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java.lang.ClassCastException: java.util.ArrayList cannot be cast to org.hibernate.collection.spi.PersistentCollection	at org.hibernate.envers.entities.mapper.relation.AbstractCollectionMapper.mapModifiedFlagsToMapFromEntity(AbstractCollectionMapper.java:142)	at org.hibernate.envers.entities.mapper.MultiPropertyMapper.map(MultiPropertyMapper.java:89)	at org.hibernate.envers.synchronization.work.AddWorkUnit.(AddWorkUnit.java:49)