Program: 177135
Project: 177135
Buggy source:
/** 
 * Returns the qname of the element that has the first parameter as the namespace, the second as the element.
 * @param list The arguments.
 * @return The qname.
 */
public Object exec(List list) throws TemplateModelException {
  if (list.size() < 1) {
    throw new TemplateModelException("String_Node_Str");
  }
  TemplateModel from=(TemplateModel)list.get(0);
  Object unwrapped=BeansWrapper.getDefaultInstance().unwrap(from);
  if (unwrapped instanceof Accessor) {
    DecoratedTypeMirror accessorType=(DecoratedTypeMirror)((Accessor)unwrapped).getBareAccessorType();
    if (accessorType.isInstanceOf(JAXBElement.class.getName())) {
      unwrapped=KnownXmlType.ANY_TYPE.getQname();
    }
 else     if (unwrapped instanceof Element && ((Element)unwrapped).getRef() != null) {
      unwrapped=((Element)unwrapped).getRef();
    }
 else {
      unwrapped=((Accessor)unwrapped).getBaseType();
    }
  }
  if (unwrapped instanceof XmlType) {
    if (unwrapped instanceof XmlClassType && ((XmlType)unwrapped).isAnonymous()) {
      unwrapped=((XmlClassType)unwrapped).getTypeDefinition();
    }
 else {
      unwrapped=((XmlType)unwrapped).getQname();
    }
  }
  if (unwrapped instanceof TypeDefinition) {
    if (((TypeDefinition)unwrapped).isAnonymous()) {
      unwrapped=new QName(((TypeDefinition)unwrapped).getNamespace(),"String_Node_Str" + ((TypeDefinition)unwrapped).getSimpleName());
    }
 else {
      unwrapped=((TypeDefinition)unwrapped).getQname();
    }
  }
  if (unwrapped instanceof ElementDeclaration) {
    unwrapped=((ElementDeclaration)unwrapped).getQname();
  }
  if (!(unwrapped instanceof QName)) {
    throw new TemplateModelException("String_Node_Str");
  }
  QName qname=(QName)unwrapped;
  String namespace=qname.getNamespaceURI();
  if ("String_Node_Str".equals(namespace)) {
    namespace=null;
  }
  String prefix=lookupPrefix(namespace).replace('-','_');
  if (prefix == null) {
    throw new TemplateModelException("String_Node_Str" + namespace + "String_Node_Str");
  }
  String localName=qname.getLocalPart();
  if ("String_Node_Str".equals(localName)) {
    return null;
  }
  StringBuilder identifier=new StringBuilder();
  identifier.append(Character.toLowerCase(prefix.charAt(0)));
  identifier.append(prefix.substring(1));
  identifier.append(Character.toUpperCase(localName.charAt(0)));
  identifier.append(localName.substring(1));
  return CDeploymentModule.scrubIdentifier(identifier.toString());
}

Fixed version (ground truth):
/** 
 * Returns the qname of the element that has the first parameter as the namespace, the second as the element.
 * @param list The arguments.
 * @return The qname.
 */
public Object exec(List list) throws TemplateModelException {
  if (list.size() < 1) {
    throw new TemplateModelException("String_Node_Str");
  }
  TemplateModel from=(TemplateModel)list.get(0);
  Object unwrapped=BeansWrapper.getDefaultInstance().unwrap(from);
  if (unwrapped instanceof Accessor) {
    DecoratedTypeMirror accessorType=(DecoratedTypeMirror)((Accessor)unwrapped).getBareAccessorType();
    if (accessorType.isInstanceOf(JAXBElement.class.getName())) {
      unwrapped=KnownXmlType.ANY_TYPE.getQname();
    }
 else     if (unwrapped instanceof Element && ((Element)unwrapped).getRef() != null) {
      unwrapped=((Element)unwrapped).getRef();
    }
 else {
      unwrapped=((Accessor)unwrapped).getBaseType();
    }
  }
  if (unwrapped instanceof XmlType) {
    if (unwrapped instanceof XmlClassType && ((XmlType)unwrapped).isAnonymous()) {
      unwrapped=((XmlClassType)unwrapped).getTypeDefinition();
    }
 else {
      unwrapped=((XmlType)unwrapped).getQname();
    }
  }
  if (unwrapped instanceof TypeDefinition) {
    if (((TypeDefinition)unwrapped).isAnonymous()) {
      unwrapped=new QName(((TypeDefinition)unwrapped).getNamespace(),"String_Node_Str" + ((TypeDefinition)unwrapped).getSimpleName());
    }
 else {
      unwrapped=((TypeDefinition)unwrapped).getQname();
    }
  }
  if (unwrapped instanceof ElementDeclaration) {
    unwrapped=((ElementDeclaration)unwrapped).getQname();
  }
  if (!(unwrapped instanceof QName)) {
    throw new TemplateModelException("String_Node_Str");
  }
  QName qname=(QName)unwrapped;
  String namespace=qname.getNamespaceURI();
  if ("String_Node_Str".equals(namespace)) {
    namespace=null;
  }
  String prefix=lookupPrefix(namespace);
  if (prefix == null) {
    throw new TemplateModelException("String_Node_Str" + namespace + "String_Node_Str");
  }
  prefix=prefix.replace('-','_');
  String localName=qname.getLocalPart();
  if ("String_Node_Str".equals(localName)) {
    return null;
  }
  StringBuilder identifier=new StringBuilder();
  identifier.append(Character.toLowerCase(prefix.charAt(0)));
  identifier.append(prefix.substring(1));
  identifier.append(Character.toUpperCase(localName.charAt(0)));
  identifier.append(localName.substring(1));
  return CDeploymentModule.scrubIdentifier(identifier.toString());
}