Java PersistenceUnitLoadingException来自EclipseLink

我已经开发了一个jpa示例，但它很好 但是我在运行另一个带有jpa one的示例时遇到了错误，下面给出了错误

on [EclipseLink-30005] (Eclipse Persistence Services - 2.0.2.v20100323-r6872): org.eclipse.persistence.exceptions.PersistenceUnitLoadingException Exception Description: An exception was thrown while searching for persistence archives with ClassLoader: sun.misc.Launcher$AppClassLoader@11b86e7 Internal Exception: javax.persistence.PersistenceException: Exception [EclipseLink-28018] (Eclipse Persistence Services - 2.0.2.v20100323-r6872): org.eclipse.persistence.exceptions.EntityManagerSetupException Exception Description: Predeployment of PersistenceUnit [testjpa] failed. Internal Exception: Exception [EclipseLink-7212] (Eclipse Persistence Services - 2.0.2.v20100323-r6872): org.eclipse.persistence.exceptions.ValidationException Exception Description: The attribute [updatedTime] from the entity class [class entity.Product] does not specify a temporal type. A temporal type must be specified for persistent fields or properties of type java.util.Date and java.util.Calendar. at org.eclipse.persistence.exceptions.PersistenceUnitLoadingException.exceptionSearchingForPersistenceResources(PersistenceUnitLoadingException.java:126) at org.eclipse.persistence.jpa.PersistenceProvider.createEntityManagerFactory(PersistenceProvider.java:133) at org.eclipse.persistence.jpa.PersistenceProvider.createEntityManagerFactory(PersistenceProvider.java:65) at javax.persistence.Persistence.createEntityManagerFactory(Unknown Source) at javax.persistence.Persistence.createEntityManagerFactory(Unknown Source) at test.SurveyTest.main(SurveyTest.java:21) Caused by: javax.persistence.PersistenceException: Exception [EclipseLink-28018] (Eclipse Persistence Services - 2.0.2.v20100323-r6872): org.eclipse.persistence.exceptions.EntityManagerSetupException Exception Description: Predeployment of PersistenceUnit [testjpa] failed. Internal Exception: Exception [EclipseLink-7212] (Eclipse Persistence Services - 2.0.2.v20100323-r6872): org.eclipse.persistence.exceptions.ValidationException Exception Description: The attribute [updatedTime] from the entity class [class entity.Product] does not specify a temporal type. A temporal type must be specified for persistent fields or properties of type java.util.Date and java.util.Calendar. at org.eclipse.persistence.internal.jpa.EntityManagerSetupImpl.predeploy(EntityManagerSetupImpl.java:991) at org.eclipse.persistence.internal.jpa.deployment.JPAInitializer.callPredeploy(JPAInitializer.java:88) at org.eclipse.persistence.jpa.PersistenceProvider.createEntityManagerFactory(PersistenceProvider.java:124) ... 4 more Caused by: Exception [EclipseLink-28018] (Eclipse Persistence Services - 2.0.2.v20100323-r6872): org.eclipse.persistence.exceptions.EntityManagerSetupException Exception Description: Predeployment of PersistenceUnit [testjpa] failed. Internal Exception: Exception [EclipseLink-7212] (Eclipse Persistence Services - 2.0.2.v20100323-r6872): org.eclipse.persistence.exceptions.ValidationException Exception Description: The attribute [updatedTime] from the entity class [class entity.Product] does not specify a temporal type. A temporal type must be specified for persistent fields or properties of type java.util.Date and java.util.Calendar. at org.eclipse.persistence.exceptions.EntityManagerSetupException.predeployFailed(EntityManagerSetupException.java:210) ... 