Java Development

[tntn]

hi evry body

i need a help iwant to apend child to an element root of document xml but it give me this error:

jvm error 104 uncaught: DOMException

i read the first xml document and i modify in it and i want to append the root of this document to another document xml

code

 XMLDemoScreen() throws IOException, Exception 
    {
    	
    	Document document;
    Document document2;
    
		String	url="file:///SDCard/BlackBerry/inter.xml";
		StreamConnection	conn = (StreamConnection) Connector.open(url);
	
		DocumentBuilderFactory docFac = DocumentBuilderFactory.newInstance();
		DocumentBuilder docBui = null;
		
			docBui = docFac.newDocumentBuilder();
		
	
			document = docBui.parse(conn.openInputStream());
		
		Element root = document.getDocumentElement();
    	
    	
    	
       setTitle( new LabelField( "XML Demo") );
       
    
      
       
		String	url2="file:///SDCard/BlackBerry/documents.xml";
		StreamConnection	conn2 = (StreamConnection) Connector.open(url2);
	
		DocumentBuilderFactory docFac2 = DocumentBuilderFactory.newInstance();
		DocumentBuilder docBui2 = null;
		
			docBui2 = docFac2.newDocumentBuilder();
		
	
			document2 = docBui2.parse(conn2.openInputStream());
		
		Element root2 = document2.getDocumentElement();
		
		NodeList itemes=root.getElementsByTagName("item");
		 Modifierdoc(itemes,"textField10","textField1","textField","textField0","textField2","textField3","textField4","textField5","textField6","textField7","textField8","textField9","textField11","textField12");
			
		
		 add(new RichTextField(root2.getNodeName()));
		 
		 
		Node r= root2.appendChild(root);
}