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When I parse this xhtml file as xml, it takes approximately 2 minutes to do the parsing on such a simple file. I have found that if I remove the doctype declaration, it parses nigh instantaneously. What is wrong that is causing this file to take so long to parse?
Java Example
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
dbf.setNamespaceAware( true );
DocumentBuilder bob = dbf.newDocumentBuilder();
Document template = bob.parse( new InputSource( new FileReader( xmlFile ) ) );
XHTML Example
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"
xmlns:ex="http://www.example.com/schema/v1_0_0">
<head><title>Test</title></head>
<body>
<h1>Test</h1>
<p>Hello, World!</p>
<p><ex:test>Text</ex:test></p>
</body>
</html>
Thanks
Edit: Solution
To actually fix the problem based on the information provided about why it was happening in the first place, I did these basic steps:
I referenced this SO answer in doing so: how to validate XML using java?
New EntityResolver
import java.io.IOException;
import org.xml.sax.EntityResolver;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
public class LocalXhtmlDtdEntityResolver implements EntityResolver {
/* (non-Javadoc)
* @see org.xml.sax.EntityResolver#resolveEntity(java.lang.String, java.lang.String)
*/
@Override
public InputSource resolveEntity( String publicId, String systemId )
throws SAXException, IOException {
String fileName = systemId.substring( systemId.lastIndexOf( "/" ) + 1 );
return new InputSource(
getClass().getClassLoader().getResourceAsStream( fileName ) );
}
}
How to use new EntityResolver:
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
dbf.setNamespaceAware( true );
DocumentBuilder bob = dbf.newDocumentBuilder();
bob.setEntityResolver( new LocalXhtmlDtdEntityResolver() );
Document template = bob.parse( new InputSource( new FileReader( xmlFile ) ) );
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Java is downloading the specified DTD and its and included files in order to validate that your xhtml file obeys the specified DTD. Using Charles proxy I recorded the following requests taking the specified amounts to load:
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