HTTP状态 500 - 内部服务器错误


类型 异常报告

消息 Request processing failed; nested exception is java.lang.NullPointerException

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

org.springframework.web.util.NestedServletException: Request processing failed; nested exception is java.lang.NullPointerException
	org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:948)
	org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:827)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:655)
	org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:812)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:764)
	org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:77)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	com.alibaba.druid.support.http.WebStatFilter.doFilter(WebStatFilter.java:123)
	com.zzint.common.web.filter.XssFilter.doFilter(XssFilter.java:22)
	org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)

根本原因。

java.lang.NullPointerException

):注意 主要问题的全部 stack 信息可以在 server logs 里查看


Apache Tomcat/8.5.73