Understand ArgumentResolver

src/main/java/demo/api/config/SecurityConfig.java

@@ -39,7 +39,7 @@ public class SecurityConfig extends WebSecurityConfigurerAdapter {
   protected void configure(HttpSecurity http) throws Exception {
     http
         .csrf().disable()
-        .formLogin().disable()
+        .formLogin().disable()//loginPage("/user/signIn")
         .authorizeRequests()
         .antMatchers("/", "/user/signUp").permitAll()
         .anyRequest().authenticated();