i have the same problem"the second one :
javax.servlet.ServletException: javax.persistence.PersistenceException: Exception [EclipseLink-4003] (Eclipse Persistence Services - 2.3.2.v20111125-r10461): org.eclipse.persistence.exceptions.DatabaseException
Exception Description: Configuration error. Class [com.mysql.jdbc.Driver] not found"
And i want to knw have you find a solution for your problem i am in need to your help thanks for reply me
Joined: Oct 01, 2007
Ensure the MySQL JDBC jar is on your classpath, and accessible to EclipseLink.