Axon5 comes with an external module for use of postgresql as an eventstore, supporting Dynamic Consistency Boundaries, provided here. However, latest version of the module provided, version 0.1.0, is not compatible with Axon 5.0.2. For example, the PostgresqlEventStorageEngine expects a org.axonframework.eventhandling.conversion.EventConverter
but axon 5 provides a org.axonframework.messaging.eventhandling.conversion.EventConverter
The PostgresQL module seems to depend on axon 5.0.0.preview