eclipse - can't find solution for No Persistence provider for EntityManager named -


my persistence.xml

   <?xml version="1.0" encoding="utf-8"?>    <persistence version="2.0" 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_2_0.xsd">    <persistence-unit name="caronteemirjpaprj">     <provider>org.hibernate.ejb.hibernatepersistence</provider>        <non-jta-data-source>ercole</non-jta-data-source>        <class>model.customer</class>         <properties>           <property name="hibernate.dialect"             value="org.hibernate.dialect.oracledialect"/>           <property name="javax.persistence.jdbc.url" value="jdbc:oracle:thin:@172.31.62.61:1521:ercole"/>           <property name="javax.persistence.jdbc.user" value="eli"/>           <property name="javax.persistence.jdbc.password" value="eli"/>           <property name="javax.persistence.jdbc.driver" value="oracle.jdbc.oracledriver"/>         </properties>      </persistence-unit>   </persistence>

enter image description here

@stateless public class querybean implements serializable {    /*   *   */  private static final long serialversionuid = -7101661704004061600l;  entitymanagerfactory emf = persistence.createentitymanagerfactory("caronteemirjpaprj");   @persistencecontext(unitname="caronteemirjpaprj")  private entitymanager em;   public querybean(){        em = emf.createentitymanager();  }   public list<customer> findall() {   query query = em.createquery("select h customer h");   return (list<customer>) query.getresultlist();  }   public static void main(string[] args) {       querybean q = new querybean();       q.findall();  }  }

i needed hibernate-entitymanager-4.1.4.final


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