Org.w3c.dom.DOMException: NO_MODIFICATION_ALLOWED_ERR

Question

Hi,
I got this error when trying to add new node to Document object
     public Document createDomFromXML(String strXmlFile)
          throws Exception {
          DocumentBuilder builder = DocumentBuilderFactory.newInstance().newDocumentBuilder();     
          Document document = builder.parse(strXmlFile);
          return document;
                     dom=createDomFromXML("tempa\late.xml");
                     dom.getFirstChild().appendChild(entityNode);
                     //got error here
my xml file is
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE tree [ 
<!ELEMENT tree (entity*)>
<!ELEMENT entity (description*,image*,imageOpen*,contents*)>
<!ELEMENT description (#PCDATA)>
<!ELEMENT image (#PCDATA)>
<!ELEMENT imageOpen (#PCDATA)>
<!ELEMENT contents (#PCDATA)>
<!ATTLIST tree idCount CDATA #IMPLIED>
<!ATTLIST entity id ID #REQUIRED>
<!ATTLIST entity modify CDATA #IMPLIED>
<!ATTLIST entity parentid CDATA #IMPLIED>
<!ATTLIST entity hours CDATA #IMPLIED>
<!ATTLIST entity minutes CDATA #IMPLIED>
]>
<tree xml:IdCount="0"></tree>
Please help
Regards
Siddharth

Answer 1

In the [DOM specification|http://www.w3.org/TR/2004/REC-DOM-Level-3-Core-20040407] a Document can only have one Element child. This is the 'document element'. You should be appending to that, not the Document.