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Tutorial
3

Getting Started with JPA and NetBeans

This is the NetBeans version of the Quick Start with JPA tutorial. It demonstrates how to create and run a simple JPA application in NetBeans. The demonstrated application uses JPA to store and retrieve simple Point entity objects, where each Point has two persistent fields - x and y
FAQ
3

Is ObjectDB better than competing object databases?

you can keep your application portable. If necessary, you will always be able to switch to any relational ... almost every application. ObjectDB supports user defined primary keys including composite primary keys. The support
FAQ
3

Is ObjectDB scalable? What are its limitation?

ObjectDB is highly scalable and can manage efficiently databases in a wide range of sizes, from a few Kilobytes to hundreds of Gigabytes and even Terabytes. ObjectDB can be used in small embedded single user applications as well as in heavy loaded multi threaded multi user applications. ObjectDB
Manual
3

JPA Persistable Types

only useful in applications that use an ORM-based JPA provider (such as Hibernate, TopLink, EclipseLink ... . Most applications are not affected by this, because proxy classes extend the original Java classes
Manual
3

Schema Update

is required when persistable classes are renamed or moved to another package. Running the application ... that after such changes the application is run only with the configuration that matches these changes exactly
FAQ
3

Which API should I use - JPA or JDO?

. Therefore, it might be the first choice for most new applications. You can use JPA as the primary ... that are supported only by JDO. Selecting the more popular API leads to more portable application and extends
Result
3

Eclipse Public License - v 1.0

of program errors, compliance with applicable laws, damage to or loss of data, programs or equipment ... OF SUCH DAMAGES. 7. GENERAL If any provision of this Agreement is invalid or unenforceable under applicable
Manual
3

Obtaining a JPA Database Connection

, every operation on a database is associated with an EntityManager. Further, in a multithreaded application ... application-wide EntityManagerFactory. When the connection to the database is no longer needed
Forum
3

PersistenceException UserException: Failed to validate persistence.xml

:108) at org.apache.myfaces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:68 ... -application exception; nested exception is: javax.persistence.PersistenceException: Explicit persistence ... more Caused by: javax.ejb.EJBException: The bean encountered a non-application exception; nested
Forum
2

How to enhance the JPA/Spring/MVC to implement RESTfull for CURL client?

.RequestMethod.GET,    headers = {"Accept=text/xml, application/json"}) public @org.springframework.web.bind ... to change my web.xml servlet mapping in web.xml? I've been experimenting with and nothing seems to work. Thanks Siegfried Here is my web.xml fragment:     spring