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From Jacob Kjome <>
Subject Re[4]: Quick Question
Date Tue, 13 Aug 2002 17:00:58 GMT

I know next to nothing about JSP.  Haven't touched it.  I use XMLC and
Barracuda to do presentation.  However, I would think that you should
be able to use getServletContext() or something analogous in JSP.


Tuesday, August 13, 2002, 11:13:44 AM, you wrote:

TLC> Can I use something like this in my jsp page (instead of a java sevlet) to 
TLC> get the parameter name?,
TLC> before that I set the parameter in my web.xml file like this:

TLC> <context-param>
TLC>       <param-name>parameter name</param-name>
TLC>       <param-value>localhost</param-value>
TLC> </context-param>

TLC> String value =  getServletContext().getInitParameter("parameter name");

TLC> because I'm confusing here because of the name "getServletContext"..... is 
TLC> it only works in a sevlet or it will work too in a jsp page???

TLC> thanks again 
TLC> Alex Tomita

TLC> 13/08/2002 10:54 a.m.
TLC> Please respond to Tomcat Users List

TLC>         To:     Tomcat Users List <>
TLC>         cc:     Tomcat Users List <>
TLC>         Subject:        Re: Re[2]: Quick Question

TLC> My bean is WEB-INF/classes....

TLC> Jacob Kjome <>
TLC> 13/08/2002 10:43 a.m.
TLC> Please respond to Tomcat Users List

TLC>         To:     Tomcat Users List <>
TLC>         cc: 
TLC>         Subject:        Re[2]: Quick Question


TLC> Where does your Bean exist?  Is it in one of Tomcat's classloaders, or
TLC> is it running out the WEB-INF/classes or WEB-INF/lib folder of your
TLC> webapp.  I'm geussing the it is in one of Tomcat's classloaders
TLC> meaning $CATALINA_HOME/common/lib, server/lib, or lib (shared/lib in
TLC> Tomcat-4.1.x).

TLC> Those classloaders can't see the individual webapp classloaders.
TLC> However, libraries in your webapp *can* see Tomcat's plublic
TLC> classloaders (all bug server/lib, server/classes).

TLC> You may have to rearrange the location of your libraries.

TLC> Jake

TLC> Tuesday, August 13, 2002, 9:29:19 AM, you wrote:

TLC>> Hi all,

TLC>> I'm trying to resolve this problem with all the solutions that you 
TLC> gave 
TLC>> me,  but it doesn't work...
TLC>> This is what I did:

TLC>> in my java bean (not a servlet), I have this code:

TLC>> public class DbBean {
TLC>>    public  int Connect()  {
TLC>>    InputStream is = 
TLC> Thread.currentThread().getContextClassLoader().getResourceAsStream("config.txt");
TLC>>         if (is == null) {
TLC>>                 return 0;
TLC>>         }
TLC>>         else {
TLC>>                 return 1;
TLC>>         }
TLC>> }

TLC>> then in my jsp, I called this method, and then I write the value (0 
TLC> or 
TLC>> 1)..

TLC>> The txt file is in "WEB-INF/classes/beans...", because "DbBean" is in 

TLC> a 
TLC>> package called "beans", and I start tomcat from TOMCAT_HOME/bin..
TLC>> When I load the jsp, the method Connect of the DbBean (java bean) 
TLC> returned 
TLC>> 0, which means the InputStream is null, but if I put the txt file in
TLC>> TOMCAT_HOME/bin, I had no problem...., the method returned 1....  why 

TLC> is 
TLC>> that??.. I'm using Tomcat 3.2
TLC>> Do I need to set something else in Tomcat??....

TLC>> thanks again
TLC>> Alex Tomita

TLC>> "Drinkwater, GJ (Glen)" <>
TLC>> 13/08/2002 08:11 a.m.
TLC>> Please respond to Tomcat Users List

TLC>>         To:     Tomcat Users List <>
TLC>>         cc: 
TLC>>         Subject:        RE: Quick Question

TLC>> tomcats default directory is where ever you called the 

TLC>> file.
TLC>> So if you dont use another script to call the file 
TLC> tomcats
TLC>> default will be the bin directory.

TLC>> Use this code to find the directory where WEB-INF is.  Then you can 
TLC>> traverse
TLC>> your directory structure from there. 

TLC>> //get context path
TLC>>     ServletConfig scon = null ;
TLC>>     String workingDir = null;
TLC>>     public void init(ServletConfig config) {
TLC>>         scon = config ;
TLC>>      }
TLC>>  public void doPost(HttpServletRequest request, HttpServletResponse
TLC>> response)
TLC>>     throws ServletException, IOException {
TLC>>         //get working dir
TLC>>         ServletContext sc = scon.getServletContext();
TLC>>         workingDir = sc.getRealPath("");

TLC>> --
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