java - EclipseLink entity mapping problem when using property accessor methods -
given class below know why eclipselink implementation of jpa fails map them database entities? following error returned: entity class [class com.my.entity.y] has no primary key specified. should define either @id, @embeddedid or @idclass. if have defined pk using of these annotations make sure not have mixed access-type (both fields , properties annotated) in entity class hierarchy. @entity @access(accesstype.property) public interface y { void setid(long id); @id long getid(); } @entity public class z implements y { long id; @override public void setid(long id) { this.id = id; } @override public long getid() { return id; } } many thanks eclipselink support querying , relationships interfaces, not in annotations. to map interface can use sessioncustomizer. public class mycustomizer implements sessioncustomizer { public void customize(session session) { relationaldescriptor descriptor = new r...