7 more Caused by: Exception [EclipseLink-7212] (Eclipse Persistence Services - 2.0.2.v20100323-r6872): org.eclipse.persistence.exceptions.ValidationException Exception Description: The attribute [updatedTime] from the entity class [class entity.Product] does not specify a temporal type. A temporal type must be specified for persistent fields or properties of type java.util.Date and java.util.Calendar. at org.eclipse.persistence.exceptions.ValidationException.noTemporalTypeSpecified(ValidationException.java:1395) at org.eclipse.persistence.internal.jpa.metadata.accessors.mappings.MappingAccessor.processTemporal(MappingAccessor.java:1590) at org.eclipse.persistence.internal.jpa.metadata.accessors.mappings.MappingAccessor.processJPAConverters(MappingAccessor.java:1358) at org.eclipse.persistence.internal.jpa.metadata.accessors.mappings.MappingAccessor.processMappingConverter(MappingAccessor.java:1422) at org.eclipse.persistence.internal.jpa.metadata.accessors.mappings.MappingAccessor.processMappingValueConverter(MappingAccessor.java:1440) at org.eclipse.persistence.internal.jpa.metadata.accessors.mappings.BasicAccessor.process(BasicAccessor.java:300) at org.eclipse.persistence.internal.jpa.metadata.MetadataDescriptor.processAccessors(MetadataDescriptor.java:1287) at org.eclipse.persistence.internal.jpa.metadata.accessors.classes.ClassAccessor.processAccessors(ClassAccessor.java:825) at org.eclipse.persistence.internal.jpa.metadata.accessors.classes.EntityAccessor.processAccessors(EntityAccessor.java:847) at org.eclipse.persistence.internal.jpa.metadata.accessors.classes.EntityAccessor.process(EntityAccessor.java:708) at org.eclipse.persistence.internal.jpa.metadata.MetadataProject.processStage2(MetadataProject.java:1333) at org.eclipse.persistence.internal.jpa.metadata.MetadataProcessor.processORMMetadata(MetadataProcessor.java:461) at org.eclipse.persistence.internal.jpa.deployment.PersistenceUnitProcessor.processORMetadata(PersistenceUnitProcessor.java:390) at org.eclipse.persistence.internal.jpa.EntityManagerSetupImpl.predeploy(EntityManagerSetupImpl.java:945) ... 6 more Java Result: 1 在[EclipseLink-30005]（Eclipse持久性服务-2.0.2.v20100323-r6872）上：org.Eclipse.Persistence.exceptions.PersistenceUnitLoadingException 异常描述：使用ClassLoader:sun.misc.Launcher搜索持久性存档时引发异常$AppClassLoader@11b86e7 内部异常：javax.persistence.PersistenceException:Exception[EclipseLink-28018]（Eclipse持久性服务-2.0.2.v20100323-r6872）：org.Eclipse.persistence.exceptions.EntityManagerSetupException 异常描述：PersistenceUnit[testjpa]的预部署失败。 内部异常：异常[EclipseLink-7212]（Eclipse持久性服务-2.0.2.v20100323-r6872）：org.Eclipse.Persistence.exceptions.ValidationException 异常描述：实体类[class entity.Product]的属性[updatedTime]未指定时态类型。必须为java.util.Date和java.util.Calendar类型的持久字段或属性指定时间类型。 在org.eclipse.persistence.exceptions.PersistenceUnitLoadingException.exceptionSearchingForPersistenceResources（PersistenceUnitLoadingException.java:126）上 位于org.eclipse.persistence.jpa.PersistenceProvider.createEntityManagerFactory（PersistenceProvider.java:133） 位于org.eclipse.persistence.jpa.PersistenceProvider.createEntityManagerFactory（PersistenceProvider.java:65） 位于javax.persistence.persistence.createEntityManagerFactory（未知源） 位于javax.persistence.persistence.createEntityManagerFactory（未知源） at test.SurveyTest.main（SurveyTest.java:21） 原因：javax.persistence.PersistenceException:Exception[EclipseLink-28018]（Eclipse持久性服务-2.0.2.v20100323-r6872）：org.Eclipse.persistence.exceptions.EntityManagerSetupException 异常描述：PersistenceUnit[testjpa]的预部署失败。 