when a base class marked with @MappedSuperclass has a @Version column and an entity inherits from it, hibernate raises the following exception (but only under jdk1.8.0):

at org.hibernate.jpa.internal.metamodel.AttributeFactory$6.resolveMember(AttributeFactory.java:1059)
at org.hibernate.jpa.internal.metamodel.AttributeFactory.determineAttributeMetadata(AttributeFactory.java:466)
at org.hibernate.jpa.internal.metamodel.AttributeFactory.buildVersionAttribute(AttributeFactory.java:176)
at org.hibernate.jpa.internal.metamodel.MetadataContext.applyVersionAttribute(MetadataContext.java:343)
at org.hibernate.jpa.internal.metamodel.MetadataContext.wrapUp(MetadataContext.java:248)
at org.hibernate.jpa.internal.metamodel.MetamodelImpl.buildMetamodel(MetamodelImpl.java:96)
at org.hibernate.jpa.internal.EntityManagerFactoryImpl.<init>(EntityManagerFactoryImpl.java:148)
at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl$4.perform(EntityManagerFactoryBuilderImpl.java:867)
at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl$4.perform(EntityManagerFactoryBuilderImpl.java:845)
at org.hibernate.boot.registry.classloading.internal.ClassLoaderServiceImpl.withTccl(ClassLoaderServiceImpl.java:398)
at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:844)
at org.hibernate.jpa.HibernatePersistenceProvider.createContainerEntityManagerFactory(HibernatePersistenceProvider.java:152)
at org.hibernate.ejb.HibernatePersistence.createContainerEntityManagerFactory(HibernatePersistence.java:67)
at org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.createNativeEntityManagerFactory(LocalContainerEntityManagerFactoryBean.java:257)
at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.afterPropertiesSet(AbstractEntityManagerFactoryBean.java:310)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1514)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1452)
... 66 more

following sample mapping:

@MappedSuperclass
public abstract class BaseEntity implements Persistable
{

private static final long serialVersionUID = SerialVersion.SERIAL_VER;

private Date modified;
private Date created;
private String modifiedBy;

@Column(name = "MODIFIED")
@Temporal(TemporalType.TIMESTAMP)
@Version
public Date getModified()

...

@Table(name = "CSF_PRICES")
@Entity
public class ContractServiceFeaturePriceEntity extends BaseEntity
{

private static final long serialVersionUID = SerialVersion.SERIAL_VER;
public static final String SEQ_NAME = "SEQ_CSF_PRICES";

@Id
@Column(name = "CSFP_ID", unique = true, nullable = false)
@GeneratedValue(strategy = GenerationType.SEQUENCE, generator = SEQ_NAME)
@org.hibernate.annotations.GenericGenerator(name = SEQ_NAME, strategy = "sequence", parameters =

)
private Long id;

...