Program: 77143
Project: 77143
Buggy source:
/** 
 * Parses the style attribute of the element node and converts the deprecated element node in HTML 4.0, and calls it on its children element nodes recursively
 * @param ele the element node in the DOM tree
 * @param text the text content object
 */
public void execute(Element ele,HashMap styles){
  StyleDeclaration style=null;
  StringBuffer strStyle=new StringBuffer();
  if ("String_Node_Str".equals(ele.getTagName())) {
    appendStyle(strStyle,"String_Node_Str","String_Node_Str");
    ele=replaceElement(ele,"String_Node_Str");
  }
 else   if ("String_Node_Str".equals(ele.getTagName())) {
    appendStyle(strStyle,"String_Node_Str","String_Node_Str");
    ele=replaceElement(ele,"String_Node_Str");
  }
 else   if ("String_Node_Str".equals(ele.getTagName())) {
    appendStyle(strStyle,"String_Node_Str",ele.getAttribute("String_Node_Str"));
    appendStyle(strStyle,"String_Node_Str",ele.getAttribute("String_Node_Str"));
    if (ele.hasAttribute("String_Node_Str")) {
      try {
        int size=Integer.parseInt(ele.getAttribute("String_Node_Str"));
        appendStyle(strStyle,"String_Node_Str",FONT_SIZE[size - 1]);
      }
 catch (      Exception e) {
        logger.log(Level.SEVERE,"String_Node_Str");
      }
    }
    ele.removeAttribute("String_Node_Str");
    ele.removeAttribute("String_Node_Str");
    ele.removeAttribute("String_Node_Str");
    ele=replaceElement(ele,"String_Node_Str");
  }
  try {
    String inlineStyle=ele.getAttribute("String_Node_Str");
    if (null != inlineStyle && !"String_Node_Str".equals(inlineStyle)) {
      strStyle.append(inlineStyle);
    }
    if (strStyle.length() > 0) {
      style=(StyleDeclaration)cssEngine.parseStyleDeclaration(strStyle.toString());
      styles.put(ele,style);
    }
  }
 catch (  Exception e) {
    logger.log(Level.SEVERE,"String_Node_Str" + ele.getAttribute("String_Node_Str"),e);
  }
  ele.removeAttribute("String_Node_Str");
  if (style != null) {
    CSSValue value=(CSSValue)style.getProperty(StyleConstants.STYLE_BACKGROUND_IMAGE);
    if (value != null && value instanceof URIValue) {
      String bgi=((URIValue)value).getStringValue();
      if ((null != bgi) && (!"String_Node_Str".equals(bgi))) {
        if (FileUtil.isLocalResource(bgi)) {
          bgi=FileUtil.getAbsolutePath(rootPath,bgi);
        }
        if (bgi != null) {
          style.setBackgroundImage(bgi);
        }
 else {
          style.removeProperty("String_Node_Str");
        }
      }
    }
  }
  if (style != null) {
    styles.put(ele,style);
  }
  for (int i=0; i < ele.getChildNodes().getLength(); i++) {
    Node child=ele.getChildNodes().item(i);
    if (child.getNodeType() == Node.ELEMENT_NODE) {
      execute((Element)child,styles);
    }
  }
}

Fixed version (ground truth):
/** 
 * Parses the style attribute of the element node and converts the deprecated element node in HTML 4.0, and calls it on its children element nodes recursively
 * @param ele the element node in the DOM tree
 * @param text the text content object
 */
public void execute(Element ele,HashMap styles){
  StyleDeclaration style=null;
  StringBuffer strStyle=new StringBuffer();
  if ("String_Node_Str".equals(ele.getTagName())) {
    appendStyle(strStyle,"String_Node_Str","String_Node_Str");
    ele=replaceElement(ele,"String_Node_Str");
  }
 else   if ("String_Node_Str".equals(ele.getTagName())) {
    appendStyle(strStyle,"String_Node_Str","String_Node_Str");
    ele=replaceElement(ele,"String_Node_Str");
  }
 else   if ("String_Node_Str".equals(ele.getTagName())) {
    appendStyle(strStyle,"String_Node_Str",ele.getAttribute("String_Node_Str"));
    appendStyle(strStyle,"String_Node_Str",ele.getAttribute("String_Node_Str"));
    if (ele.hasAttribute("String_Node_Str")) {
      try {
        int size=Integer.parseInt(ele.getAttribute("String_Node_Str"));
        appendStyle(strStyle,"String_Node_Str",FONT_SIZE[size - 1]);
      }
 catch (      Exception e) {
        logger.log(Level.SEVERE,"String_Node_Str");
      }
    }
    ele.removeAttribute("String_Node_Str");
    ele.removeAttribute("String_Node_Str");
    ele.removeAttribute("String_Node_Str");
    ele=replaceElement(ele,"String_Node_Str");
  }
  try {
    String inlineStyle=ele.getAttribute("String_Node_Str");
    if (null != inlineStyle && !"String_Node_Str".equals(inlineStyle)) {
      strStyle.append(inlineStyle);
    }
    if (strStyle.length() > 0) {
      style=(StyleDeclaration)cssEngine.parseStyleDeclaration(strStyle.toString());
      styles.put(ele,style);
    }
  }
 catch (  Exception e) {
    logger.log(Level.SEVERE,"String_Node_Str" + ele.getAttribute("String_Node_Str"),e);
  }
  ele.removeAttribute("String_Node_Str");
  if (style != null) {
    CSSValue value=(CSSValue)style.getProperty(StyleConstants.STYLE_BACKGROUND_IMAGE);
    if (value != null && value instanceof URIValue) {
      String bgi=((URIValue)value).getStringValue();
      if ((null != bgi) && (!"String_Node_Str".equals(bgi))) {
        if (report != null) {
          if (FileUtil.isLocalResource(bgi)) {
            URL url=report.findResource(bgi,IResourceLocator.IMAGE);
            if (url != null) {
              String fileName=url.getFile();
              if (fileName != null) {
                bgi=fileName;
              }
            }
          }
 else {
            bgi="String_Node_Str" + bgi + "String_Node_Str";
          }
        }
        if (bgi != null) {
          style.setBackgroundImage(bgi);
        }
 else {
          style.removeProperty("String_Node_Str");
        }
      }
    }
  }
  if (style != null) {
    styles.put(ele,style);
  }
  for (int i=0; i < ele.getChildNodes().getLength(); i++) {
    Node child=ele.getChildNodes().item(i);
    if (child.getNodeType() == Node.ELEMENT_NODE) {
      execute((Element)child,styles);
    }
  }
}