类型 异常报告
消息 org.apache.jasper.JasperException: 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.apache.jasper.JasperException: org.apache.jasper.JasperException: java.lang.NullPointerException org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:582) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:488) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:383) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:331) javax.servlet.http.HttpServlet.service(HttpServlet.java:583) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51) com.qiangxin.action.productDetail.service(productDetail.java:58) javax.servlet.http.HttpServlet.service(HttpServlet.java:583) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
根本原因。
org.apache.jasper.JasperException: java.lang.NullPointerException org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:582) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:498) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:383) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:331) javax.servlet.http.HttpServlet.service(HttpServlet.java:583) org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:906) org.apache.jsp.view.product_005fdetail_jsp._jspService(product_005fdetail_jsp.java:160) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) javax.servlet.http.HttpServlet.service(HttpServlet.java:583) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:465) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:383) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:331) javax.servlet.http.HttpServlet.service(HttpServlet.java:583) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51) com.qiangxin.action.productDetail.service(productDetail.java:58) javax.servlet.http.HttpServlet.service(HttpServlet.java:583) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
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