how to solve exception in jsp?

**gb.rashu** · 08-05-2010, 12:43 PM

Hello,
I am new to Jsp. am doing SMS application using Jsp, getting exception in the follwing code.. am not getting how to solve this error.

can u anyone tel me solution for this? .am waiting for ue reply.:confused:

<%@ taglib uri="/tags/struts-html" prefix="html"%>
<%@ taglib uri="/tags/struts-bean" prefix="bean"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html:html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<title>SMS Application Home Page</title>
<style type="text/css">
body {
margin-left: 0px;
margin-top: 0px;
margin-right: 0px;
margin-bottom: 0px;
}
.style1 {
font-family:Verdana, Arial, Helvetica, sans-serif;
font-size:11px;
}
.headingStyle {
color:#12447D; font-size:18px; font-weight:bold;
}

a:active {
text-decoration: none;
}
a:link {
text-decoration: none;
}
a:visited {
text-decoration: none;
}
a:hover {
text-decoration: none;
}
a.linkMenu {
background-color:#999999;
border: 2px solid;
border-radius-topright: .5em;
border-radius-bottomright: .5em;
padding: .5em;
z-index: 101;
color:#FFFFFF;
font-size:13px;
font-weight:bold;
position:fixed;
}
</style>

<script language="javascript">
function showMessagesLeft(){
if( document.getElementById('MsgsLeft').value <= 25 ) {
alert("Please intimate to admin \n only few messages are exist!...");
return false;
}
}
</script>

</head>
<body onload="showMessagesLeft();">
<%@ page import="com.eft.globals.apps.dataaccess.DBAccess"% >
<%@ page import="java.sql.ResultSet"%>
<%@ page import="java.sql.SQLException"%>
<%@ page import="java.io.*,java.net.*,java.util.StringToken izer"%>
<%! String username="";%>
<%
HttpSession ses=request.getSession(true);
username=(String)ses.getAttribute("username");
String Designation=(String)ses.getAttribute("Designation" );
//out.println(Designation);

if(username!=null)
{
%>
<form styleId="userCreatFrm">
<% ses.setAttribute("username",username);
String empMail_Id="",empPhone="";
try{
DBAccess dba = new DBAccess();
String Username=dba.getSMSUsername();
String password=dba.getSMSPassword();

String strurl=" http://202.71.152.238/desk2web/CreditCheck.aspx?Username="+Username+"&Password="+ password+" ";
// out.println("Url; "+strurl);
URL url = new URL(strurl);
HttpURLConnection connection =(HttpURLConnection) url.openConnection();
connection.setDoInput(true);
connection.setDoOutput(true);
connection.setUseCaches(false);
connection.connect();
InputStream inStream = connection.getInputStream();
BufferedReader input =
new BufferedReader(new InputStreamReader(inStream));
String line = "",Line1="";
while ((line = input.readLine()) != null){
Line1=Line1+line;
}
int LineLength=Line1.length();
String MessagesLeft=Line1.substring(7,12);
int TotlMsgs = Integer.parseInt(MessagesLeft);
String MessagesUsed=Line1.substring(20,LineLength);
// out.println("Total Messages are "+TotlMsgs);
// out.println("<br>Line: "+MessagesUsed);
StringTokenizer stoken = new StringTokenizer(MessagesUsed,"'");
int MsgsUsed=Integer.parseInt(stoken.nextToken());
// out.println("<br> Messages Used: "+MsgsUsed);
long MsgsPresent=TotlMsgs-MsgsUsed;
// out.println("<br>Messages Left: "+MsgsPresent);
%>
<input type="hidden" name="MsgsLeft" id="MsgsLeft" value="<%=MsgsPresent%>"/>

<html:hidden property="loginUserName" value="<%=username%>"/>
<table width="780" align="center" bgcolor="#E8E8E8" class="style1" cellpadding="0">
<tr>
<td colspan="6" valign="top"><img src="/efort/gui/images/SMS_Application1-.jpg" width="780" height="150" border="0"/></td>
</tr>
<tr>
<td width="766" height="412" valign="top"> 
<table width="760" align="center" cellpadding="2">
<tr align="right" height="5%">
<td colspan="3" align="right">
<a href="/efort/gui/jsp/Efort_New_Home.jsp"><b>Home</b></a> 
<a href="/efort/gui/jsp/Logout.jsp"><b>Logout</b></a></td>
</tr>
<tr align="center">
<td colspan="3" align="center"class="headingStyle">Welcome to SMS Applications </td>
</tr>
<tr> <td colspan="3" align="right"><b><% out.println("Messages: "+MsgsUsed+" Used, "+MsgsPresent+" Left ");%></b></td> </tr>
<tr> <td colspan="3" valign="middle"> </td> </tr>
<%
if(username.equals("admin")){ %> 
<tr> <td height="42" colspan="4" align="center">
<a href="/efort/gui/jsp/SMS/UserCreatedList.jsp" class="linkMenu">  UserCreation &nb sp; </a>
</td>
</tr>
<% }else{
try{

dba.connect();
String query="select usr.emp_MailId,usr.emp_phone from user_created_sms as usr where usr.emp_id='"+username+"'";
ResultSet rs =dba.executeQuery(query);
if(rs.next()){
empMail_Id=rs.getString("usr.emp_MailId");
empPhone=rs.getString("usr.emp_phone");
ses.setAttribute("empMail_Id",empMail_Id); // set the login user email id...
ses.setAttribute("empPhone",empPhone); // set the login user phone number...
%>
<tr> <td colspan="4" height="42" align="center">
<a href="/efort/gui/jsp/SMS/SMS_Sending.jsp" class="linkMenu">     &nb sp;    SMS   &n bsp;       &nbs p;</a></td>
</tr>

