jndi database connection with jpa and eclipselink I try to setup a database connection in java with JNDI in combination with eclipseLink/JPA on Tomcat 5.5. I already configured the JNDI resource in web.xml and context.xml. The db connection works with JNDI without using JPA and eclipseLink. After configuring the persistence.xml for eclipseLink, I got the