I think its a basically a DNS / route problem, triggered by the search for a DTD within struts (i think its struts, but dont hold me to that)

When you connect to your VPN there is no route to jakarta.apache.org

as the error says :

java.net.UnknownHostException: jakarta.apache.org

At a guess, when you connect to your office VPN you cant browse the web properly either?

Im guessing that you are using a PPTP VPN connection within windows.

You have a few choices that i can think of

1: Get DNS working via your VPN connection

How you go about this depends on what your VPN server is, and if your work will allow traffic through the VPN and back out into the web at their end.

2: Hope that you can do split-tunneling with your VPN client / setup

this has some more information on the issue

http://www.experts-exchange.com/Security/Firewalls/Q_21246171.html

3: Prevent the lookup for the DTD from struts.

I dont know how you would go about this because i dont know struts at all.

if anyone else has any ideas id like to hear them.

thanks

Martin


Sunjay Gunda wrote:
Tomcat is running on my local machine. Application is
using MYSQL database and it is also on my local box.
Whenever I connect to office through VPN and try to
access the application that is hosted on my local box,
then I get this error in addition to what I mentioned
before


Aug 19, 2005 4:36:30 PM
org.apache.struts.util.PropertyMessageResources <init>
INFO: Initializing,
config='org.apache.struts.util.LocalStrings',
returnNull=true
Aug 19, 2005 4:36:30 PM
org.apache.struts.util.PropertyMessageResources <init>
INFO: Initializing,
config='org.apache.struts.action.ActionResources',
returnNull=true
Aug 19, 2005 4:36:30 PM
org.apache.struts.action.ActionServlet
initModuleConfig
SEVERE: Parsing error processing resource path java.net.UnknownHostException: jakarta.apache.org
        at
java.net.PlainSocketImpl.connect(PlainSocketImpl.java:153)
        at java.net.Socket.connect(Socket.java:452)
        at java.net.Socket.connect(Socket.java:402)
        at
sun.net.NetworkClient.doConnect(NetworkClient.java:139)
        at
sun.net.www.http.HttpClient.openServer(HttpClient.java:402)
        at
sun.net.www.http.HttpClient.openServer(HttpClient.java:618)
        at
sun.net.www.http.HttpClient.<init>(HttpClient.java:306)
        at
sun.net.www.http.HttpClient.<init>(HttpClient.java:267)
        at
sun.net.www.http.HttpClient.New(HttpClient.java:339)
        at
sun.net.www.http.HttpClient.New(HttpClient.java:320)
        at
sun.net.www.http.HttpClient.New(HttpClient.java:315)
        at
sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:521)
        at
sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:498)
        at
sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:626)
        at
org.apache.xerces.impl.XMLEntityManager.setupCurrentEntity(Unknown
Source)
        at
org.apache.xerces.impl.XMLEntityManager.startEntity(Unknown
Source)
        at
org.apache.xerces.impl.XMLEntityManager.startDTDEntity(Unknown
Source)
        at
org.apache.xerces.impl.XMLDTDScannerImpl.setInputSource(Unknown
Source)
        at
org.apache.xerces.impl.XMLDocumentScannerImpl$DTDDispatcher.dispatch(Unknown
Source)
        at
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown
Source)
        at
org.apache.xerces.parsers.XML11Configuration.parse(Unknown
Source)
        at
org.apache.xerces.parsers.XML11Configuration.parse(Unknown
Source)
        at org.apache.xerces.parsers.XMLParser.parse(Unknown
Source)
        at
org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown
Source)
        at
org.apache.commons.digester.Digester.parse(Digester.java:1548)
        at
org.apache.struts.action.ActionServlet.initModuleConfig(ActionServlet.java:944)
        at
org.apache.struts.action.ActionServlet.init(ActionServlet.java:468)
        at
javax.servlet.GenericServlet.init(GenericServlet.java:211)
        at
org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1029)
        at
org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:862)
        at
org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4013)
        at
org.apache.catalina.core.StandardContext.start(StandardContext.java:4357)
        at
org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:823)
        at
org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:807)
        at
org.apache.catalina.core.StandardHost.addChild(StandardHost.java:595)
        at
org.apache.catalina.core.StandardHostDeployer.install(StandardHostDeployer.java:277)
        at
org.apache.catalina.core.StandardHost.install(StandardHost.java:832)
        at
org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:701)
        at
org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:432)
        at
org.apache.catalina.startup.HostConfig.start(HostConfig.java:983)
        at
org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:349)
        at
org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
        at
org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1091)
        at
org.apache.catalina.core.StandardHost.start(StandardHost.java:789)
        at
org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1083)
        at
org.apache.catalina.core.StandardEngine.start(StandardEngine.java:478)
        at
org.apache.catalina.core.StandardService.start(StandardService.java:480)
        at
org.apache.catalina.core.StandardServer.start(StandardServer.java:2313)
        at
org.apache.catalina.startup.Catalina.start(Catalina.java:556)
        at
sun.reflect.NativeMethodAccessorImpl.invoke0(Native
Method)
        at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:324)
        at
org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:287)
        at
org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:425)
Aug 19, 2005 4:36:30 PM
org.apache.coyote.http11.Http11Protocol start
INFO: Starting Coyote HTTP/1.1 on http-8080
Aug 19, 2005 4:36:30 PM
org.apache.jk.common.ChannelSocket init
INFO: JK2: ajp13 listening on /0.0.0.0:8009
Aug 19, 2005 4:36:30 PM org.apache.jk.server.JkMain
start


