Whitelabel Error Page
This application has no explicit mapping for /error, so you are seeing this as a fallback.
Tue Mar 28 22:25:43 CST 2017
There was an unexpected error (type=Internal Server Error, status=500).
Circular view path [login]: would dispatch back to the current handler URL [/login] again. Check your ViewResolver setup! (Hint: This may be the result of an unspecified view, due to default view name generation.)
首先，这个出错页面是SpringBoot的一个默认出错页面。源码在：org.springframework.boot.autoconfigure.web.servlet.error.ErrorMvcAutoConfiguration 第151行。
这种错误一般是配置错误，或者MVC报错引起的错误。
比如说，在newer versions of Spring, following needs to be put in application.properties file:
spring.mvc.view.prefix=/WEB-INF/jsp/
spring.mvc.view.suffix=.jsp
Also, JSP files need to be put under src/main/resources/META-INF/resources/WEB-INF/jsp
推荐直接使用java代码配置的方式，这样方便看代码：
package com.restfiddle.config;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.ViewResolverRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
/**
* Created by jack on 2017/3/28.
*
* @author jack
* @date 2017/03/28
*/
@Configuration
public class WebMvcConfig extends WebMvcConfigurerAdapter {
@Override
public void configureViewResolvers(ViewResolverRegistry registry) {
//spring.view.prefix=/WEB-INF/jsp/
//spring.view.suffix=.jsp
registry.jsp("/WEB-INF/jsp/", ".jsp");
//registry.freeMarker();
//registry.velocity();
//registry.groovy();
}
}
问题参考：
