OAuth2를 활용한 SSO 서버/클라이언트 구현

https://www.baeldung.com/sso-spring-security-oauth2

Simple Single Sign-On with Spring Security OAuth2 | Baeldung

https://github.com/eugenp/tutorials/tree/master/spring-security-sso

eugenp/tutorials

java.lang.NoClassDefFoundError: javax/xml/bind/JAXBException 오류 뜰때

https://cnpnote.tistory.com/entry/SPRING-Java-9%EB%A1%9C-%EC%A0%84%ED%99%98-%ED%95%A0-%EB%95%8C-Spring-%EB%B6%80%ED%8A%B8%EB%A5%BC-%EC%82%AC%EC%9A%A9%ED%95%98%EB%8A%94-javaxxmlbindJAXBException%EC%9D%98-ClassNotFoundException

[SPRING] Java 9로 전환 할 때 Spring 부트를 사용하는 javax.xml.bind.JAXBException의 ClassNotFoundException

<dependency>
    <groupId>org.glassfish.jaxb</groupId>
    <artifactId>jaxb-runtime</artifactId>
</dependency>