my jsp page shows the following error. How to overcome this issue?

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

exception

org.apache.jasper.JasperException: An exception occurred processing JSP page /hayat/eng/careers/jobList.jsp at line 49

46: <div id="mainContent">
47: <div id="leftSide">
48: <div id="logo"><h1><a href="../../../hayat/index.jsp"><span>Hayat Communications</span></a></h1></div>
49: <div id="navigation"><!-- --><HC:CNavigationTag navType="left" /></div>
50: </div>
51: <div id="rightSide">
52: <div id="header">


Stacktrace:
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:567)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:471)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:389)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:333)
javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
utilClassesV3.CompressionFilter.doFilter(CompressionFilter.java:222)

root cause

java.lang.NullPointerException
adminV3.MyHttpServlet.getConnection(MyHttpServlet.java:226)
tags.CNavigationTag.doStartTag(CNavigationTag.java:36)
org.apache.jsp.hayat.eng.careers.jobList_jsp._jspx_meth_HC_005fCNavigationTag_005f0(jobList_jsp.java:217)
org.apache.jsp.hayat.eng.careers.jobList_jsp._jspService(jobList_jsp.java:131)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:433)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:389)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:333)
javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
utilClassesV3.CompressionFilter.doFilter(CompressionFilter.java:222)