内部异常：异常[EclipseLink-7212]（Eclipse持久性服务-2.0.2.v20100323-r6872）：org.Eclipse.Persistence.exceptions.ValidationException 异常描述：实体类[class entity.Product]的属性[updatedTime]未指定时态类型。必须为java.util.Date和java.util.Calendar类型的持久字段或属性指定时间类型。 位于org.eclipse.persistence.internal.jpa.EntityManagerSetupImpl.predeploy（EntityManagerSetupImpl.java:991） 位于org.eclipse.persistence.internal.jpa.deployment.jpainInitializer.callPredeploy（jpainInitializer.java:88） 位于org.eclipse.persistence.jpa.PersistenceProvider.createEntityManagerFactory（PersistenceProvider.java:124） ... 4更多 原因：异常[EclipseLink-28018]（Eclipse持久性服务-2.0.2.v20100323-r6872）：org.Eclipse.Persistence.exceptions.EntityManagerSetupException 异常描述：PersistenceUnit[testjpa]的预部署失败。 内部异常：异常[EclipseLink-7212]（Eclipse持久性服务-2.0.2.v20100323-r6872）：org.Eclipse.Persistence.exceptions.ValidationException 异常描述：实体类[class entity.Product]的属性[updatedTime]未指定时态类型。必须为java.util.Date和java.util.Calendar类型的持久字段或属性指定时间类型。 位于org.eclipse.persistence.exceptions.EntityManagerSetupException.predeployFailed（EntityManagerSetupException.java:210） ... 还有7个 原因：异常[EclipseLink-7212]（Eclipse持久性服务-2.0.2.v20100323-r6872）：org.Eclipse.Persistence.exceptions.ValidationException 异常描述：实体类[class entity.Product]的属性[updatedTime]未指定时态类型。必须为java.util.Date和java.util.Calendar类型的持久字段或属性指定时间类型。 位于org.eclipse.persistence.exceptions.ValidationException.noTemporalTypeSpecified（ValidationException.java:1395） 位于org.eclipse.persistence.internal.jpa.metadata.accessors.MappingAccessor.processTemporal（MappingAccessor.java:1590） 位于org.eclipse.persistence.internal.jpa.metadata.accessors.MappingAccessor.processJPAConverters（MappingAccessor.java:1358） 位于org.eclipse.persistence.internal.jpa.metadata.accessors.MappingAccessor.processMappingConverter（MappingAccessor.java:1422） 位于org.eclipse.persistence.internal.jpa.metadata.accessors.MappingAccessor.processMappingValueConverter（MappingAccessor.java:1440） 位于org.eclipse.persistence.internal.jpa.metadata.accessors.mappings.BasicAccessor.process（BasicAccessor.java:300） 位于org.eclipse.persistence.internal.jpa.metadata.MetadataDescriptor.processAccessors（MetadataDescriptor.java:1287） 位于org.eclipse.persistence.internal.jpa.metadata.accessors.classes.ClassAccessor.processAccessors（ClassAccessor.java:825） 位于org.eclipse.persistence.internal.jpa.metadata.accessors.classes.EntityAccessor.processAccessors（EntityAccessor.java:847） 位于org.eclipse.persistence.internal.jpa.metadata.accessors.classes.EntityAccessor.process（EntityAccessor.java:708） 位于org.eclipse.persistence.internal.jpa.metadata.MetadataProject.processStage2（MetadataProject.java:1333） 位于org.eclipse.persistence.internal.jpa.metadata.MetadataProcessor.processORMMetadata（MetadataProcessor.java:461） 位于org.eclipse.persistence.internal.jpa.deployment.PersistenceUnitProcessor.processORMetadata（PersistenceUnitProcessor.java:390） 位于org.eclipse.persistence.internal.jpa.EntityManagerSetupImpl.predeploy（EntityManagerSetupImpl.java:945） ... 还有6个 Java结果：1 异常说明：实体类[class entity.Product]中的属性[UpdateTime]不存在