Program: 16625
Project: 16625
Buggy source:
public void render(Component comp,Writer out) throws IOException {
  final Window self=(Window)comp;
  final String uuid=self.getUuid();
  final Execution exec=Executions.getCurrent();
  out.write("String_Node_Str");
  out.write(uuid);
  out.write("String_Node_Str");
  out.write(self.getOuterAttrs());
  out.write(self.getInnerAttrs());
  out.write("String_Node_Str");
  final Caption caption=self.getCaption();
  final String title=self.getTitle(), titlesc=self.getTitleSclass();
  String wcExtStyle="String_Node_Str";
  if (caption == null && title.length() == 0) {
    if (exec.isExplorer() && !exec.isExplorer7()) {
      out.write("String_Node_Str" + "String_Node_Str");
    }
  }
 else {
    out.write("String_Node_Str");
    if (caption == null) {
      out.write("String_Node_Str");
      out.write(uuid);
      out.write("String_Node_Str");
      out.write("String_Node_Str");
      out.write(titlesc);
      out.write("String_Node_Str");
      out.write("String_Node_Str");
      out.write(titlesc);
      out.write("String_Node_Str");
      out.write(XMLs.escapeXML(title));
      out.write("String_Node_Str");
      if (self.isClosable()) {
        out.write("String_Node_Str");
        out.write(titlesc);
        out.write("String_Node_Str");
        out.write(uuid);
        out.write("String_Node_Str");
        out.write(exec.encodeURL("String_Node_Str"));
        out.write("String_Node_Str");
      }
      out.write("String_Node_Str");
      out.write(titlesc);
      out.write("String_Node_Str");
    }
 else {
      out.write("String_Node_Str");
      out.write(uuid);
      out.write("String_Node_Str");
      out.write(titlesc);
      out.write("String_Node_Str");
      out.write(titlesc);
      out.write("String_Node_Str");
      caption.redraw(out);
      out.write("String_Node_Str");
      out.write(titlesc);
      out.write("String_Node_Str");
    }
    out.write("String_Node_Str");
    wcExtStyle="String_Node_Str";
  }
  wcExtStyle+=self.getContentStyle();
  out.write("String_Node_Str");
  out.write(uuid);
  out.write("String_Node_Str");
  out.write(self.getContentSclass());
  out.write("String_Node_Str");
  if (wcExtStyle.length() > 0) {
    out.write("String_Node_Str");
    out.write(wcExtStyle);
    out.write('"');
  }
  out.write("String_Node_Str");
  for (Iterator it=self.getChildren().iterator(); it.hasNext(); ) {
    final Component child=(Component)it.next();
    if (child != caption)     child.redraw(out);
  }
  out.write("String_Node_Str");
}

Fixed version (ground truth):
public void render(Component comp,Writer out) throws IOException {
  final WriterHelper wh=new WriterHelper(out);
  final Window self=(Window)comp;
  final String uuid=self.getUuid();
  final Execution exec=Executions.getCurrent();
  wh.write("String_Node_Str");
  wh.write(uuid);
  wh.write("String_Node_Str");
  wh.write(self.getOuterAttrs());
  wh.write(self.getInnerAttrs());
  wh.write("String_Node_Str");
  final Caption caption=self.getCaption();
  final String title=self.getTitle(), titlesc=self.getTitleSclass();
  String wcExtStyle="String_Node_Str";
  if (caption == null && title.length() == 0) {
    if (exec.isExplorer() && !exec.isExplorer7()) {
      wh.write("String_Node_Str" + "String_Node_Str");
    }
  }
 else {
    wh.write("String_Node_Str");
    if (caption == null) {
      wh.write("String_Node_Str");
      wh.write(uuid);
      wh.write("String_Node_Str");
      wh.write("String_Node_Str");
      wh.write(titlesc);
      wh.write("String_Node_Str");
      wh.write("String_Node_Str");
      wh.write(titlesc);
      wh.write("String_Node_Str");
      wh.write(XMLs.escapeXML(title));
      wh.write("String_Node_Str");
      if (self.isClosable()) {
        wh.write("String_Node_Str");
        wh.write(titlesc);
        wh.write("String_Node_Str");
        wh.write(uuid);
        wh.write("String_Node_Str");
        wh.write(exec.encodeURL("String_Node_Str"));
        wh.write("String_Node_Str");
      }
      wh.write("String_Node_Str");
      wh.write(titlesc);
      wh.write("String_Node_Str");
    }
 else {
      wh.write("String_Node_Str");
      wh.write(uuid);
      wh.write("String_Node_Str");
      wh.write(titlesc);
      wh.write("String_Node_Str");
      wh.write(titlesc);
      wh.write("String_Node_Str");
      caption.redraw(out);
      wh.write("String_Node_Str");
      wh.write(titlesc);
      wh.write("String_Node_Str");
    }
    wh.write("String_Node_Str");
    wcExtStyle="String_Node_Str";
  }
  final String cs=self.getContentStyle();
  if (cs != null) {
    wcExtStyle+=cs;
  }
  wh.write("String_Node_Str");
  wh.write(uuid);
  wh.write("String_Node_Str");
  wh.write(self.getContentSclass());
  wh.write("String_Node_Str");
  if (wcExtStyle.length() > 0) {
    wh.write("String_Node_Str");
    wh.write(wcExtStyle);
    wh.write("String_Node_Str");
  }
  wh.write("String_Node_Str");
  for (Iterator it=self.getChildren().iterator(); it.hasNext(); ) {
    final Component child=(Component)it.next();
    if (child != caption)     child.redraw(out);
  }
  wh.write("String_Node_Str");
}