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https://issues.apache.org/jira/browse/XMLBEANS-382?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andreas Klöber updated XMLBEANS-382:
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Attachment: xmlBeansTest.zip
code and resources for the demonstration
> Twice traversion of XmlBeans DOM-implementation fails
> -----------------------------------------------------
>
> Key: XMLBEANS-382
> URL: https://issues.apache.org/jira/browse/XMLBEANS-382
> Project: XMLBeans
> Issue Type: Bug
> Components: DOM
> Affects Versions: Version 2.4
> Environment: Windows Xp Professional, Sun JDK 1.5.0-16
> Reporter: Andreas Klöber
> Priority: Critical
> Attachments: xmlBeansTest.zip
>
>
> After parsing an XML-file with the generic XmlObject.Factory.parse-method the
> traversion of the DOM-Reprsentation fails the second time. The following
> shortened example demonstrates this:
> content of example_fail.xml:
> <a>
> <!--comment-->
> <b>example</b>
> </a>
> example-code:
> <code>
> import java.io.File;
> import org.apache.xmlbeans.XmlObject;
> import org.w3c.dom.Document;
> import org.w3c.dom.Node;
> public class XmlBeansBug {
>
> private static String EXAMPLE_XML_FILE_FAIL = "example_fail.xml";
> private static void traverseNodes(Node node){
> //get first child (<a>-node)
> Node aNode = node.getFirstChild();
>
> //get next child (#TEXT-node)
> Node textNode1 = aNode.getFirstChild();
>
> //get next sibling (#COMMENT-node)
> Node commentNode = textNode1.getNextSibling();
>
> //get next sibling (second #TEXT-node)
> boolean hasCommentNodeChildes = commentNode.hasChildNodes();
> System.out.println(" has comment-node child-nodes: " +
> hasCommentNodeChildes);
>
> if(hasCommentNodeChildes){
> Node chilfOfCommentNode = commentNode.getFirstChild();
> System.out.println(" child of comment-node is: " +
> chilfOfCommentNode);
> }
>
> Node textNode2 = commentNode.getNextSibling();
> //get next sibling (<b>-node)
> Node bNode = textNode2.getNextSibling();
> }
> public static void main(String[] args) throws Throwable {
> XmlObject exampleFailXmlObject = XmlObject.Factory
> .parse(new File(EXAMPLE_XML_FILE_FAIL));
> Document exampleFailDocument = (Document) exampleFailXmlObject
> .getDomNode();
> System.out.println("First run:");
> traverseNodes(exampleFailDocument);
> System.out.println("Second run:");
> traverseNodes(exampleFailDocument);
> }
> }
> </code>
> The first time hasChildNodes() on the comment-node returns false, which is
> correct. The second time it returns true althoughthere have only been reading
> operations on the DOM-model. The further call of getFirstChild() returns null
> although the previous call to hasChildNodes() returned true.
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