Yes. If order did not matter then | would be used in the DTD.
eg.
<!ELEMENT my-element (required-element, (sub-element | sub-element-two |
sub-element-three)* )>
None of the J2EE DTDs use |. I guess this was a style choice to favour how
easy it
is to parse the descriptors over how easy it is to write them manually.
--Allan
----- Original Message -----
From: "Scott Evans" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Tuesday, May 02, 2000 12:22 PM
Subject: Re: web.xml parsing bug in Tomcat3.1 (custom tag libs) ???
> What in the DTD below requires this? Simply the order of the Elements?
>
> Scott Evans
>
>
> > -----Original Message-----
> > From: Allan Scott [mailto:[EMAIL PROTECTED]]
> > Sent: Tuesday, May 02, 2000 5:08 PM
> > To: [EMAIL PROTECTED]
> > Subject: Re: web.xml parsing bug in Tomcat3.1 (custom tag libs) ???
> >
> >
> > Hi Heiko,
> >
> > The ordering is required because the DTD for the web
> > specifier requires it:
> >
> > <!--
> > The web-app element is the root of the deployment descriptor for a web
> > application
> > -->
> > <!ELEMENT web-app (icon?, display-name?, description?, distributable?,
> > context-param*, servlet*, servlet-mapping*, session-config?,
> > mime-mapping*, welcome-file-list?, error-page*, resource-ref*,
> > security-constraint*, login-config?, security-role*, env-entry*,
> > ejb-ref*)>
> >
> > So this is not a bug - just the specified behavior.
> >
> > ---Allan
> >
> > ----- Original Message -----
> > From: "Heiko Gottschling" <[EMAIL PROTECTED]>
> > To: <[EMAIL PROTECTED]>
> > Sent: Tuesday, May 02, 2000 7:47 AM
> > Subject: web.xml parsing bug in Tomcat3.1 (custom tag libs) ???
> >
> >
> > > Hi,
> > >
> > > you may (or may not) have noticed my posting some days ago
> > regarding a
> > > problem with Tomcat3.1 and a custom tag library. Since no one solved
> > > this problem, I had to solve it myself. Here's what I found out:
> > >
> > > When using a custom tag lib, Tomcat obviously insists on a
> > certain order
> > > of tags in the web.xml file. Tags must appear in this order:
> > >
> > > <servlet>
> > > <servlet-mapping>
> > > <taglib>
> > >
> > > Any deviation of this order yields an error when calling
> > the JSP page.
> > >
> > > The error can easily be reproduced with the web.xml file of
> > the example
> > > webapp provided with tomcat. Re-arranging the order of tags
> > within that
> > > file breaks the "simpletag" example. (The JSP file must be
> > compiled anew
> > > after making the change to view the effect).
> > >
> > > Error message:
> > >
> > > >Unable to open taglibrary
> http://java.apache.org/tomcat/examples-taglib :
> > >Parse Error in the tag library descriptor: Element "web-app" does not
> allow
> > >"servlet-mapping" here.
> >
> > I have only checked for this error in conjuction with tag libs, so I
> > don't know if it occurs otherwise, too.
> >
> > Is this a real bug, or is the order of tags in web.xml specified
> > anywhere (can't imagine that's the case, though)?
> >
> > cu
> > Heiko
> >
> >
>
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> >
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> >
>
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>
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