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Error opening database with ObjectDB Explorer when using composite key

> KEY: public class PersonId implements Serializable { private String id

How to delete M2M relationship?

In user model class I have the following: public class User implements Serializable {     @Id     @GeneratedValue(strategy = GenerationType.AUTO)     private Long id;    

Problem with @OrderBy

When I use @OrderBy and supply multiple order fields I get and error when ObjectDB Explorer expands a instance of the entity. Example code: @Entity @Table(name="Defects", schema = "myDB") public class Defects implements Serializable

Query only works correctly when debug printing results

RequirementDBEntity implements Serializable { /** * */ private static final long

Method not found on...

I've got this class... @Entity @Table(name = "language") public class Language implements Serializable{ ... private List<String> aliases; ... public boolean hasAlias(List<String> alai

significant performance decrease

implements Serializable { private static final long serialVersionUID = 1L; @Id

Strange behaviour with ORDER BY and IN

implements Serializable {     @Id     private String id;    

Null returned by Persistence.createEntityManagerFactory

> @Entity public class Task implements Serializable { @Id @GeneratedValue int

TYPE Expression

Serializable {     }     @Entity     public static

Rename Application StringIdentity

I don't think JDO supports altering an entity's Application Identity.  Does ObjectDB? @PersistenceCapable public class MyClass implements Serializable, Cloneable{ @Id private StringIdentity id; ... }