error « Tomcat « JSP-Servlet Q&A

1. Error with Tomcat 6 and Tomcat 5.5 Incompatibility

I developed a Tomcat application using Tomcat 6 for testing. I have now deployed it to Tomcat 5.5 - when I invoke the servlet I get an error which doesn't make ...

2. Basic Tomcat Servlet error

package mypackage;


import javax.servlet.http.*;
import javax.servlet.*;

public class Hello extends HttpServlet {
  public void doGet (HttpServletRequest req,

3. encounter "Error configuring application listener of class org.directwebremoting.servlet.DwrListener"

i found the error of "Error configuring application listener of class org.directwebremoting.servlet.DwrListener" when deploying application using dwr in tomcat6. Here is my web.xml

<display-name>DWR (Direct Web Remoting)</display-name>
  <description>A Simple Demo DWR</description>

4. Error in Tomcat Server while reading JSP file

I have placed Commonsfileuploadservlet folder inside webapps. And inside that folder i have written upload.jsp After switching on the tomcat server, while attempting to run the jsp file, the below error comes ...

5. Error: Wrapper cannot find servlet class VendorRegistration or a class it depends on

I'm a newb whose also been searching for a solution to the same problem. I've followed the steps that the Elite Gentleman and Bozho outlined here. So first of all, ...

6. Getting error in j2ee application deployed in tomcet tomcat

Possible Duplicate:
Java application stops working and giving exception
Hi actually i have posted this question previous also that tomcat giving the below error
com.lexmark.efoundations.lxpd.gui.struts.ActionServlet.init(Unknown Source)

7. JSP: Weird Tomcat error - the text referenced doesn't exist

I have a little question. When I am trying to load a JSP page on my server, I am getting an error for

An error occurred at line: 200 in ...

8. Tomcat 6 Servlet getting error: Not an ISO 8859-1 character

When i trying to retrieve data in the form of Xml it throws
"Tomcat 6 Servlet getting error: Not an ISO 8859-1 character" exception and on jsp page it display Xml error ...

9. Why is this error? The error only appears when deployed on my tomcat-server, local everything works fine!


10. Error configuring application listener in tomcat

When I try to run my application using tomcat i get the following exception:

SEVERE: Error configuring application listener of class com.web.listener.LoginListener java.lang.ClassNotFoundException: com.web.listener.LoginListener at ...

11. Getting Error while forwarding to jsp in tomcat?

In my hello world program on tomcat i am not able to forward my request from servlet to jsp page.Here are my locations:- servlet location is webapps\hello\WEB-INF\classes\test Location of jsp page(RequestObjectInJSP) is ...

12. JSP error with tomcat: can't find write method

I receive an error in a jsp application when it's running with tomcat, though the error doesn't occur with WebLogic. The JSP uses a bean called "porto.tachart.DBConnect" which contains a property called "authentication" and the corresponding set method: public void setAuthentication(HttpServletRequest request) { authentication = checkAuth(request); // the checkAuth method works fine } However, tomcat won't find the set method for ...

13. tomcat jsp error

hi, thanks for ur contribution. I followed ur steps but i m not able to solve that problem. Still the problem persist. In REGEDIT > javasoft all entries where showing 1.4. pls help me out from this problem, where i got stucked up in the middle of the project. thanks in advance

14. Error When starting Tomcat server

Im writing a simple Hello tag (custom tag) I wrote my jsp, hello.tld, and the class file. My web.xml looks like this: tagext Tag extensions examples 0 /hello /WEB-INF/tlds/hello.tld My hello.tld source is this:

16. Apache Tomcat Errors???

Hi, I recently installed Apache Tomcat 3.1 b/c I am using a book that had it on a disk. I was able to run the sample JSPs and even a JSP that finds the sine of an array of angles. But when I try to run a JSP that I wrote to open a directory (C:\testdir), I get a bunch of ...

