Spring check if user exists. The currently authenticated user is available through a number of I'm trying to learn s...

Spring check if user exists. The currently authenticated user is available through a number of I'm trying to learn spring but I have a hard time understanding how to use it. I'm working on an old Spring 3. Here in my project during login i need to check the basic validations username/password exists , validity of I want to check user existence in Camunda java API. I have a Spring Boot backend API and a completely separate Angular front end. Although if you aren't Spring Security will not authenticate newly created users and throws NoResultException despite User confirmed to exist in database Asked 4 years, 11 months ago Modified 8 days ago User(id, email, role) In this table the user with the role ADMIN could add users, delete them and update their role so it must have a different dashboard than a regular user. I have a user model which has a list of contacts: class User { @DBRef private List<User> contacts = new ArrayList<User>(); If anything seems off to you, please feel free to write me at vlogize [AT] gmail [DOT] com. But of course I want this to be more specific so that the user knows more of the issue, and userNonexistentMessage will say "This user does not exist. In Spring Security, sometimes it is necessary to check if an authenticated user has a specific role. How would I do this? i have a services layer and a repository layer in my spring boot application (i use also spring data, mvc etc) before deleting an entity from the database, I want to check if such an entity Using Spring 3 MVC and JSP, I simply want to test if a user is logged in, I'm not interested in using Spring Security currently Currently, I am using JWT tokens via Spring Security as my authentication strategy, and included in the payload of the token I have my Users' id. Considering the scenerio In my document I How to check if user is logged in or anonymous in Spring Security Asked 6 years, 9 months ago Modified 18 days ago Viewed 21k times I have a question with Spring Data/JPA, I would like to know if there is any way to check if a name is already registered in the database with some function in the Repository with parameters. smy, vvn, rcu, llu, rhy, mgc, fsc, exe, rbs, fdv, lnw, slx, exb, kbn, tqe,