Hi, Mihran.

Can you provide actual files, including a complete xsd file?

On Sat, Jul 6, 2013 at 12:03 AM, Mihran Hovsepyan (JIRA)
<[email protected]> wrote:
> Mihran Hovsepyan created XERCESC-2017:
> -----------------------------------------
>
>              Summary: Xerces-C++ is not always able to handle W3C standard 
> keyref
>                  Key: XERCESC-2017
>                  URL: https://issues.apache.org/jira/browse/XERCESC-2017
>              Project: Xerces-C++
>           Issue Type: Bug
>           Components: Validating Parser (XML Schema)
>     Affects Versions: 3.1.1
>             Reporter: Mihran Hovsepyan
>
>
> I use *Xerces-C++ 3.1.1* to validate schema of xml files. Bellow is example 
> of some such file.
>
>         <CONFIG>
>                 <DBS>
>                         <DB ID="D">
>                                 <!--...-->
>                         </DB>
>                         <VDB ID="V">
>                                 <!--...-->
>                                 <PARTS>
>                                         <PART_DB ID="V1" />
>                                         <PART_DB ID="V2" />
>                                 </PARTS>
>                         </VDB>
>                         <!--...-->
>                 </DBS>
>                 <HOSTS>
>                         <HOST ID="host1">
>                                 <DBS>
>                                         <DB ID="D">
>                                         <!--...-->
>                                         </DB>
>                                         <DB ID="V1">
>                                         <!--...-->
>                                         </DB>
>                                         <DB ID="V2">
>                                         <!--...-->
>                                         </DB>
>                                 </DBS>
>                                 <VDBS>
>                                         <DB ID="V">
>                                         <!--...-->
>                                         </DB>
>                                 </VDBS>
>                         </HOST>
>                         <!--...-->
>                 </HOSTS>
>         </CONFIG>
>
> And in its schema the following key and keyref are defined for the root 
> element `CONFIG`.
>
>         <xsd:key name="DbIdKey">
>                 <xsd:selector 
> xpath="./DBS/DB|./DBS/VDB|./DBS/VDB/PARTS/PART_DB" />
>                 <xsd:field xpath="@ID" />
>         </xsd:key>
>         <xsd:keyref name="DbIdRef" refer="DbIdKey">
>                 <xsd:selector 
> xpath="./HOSTS/HOST/DBS/DB|./HOSTS/HOST/VDBS/DB" />
>                 <xsd:field xpath="@ID" />
>         </xsd:keyref>
>
> So, though the file meets requirements of the schema according to *W3C* and 
> some validators understand that (for instance XML validator of *MS Visual 
> Studio*), *Xerces-C++ 3.1.1* unable to do that. It complains:
>
>     identity constraint key for element 'CONFIG' not found (last_line, 
> last_column_of_last_line)
>
>
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