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JavaRanch » Java Forums » Frameworks » Struts
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Author

org.apache.jasper.JasperException: java.lang.NullPointerException

Paari Revo
Greenhorn

Joined: Jun 05, 2012
Posts: 2
org.apache.jasper.JasperException: java.lang.NullPointerException
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:502)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:430)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)


root cause

java.lang.NullPointerException
org.apache.struts.config.impl.ModuleConfigImpl.findActionConfig(ModuleConfigImpl.java:332)
org.apache.struts.taglib.html.FormTag.lookup(FormTag.java:757)
org.apache.struts.taglib.html.FormTag.doStartTag(FormTag.java:443)
org.apache.jsp.web.jsp.HiTech_005fLogin_jsp._jspx_meth_html_005fform_005f0(HiTech_005fLogin_jsp.java:185)
org.apache.jsp.web.jsp.HiTech_005fLogin_jsp._jspx_meth_html_005fhtml_005f0(HiTech_005fLogin_jsp.java:138)
org.apache.jsp.web.jsp.HiTech_005fLogin_jsp._jspService(HiTech_005fLogin_jsp.java:100)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:388)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)



This is my CODE:
Donno hw to resolve:

<%--JSP for Login --%>
<%--this is the first page, it contains login and password text fields and login button --%>



<%@ page session="true" %>
<%
response.setHeader("Pragma","no-cache"); // HTTP 1.0
response.setHeader("Cache-Control","no-store"); // HTTP 1.1
response.setDateHeader("Expires", 0);

%>
<%@ taglib uri="/tags/struts-html" prefix="html" %>
<%@ taglib uri="/tags/struts-bean" prefix="bean" %>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html:html>
<head>
<script>
window.history.forward(1);
</script>
<link rel=stylesheet href="/HitechEngineers/web/css/common.css" type="text/css" />
<link rel=stylesheet href="/HitechEngineers/web/css/main.css" type="text/css" />
<title>HITECH ENGINEERING (Base From LEE) - Login Page</title>
<script type="text/javascript">
function login()
{

document.forms[0].module.value="login";
document.forms[0].action="valid.do";
document.forms[0].method="post";
}

function resetall()
{
document.forms[0].module.value="reset";
document.forms[0].action="valid.do";
document.forms[0].method="post";
}
</script>
</head>

<logic:notEmpty name="userName" scope="session">
<body>
<!-- form started -->
<html:form action="/valid.do" method="Post" >

<table class="DefaultTable" width="95%" border="0" align="center" cellpadding="0" cellspacing="0" bordercolor="#BFD5FEA">
<tr>
<table class="DefaultTable" width="100%" border="0" cellpadding="0" cellspacing="0" bordercolor="#BFD5EA">
<tr>
<td width="10%"><img src="/HitechEngineers/web/images/inner01.jpg" width="136" height="102" ></td>
<td width="33%" bgcolor="#294062"><div align="center">
<table class="DefaultTable" width="100%" border="0" cellpadding="0" cellspacing="0" bordercolor="#294062">
<tr>
<td width="14%"> </td>
<td width="78%"><font size="3" face="Verdana" color="#990000"> </font></td>
</tr>
<tr>
<td> </td>
<td><font size="4" face="Verdana" color="#FFFFFF"><b>HitechEngineers (Base From LEE)</b></font></td>
</tr>
<tr>
<td> </td>
<td><font size="2" face="Verdana" color="#990000"> </font></td>
</tr>
</table>
<html:hidden property="module" value=""/>
<font size="3" face="Verdana" color="#990000"><b> </b></font></div></td>
<td width="57%" bgcolor="#294062"><table width="59%" border="0" cellspacing="0" cellpadding="0">
<tr>
<td width="27%"> </td>
<td width="73%"><font size="3" face="Verdana" color="#990000"> </font></td>
</tr>
<tr>
<td> </td>
<td><font size="2" face="Verdana" color="#FFFFFF"> </font></td>
</tr>
<tr>
<td> </td>
<td><font size="1" face="Verdana" color="#FFFFFF"> </font></td>
</tr>
</table></td>
</tr>
</table>
<table width="100%" border="0"><tr>
<td height="31"></td>
</tr></table>

<table width="92%" border align="center" cellpadding="0" cellspacing="0" bordercolor="#BFD5EA" color="cccccc">
<tr>
<td width="326"><img src="/HitechEngineers/web/images/welcome1.jpg" width="600" height="400" ></td>
<td width="627">
<table border="0" align="center">
             
<font face="Italic" size="2" color="red"><b>
<html:messages id="logout" message="true" property="logout">
<bean:write name="logout"/></html:messages></b></font>
<tr><td><center><font face="Italic" size="2" color="red"><b> <html:errors/>
<font color="red"><html:messages id="returnMsg" message="true" property="returnRecords">
<bean:write name="returnMsg"/></html:messages></b></font></center>
</td></tr>

<tr>
<td width="375" align="center"><font size="6" face="Verdana" color="#0C285F">HitechEngineers</font></td>
</tr>
<tr>
<td align="center"><table width="97%" height="146" border="0" cellpadding="0" cellspacing="0">
<tr>
<td width="34%"> </td>
<td width="2%"> </td>
<td width="46%"><font size="3" face="Verdana" color="#990000"> </font></td>
</tr>
<tr>
<td>        <b><font color="#000033" size="2" face="Verdana"><bean:message key="user.msg"/><FONT SIZE="1" COLOR="#FF0000">*</FONT> </font></b></td>
<td> </td>

<td><html:text property="userName" maxlength="6" size="31"/></td>

</tr>
<script>

document.loginForm.userName.focus();
</script>
<tr></tr>
<tr>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr>
<td>        <b><font color="#000033" size="2" face="Verdana">Password<FONT SIZE="1" COLOR="#FF0000">*</FONT> </font></b></td>
<td> </td>
<td><html:password property="password" maxlength="20" size="40"/></td>
</tr>
<tr>
<td align="right"> </td>
<td> </td>
<td> </td>
</tr>
<tr>
<td align="right"> </td>
<td> </td>
<!-- submit button for login button -->
<td><html:submit value="login" styleClass="Button" onclick="login()"/>
<!-- submit button for clear button -->
<html:submit value="Clear" styleClass="Button" onclick="resetall()" /></td>
</tr>


</table>

<tr>
<tr></tr>
<tr></tr>
<tr></tr>
<tr></tr>
<tr></tr><tr></tr><tr></tr><tr></tr>
<td align="center"><font color="red" size="2" />           <span class="required">* Mandatory Fields</span></font></td>
</tr>

</td>
</tr>

</table>
</td>
</tr>
</table>
</html:form>
</BODY>
</logic:notEmpty>
</html:html>

thor aniket
Ranch Hand

Joined: Jan 21, 2012
Posts: 40

Please include that code in proper tags so that it'll be more readable and will likely to get an suggestions.
Make sure that your struts.xml contains proper mapping and action class implements required interfaces you've implemented and all..



 
It is sorta covered in the JavaRanch Style Guide.
 
subject: org.apache.jasper.JasperException: java.lang.NullPointerException