Using spring boot client instead of GWT
spring-boot-rest-app - increment service.This service provides OAuth2 tokens for the other service.
php-client-rest-app - it's a sample php page, which send requests to spring-boot-rest-app and spring-boot-client-app
spring-boot-client-app - client service, which aggregate all services for working this test
endpoint this app is spring-boot-client-app