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"where in" query

();     }         @Entity     public static final class Prez {         @Id @GeneratedValue long id

Mismatch client-server protocol prefix

explicitly set and the field is annotated with: @Id @GeneratedValue public Long getId() { return Id

How to create a Unique constraint?

Hi, I'm trying to create a unique constraint. Here is a simple example: @Entity public class Account { @Id @GeneratedValue private long id; @Index(unique="true") private String name; } The code runs and my Account objects are persisted. But no exception is thrown

Error with org.springframework.data.jpa.domain.AbstractPersistable

>     {         @Id @GeneratedValue         PK id;     }     @Entity        public static

Should I be able to persist a JFrame (or gui components in general)?

@GeneratedValue private long id; public NewJFrame() { initComponents

Error: Failed to write value of field X using reflection (oneToMany relation)

Hi there! I have been all day trying to solve this. I have read multiple sites and documentation, but I can go through this. I have a clase named Pedido, that have a reference ManyToOne to a clase Cliente. @Entity public class Pedido { @Id @GeneratedValue private long id

Problem with bidirectional link

with the same id = 0. You can easily solve the problem by annotating the id field with @GeneratedValue. I

Missing (null) elements in eager loaded references

, allocationSize = 100) public abstract class BaseElement { @Id @GeneratedValue(strategy

Possible issue for default id generator

and 36: @GeneratedValue(strategy=GenerationType.SEQUENCE)//, generator="seq") @Id

EntityManagerFactory Fails To Swtich Over To Slave When Master Is Unavailable

{     private static final long serialVersionUID = 1L;     @Id @GeneratedValue     private long id

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Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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