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From Randy Layman <randy.lay...@aswethink.com>
Subject RE: has anyone ever got the <error-page> feature (defined in web. xml) to work?
Date Thu, 05 Jul 2001 12:02:49 GMT

	We have is successfully working for catching Java Exceptions.
Haven't tried HTTP Error codes, though.

	Randy

> -----Original Message-----
> From: Hughes, Tim [mailto:tim.hughes@cgey.com]
> Sent: Thursday, July 05, 2001 8:38 AM
> To: 'tomcat-user@jakarta.apache.org'
> Subject: RE: has anyone ever got the <error-page> feature (defined in
> web. xml) to work?
> 
> 
> 
> Hi,
> 
> We are trying to use the <error-page> facility but without 
> any success. Does
> Tomcat implement this or not?
> Has anyone seen it working?
> 
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> Tim Hughes
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> 
> 
> 
> -----Original Message-----
> From: guido.bartels@gerling.de [mailto:guido.bartels@gerling.de]
> Sent: 4. juli 2001 17:27
> To: tomcat-user@jakarta.apache.org
> Subject: AW: http errors
> 
> 
> Hi Tim,
>  
> I tried the stuff you described, but had not success with it.
> I placed the error-page item in both web.xml files, but 
> nothing changed.
>  
> In addition I removed the <login-config> from the web-app 
> web.xml file and
> placed that section into the default web.xml.
> The result was, that the login-config seemed to be lost.
>  
> So what's wrong? I use Tomcat 3.2.2.
>  
> It seems to me, that Tomcat does not implement the specification!
>  
> Kind regards
> Guido
> 
> -----Ursprüngliche Nachricht-----
> Von: Hughes, Tim [mailto:tim.hughes@cgey.com]
> Gesendet am: Mittwoch, 4. Juli 2001 09:39
> An: 'tomcat-user@jakarta.apache.org'
> Betreff: RE: http errors
> 
> Hi,
>  
> You will find a full copy of the **default** web.xml in 
> TOMCAT_HOME/conf/.
>  
> What is the default web.xml --> Extract from the user guide 
> (which you will
> find at TOMCAT_HOME\doc\uguide\tomcat_ug.html: recommended reading)
> [A detailed description of web.xml and the web application structure
> (including directory structure and configuration) is 
> available in chapters
> 9, 10 and 14 of the  <http://java.sun.com/products/servlet/> 
> Servlet API
> Spec and we are not going to write about it. 
> 
> There is however a small Tomcat related "feature" that is related to
> web.xml. Tomcat lets the user define defaultw eb.xml values 
> for all context
> by putting a default web.xml file in the conf directory. When 
> constructing a
> new Context, Tomcat uses the default web.xml file as the base 
> configuration
> and the application specific web.xml (the one located in the 
> application's
> WEB-INF/web.xml), only overwrite these defaults.]
> 
> So if you want the error pages to apply to all webapps then 
> you put the
> error page tags in the default web.xml like this:
> 
> <?xml version="1.0" encoding="ISO-8859-1"?>
> 
> <!DOCTYPE web-app
> 
> PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.2//EN"
> 
> "http://java.sun.com/j2ee/dtds/web-app_2_2.dtd">
> 
> <web-app>
> 
> <!-- IMPORTANT: all the tags that were already in the default 
> web.xml file
> should remain in the file -->
>  
> <error-page>
> <exception-type>javax.servlet.TryagainException</exception-type>
> <location>/errors/TryAgain.html</location>
> </error-page>
>  
> <error-page>
> <error-code>503</error-code>
> 
> <location>/errors/TryAgain.html</location>
> </error-page>
> 
> </web-app>
> 
> (I assume that you have renamed the directories and files accordingly:
> errors directory and TryAgain.html file are only examples).
> 
> If you only want the error pages to apply to a particular 
> webapp then you
> should create a web.xml file that you place in
> TOMCAT_HOME/webapps/yourWebApp/WEB-INF. This file should look 
> like this:
> 
> <!DOCTYPE web-app
> 
> PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.2//EN"
> 
> "http://java.sun.com/j2ee/dtds/web-app_2_2.dtd">
> 
> <web-app>
> 
> <error-page>
> <exception-type>javax.servlet.TryagainException</exception-type>
> <location>/errors/TryAgain.html</location>
> </error-page>
>  
> <error-page>
> <error-code>503</error-code>
> 
> <location>/errors/TryAgain.html</location>
> </error-page>
> 
> </web-app>
> 
> I hope this works.
> 
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 
> Tim Hughes 
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 
> 
> -----Original Message-----
> From: Francisco Areas Guimaraes [mailto:fareas@larc.usp.br]
> Sent: 4. juli 2001 02:25
> To: tomcat-user@jakarta.apache.org
> Subject: Re: http errors
> 
> 
> it didn´t work...could you please give a "complete" web.xml? and where
> should I put this file? in %TOMCAT_HOME%/conf or somewhere 
> else? I´m using
> tomcat 3.2.2 and win2k, I would like any help you could 
> provide, because I
> just started working with tomcat.
>  
> thanks,
>  
> Francisco
> fareas@larc.usp.br <mailto:fareas@larc.usp.br> 
> 
> ----- Original Message ----- 
> From: Hughes,  <mailto:tim.hughes@cgey.com> Tim 
> To: 'tomcat-user@jakarta.apache.org'
> <mailto:'tomcat-user@jakarta.apache.org'>  
> Sent: Tuesday, July 03, 2001 4:29 AM
> Subject: RE: http errors
> 
> Hi,
>  
> Using <error-page> elements in the web.xml, you can program 
> web applications
> to handle HTTP errors and exceptions.
>  
> The deployment description below makes the container send the
> /errors/TryAgain.html file if either a TryAgainExeption or the
> HttpServletResponse.SC_SERVER_UNAVAILABLE error code occurs:
>  
> <web-app>
>  
> <!-- Servlet definitions -->
>  
> <error-page>
> <exception-type>javax.servlet.TryagainException</exception-type>
> <location>/errors/TryAgain.html</location>
> </error-page>
>  
> <error-page>
> <error-code>503</error-code>
> 
> <location>/errors/TryAgain.html</location>
> </error-page>
>  
> I hope this helps.
> 
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 
> Tim Hughes 
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 
> 
> -----Original Message-----
> From: Francisco Areas Guimaraes [mailto:fareas@larc.usp.br]
> Sent: 3. juli 2001 02:15
> To: Lista tomcat User
> Subject: http errors
> 
> 
> Anyone know if I can set tomcat to use a custom page for http 
> errors, like
> 500, instead of it´s default???
>  
> please, help me, i´ve tried a lot of things and it didn´t help.
>  
> []´s
> Francisco
> 
> 
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