Error in web.xml

Hi
I am getting following error in web.xml for follwing lines
error-failed to read schema document1)could not find the document2)the document could not be read
<web-app id="WebApp_ID" version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">

try changin from
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
to
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">

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<?xml version='1.0' encoding='UTF-8'?>

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hello friends,
When i implement my project in to tomcat server ..... It raises this exception in web.xml pls help me.........
i have given below......
Thanks in advance....
Sep 6, 2008 10:16:53 AM org.apache.catalina.startup.ContextConfig applicationWebConfig
SEVERE: Parse error in application web.xml file at jndi:/localhost/hatsunSMS/WEB-INF/web.xml
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Hi.
Please re-read your stacktrace and then have a look at http://java.sun.com/j2se/1.4.2/docs/api/java/net/NoRouteToHostException.html.
Then, take your time to think about it again.
Bye.

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Your web.xml file is out of date.
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</web-app>Cheers,
evnafets

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          Trisula P. Siripurapu


          Hi Jacek,
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          Trisula Pani Siripurapu.
          Jacek Laskowski <[email protected]> wrote:
          >"Trisula P. Siripurapu" wrote:
          >>
          >> I have a Web.xml which I copied the one from their documentation and edited for my servlet specific data. When I try to deploy it I am getting the following error.
          >> Wed Nov 15 17:10:37 EST 2000:<E> <HTTP> Error reading Web application 'C:/tomcat
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          >> java.net.UnknownHostException: java.sun.com
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Can it be because you are catching your exception? Why don't you try throwing the same exception in the catch block and let the server handle it for you.
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Any suggestions???

Found a resolution to this in the end.
Unless you have the sub-elements in the order below, it will get validation errors.
<env-entry>
<env-entry-name>maxAmount</env-entry-name>
<env-entry-type>java.lang.String</env-entry-type>
<env-entry-value>aString</env-entry-value>
</env-entry>
A bit weird and very frustrating....

Web.xml parsing error

Hello,
I am a newbie to servlet programming. I am using Tomcat4.1.24. When I
am trying out some examples, I got a bunch of parsing errors. After double-checking my web.xml, I still do not see why it caused so many parsing errors. I am using NotePad to edit web.xml, does that affect this? These errors are always about the last line and the last column.
Very weird. Please help.
web.xml
<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE web-app
PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
"http://java.sun.com/dtd/web-app_2_3.dtd">
<web-app>
<display-name>Welcome to Tomcat</display-name>
<description>
Welcome to Tomcat
</description>
<servlet>
     <servlet-name>HelloWorld</servlet-name>
     <servlet-class>HelloWorld</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>HelloWorld</servlet-name>
<url-pattern>*.myservlet</url-pattern>
</servlet-mapping>
<servlet>
     <servlet-name>Primes</servlet-name>
     <servlet-class>coreservlets.Primes</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>Primes</servlet-name>
<url-pattern>*.do</url-pattern>
</servlet-mapping>
</web-app>
[ERROR] Digester - -Parse Error at line 29 column 11: The content of element typ
e "web-app" must match "(icon?,display-name?,description?,distributable?,context
-param*,filter*,filter-mapping*,listener*,servlet*,servlet-mapping*,session-conf
ig?,mime-mapping*,welcome-file-list?,error-page*,taglib*,resource-env-ref*,resou
rce-ref*,security-constraint*,login-config?,security-role*,env-entry*,ejb-ref*,e
jb-local-ref*)". <org.xml.sax.SAXParseException: The content of element type "we
b-app" must match "(icon?,display-name?,description?,distributable?,context-para
m*,filter*,filter-mapping*,listener*,servlet*,servlet-mapping*,session-config?,m
ime-mapping*,welcome-file-list?,error-page*,taglib*,resource-env-ref*,resource-r
ef*,security-constraint*,login-config?,security-role*,env-entry*,ejb-ref*,ejb-lo
cal-ref*)".>

