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Subject: Re: [docbook-apps] Saxon and XML Catalogs


Hi Dan,
The docbook.cat file and catalog.xml serve the same purpose, the former 
being the older SGML catalog format the latter the newer XML catalog 
format.  I would try using just catalog.xml in your 
CatalogManager.properties file.

Bob Stayton
Sagehill Enterprises
DocBook Consulting
bobs@sagehill.net


----- Original Message ----- 
From: "Dan Sanderson" <lists@dansanderson.com>
To: <docbook-apps@lists.oasis-open.org>
Sent: Monday, June 05, 2006 6:37 PM
Subject: [docbook-apps] Saxon and XML Catalogs


> Hi again -
>
> I'm having difficulty convincing Xerces and Saxon to not try to access 
> the DocBook DTD on oasis-open.org when it does a build.  I'm using the 
> XML Catalog, and the verbose output implies it'd use the local copy for 
> the actual validation (I don't know yet), but it still accesses the 
> network to resolve the system URL specified in the XML file.
>
> I expected it to never access the network, because the catalog resolves 
> the public DTD URL locally.  I need it to not access the network at all. 
> Am I misunderstanding a principle, or is this what's supposed to happen?
>
> I'm using Java 1.4.2 (and testing with 1.5.0_06 as well), Xerces 2.8.0, 
> Saxon 6.5.5.
>
> I'm confident my classpath is set correctly.  The appropriate classes are 
> being loaded, and CatalogManager.properties is being recognized.  I can 
> adjust the verbosity property to get debugging output from the resolver.
>
> My files are organized about like this (paths simplified):
>
> /docbook/schemas/docbook-4.4/catalog.xml
> /docbook/schemas/docbook-4.4/docbook.cat
> /docbook/schemas/docbook-4.4/...
> /docbook/tools/CatalogManager.properties
> /project/mybook.xml
> /templates/mytemplate.xsl
>
> CatalogManager.properties reads as follows:
>  - - 
> catalogs=../schemas/docbook4-4/catalog.xml;../schemas/docbook-4.4/docbook.cat
> relative-catalogs=false
> static-catalog=true
> verbosity=4
>  - -
>
> My args to Saxon:
>
> -x org.apache.xml.resolver.tools.ResolvingXMLReader
> -y org.apache.xml.resolver.tools.ResolvingXMLReader
> -r org.apache.xml.resolver.tools.CatalogResolver
> -u
>
> (Without the -u I don't get the word "override" in my debug output, so I 
> assume it's needed, but I don't understand why.)
>
> mybook.xml begins as follows:
>  - -
> <?xml version="1.0" standalone="no"?>
> <!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook V4.4//EN"
>      "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd";
>>
> <book id="TestBookOne">
>  ...
>  - -
>
> The verbosity=4 output is as follows (paths simplified, output 
> shortened):
>  - -
> Parse catalog: file:/docbook/schemas/docbook-4.4/docbook.cat
> Loading catalog: file:/docbook/schemas/docbook-4.4/docbook.cat
> Default BASE: file:/docbook/schemas/docbook-4.4/docbook.cat
> override: yes
> OVERRIDE: yes
> public: -//OASIS//DTD DocBook XML V4.4//EN
>         docbookx.dtd
> PUBLIC: -//OASIS//DTD DocBook XML V4.4//EN
>         file:/docbook/schemas/docbook-4.4/docbookx.dtd
> system: http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd
>         docbookx.dtd
> SYSTEM: http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd
>         file:/docbook/schemas/docbook-4.4/docbookx.dtd
> system: http://docbook.org/xml/4.4/docbookx.dtd
>         docbookx.dtd
> SYSTEM: http://docbook.org/xml/4.4/docbookx.dtd
>         file:/docbook/schemas/docbook-4.4/docbookx.dtd
> public: -//OASIS//DTD DocBook CALS Table Model V4.4//EN
>         calstblx.dtd
> PUBLIC: -//OASIS//DTD DocBook CALS Table Model V4.4//EN
>         file:/docbook/schemas/docbook-4.4/calstblx.dtd
> public: -//OASIS//ELEMENTS DocBook XML HTML Tables V4.4//EN
>         htmltblx.mod
> PUBLIC: -//OASIS//ELEMENTS DocBook XML HTML Tables V4.4//EN
>         file:/docbook/schemas/docbook-4.4/htmltblx.mod
> [...]
> public: ISO 8879:1986//ENTITIES Non-Russian Cyrillic//EN//XML
>         ent/isocyr2.ent
> PUBLIC: ISO 8879:1986//ENTITIES Non-Russian Cyrillic//EN//XML
>         file:/docbook/schemas/docbook-4.4/ent/isocyr2.ent
> resolveURI(file:/project/mybook.xml)
> Parse catalog: file:/docbook/schemas/docbook-4.4/docbook.cat
> Loading catalog: file:/docbook/schemas/docbook-4.4/docbook.cat
> Default BASE: file:/docbook/schemas/docbook-4.4/docbook.cat
> PUBLIC: -//OASIS//DTD DocBook XML V4.4//EN
>         file:/docbook/schemas/docbook-4.4/docbookx.dtd
> PUBLIC: -//OASIS//DTD DocBook CALS Table Model V4.4//EN
>         file:/docbook/schemas/docbook-4.4/calstblx.dtd
> [...]
> resolveURI(file:/project/mybook.xml)
> Resolved URI: file:/project/mybook.xml
>         file:/project/mybook.xml
> resolveURI(file:/templates/mytemplate.xsl)
> resolveURI(file:/templates/mytemplate.xsl)
> Resolved URI: file:/templates/mytemplate.xsl
>         file:/templates/mytemplate.xsl
> resolveSystem(http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd)
> resolveSystem(http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd)
> resolvePublic(-//OASIS//DTD DocBook 
> V4.4//EN,http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd)
> resolvePublic(-//OASIS//DTD DocBook 
> V4.4//EN,http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd)
>  - -
>
> I know it is going to the network for the DTD every time it builds a file 
> because I can change the oasis-open.org URL to a localhost URL on a port 
> listening for HTTP requests, and I see them happen with my listener.  My 
> listener returns a success code but no other data, and the build still 
> succeeds.  If I cause the network access to fail, such as by using the 
> original DTD URL and unplugging the network cable, or by using the 
> localhost URL and shutting down my listener app, the build fails.
>
> Thanks for any assistance you can provide!
>
> -- Dan
>
>
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>
>
> 




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