Program: 96228
Project: 96228
Buggy source:
/** 
 * get the color we are interested in via raw CSS parsing. This is specifically to get the color of the text of the appindicator/gtk-status-icon menu.
 * @return the color string, parsed from CSS/
 */
private static Color getFromCss(){
  String css=getGtkThemeCss();
  if (css != null) {
    String[] nodes;
    Tray tray=(Tray)SystemTray.get().getMenu();
    if (tray instanceof _GtkStatusIconNativeTray) {
      nodes=new String[]{"String_Node_Str","String_Node_Str","String_Node_Str","String_Node_Str"};
    }
 else     if (tray instanceof _AppIndicatorNativeTray) {
      nodes=new String[]{"String_Node_Str","String_Node_Str","String_Node_Str","String_Node_Str"};
    }
 else {
      return null;
    }
    String colorString=null;
    colorCheck:     for (    String node : nodes) {
      int i=0;
      while (i != -1 && colorString == null) {
        i=css.indexOf(node,i);
        if (i > -1) {
          int endOfNodeLabels=css.indexOf("String_Node_Str",i);
          String nodeLabel=css.substring(i,endOfNodeLabels);
          if (!nodeLabel.contains("String_Node_Str")) {
            i=endOfNodeLabels;
            continue;
          }
          int endOfSection=css.indexOf("String_Node_Str",endOfNodeLabels);
          String nodeSection=css.substring(endOfNodeLabels,endOfSection);
          int j=nodeSection.indexOf("String_Node_Str");
          if (j > -1) {
            int startOfColorDef=nodeSection.indexOf("String_Node_Str",j) + 1;
            int endOfColorDef=nodeSection.indexOf("String_Node_Str",startOfColorDef);
            colorString=nodeSection.substring(startOfColorDef,endOfColorDef).trim();
          }
 else {
            i=endOfSection;
          }
        }
      }
    }
    if (colorString == null) {
      colorCheck:       for (      String node : nodes) {
        int i=0;
        while (i != -1 && colorString == null) {
          i=css.indexOf(node,i);
          if (i > -1) {
            int endOfNodeLabels=css.indexOf("String_Node_Str",i);
            int endOfSection=css.indexOf("String_Node_Str",endOfNodeLabels);
            String nodeSection=css.substring(endOfNodeLabels,endOfSection);
            int j=nodeSection.indexOf("String_Node_Str");
            if (j > -1) {
              int startOfColorDef=nodeSection.indexOf("String_Node_Str",j) + 1;
              int endOfColorDef=nodeSection.indexOf("String_Node_Str",startOfColorDef);
              colorString=nodeSection.substring(startOfColorDef,endOfColorDef).trim();
            }
 else {
              i=endOfSection;
            }
          }
        }
      }
    }
    if (colorString != null) {
      if (colorString.startsWith("String_Node_Str")) {
        colorString=colorString.substring(1);
        String colorDefine="String_Node_Str";
        int start=css.indexOf(colorDefine);
        int end=css.lastIndexOf(colorDefine);
        end=css.lastIndexOf("String_Node_Str",end) + 1;
        String colorDefines=css.substring(start,end);
        String newColorString=colorDefine + "String_Node_Str" + colorString;
        int i=0;
        while (i != -1) {
          i=colorDefines.indexOf(newColorString);
          if (i >= 0) {
            try {
              int startIndex=i + newColorString.length();
              int endIndex=colorDefines.indexOf("String_Node_Str",i);
              String colorSubString=colorDefines.substring(startIndex,endIndex).trim();
              if (colorSubString.startsWith("String_Node_Str")) {
                i=endIndex;
                continue;
              }
              return parseColor(colorSubString);
            }
 catch (            Exception ignored) {
            }
          }
        }
      }
 else {
        return parseColor(colorString);
      }
    }
  }
  return null;
}

Fixed version (ground truth):
/** 
 * get the color we are interested in via raw CSS parsing. This is specifically to get the color of the text of the appindicator/gtk-status-icon menu.
 * @return the color string, parsed from CSS/
 */
private static Color getFromCss(){
  String css=getGtkThemeCss();
  if (css != null) {
    String[] nodes;
    Tray tray=(Tray)SystemTray.get().getMenu();
    if (tray instanceof _GtkStatusIconNativeTray) {
      nodes=new String[]{"String_Node_Str","String_Node_Str","String_Node_Str","String_Node_Str","String_Node_Str"};
    }
 else     if (tray instanceof _AppIndicatorNativeTray) {
      nodes=new String[]{"String_Node_Str","String_Node_Str","String_Node_Str","String_Node_Str","String_Node_Str"};
    }
 else {
      return null;
    }
    List<String> sections=new ArrayList<String>();
    String colorString=null;
    colorCheck:     for (    String node : nodes) {
      int i=0;
      while (i != -1) {
        i=css.indexOf(node,i);
        if (i > -1) {
          int endOfNodeLabels=css.indexOf("String_Node_Str",i);
          int endOfSection=css.indexOf("String_Node_Str",endOfNodeLabels + 1) + 1;
          int endOfSectionTest=css.indexOf("String_Node_Str",i) + 1;
          if (endOfSection != endOfSectionTest) {
            i=endOfSection;
            continue;
          }
          String nodeLabel=css.substring(i,endOfNodeLabels);
          String nodeSection=css.substring(endOfNodeLabels,endOfSection);
          int j=nodeSection.indexOf("String_Node_Str");
          if (j > -1) {
            sections.add(nodeLabel + "String_Node_Str" + nodeSection);
          }
          i=endOfSection;
        }
      }
    }
    if (!sections.isEmpty()) {
      String section=sections.get(0);
      int start=section.indexOf("String_Node_Str");
      int colorIndex=section.indexOf("String_Node_Str",start);
      int startOfColorDef=section.indexOf("String_Node_Str",colorIndex) + 1;
      int endOfColorDef=section.indexOf("String_Node_Str",startOfColorDef);
      colorString=section.substring(startOfColorDef,endOfColorDef).trim();
    }
    if (colorString != null) {
      if (colorString.startsWith("String_Node_Str")) {
        colorString=colorString.substring(1);
        String colorDefine="String_Node_Str";
        int start=css.indexOf(colorDefine);
        int end=css.lastIndexOf(colorDefine);
        end=css.lastIndexOf("String_Node_Str",end) + 1;
        String colorDefines=css.substring(start,end);
        String newColorString=colorDefine + "String_Node_Str" + colorString;
        int i=0;
        while (i != -1) {
          i=colorDefines.indexOf(newColorString);
          if (i >= 0) {
            try {
              int startIndex=i + newColorString.length();
              int endIndex=colorDefines.indexOf("String_Node_Str",i);
              String colorSubString=colorDefines.substring(startIndex,endIndex).trim();
              if (colorSubString.startsWith("String_Node_Str")) {
                newColorString=colorDefine + "String_Node_Str" + colorSubString.substring(1);
                i=0;
                continue;
              }
              return parseColor(colorSubString);
            }
 catch (            Exception ignored) {
            }
          }
        }
      }
 else {
        return parseColor(colorString);
      }
    }
  }
  return null;
}