Hi.
The answer is rather simple. The file is not valid against the XML v.1.0 standard. That's because all <servlet> elements must come first before all <servlet-mapping> elements. If you change the order of the Primes <servlet> element, the file is valid and Tomcat should not throw an exception.
This is the correct web deployment descriptor:
<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE web-app
PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
"http://java.sun.com/dtd/web-app_2_3.dtd">
<web-app>
<display-name>Welcome to Tomcat</display-name>
<description>
Welcome to Tomcat
</description>
<servlet>
<servlet-name>HelloWorld</servlet-name>
<servlet-class>HelloWorld</servlet-class>
</servlet>
<servlet>
<servlet-name>Primes</servlet-name>
<servlet-class>coreservlets.Primes</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>HelloWorld</servlet-name>
<url-pattern>*.myservlet</url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name>Primes</servlet-name>
<url-pattern>*.do</url-pattern>
</servlet-mapping>
</web-app>

error-page in web.xml not working

In my web.xml I have
<error-page>
<exception-type>java.lang.NullPointerException</exception-type>
<location>/error.jsp</location>
</error-page>
I checked the page works by doing a /context/error.jsp and
the page displays fine (it is a simple jsp page).
I hit a struts action that gives me this in the std output.
06/29 10:48:24 error
[1]java.lang.NullPointerException
at
com.pearson.gs.cms.business.LoginService.verifyPassword(LoginService.java:232)
at
com.pearson.gs.cms.action.LoginAction.performCMSAction(LoginAction.java:92)
at
com.pearson.gs.cms.action.BaseCMSAction.execute(BaseCMSAction.java:48)
at
org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:419)
at
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:224)
at
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)
at
org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)
at
javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
at
javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at
jrun.servlet.ServletInvoker.invoke(ServletInvoker.java:91)
at
jrun.servlet.JRunInvokerChain.invokeNext(JRunInvokerChain.java:42)
at
jrun.servlet.JRunRequestDispatcher.invoke(JRunRequestDispatcher.java:259)
at
jrun.servlet.ServletEngineService.dispatch(ServletEngineService.java:541)
at
jrun.servlet.http.WebService.invokeRunnable(WebService.java:172)
at
jrunx.scheduler.ThreadPool$ThreadThrottle.invokeRunnable(ThreadPool.java:428)
at jrunx.scheduler.WorkerThread.run(WorkerThread.java:66)
[0]javax.servlet.ServletException
at
org.apache.struts.action.RequestProcessor.processException(RequestProcessor.java:523)
at
org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:421)
at
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:224)
at
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)
at
org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)
at
javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
at
javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at
jrun.servlet.ServletInvoker.invoke(ServletInvoker.java:91)
at
jrun.servlet.JRunInvokerChain.invokeNext(JRunInvokerChain.java:42)
at
jrun.servlet.JRunRequestDispatcher.invoke(JRunRequestDispatcher.java:259)
at
jrun.servlet.ServletEngineService.dispatch(ServletEngineService.java:541)
at
jrun.servlet.http.WebService.invokeRunnable(WebService.java:172)
at
jrunx.scheduler.ThreadPool$ThreadThrottle.invokeRunnable(ThreadPool.java:428)
at jrunx.scheduler.WorkerThread.run(WorkerThread.java:66)
I get a 500 error page instead of my /error.jsp page.
I tried adding
<error-page>
<error-code>500</error-code>
<location>/error.jsp</location>
</error-page>
but that doesn't work either.
JRun 4.0
Updater 6
JDK 1.4.2
Struts 1.2.8
Any ideas what to try?

a. Override your skeletons error.jsp to forward/redirect to your page.
or
b. If you primarily use pageflow portlets Define a shared flow which has an exception handling method and direct it to your page. Reference the shared flow in each of your controllers (i think global.app is deprecated in 10 otherwise you could do this there). this lets you log some additional information, plus gives you the added flexibility of dealing with different exception types
or
c. Override the path to error.jsp in your portlets properties (havent tested)
Note if you are using servlets etc you still need your web.xml java.lang.Exception entry. The reason it doesnt get picked up is because the portal framework is handling the exception
Edited by: deepshet on Dec 22, 2008 8:12 PM

