jsp连SQL出现异常

来源：百度知道编辑：UC知道时间：2024/05/16 06:14:33

type Exception report

message

description The server encountered an internal error () that prevented it from fulfilling this request.

exception

org.apache.jasper.JasperException
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:370)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)

root cause

java.lang.NullPointerException
org.apache.jsp.dazahui.danbiao.xindiv_jsp._jspService(org.apache.jsp.dazahui.danbiao.xindiv_jsp:94)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:322)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:3

报空指针错误，看你的tomcat\work\Catalina\localhost\_\org\apache\jsp\danbiao.xindiv_jsp:94行指在什么地方，应该是有个对象还是Null时，你就用了它。

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