[
https://issues.apache.org/jira/browse/XERCESJ-1604?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Maurizio Merli updated XERCESJ-1604:
------------------------------------
Attachment: web_dossier_mars.rar
The test class is this:
package test;
import java.io.File;
import java.io.FileInputStream;
import java.util.concurrent.TimeUnit;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.xpath.XPathExpression;
import javax.xml.xpath.XPathFactory;
import org.w3c.dom.Document;
public class BigCData {
public static void main(String[] args) throws Exception {
DocumentBuilderFactory factory =
DocumentBuilderFactory.newInstance(
"org.apache.xerces.jaxp.DocumentBuilderFactoryImpl",
BigCData.class.getClassLoader());
factory.setNamespaceAware(true);
factory.setValidating(false);
try {
factory.setFeature("http://apache.org/xml/features/dom/defer-node-expansion";,
false);
factory.setFeature("http://apache.org/xml/features/nonvalidating/load-external-dtd";,
false);
//
factory.setAttribute("http://apache.org/xml/properties/input-buffer-size";, new
Integer(100000000));
} catch (Throwable ex) {
System.err.println("Cannot set IGNORE DTD feature. You
can have performace problems.");
}
XPathExpression xpath =
XPathFactory.newInstance().newXPath().compile("//style");
long t0 = System.nanoTime();
File file = new
File("/Users/maurizio/Downloads/web_dossier_mars.xml");
Document doc = factory.newDocumentBuilder().parse(new
FileInputStream(file));
long dt = System.nanoTime() - t0;
System.out.println(TimeUnit.NANOSECONDS.toMillis(dt) + " parse
> " + doc);
String nodeValue = xpath.evaluate(doc);
dt = System.nanoTime() - t0;
System.out.println(TimeUnit.NANOSECONDS.toMillis(dt) + " xpath
> " + nodeValue.length());
}
}
> Big CDATA section cause a loop
> ------------------------------
>
> Key: XERCESJ-1604
> URL: https://issues.apache.org/jira/browse/XERCESJ-1604
> Project: Xerces2-J
> Issue Type: Bug
> Components: DOM (Level 3 Core)
> Reporter: Maurizio Merli
> Attachments: web_dossier_mars.rar
>
>
> Parsing a document with a big CDATA section (about 25MB) with the feature
> "http://apache.org/xml/features/dom/defer-node-expansion"; set to false, cause
> an infinite loop.
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