Similar to #690

One problem with this is that AVDL record schemas cannot have hyphens, so using TopicNameStrategy registration isn't possible

@OneCricketeer not sure if I got you right, but after downloading I got a bunch of TopicA-key.avcs, TopicA-value.avcs files, so not sure about AVDL files but, if starting from scratch everything should work fine.

IDL files generate AVSC and can more easily be used for cross-referenced schemas with import support and composition

https://avro.apache.org/docs/current/idl.html

I'm talking about compilation / resource processing via the Avro Maven plugin, not related to the Registry

Using TopicRecordNameStrategy the list of subject-schema mapping is not just long but also unreadable.

<schemaTypes>
     <my-topic-com.mycompany.avro.schemas.test.Event1>AVRO</my-topic-com.mycompany.avro.schemas.test.Event1>
     <my-topic-com.mycompany.avro.schemas.test.Event2>AVRO</my-topic-com.mycompany.avro.schemas.test.Event2>
</schemaTypes>

It would also be nice to have a schemaType like AVRO-IDL to check schema compatibility from idl files.
There is no official maven plugin to convert from avdl files to avsc.
The avro-maven-plugin with goal idl-protocol lets you generate classes directly from avdl files. With this setup you don't have avsc files in the project.

Given these two limitations (long mapping list and lack of avdl support) I think this plugin is unusable in a production environment.

Please tell me if I am missing something.

The idl-protocol goal does create AVSC files.

In the past, we used it with the exec plugin to define a class and maven goal that iterates over AVDL or AVSC and registers them to the registry

Can you please tell me where are the AVSC files generated by the idl-protocol goal? I can only see classes under target/generated-sources/avro/classes

Maybe the exec plugin was getting the schemas from the classes? The json string is present in a static variable of generated classes.

Well within each class, there's a static SCHEMA$ field that has that information.

But this is what I was referring to http://www.virtualroadside.com/blog/index.php/2014/06/08/automatically-generating-avro-schemata-avsc-files-using-maven/

I already read that blog post. They generate avsc files with maven-exec and Avro tools library, not using the idl-protocol goal of the avro-maven-plugin.

Does that matter? I just couldn't remember which plugins we used. Based on what I have posted, I think we used the exec plugin followed by the avro plugin's schema goal to generate classes, then you can also use Schema Registry maven plugin to register those AVSC as well