I am implementing a project with angular 5 in front end and springboot in backend. While i'm trying to send a request from client to backend, In the google chrome console the following message is displayed GET http://localhost:4200/customer 404 (Introuvable) And In the tomcat console I'm getting this line avr. 23, 2018 11:26:21 AM org.apache.tomcat.util.http.LegacyCookieProcessor processCookieHeader INFOS: Cookies: Invalid cookie. Value not a token or quoted value Note: further occurrences of Cookie errors will be logged at DEBUG level. What would be the solution for this? Continue reading...