[Fiware-tech-help] [WebUI][3DXML3D Issues] XML3D doesn’t load json resources

Fi-ware ULPGC fiware at ulpgc.es
Tue Nov 4 13:58:38 CET 2014


 Hi,

 We really appreciate the clarification made as we found the issue not very
intuitive (comparing the resources to local css and .js files).

 We tested accessing the examples through a local XAMPP installation and
everything worked as expected.

The same *suzanne.html* file that we reported to fail can be seen
successfully loaded from localhost in the image *Model_loaded.png*.

Best regards,


2014-11-04 10:48 GMT+00:00 Philipp Slusallek <philipp.slusallek at dfki.de>:

> Hi,
>
> This is an expected behaviour of XML3D because of the CORS (Cross-Origin
> Ressource Sharing) handling in browsers. The browser refuses to access
> other local files referenced from a local HTML page because of security
> reasons.
>
> This can only be dealt with by going through a Web browser, where the
> browser adds the necessary HTML CORS-headers (which impossible with
> local files).
>
> Just to clear: The installation manual never suggests to locally copy
> and run the examples. And this behaviour is documented for XML3D.
>
> But we will check again and may make sure this more prominently visible
> in the installation manual to avoid similar user errors in the future.
>
> BTW, this still is ticket HELP-1003 right now.
>
> Best,
>
>         Philipp
>
>
> Am 04.11.2014 um 10:17 schrieb Fi-ware ULPGC:
> > Description:
> >
> > When we git clone the examples repository indicated above and run locally
> > the page ‘suzanne.html’, the model isn’t loaded and we receive the
> error
> > "Could not load external document
> >
> 'file:/C:/Users/Alejandro/Desktop/TaskForce/3D-UI-XML3D/xml3d-examples/examples/suzanne/./suzanne.json':
> > 0 - ".
> >
> > This happens with any example we try to test locally. The expected output
> > can be seen in the image XML3D_doesn’t_load_json_resources_1.png, as
> it is
> > ran from the online demo page. The error can be seen in the image
> > XML3D_doesn’t_load_json_resources_2.png.
> >
> >
> > Link:
> >
> http://forge.fi-ware.org/plugins/mediawiki/wiki/fiware/index.php/3D-UI_-_XML3D_-_User_and_Programmers_Guide
> >
> > Web Browser: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:33.0) Gecko/20100101
> > Firefox/33.0
> > GitHub repository: https://github.com/xml3d/xml3d-examples
> > Online Demo:
> > http://xml3d.github.io/xml3d-examples/examples/suzanne/suzanne.html
> >
> >
> >
> > _______________________________________________
> > Fiware-tech-help mailing list
> > Fiware-tech-help at lists.fi-ware.org
> > https://lists.fi-ware.org/listinfo/fiware-tech-help
> >
>
>
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