Hi, I'm experimenting with the new Java Persistence API interface to Hibernate
and running into problems rather fast.
My basic test class:
| package datatier;
|
| import javax.persistence.EntityManager;
| import javax.persistence.EntityManagerFactory;
| import javax.persistence.Persistence;
|
| public class DataTierTest {
|
| public static void main(String[] args) {
| Object file =
ClassLoader.getSystemClassLoader().getResource("META-INF/persistence.xml");
| System.out.println("FILE " + file);
| EntityManagerFactory emf =
Persistence.createEntityManagerFactory("test");
| EntityManager manager = emf.createEntityManager();
| }
|
My META-INF/persistence.xml
| <?xml version="1.0" encoding="UTF-8"?>
| <persistence 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";
| version="1.0">
| <persistence-unit name="test" transaction-type="RESOURCE_LOCAL">
| <provider>org.hibernate.ejb.HibernatePersistence</provider>
| <properties>
| <property name="hibernate.hbm2ddl.auto" value="validate"/>
| <property name="hibernate.connection.driver_class"
value="org.postgresql.Driver"/>
| <property name="hibernate.connection.password" value="password"/>
| <property name="hibernate.connection.url"
value="jdbc:postgresql:TestDB"/>
| <property name="hibernate.connection.username" value="user"/>
| <property name="hibernate.dialect"
value="org.hibernate.dialect.PostgreSQLDialect"/>
| <property name="hibernate.default_schema" value="authority"/>
| </properties>
| </persistence-unit>
| </persistence>
|
>From within Eclipse and as a Jar running from the command line, the above
>results in:
| FILE file:/home/jantzen/eclipse/DataTier/bin/META-INF/persistence.xml
| Exception in thread "main" javax.persistence.PersistenceException: No
Persistence provider for EntityManager named test
| at
javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:41)
| at
javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:27)
| at org.throbbing.datatier.DataTierTest.main(DataTierTest.java:13)
|
I've verified that META-INF is in the classpath (which the
ClassLoader.getResource() call demonstrates as well), so I'm perplexed.
Something simple I'm missing probably.
Thanks.
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