Using error pages in web.xml

          Having a few problems with error pages and web.xml with browsers caching the error
          pages and strange errors coming out of weblogic.servlet.intenal.WebAppServletContext
          I'm trying to set a web app up so that all http errors and all exceptions are
          routed thruogh predefined resources. For now, I'm simply send 400 errors to 400.html
          and the ServletException, IOException and RuntimeException to respective html
          pages.
          What I'm finding is that the error codes work fine but the exceptions are only
          be routed to the correct error page for the first call to the servlet after server
          restart.
          So for example, I have my servlet throwing a ServletException as a test case.
          The weblogic server log shows that ServletException is thrown, and the correct
          error page for ServletExceptions is shown.
          If I change the Servlet code to throw IOException in place of SevletException,
          the weblogic.log shows that IOExceptyion is being thrown (so the servlet has deployed
          successfully), however the Servletxception error page is shown on the browser.
          I'm using IE6 and I've changed the setting such that a new page is requested every
          time using the tools-internet options-temp internet files-settings option to "check
          for new versions of stored pages: Every visit to the page".
          Despite this, the servlet exception error page still appears.
          If you clear the cache from the temp intenet files->delete files IE option, the
          correct errror page will be shown so it appears that the browser cache is being
          used after all.
          everytime I delete the temp intenet files I get the correct error page on the
          first request after but then not after that.
          I have implemented the service method for this test to throw the exceptions -
          does this make a differecne?
          As a test, I have moved the imlpementation to the doGet method instead bu I now
          get a strange eror from weblogic comlpaining about an arrayOutOfBoundsException
          because eror codes in the web.xml are not supported! - see error above.
          Any help is appreciated


Have you tried setting pragama no cache?
          <META HTTP-EQUIV="Pragma" CONTENT="no-cache">
          cheersmbg"Aaton" <[email protected]> wrote in message
          news:[email protected]...
          >
          > Having a few problems with error pages and web.xml with browsers caching
          the error
          > pages and strange errors coming out of
          weblogic.servlet.intenal.WebAppServletContext
          >
          > I'm trying to set a web app up so that all http errors and all exceptions
          are
          > routed thruogh predefined resources. For now, I'm simply send 400 errors
          to 400.html
          > and the ServletException, IOException and RuntimeException to respective
          html
          > pages.
          >
          > What I'm finding is that the error codes work fine but the exceptions are
          only
          > be routed to the correct error page for the first call to the servlet
          after server
          > restart.
          >
          > So for example, I have my servlet throwing a ServletException as a test
          case.
          > The weblogic server log shows that ServletException is thrown, and the
          correct
          > error page for ServletExceptions is shown.
          >
          > If I change the Servlet code to throw IOException in place of
          SevletException,
          > the weblogic.log shows that IOExceptyion is being thrown (so the servlet
          has deployed
          > successfully), however the Servletxception error page is shown on the
          browser.
          >
          > I'm using IE6 and I've changed the setting such that a new page is
          requested every
          > time using the tools-internet options-temp internet files-settings option
          to "check
          > for new versions of stored pages: Every visit to the page".
          >
          > Despite this, the servlet exception error page still appears.
          >
          > If you clear the cache from the temp intenet files->delete files IE
          option, the
          > correct errror page will be shown so it appears that the browser cache is
          being
          > used after all.
          >
          > everytime I delete the temp intenet files I get the correct error page on
          the
          > first request after but then not after that.
          >
          > I have implemented the service method for this test to throw the
          exceptions -
          > does this make a differecne?
          >
          > As a test, I have moved the imlpementation to the doGet method instead bu
          I now
          > get a strange eror from weblogic comlpaining about an
          arrayOutOfBoundsException
          > because eror codes in the web.xml are not supported! - see error above.
          >
          > Any help is appreciated

Error in web.xml

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