Я только что попытался клонировать репо:
git clone git@github.com:oktadeveloper/okta-spring-boot-react-crud-example.git
И выполнил команду, которую вы упомянули:
cd okta-spring-boot-react-crud-example
./mvnw spring-boot:run -Pprod
Работает на моей машине! 100
2020-04-22 12:21:16.891 INFO 79919 --- [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat started on port(s): 8080 (http) with context path ''
2020-04-22 12:21:16.897 INFO 79919 --- [ main] c.o.d.jugtours.JugToursApplication : Started JugToursApplication in 5.59 seconds (JVM running for 46.727)
2020-04-22 12:21:16.978 INFO 79919 --- [ main] o.h.h.i.QueryTranslatorFactoryInitiator : HHH000397: Using ASTQueryTranslatorFactory
Group(id=1, name=Denver JUG, address=null, city=null, stateOrProvince=null, country=null, postalCode=null, user=null, events=[Event(id=5, date=2018-12-12T18:00:00Z, title=Full Stack Reactive, description=Reactive with Spring Boot + React, attendees=[])])
Group(id=2, name=Utah JUG, address=null, city=null, stateOrProvince=null, country=null, postalCode=null, user=null, events=[])
Group(id=3, name=Seattle JUG, address=null, city=null, stateOrProvince=null, country=null, postalCode=null, user=null, events=[])
Group(id=4, name=Richmond JUG, address=null, city=null, stateOrProvince=null, country=null, postalCode=null, user=null, events=[])