Program: 72785
Project: 72785
Buggy source:
/** 
 * Generate the .moml file for this nesC component.
 * @param sourcePath The path to the component source file (.nc).
 * @param componentName The name of the component (no suffix).
 * @param outputFile The file to generate.
 */
public static void generateComponent(String sourcePath,String componentName,String outputFile){
  Element root=new Element("String_Node_Str");
  root.setAttribute("String_Node_Str",componentName);
  root.setAttribute("String_Node_Str","String_Node_Str");
  Element source=new Element("String_Node_Str");
  source.setAttribute("String_Node_Str","String_Node_Str");
  source.setAttribute("String_Node_Str",sourcePath);
  root.addContent(source);
  DocType plot=new DocType("String_Node_Str","String_Node_Str","String_Node_Str");
  Document doc=new Document(root,plot);
  ListIterator interfaces=Xnesc.interfaceList.listIterator();
  while (interfaces.hasNext()) {
    Xinterface intf=(Xinterface)interfaces.next();
    Element port=new Element("String_Node_Str");
    port.setAttribute("String_Node_Str",intf.name);
    port.setAttribute("String_Node_Str","String_Node_Str");
    Element portType=new Element("String_Node_Str");
    String portTypeValue=(intf.provided) ? "String_Node_Str" : "String_Node_Str";
    portType.setAttribute("String_Node_Str",portTypeValue);
    port.addContent(portType);
    if (intf.parameters != null) {
      Element multiport=new Element("String_Node_Str");
      multiport.setAttribute("String_Node_Str","String_Node_Str");
      port.addContent(multiport);
    }
    Element showName=new Element("String_Node_Str");
    showName.setAttribute("String_Node_Str","String_Node_Str");
    showName.setAttribute("String_Node_Str","String_Node_Str");
    port.addContent(showName);
    root.addContent(port);
  }
  try {
    FileOutputStream out=null;
    if (outputFile != null) {
      out=new FileOutputStream(outputFile);
    }
    XMLOutputter serializer=new XMLOutputter(Format.getPrettyFormat());
    Format format=serializer.getFormat();
    format.setOmitEncoding(true);
    format.setLineSeparator("String_Node_Str");
    serializer.setFormat(format);
    if (out != null) {
      serializer.output(doc,out);
      out.flush();
      out.close();
    }
 else {
      serializer.output(doc,System.out);
    }
  }
 catch (  IOException e) {
    System.err.println(e);
  }
}

Fixed version (ground truth):
/** 
 * Generate the .moml file for this nesC component.
 * @param sourcePath The path to the component source file (.nc).
 * @param componentName The name of the component (no suffix).
 * @param outputFile The file to generate.
 */
public static void generateComponent(String sourcePath,String componentName,String outputFile){
  Element root=new Element("String_Node_Str");
  root.setAttribute("String_Node_Str",componentName);
  root.setAttribute("String_Node_Str","String_Node_Str");
  Element source=new Element("String_Node_Str");
  source.setAttribute("String_Node_Str","String_Node_Str");
  source.setAttribute("String_Node_Str",sourcePath);
  root.addContent(source);
  DocType plot=new DocType("String_Node_Str","String_Node_Str","String_Node_Str");
  Document doc=new Document(root,plot);
  ListIterator interfaces=Xnesc.interfaceList.listIterator();
  while (interfaces.hasNext()) {
    Xinterface intf=(Xinterface)interfaces.next();
    Element port=new Element("String_Node_Str");
    port.setAttribute("String_Node_Str",intf.name);
    port.setAttribute("String_Node_Str","String_Node_Str");
    Element portType=new Element("String_Node_Str");
    String portTypeValue=(intf.provided) ? "String_Node_Str" : "String_Node_Str";
    portType.setAttribute("String_Node_Str",portTypeValue);
    port.addContent(portType);
    if (intf.parameters != null) {
      Element multiport=new Element("String_Node_Str");
      multiport.setAttribute("String_Node_Str","String_Node_Str");
      port.addContent(multiport);
    }
    Element showName=new Element("String_Node_Str");
    showName.setAttribute("String_Node_Str","String_Node_Str");
    showName.setAttribute("String_Node_Str","String_Node_Str");
    port.addContent(showName);
    root.addContent(port);
  }
  FileOutputStream out=null;
  try {
    if (outputFile != null) {
      out=new FileOutputStream(outputFile);
    }
    XMLOutputter serializer=new XMLOutputter(Format.getPrettyFormat());
    Format format=serializer.getFormat();
    format.setOmitEncoding(true);
    format.setLineSeparator("String_Node_Str");
    serializer.setFormat(format);
    if (out != null) {
      serializer.output(doc,out);
    }
 else {
      serializer.output(doc,System.out);
    }
  }
 catch (  IOException ex) {
    ex.printStackTrace();
  }
 finally {
    if (out != null) {
      try {
        out.flush();
        out.close();
      }
 catch (      IOException ex) {
        ex.printStackTrace();
      }
    }
  }
}