17. JSP/Tomcat error

I'm not sure if this belongs here in JSP or in the Tomcat forum. Anyway, I am running Tomcat 4.1.27 on Linux and JDK 1.4.1_02. The problem is that I have a JSP that gets information from the user and then does some XML processing. After running this JSP a few times, Tomcat dies. There are no messages in the logs. ...

18. JSP error using tomcat

I can not get the below code to work --------------------------------------- jsp ---- Second Felipe Bean Page

Your last name is: <%= request.getParameter( "lname" )%> bean ------- public class FelipeBean{ String name; public FelipeBean(){ name = "Felipe"; } public String getName(){ String firstName = name; return firstName; } } I keep getting the below ...

19. Tomcat throws an "Illegal Address" error

Hi, I just want to know possible causes for tomcat throwing an HTTP Status 500 -"illegal address" error...I have done some searches on the net but haven't been able to find information on possible causes for this error... I have an application that I have created to send out emails....I know the email address that I am using is correct.... Any ...

20. Error Running a JSP through Tomcat

22. Tomcat - JSP and 403 errors

23. apache tomcat error

hey when i try to submit my jsp page in order to access another jsp page i'm getting the following error: description: The server encountered an internal error () that prevented it from fulfilling this request. exception org.apache.jasper.JasperException org.apache.jasper.servlet.JspServletWrapper.handleJspException( org.apache.jasper.servlet.JspServletWrapper.service( org.apache.jasper.servlet.JspServlet.serviceJspFile( org.apache.jasper.servlet.JspServlet.service( javax.servlet.http.HttpServlet.service( org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter( root cause java.lang.NullPointerException hospital_administration_system.login.authenticate( org.apache.jsp.validateuser_jsp._jspService( org.apache.jasper.runtime.HttpJspBase.service( javax.servlet.http.HttpServlet.service( org.apache.jasper.servlet.JspServletWrapper.service( org.apache.jasper.servlet.JspServlet.serviceJspFile( org.apache.jasper.servlet.JspServlet.service( javax.servlet.http.HttpServlet.service( org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter( this id some of my ...

24. Error in running tomcat

Hi I installed Eclipse 3.1 and Tomcat5.5 in my Windows vista machine. When i tried starting the tomcat server i am getting the following error "Several ports (8080, 8009) required by Tomcat v5.5 Server at localhost are already in use. The server may already be running in another process, or a system process may be using the port. To start this ...

29. Stack trace of Servlet Error in Tomcat

30. Error JSP - Tomcat

32. re:tomcat error

33. jsp/tomcat undefined type error

package com.apress.projsp; import java.util.Date; import java.text.*; public class DateFormatBean{ private DateFormat dateFormat; private Date date; public DateFormatBean() { dateformat = DateFormat.getInstance(); date = new Date(); } public String getDate() { return dateFormat.format(date); } public void setDate(Date date) { = date; } public void setFormat(String format) { this.dateFormat = new SimpleDateFormat(format); } }

34. Tomcat server webpage error

Hi, I am new to tomcat server as well as to this forum. Hope you guys could help me figuring out my problem. I've installed tomcat stack in my local pc to work on the coding given my course. Server is working properly but I get some error messages for some sort of coding. For example when I run the below ...

35. Tomcat5.5 error report

hello friends, I am using a following code. it is working fine in development. but it didnt work. it gives the error report. what will be the problem.... its very urgent........ please help me..... code: session = httpRequest.getSession(); ValidUser user = ( ValidUser )session.getAttribute(sess_id); it is working fine in tomcat5.0..... but 5.5 raises this exception..... org.apache.catalina.session.StandardSessionFacade@ 1c7980c : null java.lang.NullPointerException at ...

37. Servlet Error while running in Tomcat

38. Tomcat error while trying to run the servlet

40. JSP TOMCAT 403 error

41. Servlet/Tomcat using HTTPsUrlConnection error