java.lang.NullPointerException 怎么改
type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
org.apache.jasper.JasperException: Exception in JSP: /WebRoot/addto.jsp:29
26: String e_politicsvisage =new String(request.getParameter("politicsvisage").trim().getBytes("ISO8859-1"),"UTF-8");
27: String e_schoolage =new String(request.getParameter("schoolage").trim().getBytes("ISO8859-1"),"UTF-8");
28: String e_enterdata =new String(request.getParameter("enterdata").trim().getBytes("ISO8859-1"),"UTF-8");
29: String e_depatement =new String(request.getParameter("dapatement").trim().getBytes("ISO8859-1"),"UTF-8");
30: String e_headship =new String(request.getParameter("headship").trim().getBytes("ISO8859-1"),"UTF-8");
31:
32: String sql = "insert into employeeinformation values('"+e_id+"','"+e_name+"','"+e_sex+"','"+e_birthday+"','"+e_address+"','"+e_phone+"','"+e_politicsvisage+"','"+e_schoolage+"','"+e_enterdata+"','"+e_depatement+"','"+e_headship+"')";
Stacktrace:
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:504)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:393)
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.WebRoot.addto_jsp._jspService(addto_jsp.java:80)
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:332)
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)
note The full stack trace of the root cause is available in the Apache Tomcat/5.5.17 logs.
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