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Re: [eclipselink-users] Unrecognized persistence provider
|
It seems your classes have been enhanced by OpenJPA to contain references to
OpenJPA classes. But these classes are not visible to your EclipseLink's
classpath.
RMMM wrote:
>
> I'm trying to figure out a puzzling exception in my app. I'm using
> Eclipslink for JPA. I have the line
> <provider>org.eclipse.persistence.jpa.PersistenceProvider</provider>
> in my persistence.xml. However, I'm getting an exception when I reach the
> line
> EntityManagerFactory emf =
> Persistence.createEntityManagerFactory("LetterPU", map);
>
> The exception trace is:
>
> WARNING: Found unrecognized persistence provider
> "org.eclipse.persistence.jpa.PersistenceProvider" in place of OpenJPA
> provider. This provider's properties will not be used.
> Exception in thread "main" java.lang.NoClassDefFoundError:
> org/apache/openjpa/enhance/PersistenceCapable
> at java.lang.ClassLoader.defineClass1(Native Method)
> at java.lang.ClassLoader.defineClass(ClassLoader.java:675)
> at
> java.security.SecureClassLoader.defineClass(SecureClassLoader.java:124)
> at java.net.URLClassLoader.defineClass(URLClassLoader.java:260)
> at java.net.URLClassLoader.access$000(URLClassLoader.java:56)
> at java.net.URLClassLoader$1.run(URLClassLoader.java:195)
> at java.security.AccessController.doPrivileged(Native Method)
> at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:316)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
> at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:288)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
> at
> org.eclipse.persistence.internal.jpa.deployment.PersistenceUnitProcessor.loadClass(PersistenceUnitProcessor.java:261)
> at
> org.eclipse.persistence.internal.jpa.metadata.MetadataProcessor.initPersistenceUnitClasses(MetadataProcessor.java:247)
> at
> org.eclipse.persistence.internal.jpa.metadata.MetadataProcessor.processEntityMappings(MetadataProcessor.java:422)
> at
> org.eclipse.persistence.internal.jpa.deployment.PersistenceUnitProcessor.processORMetadata(PersistenceUnitProcessor.java:296)
> at
> org.eclipse.persistence.internal.jpa.EntityManagerSetupImpl.predeploy(EntityManagerSetupImpl.java:830)
> at
> org.eclipse.persistence.internal.jpa.deployment.JPAInitializer.callPredeploy(JPAInitializer.java:101)
> at
> org.eclipse.persistence.internal.jpa.deployment.JPAInitializer.initPersistenceUnits(JPAInitializer.java:149)
> at
> org.eclipse.persistence.internal.jpa.deployment.JPAInitializer.initialize(JPAInitializer.java:135)
> at
> org.eclipse.persistence.jpa.PersistenceProvider.createEntityManagerFactory(PersistenceProvider.java:104)
> at
> org.eclipse.persistence.jpa.PersistenceProvider.createEntityManagerFactory(PersistenceProvider.java:64)
> at
> javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:83)
> at
> com.magicballbingo.yboard.Main.initializePersistence(Main.java:166)
> at com.magicballbingo.yboard.Main.main(Main.java:54)
> Caused by: java.lang.ClassNotFoundException:
> org.apache.openjpa.enhance.PersistenceCapable
> at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
> at java.security.AccessController.doPrivileged(Native Method)
> at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:316)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
> at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:374)
> ... 25 more
>
>
> Now, I've never used or called for OpenJPA. I don't have any idea what's
> trying to load OpenJPA or why. My only imports are:
>
> import java.io.FileReader;
> import java.io.FileNotFoundException;
> import java.io.IOException;
> import java.util.HashMap;
> import java.util.Map;
>
> import javax.persistence.Persistence;
> import javax.persistence.EntityManager;
> import javax.persistence.EntityManagerFactory;
>
> import javax.jms.ConnectionFactory;
>
> import org.apache.log4j.Logger;
> import org.apache.log4j.PropertyConfigurator;
>
> import org.eclipse.persistence.config.PersistenceUnitProperties;
>
>
>
> Any ideas?
>
>
>
-----
---
http://wiki.eclipse.org/User:James.sutherland.oracle.com James Sutherland
http://www.eclipse.org/eclipselink/
EclipseLink , http://www.oracle.com/technology/products/ias/toplink/
TopLink
Wiki: http://wiki.eclipse.org/EclipseLink EclipseLink ,
http://wiki.oracle.com/page/TopLink TopLink
Forums: http://forums.oracle.com/forums/forum.jspa?forumID=48 TopLink ,
http://www.nabble.com/EclipseLink-f26430.html EclipseLink
Book: http://en.wikibooks.org/wiki/Java_Persistence Java Persistence
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