springboot出现问题javax.servlet.ServletException: Circular view path ……

原因:

没有将返回结果转换成json格式。

解决办法:

方法1. 方法头上添加注解:@responsebody
方法2. 把controller类上的@controller换成@restcontroller

看完有用请点赞

类型 异常告 消息 Circular view path [users]: would dispatch back to the current handler URL [/users] again. Check your ViewResolver setup! (Hint: This may be the result of an unspecified view, due to default view name generation.) 描述 服务器遇到一个意外的情况,阻止它完成请求。 例外情况 javax.servlet.ServletException: Circular view path [users]: would dispatch back to the current handler URL [/users] again. Check your ViewResolver setup! (Hint: This may be the result of an unspecified view, due to default view name generation.) org.springframework.web.servlet.view.InternalResourceView.prepareForRendering(InternalResourceView.java:210) org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel(InternalResourceView.java:148) org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:316) org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1401) org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1145) org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1084) org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:963) org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006) org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:898) javax.servlet.http.HttpServlet.service(HttpServlet.java:529) org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883) javax.servlet.http.HttpServlet.service(HttpServlet.java:623) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51) org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201) org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117) ):注意 主要问题的全部 stack 信息可以在 server logs 里查看
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