[mapserver-users] [TINYOWS] Circular references in schemas?

[Stephen Woodbridge]

I did not try it with the earlier version of libxml2, but I am using 2.8 
without any problems.

-Steve

On 8/30/2012 12:12 PM, Eric wrote:
> Hello list,
> I have tried to search through the past archives but couldn't locate an
> answer to my question. Apologies if this has already been answered.
>
> I have just compiled TINYOWS and installed/configured it. I am going
> through the tutorials, and in OL, I get the following error:
>
>     <?xml version='1.0' encoding='UTF-8'?>
>     <ows:ExceptionReport
>     xmlns='http://www.opengis.net/ows'
>     xmlns:ows='http://www.opengis.net/ows'
>     xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance'
>     xsi:schemaLocation='http://www.opengis.net/ows
>     http://schemas.opengis.net/ows/1.0.0/owsExceptionReport.xsd'
>     version='1.1.0' language='en'>
>     <ows:Exception exceptionCode='InvalidParameterValue' locator='request'>
>     <ows:ExceptionText>XML request isn't valid</ows:ExceptionText>
>     </ows:Exception>
>     </ows:ExceptionReport>
>
>
> On the server side, tinyows gives me the following error:
>
>     [ERROR] Element '{http://www.w3.org/2001/XMLSchema}import': The
>     schema document
>     '/usr/local/tinyows/schema/gml/3.1.1/base/geometryAggregates.xsd'
>     cannot be imported, since it was already included or redefined.
>
> Which seems to indicate a circular reference in the XSDs. I am using
> libxml2 v2.6. I noticed that the recommended version for libxml2 is 2.8.
> Will upgrading to the latest version resolve the issue?
>
> My configuration file is as follows:
>
>     <tinyows online_resource="http://127.0.0.1/cgi-bin/tinyows"
>              schema_dir="/usr/local/tinyows/schema/"
>              log="/var/log/tinyows.log"
>              log_level="7"
>              check_schema="1">
>     ......
>     <layer retrievable="1"
>              writable="1"
>              ns_uri="http://www.tinyows.org/"
>              ns_prefix="demo"
>              name="frida"
>              title="Frida Parks" />
>     </tinyows>
>
> Thanks for your help,
> Eric
>
>
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