Problem with a path in a servlet

hello,
I have a servlet - jsp pair that I am trying to deploy. This is an example I found online and I am trying it out using Tomcat 4.1 however I keep getting errors and hope someone can tell me what I am missing.
I have compiled the servlet successfully. When I try to invoke it, I get the following error:
java.lang.IllegalArgumentException: Path login.jsp does not start with a "/" character
I know that the problem is in the disp = app.getRequestDispatcher("login.jsp");
line but not sure how to correct it. I have included the syntax for both servlet and jsp and also the paths where they are located in my tomcat directory
the servlet is located in the following directory in tomcat:
c:/tomcat4.1/webapps/root/web-inf/classes/jsp/GuestJsp.class
Here is the syntax for the GuestJsp.java servlet is:
package jsp;
import java.io.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;
* GuestJsp is a servlet controlling user
* interaction with the guest book.
public class GuestJsp extends HttpServlet {
* doGet handles GET requests
public void doGet(HttpServletRequest req,
HttpServletResponse res)
throws ServletException, IOException
// Save the message in the request for login.jsp
req.setAttribute("message", "Hello, world");
// get the application object
ServletContext app = getServletContext();
// select login.jsp as the template
RequestDispatcher disp;
disp = app.getRequestDispatcher("login.jsp");
// forward the request to the template
disp.forward(req, res);
the jsp is located in c:/tomcat4.1/webapps/root/login.jsp
the syntax for the login.jsp is:
<%@ page language=javascript %>
<head>
<title><%= request.attribute.message %></title>
</head>
<body bgcolor='white'>
<h1><%= request.attribute.message %></h1>
</body>
thanks in advance
java newbie

Doesn't it seem intuitively obvious from the error message that perhaps you should try "/login.jsp" instead of "login.jsp"?

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|
|
|               |               |               |
|               |               |               |
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First i should ecplain the layout
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Note: Recompile with -Xlint:unchecked for details.
==========================================================
The files in the directory are DbBean.java, Product.java and ShoppingItem.java
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//import com.DbBean.ShoppingItem;
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s.close();
connection.commit();
connection.close();
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catch (SQLException e) {
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connection.close();
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package com;
public class Product
public int id;
public String name;
public String description;
public double price;
package com;
public class ShoppingItem
public int productId;
public String name;
public String description;
public double price;
public int quantity;
I'm sure it has something to do with my directory structure, Were using a Tomcat server through Uni so i dont have access to change the context paths or anything like that. Any way to over come this problem would be so much appreciated! if your from Melbourne i'll buy u a beer ;o)
Thanks heaps.
Message was edited by:
SomethingStupid

if you start javac in your directory
public_html>WEB_INF>classes>com
the compiler cannot find the the classes Product and ShoppingItem.
Start the compiler in public_html>WEB_INF>classes:
javac com/*.javaThe path
public_html/WEB_INF/classes
is in your case the classpath. javac uses the current working directory as default classpath. The classpath contains "root points" of package directory trees.

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Problem with absolute path and context using Tomcat 4

I added the following line to my server.xml:
<Context path="/track" docBase="track" />Now I have used absolute paths(ex: /includes/css/style.css) throughout my code and it worked when I served my application from the ROOT context but when I moved it to the /track - the paths did not include the new root context.
So instead of looking at http://localhost/track/includes/css/style.css it still looks at http://localhost/includes/css/style.css.
Is there any kind of setting I am missing in the web.xml or server.xml? I really would like to be able to use absolute paths relative to the context root.
Please help! Thanks in advance.
-Chris

Hi,
I am not sure what exactly you are asking but here is my shot. If one tomcat is serving more than one application then the only way for tomcat to know which application to refer is by looking at the context path. Since you have the context path of /track then it should appear in all of your urls being directed to the server (for both servlet and jsp). Since you have used absolute path in all the cases either you will have to change the absolute path or you will have to define them relative (which is a better idea) to a base dir. Hope it helps.
I added the following line to my server.xml:
<Context path="/track" docBase="track"
/>Now I have used absolute paths(ex:
/includes/css/style.css) throughout my code and it
worked when I served my application from the ROOT
context but when I moved it to the /track - the paths
did not include the new root context.
So instead of looking at
http://localhost/track/includes/css/style.css it still
looks at http://localhost/includes/css/style.css.
Is there any kind of setting I am missing in the
web.xml or server.xml? I really would like to be able
to use absolute paths relative to the context root.
Please help! Thanks in advance.
-Chris

Problems with Database connection from a servlet

Hi everybody:
I got the following message:
java.lang.ClassNotFoundException: weblogic/jdbc/oci/Driver
when I try to connect to a Database.
public Connection getConnection()
Connection con = null;
Driver myDriver = null;
try
Properties props = new Properties();
props.put("user", "fangc");
props.put("password", "fangc");
myDriver = (Driver) Class.forName("weblogic.jdbc.oci.Driver").newInstance();
con = myDriver.connect("jdbc:weblogic:oracle:occd01", props);
catch(Exception e)
System.out.println("Connection failed! - " e);
finally
return con;
What am I doing wrong? I try the code without problem for a simple Java Client

Cristina Fang wrote:
>
Hi everybody:
I got the following message:
java.lang.ClassNotFoundException: weblogic/jdbc/oci/DriverYou won't get that unless your code has:
myDriver = (Driver) Class.forName("weblogic/jdbc/oci/Driver").newInstance();
Make sure your servlet code is just like the right way that you have it
below:
myDriver = (Driver) Class.forName("weblogic.jdbc.oci.Driver").newInstance();
Joe
>
when I try to connect to a Database.
public Connection getConnection()
Connection con = null;
Driver myDriver = null;
try
Properties props = new Properties();
props.put("user", "fangc");
props.put("password", "fangc");
myDriver = (Driver) Class.forName("weblogic.jdbc.oci.Driver").newInstance();
con = myDriver.connect("jdbc:weblogic:oracle:occd01", props);
catch(Exception e)
System.out.println("Connection failed! - " e);
finally
return con;
What am I doing wrong? I try the code without problem for a simple Java Client

Problem with a path in a servlet

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