
> IllegalStateException("Expecting type to be a PojoTypeInfo") otherwise. Can
> this check be relaxed to provide better immutability support?
> +Steps to reproduce:+
> 1) Generate Avro sources from schema using `createSetters` option.
> 2) Use generated class in
> `ConfluentRegistryAvroDeserializationSchema.forSpecific(GeneratedClass.class,
> schemaRegistryUrl)`
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