if(schemaInstancePrefix == null) {
//Not decalred in the doc
nsr = getNamespaceResolverForField(xmlField);
schemaInstancePrefix = nsr.resolveNamespaceURI(XMLConstants.SCHEMA_INSTANCE_URL);
if(schemaInstancePrefix == null) {
schemaInstancePrefix = nsr.generatePrefix(XMLConstants.SCHEMA_INSTANCE_PREFIX);
}
parentElement.setAttributeNS(XMLConstants.XMLNS_URL, XMLConstants.XMLNS + XMLConstants.COLON + schemaInstancePrefix, XMLConstants.SCHEMA_INSTANCE_URL);
}
parentElement.setAttributeNS(XMLConstants.SCHEMA_INSTANCE_URL, XMLConstants.SCHEMA_INSTANCE_PREFIX + ":" + XMLConstants.SCHEMA_NIL_ATTRIBUTE, XMLConstants.BOOLEAN_STRING_TRUE);
parentElement.removeChild(node);