javax.validation.ConstraintDeclarationException: HV000132: Void methods must not be constrained or marked for cascaded validation, but method public void org.hibernate.validator.test.internal.constraintvalidators.ScriptAssertValidatorTest$CalendarService.createCalendarEvent(java.lang.String,java.util.Date,java.util.Date) is.
at org.hibernate.validator.internal.metadata.aggregated.ExecutableMetaData$Builder.checkReturnValueConfiguration(ExecutableMetaData.java:479)
at org.hibernate.validator.internal.metadata.aggregated.ExecutableMetaData$Builder.build(ExecutableMetaData.java:362)
at org.hibernate.validator.internal.metadata.aggregated.BeanMetaDataImpl$BuilderDelegate.build(BeanMetaDataImpl.java:601)
at org.hibernate.validator.internal.metadata.aggregated.BeanMetaDataImpl$BeanMetaDataBuilder.build(BeanMetaDataImpl.java:508)
at org.hibernate.validator.internal.metadata.BeanMetaDataManager.createBeanMetaData(BeanMetaDataManager.java:182)