I wanted to have some entity members in my aggregate to be of a generic type. When I tried to run my code, Axon Framework complained that it was not able to cast the object to a Class object.
The code that did not work was:
@AggregateMember(eventForwardingMode = ForwardMatchingInstances::class) val fields: MutableMap<String, PoolFieldEntity<*>> = mutableMapOf()
The error message returned was the following:
Caused by: java.lang.ClassCastException: class sun.reflect.generics.reflectiveObjects.ParameterizedTypeImpl cannot be cast to class java.lang.Class (sun.reflect.generics.reflectiveObjects.ParameterizedTypeImpl and java.lang.Class are in module java.base of loader 'bootstrap') at org.axonframework.common.ReflectionUtils.resolveMemberGenericType(ReflectionUtils.java:356) ~[axon-messaging-4.4.3.jar:4.4.3]
Did I do something wrong or is my intention generally a bad way to solve the problem?
Thank you very much for your help in advance.