Spring Security：升级Spring Boot后，需要完全认证才能访问此资源

Question

我从Spring Boot 1.5.x升级=> 2.2.2，现在我的HttpSecurity无法正常工作。我无法访问/admin/login（自定义登录页面）甚至/robots.txt。我希望仅在/api/v2/*上启用OAuth（并在/oauth/token上启用HTTP基本认证）。它提供了XML错误页面

<oauth>
<error_description>
Full authentication is required to access this resource
</error_description>
<error>unauthorized</error>
</oauth>

我有

String[] securedPaths = new String[] {
        "/api/v2/*"
};

@Override
public void configure(HttpSecurity http) throws Exception{

    http.authorizeRequests()
        .antMatchers(securedPaths).authenticated()
    .and()
        .httpBasic();   

我尝试过

    http.authorizeRequests()
        .antMatchers(securedPaths).authenticated();

和

    http.authorizeRequests()
        .antMatchers(securedPaths).authenticated()
        .antMatchers("/**").permitAll();

但这没用。