<tr> <td colspan="4" height="40" align="center">
<a href="/efort/gui/jsp/SMS/AddressBookPage.jsp" class="linkMenu">  Address Book   </a></td>
</tr>

<tr> <td colspan="4" height="36" align="center">
<a href="/efort/gui/jsp/SMS/SMS_TrackingPage.jsp" class="linkMenu">     &nb sp; Tracker     &nbs p;   </a></td>
</tr>

<tr> <td colspan="4" height="38" align="center">
<a href="/efort/gui/jsp/SMS/VerificationPhoneListPage.jsp" class="linkMenu"> Verification List </a></td>
</tr>
<tr>
<td colspan="4" height="39" align="center">
<a href="/efort/gui/jsp/SMS/SMS_DeletedInfoList.jsp" class="linkMenu">Deleted SMS List</a></td>
</tr>
<tr>
<td colspan="4" height="39" align="center">
<a href="/efort/gui/jsp/SMS/SMS_UsersDeletedInfoList.jsp" class="linkMenu">Deleted Phone Numbers List</a></td>
</tr>
<%} else{ %>
<tr align="center">
<th colspan="3" align="center"><font color="#3366FF">You are not able to access this application, Please contact administration</font> </th>
</tr>
<%
} // end of else part...
}catch(SQLException se){
System.out.println("Error: "+se);
} // end of catch block...

} // end of else part other than admin condition...

%>
<tr> <td colspan="4" align="center"> </td> </tr>
</table>

</td>
</tr>
<tr> <td colspan="4" height="18"align="center" bgcolor="#CBD49E">CopyRight @2007</td> </tr>
</table>
<% }
catch(java.net.ConnectException e){
out.println("NO Internet available"+e);
}
%>
</form>
<% } else{ out.println("<br><br><br><center><h1>Access denied <br>Please login....<a href='/efort/gui/jsp/Logout.jsp'>Login</a></h1>");
}%>
</body>
</html:html>

**Eranga** · 08-05-2010, 12:51 PM

Can you post the complete error message here to see?

**gb.rashu** · 08-05-2010, 01:02 PM

Hello,
this is the Error Message .

message

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

exception

org.apache.jasper.JasperException: For input string: "PE ht"
org.apache.jasper.servlet.JspServletWrapper.handle JspException(JspServletWrapper.java:510)
org.apache.jasper.servlet.JspServletWrapper.servic e(JspServletWrapper.java:393)
org.apache.jasper.servlet.JspServlet.serviceJspFil e(JspServlet.java:314)
org.apache.jasper.servlet.JspServlet.service(JspSe rvlet.java:264)
javax.servlet.http.HttpServlet.service(HttpServlet .java:802)
org.owasp.filters.filter.doFilter(filter.java:104)

root cause

java.lang.NumberFormatException: For input string: "PE ht"
java.lang.NumberFormatException.forInputString(Num berFormatException.java:48)
java.lang.Integer.parseInt(Integer.java:447)
java.lang.Integer.parseInt(Integer.java:497)
org.apache.jsp.gui.jsp.SMS.SMS_005fHomePage_jsp._j spService(org.apache.jsp.gui.jsp.SMS.SMS_005fHomeP age_jsp:176)
org.apache.jasper.runtime.HttpJspBase.service(Http JspBase.java:97)
javax.servlet.http.HttpServlet.service(HttpServlet .java:802)
org.apache.jasper.servlet.JspServletWrapper.servic e(JspServletWrapper.java:332)
org.apache.jasper.servlet.JspServlet.serviceJspFil e(JspServlet.java:314)
org.apache.jasper.servlet.JspServlet.service(JspSe rvlet.java:264)
javax.servlet.http.HttpServlet.service(HttpServlet .java:802)
org.owasp.filters.filter.doFilter(filter.java:104)

note The full stack trace of the root cause is available in the Apache Tomcat/5.0.28 logs.

--------------------------------------------------------------------------------

Apache Tomcat/5.0.28

**Eranga** · 08-05-2010, 01:08 PM

Did you read the compete error message.

java.lang.NumberFormatException: For input string: "PE ht"
java.lang.NumberFormatException.forInputString(Num berFormatException.java:48)

**gb.rashu** · 08-05-2010, 01:20 PM

Originally Posted by Eranga

Did you read the compete error message.

Thanks for the response.
Yes i read complete error message. but it is Jsp file .it is number format exception. i imported
<%@ page import="com.eft.globals.apps.dataaccess.DBAccess"% > java file. first time it works now it is throwing exception.. how to solve this?

**Eranga** · 08-06-2010, 05:36 AM

Somehow an invalid number retrieve from the database. Easiest way I guess is to check on the database data fields. Or else you've debug the code separately, bit of work to do then.

**gb.rashu** · 08-06-2010, 08:30 AM

Thank You.. i will try once :-)

**Tolls** · 08-06-2010, 09:23 AM

And now for my usual entry into these things...don't mix display and business logic. That is the JSP page should only be about displaying stuff handed to it via a servlet which does the actual work. In your case the servlet would do the db work, leaving the JSP to simply access the processed data and not ResultSets or Connections or Statements.

**gb.rashu** · 08-06-2010, 01:34 PM

Thank You. i did copy and paste same file into the new file . Now it is Executing Successfully.
Thank You to all.. Ur Tips r helps a lot :-):-)

**Eranga** · 08-06-2010, 05:04 PM

Originally Posted by Tolls

And now for my usual entry into these things...don't mix display and business logic. That is the JSP page should only be about displaying stuff handed to it via a servlet which does the actual work. In your case the servlet would do the db work, leaving the JSP to simply access the processed data and not ResultSets or Connections or Statements.

That's the advantage of having a well define design. All have to do with OO, isn't it.

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