Application.java

package demo;

import java.util.HashMap;
import java.util.Map;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.autoconfigure.orm.jpa.JpaBaseConfiguration;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.orm.jpa.vendor.AbstractJpaVendorAdapter;
import org.springframework.orm.jpa.vendor.EclipseLinkJpaVendorAdapter;

@Configuration
@ComponentScan
@EnableAutoConfiguration
public class Application extends JpaBaseConfiguration {

    public static void main(String[] args) {
        SpringApplication.run(Application.class, args);
    }

	@Override
	protected AbstractJpaVendorAdapter createJpaVendorAdapter() {
		EclipseLinkJpaVendorAdapter adapter = new EclipseLinkJpaVendorAdapter();
		return adapter;
	}

	@Override
	protected Map<String, Object> getVendorProperties() {
		HashMap<String, Object> map = new HashMap<String, Object>();
		return map;
	}
}