protobuf: Missing method "getName" when using contentTypeFormat=json in native mode

[aldettinger]

When using contentTypeFormat=json in native mode, we end up with the exception below:

: java.lang.RuntimeException: Generated message class "org.apache.camel.quarkus.component.protobuf.it.model.AddressBookProtos$Person$Builder" missing method "getName".
    at com.google.protobuf.GeneratedMessageV3.getMethodOrDie(GeneratedMessageV3.java:1847)
    at com.google.protobuf.GeneratedMessageV3.access$1000(GeneratedMessageV3.java:79)
    at com.google.protobuf.GeneratedMessageV3$FieldAccessorTable$SingularFieldAccessor$ReflectionInvoker.<init>(GeneratedMessageV3.java:2177)
    at com.google.protobuf.GeneratedMessageV3$FieldAccessorTable$SingularFieldAccessor.<init>(GeneratedMessageV3.java:2248)
    at com.google.protobuf.GeneratedMessageV3$FieldAccessorTable$SingularStringFieldAccessor.<init>(GeneratedMessageV3.java:2916)
    at com.google.protobuf.GeneratedMessageV3$FieldAccessorTable.ensureFieldAccessorsInitialized(GeneratedMessageV3.java:1977)
    at org.apache.camel.quarkus.component.protobuf.it.model.AddressBookProtos$Person.internalGetFieldAccessorTable(AddressBookProtos.java:262)
    at com.google.protobuf.GeneratedMessageV3.getDescriptorForType(GeneratedMessageV3.java:133)
    at com.google.protobuf.util.JsonFormat$PrinterImpl.print(JsonFormat.java:764)
    at com.google.protobuf.util.JsonFormat$Printer.appendTo(JsonFormat.java:372)
    at com.google.protobuf.util.JsonFormat$Printer.print(JsonFormat.java:382)
    at org.apache.camel.dataformat.protobuf.ProtobufDataFormat.marshal(ProtobufDataFormat.java:138)
    at org.apache.camel.support.processor.MarshalProcessor.process(MarshalProcessor.java:64)
    at org.apache.camel.processor.errorhandler.RedeliveryErrorHandler$SimpleTask.run(RedeliveryErrorHandler.java:469)
    at org.apache.camel.impl.engine.DefaultReactiveExecutor$Worker.schedule(DefaultReactiveExecutor.java:187)
    at org.apache.camel.impl.engine.DefaultReactiveExecutor.scheduleMain(DefaultReactiveExecutor.java:64)
    at org.apache.camel.processor.Pipeline.process(Pipeline.java:184)
    at org.apache.camel.impl.engine.CamelInternalProcessor.process(CamelInternalProcessor.java:398)
    at org.apache.camel.component.direct.DirectProducer.process(DirectProducer.java:96)
    at org.apache.camel.impl.engine.SharedCamelInternalProcessor.process(SharedCamelInternalProcessor.java:217)
    at org.apache.camel.impl.engine.SharedCamelInternalProcessor$1.process(SharedCamelInternalProcessor.java:111)
    at org.apache.camel.impl.engine.DefaultAsyncProcessorAwaitManager.process(DefaultAsyncProcessorAwaitManager.java:83)
    at org.apache.camel.impl.engine.SharedCamelInternalProcessor.process(SharedCamelInternalProcessor.java:108)
    at org.apache.camel.support.cache.DefaultProducerCache.send(DefaultProducerCache.java:190)
    at org.apache.camel.impl.engine.DefaultProducerTemplate.send(DefaultProducerTemplate.java:176)
    at org.apache.camel.impl.engine.DefaultProducerTemplate.send(DefaultProducerTemplate.java:172)
    at org.apache.camel.impl.engine.DefaultProducerTemplate.requestBody(DefaultProducerTemplate.java:413)
    at org.apache.camel.quarkus.component.protobuf.it.ProtobufResource.jsonProtobufMarshal(ProtobufResource.java:67)
    at org.apache.camel.quarkus.component.protobuf.it.ProtobufResource_ClientProxy.jsonProtobufMarshal(Unknown Source)
    at java.lang.reflect.Method.invoke(Method.java:566)
    at org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:170)
    at org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:130)
    at org.jboss.resteasy.core.ResourceMethodInvoker.internalInvokeOnTarget(ResourceMethodInvoker.java:660)