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using @Id getter methods

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I tried to achieve the following design:

class AbstractOne implements Serializable { protected int id; }

class A extends AbstractOne { .. ... }

class B extends A
@GeneratedValue(strategy = GenerationType.IDENTITY)
@Column(name = "ID")
public int getId() {
return id;

Then I tried to deploy the application on Glassfish, but I got an exception:

Exception Description: Entity class [class]
has no primary key specified. It should define either an @Id,
@EmbeddedId or an @IdClass.

Seems to be a killer issue in my design :( please help...

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Joined: 2005-11-02