"timestamp": 1507840896561,
    "status": 403,
    "error": "Forbidden",
    "message": "Access is denied",
    "path": "/teacher/dashboard"

http
        .authorizeRequests()
        .antMatchers("/").permitAll()
        .antMatchers("/login").permitAll()
        .antMatchers("/api/register").permitAll()
        .antMatchers("/teacher/**").hasRole("TEACHER")
        .anyRequest().authenticated()

        .and()
        .formLogin()
        .loginPage("/login")
        .permitAll()

        .and()
        .logout()
        .permitAll();
http
        .csrf().disable();
http
        .formLogin()
        .defaultSuccessUrl("/", true)

        .and()
        .addFilterBefore(new SimpleCorsFilter(), ChannelProcessingFilter.class)

        .addFilter(new JWTAuthenticationFilter(authenticationManager()))
        .addFilter(new JWTAuthorizationFilter(authenticationManager()));

{
  "sub": "org.springframework.security.core.userdetails.User@394ca6ef: Username: teacher@postman.com; Password: [PROTECTED]; Enabled: true; AccountNonExpired: true; credentialsNonExpired: true; AccountNonLocked: true; Granted Authorities: ROLE_TEACHER",
  "exp": 1508704641
}