java.lang.IllegalArgumentException

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    • java.lang.IllegalArgumentException: The type [null] is not the expected [EntityType] for the key class [class entity.MyClass]. at org.eclipse.persistence.internal.jpa.metamodel.MetamodelImpl.entity(MetamodelImpl.java:152) at org.eclipse.persistence.internal.jpa.querydef.AbstractQueryImpl.from(AbstractQueryImpl.java:97) at controller.MyClassJpaController.findMyClassEntities(MyClassJpaController.java:104)

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