DataNucleus

DataNucleus has asked 1 questions and find answers to 70 problems.

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Specialists in JDO/JPA Java persistence since 2003, and member of JDO expert group.

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DataNucleus questions

Using maven-release-plugin with GitHub "You can't push to git://github.com/..."

DataNucleus answers

Modify persistence.xml on runtime
JPA: Id column settable both automatically and manually
Google App Engine JDO enhancement is failing
GAE JDO persistencemanager GetObjectById returns No such object?
Is it mandatory to instantiate collection fields in JPA?
How to mix Inheritance Strategies in combination with multiple subclass layers
How to get the field annotated with @Id in EJB3 (JPA) and Hibernate?
JPA 1.0 @OrderBy uses field names vs. JPA 2.0 @OrderColumn uses column names
JPA - When to use getTransaction() when persisting objects
How to handle JPA annotations for a pointer to a generic interface