[jira] Updated: (XMLCOMMONS-24) relative entries from xml catalog files resolve to file:d:/dir/file.txt

["Michael Glavassevich (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/XMLCOMMONS-24?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michael Glavassevich updated XMLCOMMONS-24:
-------------------------------------------

    Affects Version/s:     (was: 1.x)
                       XML Commons Resolver 1.1.0

> relative entries from xml catalog files resolve to file:d:/dir/file.txt
> -----------------------------------------------------------------------
>
>                 Key: XMLCOMMONS-24
>                 URL: https://issues.apache.org/jira/browse/XMLCOMMONS-24
>             Project: XmlCommons
>          Issue Type: Bug
>          Components: XML Commons Resolver (resolver.jar)
>    Affects Versions: XML Commons Resolver 1.1.0
>         Environment: Operating System: Windows XP
> Platform: PC
>            Reporter: Constantine Plotnikov
>            Assignee: Commons Developers Mailing List
>
> I have problems with xml-resover package on win32. For relative uris in xml
> catalogs located at file system (and likely in other cases where file URI is
> returned), the URI is returned in form "file:c:/dir/file.txt", but apparently
> this form of URIs is not recognized as hierachical URI. I have found a
> workaround for this problem (it just adds "/" before letter+":" and after
> "file:" if it is not there), but I would really like to have problem fixed. The
> problem was encountered when using the following catalog file:
> <catalog xmlns='urn:oasis:names:tc:entity:xmlns:xml:catalog' prefer="system">
> 	<public publicId='-//XJ//XJ Standard 0.0' uri="./xj.grammar"/>
> </catalog>
> Below is an answer to my message about having problem with such URIs
> returned by resolver in EMF (www.eclipse.org/emf).
> As a fix, I suggest to add slash on win32 platform before path.
> Constantine
> -----------------------------------------
> http://www.eclipse.org/newsportal/article.php?id=3220&group=eclipse.tools.emf
> The password could be obtained at page: http://www.eclipse.org/newsgroups/index.html
> Hi Constantine,
> Here is the problem exactly: "file:C:/dir/file.txt" is a valid URI, and EMF
> handles it, but it is not considered a hierarchical URI according to RFC 2396,
> and hence, according to EMF.  In order to be considered a hierarchical URI, the
> scheme-specific part must begin with a slash, so for example, "file:/c:/tmp.txt"
> is hierarchical.
> Because your URI is not hierarchical, it has no segments, hence no last segment,
> and no extension.  So, EMF looks for a resource factory registered against the
> null-string extension and finds none.  That produces the execption you see.
> Someone introduced a hack into EMF 1 that allowed URIs of that form to be
> considered hierarchical, but that broke resolve(), so we decided to go back to
> the proper definition from the RFC in EMF 2.0.
> Cheers,
> Dave

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