this seems namespace problems....
please post the complete XSD or at least the xsd header.... if you are
importing other xsd in your main XSD, check if the namespaces are
uniques...
On Tue, Jul 1, 2008 at 5:35 AM, Paul Murray <pmurray_at_bigpond.com> wrote:
> Arrgh!
>
> I tried to use Jaxb to create a binding for schema documents, using the
> schema schema at http://www.w3.org/2001/XMLSchema. Turns out jaxb doesn't
> like the schema schema.
>
> [ERROR] Element "{http://www.w3.org/2001/XMLSchema}annotation" shows up in
> more than one properties.
> line 182 of file:/Users/pmurray/Projects/schemajaxb/XMLSchema.xsd
>
> [ERROR] The following location is relevant to the above error
> line 176 of file:/Users/pmurray/Projects/schemajaxb/XMLSchema.xsd
>
> What do I do about this, when the schema schema itself is ambiguous? As far
> as I can make out, the issue is that an annotation element ... actually ...
> I am not certain that the schema schema is ambiguous at all.
>
> A schema consists of a preamble - any number of incude, import, redefine, or
> annotation elements.
>
> Then a body. Any number of redefinable, element, attribute, or notation
> elements, each separated by any number of annotations.
>
> Annotations appearing between the preamble and the body, by this syntax,
> belong to the preamble. Beats me why jaxb has a problem with it.
>
> The offending bit is this:
> <xs:sequence>
> <xs:choice minOccurs="0" maxOccurs="unbounded"> *** THIS IS LINE 176
> <xs:element ref="xs:include"/>
> <xs:element ref="xs:import"/>
> <xs:element ref="xs:redefine"/>
> <xs:element ref="xs:annotation"/>
> </xs:choice>
> <xs:sequence minOccurs="0" maxOccurs="unbounded"> *** THIS IS LINE 182
> <xs:group ref="xs:schemaTop"/>
> <xs:element ref="xs:annotation" minOccurs="0" maxOccurs="unbounded"/>
> </xs:sequence>
> </xs:sequence>
>
> and "schemaTop" is this:
>
> <xs:group name="schemaTop">
> <xs:annotation>
> <xs:documentation>
> This group is for the
> elements which occur freely at the top level of schemas.
> All of their types are based on the "annotated" type by
> extension.</xs:documentation>
> </xs:annotation>
> <xs:choice>
> <xs:group ref="xs:redefinable"/>
> <xs:element ref="xs:element"/>
> <xs:element ref="xs:attribute"/>
> <xs:element ref="xs:notation"/>
> </xs:choice>
> </xs:group>
>
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