javax.servlet.ServletException: Circular view path [user]: would dispatch back to the current handler URL [/user] again. Check your ViewResolver setup! (Hint: This may be the result of an unspecified view, due to default view name generation.)

at org.springframework.web.servlet.view.InternalResourceView.prepareForRendering(InternalResourceView.java:209)

at org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel(InternalResourceView.java:147)

at org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:314)

at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1325)

at org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1069)

at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1008)

at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:925)

at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:974)

at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:877)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:661)

at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:851)

完成用户注册时遇见的问题