Servlet 2.2 DTD and Tomcat 4.1

[Marc Palmer <ma...@anyware.co.uk>]

Hi all,

Perhaps this is a FAQ, though I haven't found it yet.

Tomcat 4.1 will fail to start my web-application if our internet 
connectivity to Sun is down. This is because I am using the Servlets 2.2 
DTD doctype in my web.xml:

<!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web 
Application2.2//EN"
 "http://java.sun.com/j2ee/dtds/web-app_2_2.dtd">

Obviously this is really bad news. Sure it only happens when I try to start 
my app, but if the server reboots and connectivity to Sun happens to be 
down, my web application just will not start.

Curiously, this doesn't happen for webapps that use Servlets 2.3 DTD. Does 
this mean that Tomcat ships a 2.3 DTD (in one of the JARs?) and uses a 
local copy? I can only assume it does.

Is there a setting to allow us to provide a local copy of the 2.2 DTD 
(perhaps using XML Catalog) so this problem will not occur? Perhaps there 
is another solution?

Using the 2.3 DTD is not really a "solution", my web application has to be 
portable to 2.2 containers.

Thanks in advance
-- 
Marc Palmer
Contract Java Consultant/Developer http://www.anyware.co.uk/marc/


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