All dependencies for clear starting your app with Spring, Hibernate and PostgreSQL It configuration for Java 11. If do you use Java 8 or earlier you can remove all a dependencies for JAXB If you use Java 9 and later, but not 11, you should change Java version in properties for build and compile. Also change Main-Class name on properties for your

If you have't maven, please install him. Example for Ubuntu: sudo apt-get install maven

For compile and start you app, just write in console (in project folder):

mvn compile exec:java