H2-コンソールは私の春のブートアプリケーションで

Question

が、私は以下の依存関係を追加した表示されません。 URI：

http://localhost:8080/h2-console/login.do?jsessionid=cfc3b5595b531203d92134205e16127e 

これは、と文句を言う：

Whitelabel Error Page 

This application has no explicit mapping for /error, so you are seeing this as a fallback. 

    Wed Sep 27 03:37:52 GMT-12:00 2017 
    There was an unexpected error (type=Not Found, status=404). 
    No message available 

のはなぜh2-consoleへのアクセス権を持っていないのですか？

Answer 1

プロジェクトで次の設定クラスを追加し、もう一度やり直してください。

import org.h2.server.web.WebServlet; 
import org.springframework.boot.web.servlet.FilterRegistrationBean; 
import org.springframework.boot.web.servlet.ServletContextInitializer; 
import org.springframework.boot.web.servlet.ServletRegistrationBean; 
import org.springframework.context.annotation.Bean; 
import org.springframework.context.annotation.Configuration; 
import org.springframework.web.filter.ShallowEtagHeaderFilter; 

import javax.servlet.DispatcherType; 
import javax.servlet.ServletContext; 
import javax.servlet.ServletException; 
import java.util.EnumSet; 

@Configuration 
public class WebConfiguration { 

    private static final String mapping = "/console/*"; 

    @Bean 
    public ServletRegistrationBean h2servletRegistration(){ 
     ServletRegistrationBean registrationBean = new ServletRegistrationBean(new WebServlet()); 
     registrationBean.addUrlMappings(mapping); 
     return registrationBean; 
    } 

    @Bean 
    public FilterRegistrationBean shallowEtagHeaderFilter() { 
     FilterRegistrationBean registration = new FilterRegistrationBean(); 
     registration.setFilter(new ShallowEtagHeaderFilter()); 
     registration.setDispatcherTypes(EnumSet.allOf(DispatcherType.class)); 
     registration.addUrlPatterns(mapping); 
     return registration; 
    } 

    @Bean 
    public ServletContextInitializer initializer() { 
     return new ServletContextInitializer() { 

      @Override 
      public void onStartup(ServletContext servletContext) throws ServletException { 
       servletContext.setInitParameter("p-name", "-value"); 
      } 
     }; 
    } 
}