DataNucleus

DataNucleus has asked 1 questions and find answers to 69 problems.

Stats

About

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

Free support for DataNucleus is only provided on the DataNucleus Forum from now on. Commercial support for DataNucleus is also available from dataNucleus.com

DataNucleus questions

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

DataNucleus answers

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
Multiple Threads accessing the database: one with long transaction, one with short transactions