xml - XSD Non sense error. The attribute 'filter' is not allowed -

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i got next xml:

<!-- language: xml --> <message name="msg1" type="simple">     <doc> message send </doc>     <parameters>         <parameter name="param1" type="byte" filter="2" mask="on">             <fields>                 <field encode="hex">                     <values>                         <value name="indicator" id="0"/>                     </values>                 </field>             </fields>         </parameter>         <parameter name="param2" type="byte" filter="3" mask="on"/>         <parameter name="param3" type="byte"/>     </parameters> </message>

and xsd file one:

    <xs:element name="message" minoccurs="0" maxoccurs="unbounded">         <xs:complextype>             <xs:choice maxoccurs="unbounded">                 <xs:element ref="doc" minoccurs="0"/>                 <xs:element name="parameters" minoccurs="0">                     <xs:complextype>                         <xs:choice maxoccurs="unbounded">                             <xs:element name="parameter" minoccurs="0" maxoccurs="unbounded">                                 <xs:complextype>                                     <xs:choice maxoccurs="unbounded">                                         <xs:element ref="doc" minoccurs="0"/>                                         <xs:element name="fields" minoccurs="0">                                             <xs:complextype>                                                 <xs:choice maxoccurs="unbounded">                                                     <xs:element name="field" minoccurs="0" maxoccurs="unbounded">                                                         <xs:complextype>                                                             <xs:choice maxoccurs="unbounded">                                                                 <xs:element ref="doc" minoccurs="0"/>                                                                     <xs:element name="values" minoccurs="0">                                                                     <xs:complextype>                                                                         <xs:choice maxoccurs="unbounded">                                                                             <xs:element ref="doc" minoccurs="0"/>                                                                                 <xs:element name="value" minoccurs="1" maxoccurs="unbounded">                                                                                 <xs:complextype>                                                                                     <xs:attribute name="name" type="xs:string" use="required">                                                                                         <xs:annotation>                                                                                             <xs:documentation>name of value</xs:documentation>                                                                                         </xs:annotation>                                                                                     </xs:attribute>                                                                                     <xs:attribute name="id" type="xs:string" use="required">                                                                                         <xs:annotation>                                                                                             <xs:documentation>the value</xs:documentation>                                                                                         </xs:annotation>                                                                                     </xs:attribute>                                                                                 </xs:complextype>                                                                             </xs:element>                                                                         </xs:choice>                                                                     </xs:complextype>                                                                 </xs:element>                                                             </xs:choice>                                                             <xs:attribute name="encode" type="xs:string" default="hex">                                                                 <xs:annotation>                                                                     <xs:documentation>encoding</xs:documentation>                                                                 </xs:annotation>                                                             </xs:attribute>                                                         </xs:complextype>                                                     </xs:element>                                                 </xs:choice>                                             </xs:complextype>                                             <xs:unique name="unique_filed_name">                                                 <xs:selector xpath="field"/>                                                 <xs:field xpath="@name"/>                                             </xs:unique>                                         </xs:element>                                     </xs:choice>                                     <xs:attribute name="name" type="xs:string" use="required"/>                                     <xs:attribute name="type" type="xs:string"/>                                     <xs:attribute name="filter" type="xs:string"/>                                     <xs:attribute name="mask" type="xs:string"/>                                 </xs:complextype>                             </xs:element>                         </xs:choice>                     </xs:complextype>                     <xs:unique name="unique_parameter_name">                         <xs:selector xpath="parameter"/>                         <xs:field xpath="@name"/>                     </xs:unique>                 </xs:element>             </xs:choice>             <xs:attribute name="name">                 <xs:annotation>                     <xs:documentation>unique</xs:documentation>                 </xs:annotation>             </xs:attribute>             <xs:attribute name="type" type="messagetypes" use="required">                 <xs:annotation>                     <xs:documentation>select valid type</xs:documentation>                 </xs:annotation>             </xs:attribute>         </xs:complextype>     </xs:element>

and got error without sense because added filter xsd:

element 'parameter', attribute 'filter': attribute 'filter' not allowed.

could me on explain me why got error seems difficult solve?

when paste "schema" xs:schema element , run it, get

error @ xs:element on line 3 column 69 of test.xsd:   attribute @minoccurs not allowed on element <xs:element> error @ xs:element on line 3 column 69 of test.xsd:   attribute @maxoccurs not allowed on element <xs:element>

this suggests xs:element not top-level element, we're not seeing whole picture.

when fix that, lot more errors, these:

on line 6 of test.xsd:   element {doc} referenced, has not been declared on line 77 of test.xsd:   type {messagetypes} referenced, has not been declared

when fix these errors, instance valid against schema.

i can conclude in cutting down real code section have posted, have inadvertently removed part wrong.

but agree message makes no sense. xsd processor using?


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