[xep-support] XEP 3.6: error in the resolution of relative URLs in the resource scheme

[Werner Donné]

Thank you for ths fix Nikolai. It is not a major issue.
It is not blocking me in any way.

Regards,

Werner.

Nikolai Grigoriev wrote:
> Werner,
> 
> after analyzing the issue a bit, I realized that there is no chance
> to get relative URLs in entities work properly when the document
> system ID is expressed as 'resource:' URL. The best thing we
> can do is to enable _absolute_ 'resource:' URLs in external
> entities, so that you could write
> 
>    <!ENTITY local SYSTEM "resource:/fonts.local.ent">
>    <!ENTITY mt SYSTEM "resource:/monotype.ent">
> 
> and still have your entities stored separately in the Jar file.
> 
> XEP 3.6.1 is just released with these changes incorporated.
> 
> Best regards,
> Nikolai Grigoriev
> RenderX
> 
> 
> ----- Original Message ----- 
> From: "Werner Donné" <werner.donne at re.be>
> To: "XEP Support" <xep-support at renderx.com>
> Sent: Wednesday, September 17, 2003 12:42 AM
> Subject: [xep-support] XEP 3.6: error in the resolution of relative URLs in the resource scheme
> 
> 
> Hi,
> 
> Thank you for implementing the URL feature.
> 
> There is, however, an error when relative URLs must be resolved. I have put my
> XEP configuration in a jar and added the latter to the classpath. The
> com.renderx.xep.ROOT property is set to "resource:/", which corresponds to the
> way the jar was made. In the etc/fonts.xml file in it I have the following:
> 
> <?xml version="1.0"?>
> <!DOCTYPE fonts
> [
>    <!ENTITY local SYSTEM "fonts.local.ent">
>    <!ENTITY mt SYSTEM "monotype.ent">
> ]>
> 
> ...
> 
> <fonts>
>     &local;
> 
> ...
> </fonts>
> 
> The local entity reference can't be resolved. The following stack trace is produced:
> 
> java.lang.RuntimeException: cannot parse resource:/etc/fonts.xml:
> java.net.MalformedURLException: no protocol: fonts.local.ent
>          at com.renderx.fonts.Finder.init(Unknown Source)
>          at com.renderx.fonts.Finder.init(Unknown Source)
>          at com.renderx.xep.Driver.init(Unknown Source)
>          at com.renderx.xep.Driver.init(Unknown Source)
>          at be.re.tools.XEP.main(XEP.java:294)
>          at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>          at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>          at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>          at java.lang.reflect.Method.invoke(Method.java:324)
>          at be.re.tools.NetWrapper.main(NetWrapper.java:20)
> 
> It seems to consider the system id of the "local" entity as an absolute URL. The base
> URL for resolving "fonts.local.ent" is "resource:/etc/fonts.xml". Hence, the resolution
> should yield "resource:/etc/font.local.ent". This seems to be an EntityResolver issue.
> 
> If the entity reference is removed it works, but then I don't have my local fonts entity
> of course. The good news is anyway that there is a work-around, since one can always
> inline the entity.
> 
> Regards,
> 
> Werner.

-- 
Werner Donné  --  Re BVBA
Engelbeekstraat 8
B-3300 Tienen
tel: (+32) 486 425803	e-mail: werner.donne at re.be

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