Oracle JDBC driver brings some GraalVM native-image configuration that breaks the serialization support in Camel Quarkus and Quarkus in general.
See this https://github.com/quarkusio/quarkus/issues/20396[quarkus issue] for more details.

xref:{cq-camel-components}::sql-component.adoc#_using_the_jdbc_based_aggregation_repository[Aggregation repository] does not work in native mode with Oracle db, because of this issue.