Program: 78744
Project: 78744
Buggy source:
protected void setStrokeStyle(Element currentElement){
  Element element=currentElement;
  if (deferStrokColor != null) {
    element=deferStrokColor;
  }
  String style=element.getAttribute("String_Node_Str");
  if (style == null)   style="String_Node_Str";
  if (color != null) {
    style+="String_Node_Str" + serializeToString(color) + "String_Node_Str";
  }
  if ((stroke != null) && (stroke instanceof BasicStroke)) {
    BasicStroke bs=(BasicStroke)stroke;
    if (bs.getLineWidth() > 0)     style+="String_Node_Str" + bs.getLineWidth() + "String_Node_Str";
    if (bs.getDashArray() != null) {
      String dashArrayStr="String_Node_Str";
      for (int x=0; x < bs.getDashArray().length; x++) {
        dashArrayStr+="String_Node_Str" + bs.getDashArray()[x];
      }
      if (!(dashArrayStr.equals("String_Node_Str")))       style+="String_Node_Str" + dashArrayStr + "String_Node_Str";
    }
    style+="String_Node_Str" + bs.getMiterLimit() + "String_Node_Str";
switch (bs.getLineJoin()) {
case BasicStroke.JOIN_BEVEL:
      style+="String_Node_Str";
    break;
case BasicStroke.JOIN_ROUND:
  style+="String_Node_Str";
break;
}
switch (bs.getEndCap()) {
case BasicStroke.CAP_ROUND:
style+="String_Node_Str";
break;
case BasicStroke.CAP_SQUARE:
style+="String_Node_Str";
break;
}
}
element.setAttribute("String_Node_Str",style);
if (styleClass != null) element.setAttribute("String_Node_Str",styleClass);
if (id != null) element.setAttribute("String_Node_Str",id);
if (clip != null) element.setAttribute("String_Node_Str","String_Node_Str" + clip.hashCode() + "String_Node_Str");
}

Fixed version (ground truth):
/** 
 * Adds stroke color and style information to the element passed in.
 * @param currentElement the element to add style information to.
 * @param isClipped boolean that determines whether to defer the clipping of the element
 */
protected void setStrokeStyle(Element currentElement,boolean deferClipped){
  Element element=currentElement;
  if (deferStrokColor != null) {
    element=deferStrokColor;
  }
  String style=element.getAttribute("String_Node_Str");
  if (style == null)   style="String_Node_Str";
  if (color != null) {
    style+="String_Node_Str" + serializeToString(color) + "String_Node_Str";
  }
  if ((stroke != null) && (stroke instanceof BasicStroke)) {
    BasicStroke bs=(BasicStroke)stroke;
    if (bs.getLineWidth() > 0)     style+="String_Node_Str" + bs.getLineWidth() + "String_Node_Str";
    if (bs.getDashArray() != null) {
      String dashArrayStr="String_Node_Str";
      for (int x=0; x < bs.getDashArray().length; x++) {
        dashArrayStr+="String_Node_Str" + bs.getDashArray()[x];
      }
      if (!(dashArrayStr.equals("String_Node_Str")))       style+="String_Node_Str" + dashArrayStr + "String_Node_Str";
    }
    style+="String_Node_Str" + bs.getMiterLimit() + "String_Node_Str";
switch (bs.getLineJoin()) {
case BasicStroke.JOIN_BEVEL:
      style+="String_Node_Str";
    break;
case BasicStroke.JOIN_ROUND:
  style+="String_Node_Str";
break;
}
switch (bs.getEndCap()) {
case BasicStroke.CAP_ROUND:
style+="String_Node_Str";
break;
case BasicStroke.CAP_SQUARE:
style+="String_Node_Str";
break;
}
}
element.setAttribute("String_Node_Str",style);
if (styleClass != null) element.setAttribute("String_Node_Str",styleClass);
if (id != null) element.setAttribute("String_Node_Str",id);
if ((clip != null) && (!deferClipped)) element.setAttribute("String_Node_Str","String_Node_Str" + clip.hashCode() + "String_Node_Str");
}