Thanks
Sunjay


--- Brian Cook <[EMAIL PROTECTED]> wrote:


Are you saying you are taking the PC that runs
Tomcat home with you and it does not work at home? Or are you trying to connect to Tomcat running at the office from anther PC at home? If it is the second one then you need to use the actual IP or domain instead
of just localhost.

What other services is Tomcat connecting to? (i.e.
Data Bases, LDAP, Web Services, App Servers, etc.) If you are taking the PC running Tomcat home with you. Can you verify that you can connect to them over the VPN? i.e. Log in or connect to them manually with out Tomcat over the VPN to make sure you have access.

The error seems to indicate that Tomcat is missing
some class files or libraries. Could they have been on a shared folder that you do not have access to over the VPN?

Sunjay Gunda wrote:

Hello All,
   I am new to Tomcat. I am using the following

for my application


Tomcat : 5.0.28 Java : 1.4.2_08
Struts   :  1.1
Windows XP.


I am able to access my application that is hosted

on my local box.
http://localhost:8080/XYZ/loginForm.jsp


I connect through VPN for my office work. At that

time, I am unable to access the same application
(that I am able to access if I am not connected
through VPN). Can anyone suggest what might the
problem be? I am getting the following errors when I
try to access the application


If I login as

http://localhost:8080/XYZ/loginForm.jsp

type Exception report

message
description The server encountered an internal

error () that prevented it from fulfilling this
request.

exception javax.servlet.ServletException: Cannot find

ActionMappings or ActionFormBeans collection


org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:825)

org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:758)

org.apache.jsp.loginForm_jsp._jspService(loginForm_jsp.java:101)

org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)

javax.servlet.http.HttpServlet.service(HttpServlet.java:802)

org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:324)

org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)

org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)

javax.servlet.http.HttpServlet.service(HttpServlet.java:802)



root cause javax.servlet.jsp.JspException: Cannot find

ActionMappings or ActionFormBeans collection


org.apache.struts.taglib.html.FormTag.lookup(FormTag.java:712)

org.apache.struts.taglib.html.FormTag.doStartTag(FormTag.java:500)

org.apache.jsp.loginForm_jsp._jspx_meth_html_form_0(loginForm_jsp.java:132)

org.apache.jsp.loginForm_jsp._jspService(loginForm_jsp.java:91)

org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)

javax.servlet.http.HttpServlet.service(HttpServlet.java:802)

org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:324)

org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)

org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)

javax.servlet.http.HttpServlet.service(HttpServlet.java:802)



note The full stack trace of the root cause is

available in the Apache Tomcat/5.0.28 logs.

---------------------------------
Apache Tomcat/5.0.28




If I login as

http://localhost:8080/XYZ/loginForm.do, I get the
following message

HTTP Status 404 - Servlet action is not available
---------------------------------

type Status report

message Servlet action is not available

description The requested resource (Servlet action

is not available) is not available.

---------------------------------
Apache Tomcat/5.0.28




I am able to access the admin and the manager of

the tomcat even after connecting through VPN. But I
am unable to connect to my application. Can anyone
help me?



Thanks

Sunjay


                
---------------------------------
Start your day with Yahoo! - make it your home

page

--
Brian Cook
Digital Services Analyst
Print Time Inc.
[EMAIL PROTECTED]
913.345.8900


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