Use h2 database console with SpringBoot and SpringSecurity

SecurityConfig.java

public class SecurityConfig extends WebSecurityConfigurerAdapter {
    ...

    @Override
    public void configure(HttpSecurity httpSecurity) throws Exception {
        httpSecurity.authorizeRequests()
                .antMatchers("/login/**").permitAll()
                .antMatchers("/login").permitAll()
                .antMatchers("/h2/**").permitAll()    // here
                .antMatchers("/**").authenticated()
                .and()
                    .formLogin()
                        .loginPage("/login/form")
                        .loginProcessingUrl("/login")
                        .defaultSuccessUrl("/")
                        .failureUrl("/login/form?error=true")
                        .usernameParameter("id")
                        .passwordParameter("password")
                .and()
                    .headers()    // here
                        .frameOptions()
                            .disable()
                .and()
                    .csrf()       // here
                        .ignoringAntMatchers("/h2/**")
                .and()
                    .logout();
    }
}