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Bug 630130 - GML schema will not validate, works in W3C tool.
GML schema will not validate, works in W3C tool.
Product: libxml2
Classification: Platform
Component: general
Other All
: Normal normal
: ---
Assigned To: Daniel Veillard
libxml QA maintainers
Depends on:
Reported: 2010-09-20 09:25 UTC by Joshua McKenty
Modified: 2011-08-04 13:21 UTC
See Also:
GNOME target: ---
GNOME version: ---

patch to work with GML XML Schema (487 bytes, patch)
2011-04-26 03:38 UTC, TOYODA Eizi
none Details | Review
test xsd & xml files and sh-script (23.38 KB, text/plain)
2011-04-26 03:39 UTC, TOYODA Eizi

Description Joshua McKenty 2010-09-20 09:25:29 UTC
gml_error.xsd:15: element complexType: Schemas parser error : local list type: A type, derived by list or union, must have the simple ur-type definition as base type, not '{}doubleList'.

  WXS schema gml_error.xsd failed to compile

This bug has been reported on the mailing list since 2007 (, with a suggested patch in March of this year at While I'm not sure that the patch is correct, I can also reproduce this bug.
Comment 1 gcpp.kalxas 2011-04-06 02:26:11 UTC
I am having the same issue, as reported in the above message. I am using lxml binding and I get the error as in

Are there any news on this issue?
Has anyone provided a patch for this?

Comment 2 TOYODA Eizi 2011-04-26 03:38:17 UTC
Created attachment 186635 [details] [review]
patch to work with GML XML Schema
Comment 3 TOYODA Eizi 2011-04-26 03:39:40 UTC
Created attachment 186636 [details]
test xsd & xml files and sh-script
Comment 4 TOYODA Eizi 2011-04-26 03:44:28 UTC
Comment on attachment 186635 [details] [review]
patch to work with GML XML Schema

Hi, I had the same problem.

The suggested patch didn't work for libxml2-2.7.8.  I had to change it as

This patch suppresses above-mentioned error, so GML schema can now be used.
Patched validator can correctly detect valid and invalid structure of
gml:doubleList and its derived types (pls find attached test files).

Comment 5 Daniel Veillard 2011-08-04 13:21:39 UTC
Thanks Eizi !
I have commited the patch to git upstream so hopefully it will
be in the next release.
I still want to incorporate the test in libxml2 own test suite
but it may need a bit more work,

  thanks again !