@Override
    protected void configure(HttpSecurity http) throws Exception {
        http.csrf().disable().httpBasic().authenticationEntryPoint(basicAuthEntryPoint).and().authorizeRequests().anyRequest().authenticated();
        http.sessionManagement().sessionCreationPolicy(SessionCreationPolicy.STATELESS);
    }
    @Override
    public void configure(AuthenticationManagerBuilder auth) throws Exception {
        auth.inMemoryAuthentication()
                .withUser("samim")
                .password(getPasswordEncoder().encode("samimjan"))
                .authorities("ROLE_USER");
    }  

@Override
  public void commence(HttpServletRequest request, HttpServletResponse response, AuthenticationException authEx)
          throws IOException {
      JSONObject resultMap = new JSONObject();
      resultMap.put("success",false);
      resultMap.put("timestamp",new Date().getTime());
      resultMap.put("status","403");
      resultMap.put("error",authEx.getMessage());
      resultMap.put("path",request.getRequestURI());

      response.setContentType("application/json;charset=UTF-8");
      response.setStatus(HttpServletResponse.SC_UNAUTHORIZED);

      response.getWriter().write(resultMap.toString());

  }