/*
 * Copyright 2016 LINE Corporation
 *
 * LINE Corporation licenses this file to you under the Apache License,
 * version 2.0 (the "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at:
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations
 * under the License.
 */

package com.example.bot.spring;

import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.ViewControllerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;

import lombok.extern.slf4j.Slf4j;

@Configuration
@Slf4j
public class KitchenSinkWebMvcConfigurer extends WebMvcConfigurerAdapter {
    @Override
    public void addResourceHandlers(ResourceHandlerRegistry registry) {

        String downloadedContentUri = KitchenSinkApplication.downloadedContentDir
                .toUri().toASCIIString();
        log.info("downloaded dir: {}", downloadedContentUri);
        registry.addResourceHandler("/downloaded/**")
                .addResourceLocations(downloadedContentUri);
        registry.addResourceHandler("/static/**")
                .addResourceLocations("classpath:/static/");
    }
    
    @Override
    public void addViewControllers(ViewControllerRegistry registry) {
        registry.addViewController("/").setViewName("home");
        registry.addViewController("/login").setViewName("login");
    }
}

@@ -1739,70 +1739,8 @@
  %7B%0D%0A
-        registry.addViewController(%22/%22).setViewName(%22home%22);%0D%0A
     

Test again