I am using JPA for a java class and having trouble putting the persistence XML file where it should be.
The IDE i am using is Eclipse Helios. Eclipselink jar files are downloaded and added to my JRE System Library and all. I wrote up the persistence.xml with the tag after getting the following error :
Exception in thread "main" javax.persistence.PersistenceException: No Persistence provider for EntityManager named customers
Provider tag:
<provider>org.eclipse.persistence.jpa.PersistenceProvider</provider>
The program still doesn’t run so i am wondering where should I place persistence.xml (i.e src/main/resources, or lib/META-INF… etc )
persistence.xmlshould be put inside an directory calledMETA-INFunder the root of the classpath .Right click your project in eclipse ==> Properties ==> Java Build Path . Suppose you configure one of the build paths to be
/src/main/resources, then you should put thepersistence.xmlat/src/main/resources/META-INF/persistence.xml