https://build.spring.io/browse/INTSAMPLES-NIGHTLY-2239/ Having Hibernate and EclipseLink in the same application isn't a goal. On the other hand the sample must be concentrate on the Spring Integration, not a complexity brought by the Spring Boot auto-configuration override. * Remove the EclipseLink support from the JPA samples and rely only on the Hibernate auto-configuration * Remove an appropriate message from the README