JPA

[Mariya Antony christopher]

hai all i have tried the sample demo application using netbeans for CRUD operation using JPA
but it returns error,i have tried many options but it produce error

my persistence .xml file will be
<persistence version="1.0" xmlns="http://java.sun.com/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd"> <persistence-unit name="sampledb" transaction-type="JTA"> <provider>org.hibernate.ejb.HibernatePersistence</provider> <jta-data-source>sample</jta-data-source> <properties/> </persistence-unit> </persistence>

my tomcat server result:

Exception [TOPLINK-30005] (Oracle TopLink Essentials - 2.0.1 (Build b09d-fcs (12/06/2007))): oracle.toplink.essentials.exceptions.PersistenceUnitLoadingException
Exception Description: An exception was thrown while searching for persistence archives with ClassLoader: WebappClassLoader
context: /jsfjpa
delegate: false
repositories:
/WEB-INF/classes/
----------> Parent Classloader:
org.apache.catalina.loader.StandardClassLoader@1fee6fc

Internal Exception: Exception [TOPLINK-30004] (Oracle TopLink Essentials - 2.0.1 (Build b09d-fcs (12/06/2007))): oracle.toplink.essentials.exceptions.PersistenceUnitLoadingException
Exception Description: An exception was thrown while processing persistence.xml from URL: file:/D:/JSF-sample%20pgms/jsfjpa/build/web/WEB-INF/classes/
Internal Exception:
(1. cvc-complex-type.4: Attribute 'version' must appear on element 'persistence'.)

[Vijitha Kumara]

What tutorial are you talking about and what steps have you followed?

[Mariya Antony christopher]

Vijitha Kumara wrote:What tutorial are you talking about and what steps have you followed?

I tried to devlop basic cRUD operation in netbeans using JPA
I have changed the Persistence.xml based on persistence provider but nothing works!
kindly suggest ..

[Vijitha Kumara]

Here's a JPA tutorial with Netbeans you may work with.