Help 500 servlet exception

How do I solve this problem?

500 Servlet Exception

java.lang.NullPointerException

at _ui._error__jsp._jspService(/SSO/ui/error.jsp:14)

at com.caucho.jsp.JavaPage.service(JavaPage.java:74)

at com.caucho.jsp.Page.subservice(Page.java:485)

at com.caucho.server.http.FilterChainPage.doFilter(FilterChainPage.java:179)

at com.caucho.server.http.Invocation.service(Invocation.java:288)

at com.caucho.server.http.CacheInvocation.service(CacheInvocation.java:132)

error.jsp contains the following:

<%@page language="java" session="false" import="com.infy.bbu.sso.common.SSOConstants, java.util.ResourceBundle, com.infy.bbu.sso.utils.SSOResourceManager, com.infy.bbu.sso.config.SSOConfig"%>

<%@ page contentType="text/html; charset=utf-8" %>

<%

String langCode = request.getParameter(SSOConstants.PARAM_LANG);

SSOResourceManager manager = new SSOResourceManager();

if(SSOConfig.isEmpty()) SSOConfig.loadConfig();

ResourceBundle rb = manager.getResourceBundle(application, SSOConfig.get(SSOConstants.SSO_RB_APP_NAME),langCode);

%>

<html>

<head>

<meta http-equiv="Content-Type" content="text/html;charset=utf-8">

<title><%=rb.getString("SSO_ERROR_PAGE_TITLE")%></title>

<script type='text/javascript' src='javascripts/ssodomain.js'></script>

<script type='text/javascript' src='javascripts/SSOUIProperties_<%=langCode%>.js'></script>

<link rel="stylesheet" href="sso.css">

</head>

<body>

<table border="0" cellspacing="0" cellpadding="0" class="dummy" vspace="0" hspace="0">

<tr bgcolor="#000000">

<td height="22"><img src="images/adminbanner.jpg" width="353" height="52" vspace="0" hspace="0" border="0"></td>

</tr>

</table>

<table border="0" cellspacing="0" cellpadding="0">

<tr>

<td>

<h1> </h1>

</td>

<td>

<h1>

</h1>

<span class="tabletext"> <%= request.getParameter(SSOConstants.PARAM_ERROR_MSG)%>


<a href="INFENG/LoginPage.jsp?<%=SSOConstants.PARAM_LANG%>=<%=langCode%>"> Login </a>

</span></td>

</tr>

</table>

</body>

</html>

at com.caucho.server.http.ServletServer.serviceTop(ServletServer.java:937)

at com.caucho.server.http.HttpRequest.handleRequest(HttpRequest.java:213)

at com.caucho.server.http.HttpRequest.handleConnection(HttpRequest.java:158)

at com.caucho.server.TcpConnection.run(TcpConnection.java:140)

at java.lang.Thread.run(Thread.java:534)

--

Resin 2.0.5 (built Fri Jan 11 08:29:05 PST 2002)

line 14 is in bold.

[2980 byte] By [babatimileyina] at [2007-10-3 2:51:47]
# 1
Well, rb is obviously null. Something doesn't seem to be able to find the resources.
CeciNEstPasUnProgrammeura at 2007-7-14 20:40:41 > top of Java-index,Java Essentials,Java Programming...
# 2
thanx. It is that 'something' i am trying to find and can't think of where to start.The resoucre bundle is in E:\Resin\webapps\SSO\WEB-INF\resource\SSOResource_INFENG.properties.I'm a bit confused.
babatimileyina at 2007-7-14 20:40:41 > top of Java-index,Java Essentials,Java Programming...