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javajpaeclipselink

Eclipselink Maven No Persistence provider for EntityManager named


I try to create a JPA Project with Maven in Intellij. I use Eclipse Link and the Database is SQlite.

This is my current pom.xml File (only the Dependencies):

<dependency>
  <groupId>org.xerial</groupId>
  <artifactId>sqlite-jdbc</artifactId>
  <version>3.8.11.2</version>
</dependency>

<dependency>
  <groupId>org.eclipse.persistence</groupId>
  <artifactId>org.eclipse.persistence.jpa</artifactId>
  <version>2.6.3</version>
</dependency>

<dependency>
  <groupId>org.eclipse.persistence</groupId>
  <artifactId>javax.persistence</artifactId>
  <version>2.1.1</version>
</dependency>

<dependency>
  <groupId>org.eclipse.persistence</groupId>
  <artifactId>eclipselink</artifactId>
  <version>2.6.3</version>
</dependency>

My persistence.xml file looks like this:

<?xml version="1.0" encoding="UTF-8"?>
<persistence xmlns="http://xmlns.jcp.org/xml/ns/persistence" version="2.1">
<persistence-unit name="NewPersistenceUnit">
    <provider>org.eclipse.persistence.jpa.PersistenceProvider</provider>
    <class>com.raeste.db.BuchungEntity</class>
    <class>com.raeste.db.KategorieEntity</class>
    <properties>
        <property name="eclipselink.jdbc.url" value="jdbc:sqlite:/home/raeste/programmierung/haushaltsbuch.db"/>
        <property name="eclipselink.jdbc.driver" value="org.sqlite.JDBC"/>
    </properties>
</persistence-unit>
</persistence>

If i now try to create an EntityMangerFactory I get the following exception:

Exception in thread "main" javax.persistence.PersistenceException: No Persistence provider for EntityManager named NewPersistenceUnit
at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:85)
at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:54)

The Code to create the EntityManagerFactory is:

EntityManagerFactory emf = Persistence.createEntityManagerFactory("NewPersistenceUnit");

I know there are several questions with that problem but non of them helped. The persistence.xml file is under the following path:

src/main/java/META-INF/

Solution

  • The persistence.xml file should be at src/main/resources/META-INF.
    src/main/java is for Java source code.
    src/main/resources is for resource files.

    Try it.