JPA: use @ generatedvalue on non ID columns

I try to stick to an entity with attributes I want to populate from the DB sequence I am using Oracle to create a sequence and verify the working principle of the sequence through SQL, but my attributes are not filled This is what I have:

@GeneratedValue(generator = "RFQ_LINE_IDS_SEQUENCE",strategy=GenerationType.SEQUENCE)
@SequenceGenerator(name="RFQ_LINE_IDS_SEQUENCE",sequenceName="RFQ_LINE_IDS_SEQUENCE",allocationSize=1000000000)
@Column(name = "external_line_item_id")
private String externalLineItemId;

All the examples I see on the Internet show that this annotation is used with @ ID, but I have another attribute. I'm using my ID

I have also tried the following to no avail:

@GeneratedValue(generator = "RFQ_LINE_IDS_SEQUENCE",strategy=GenerationType.SEQUENCE)
@GenericGenerator(name = "RFQ_LINE_IDS_SEQUENCE",strategy = "sequence",parameters = {@Parameter(name = "sequence",value = "RFQ_LINE_IDS_SEQUENCE")})
@Column(name = "external_line_item_id")
private String externalLineItemId;

Solution

JPA only forces @ generatedvalue on the @ ID field Some JPA implementations (such as datanucleus JPA) support it, but not all support it