Tile path Resolution by Servlet ?

Hey guys!
Just stumbled across a small problem.
I'm using struts tiles for showing 2 presentation layers "viewA" and "viewB" in a project "WebProject".
Since both Tiles "viewA" and "viewB" use[b] the same Servlets in the project "WebProject", the servlet needs to know which Tile called it, perform the computation and then go to a subfolder "WebProject/viewA/a/callme.jsp" or "WebProject/viewB/b/callme.jsp".
I was just wondering if someone knows how to achieve this?
I'd really appreciate it if you could tell me the mechanism for storing the path(in the servlet) of the Tile that calls the servlet and how to write it so that the control is passed back to that particular Tile.
Thanks in advance for your help.

Sorry for early posting,
actually problem with the requestdispatchar,
if i use sendredirect then page works fine.
so what is the problem with iws for the requestdispatcher

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Get absolute path of a servlet/jsp

<p>
I have deployed an application on JBoss. I need to get the absolute path of a servlet. I used following statement to do that.
getServletContext().getRealPath("");
but from this i get the following
C:\jboss-4.0.2\server\default\.\deploy\sdb.ear\sdb.war\employer
i don't know why there is a dot in between the path which is not correct.
My application.xml is as follow
<module>
<ejb>sdb.jar</ejb>
</module>
<module>
<web>
<web-uri>sdb.war</web-uri>
<context-root>/</context-root>
</web>
</module>
Pls help me with this

kaviratne wrote:
but from this i get the following
C:\jboss-4.0.2\server\default\.\deploy\sdb.ear\sdb.war\employer
i don't know why there is a dot in between the path which is not correct.Me neither, but that dot shouldn't harm. It just means "current directory". Effectively that path is exactly the same as:
C:\jboss-4.0.2\server\default\deploy\sdb.ear\sdb.war\employerWhich problems are you occurring with this? It might be worth an issuereport at the JBoss site though.

Get real path in non servlet class

Hi,
I've created a ServletContextListener class that loads a thread at application startup and kills it and application shutdown.
The thread periodically monitors a specific file. I need to pass a real file path to the thread, but because the thread class is not a servlet, I cannot use the getServletContext().getRealPath("").
What are my options?

The ServletContextListener has access to both the ServletContext as well as the Thread.
So the solution can be to get the path in the listener and pass it as a parameter to the constructor or a setter method of the thread.

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"?

Access network path from within servlet

I'm trying to copy some files from a network path from within a servlet. I realize that I cannot use drive letter mappings as they are profile specific. Instead I'm trying to use the unc path. I'm getting the following error when I read the error inputstream from the process:
String cmd = "XCOPY \\SERVER\SHARE\File.DAT C:\FOLDER /Y"
Runtime rt = Runtime.getRuntime();
Process p = rt.exec(cmd);
p.waitFor(); //execute process and wait for it to finish
BufferedReader input = new BufferedReader(new InputStreamReader(p.getInputStream()));
BufferedReader error = new BufferedReader(new InputStreamReader(p.getErrorStream());0 File(s) copied
Invalid drive specification
Exit code: 4
It works from the command line, the problem I'm guessing is that Tomcat runs at as service under the SYSTEM account. What permissions should I put on the shared folder to allow this, or is it a path problem?
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Starting the Tomcat service under the Administrator account fixes the problem, is there any reason I shouldn't use the Administrator account for this?

Problem for getting the real path using one servlet and one jsp page

I have one tomcat machine and several virtual domains. Eahc virtual domain has one realpath in the disc.
I am using one servlet and one jsp page for using this servlet.
my purpose is to load, using the servlet , the real path for the domains (eahc domain has its path).
for this i make this:
the servlet code is this:
package utils.ticker;
import java.io.*;
import java.io.File;
import java.io.IOException;
import java.net.*;
import java.util.*;
import java.text.*;
import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.http.HttpServlet;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
public class Edicion extends HttpServlet{
public Edicion() {
public String cc(){
ServletContext myContext= getServletContext();
String abspath = myContext.getRealPath("/");
//here i want to return the real path
return abspath;
public static void main(String args[]){
and the jsp page is:
<%@ page import="utils.ticker.*" %>
<jsp:useBean id="tick" class="utils.ticker.Edicion" scope="session"/>
<html><head><body>
<%
tick.cc();
%>
</body></head></html>
But this produces one error, NullPointerException and dont shows me the real path.
Can anyone help me?
thanks

i have put this into one sevlet:
package utils.ticker;
import javax.servlet.ServletContext;
public class Edicion{
private ServletContext myContext;
public Edicion(ServletContext myContext) {
this.myContext = myContext;
public String getCC(){
return myContext.getRealPath("/");
and in the jsp page this:
<%@ page contentType="text/html; charset=iso-8859-1" language="java" import="java.sql.*"%>
<%@ page import="utils.ticker.*" %>
<jsp:useBean id="tick" class="utils.ticker.Edicion" scope="session"/>
<html><head><body>
<%=tick.getCC()%>
</body></head></html>
but appear this error in the tomcat.
Can you, please, help me. i am trying to solve this during one week and i am desesperate.
Thanks.
ERROR:
HTTP Status 500 -
type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
org.apache.jasper.JasperException: class utils.ticker.Edicion : java.lang.InstantiationException: utils.ticker.Edicion
     at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:248)
     at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
     at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
     at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:260)
     at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
     at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
     at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
     at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
     at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
     at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
     at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
     at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2415)
     at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
     at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
     at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:170)
     at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
     at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172)
     at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
     at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
     at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
     at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
     at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
     at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
     at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
     at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:223)
     at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:432)
     at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:386)
     at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:534)
     at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:530)
     at java.lang.Thread.run(Thread.java:536)
root cause
javax.servlet.ServletException: class utils.ticker.Edicion : java.lang.InstantiationException: utils.ticker.Edicion
     at org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:533)
     at org.apache.jsp.pruebas_jsp._jspService(pruebas_jsp.java:72)
     at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:137)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
     at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:204)
     at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
     at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
     at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:260)
     at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
     at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
     at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
     at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
     at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
     at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
     at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
     at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2415)
     at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
     at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
     at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:170)
     at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
     at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172)
     at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
     at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
     at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
     at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
     at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
     at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
     at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
     at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:223)
     at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:432)
     at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:386)
     at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:534)
     at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:530)
     at java.lang.Thread.run(Thread.java:536)
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Tile path Resolution by Servlet ?

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