Message Title

This was originally reported to as a bug to my project, but I think that this is something that has to be resolved in Hibernate itself.

CacheKeyImplementation implements Serializable, but cache keys for some types have fields that are not serializable. See the following stacktrace:

Caused by: org.hibernate.cache.CacheException: com.esotericsoftware.kryo.KryoException: java.lang.reflect.InaccessibleObjectException: Unable to make field private transient volatile boolean java.lang.reflect.Executable.hasRealParameterData accessible: module java.base does not "opens java.lang.reflect" to unnamed module @2c13da15
Serialization trace:
getterMethod (org.hibernate.property.access.spi.GetterFieldImpl)
getters (org.hibernate.tuple.component.PojoComponentTuplizer)
componentTuplizer (org.hibernate.type.EmbeddedComponentType)
type (org.hibernate.cache.internal.CacheKeyImplementation)
        at org.redisson.hibernate.RedissonStorage.evictData(RedissonStorage.java:183)
        at org.hibernate.cache.spi.support.StorageAccess.removeFromCache(StorageAccess.java:35)
        at org.hibernate.cache.spi.support.AbstractCachedDomainDataAccess.remove(AbstractCachedDomainDataAccess.java:91)        at org.hibernate.action.internal.CollectionAction.evict(CollectionAction.java:140)
        at org.hibernate.action.internal.CollectionRecreateAction.execute(CollectionRecreateAction.java:52)
        at org.hibernate.engine.spi.ActionQueue.executeActions(ActionQueue.java:604)
        at org.hibernate.engine.spi.ActionQueue.lambda$executeActions$1(ActionQueue.java:478)
        at org.hibernate.engine.spi.ActionQueue.executeActions(ActionQueue.java:475)
        at org.hibernate.event.internal.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:344)
        at org.hibernate.event.internal.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:40)
        at org.hibernate.event.service.internal.EventListenerGroupImpl.fireEventOnEachListener(EventListenerGroupImpl.java:107)
        at org.hibernate.internal.SessionImpl.doFlush(SessionImpl.java:1407)
        ... 4 more

Cache keys for org.hibernate.type.EmbeddedComponentType contain a reference to java.lang.reflect.Field via org.hibernate.tuple.component.PojoComponentTuplizer.

This issue has been resolved in Hibernate 6 where cache keys no longer reference the type itself, but the disassembled state of the type.

Does it make sense to backport the changes from to cache keys from Hibernate 6 to 5?