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JSP Exception 500 Error
Hi


i got the following error when I try to do the ticket enquiry in my form

I am Using JBoss4.0.2


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: /tsnreportview.jsp:99

96:
97: <% ArrayList l = null;
98:
99: l = new
ArrayList(tsnlista.doSelectTsn(Tdays,dtsn,Game_id,difdays));
100: for (int j=0; j < l.size(); j++) {
101:
tsnlistb=(com.gameteclabs.web.beans.TsnreportBean)l.get(j);
102: }


Stacktrace:


org.apache.jasper.servlet.JspServletWrapper.handleJspException JspServletWra pper.java:504)


org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:3
93)

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:810)


org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.ja
va:96)

root cause

java.lang.NullPointerException


com.gameteclabs.web.beans.TsnreportApplicationService.doSelectTsn(TsnreportA
pplicationService.java:97)

org.apache.jsp.tsnreportview_jsp._jspService(tsnreportview_jsp.java:275)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
javax.servlet.http.HttpServlet.service(HttpServlet.java:810)


org.apache.jasper.servlet.JspServletWrapper.serviceJspServletWrapper.java:3
32)

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:810)


org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.ja
va:96)

note The full stack trace of the root cause is available in the Apache
Tomcat/5.5.17 logs.

_____


Apache Tomcat/5.5.17




Vinay Naidu
What is tsnlista ? It's null.
Sorry, tsnlista is not null.
you should check line 97 of TsnreportApplicationService.java to find out what is missing.
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