Program: 175859
Project: 175859
Buggy source:
public Pano query(Score score){
  URL url;
  BufferedReader in=null;
  try {
    url=new URL("String_Node_Str" + "String_Node_Str" + ll[0] + "String_Node_Str"+ ll[1]+ "String_Node_Str");
    URLConnection urlConnection=url.openConnection();
    urlConnection.setDoInput(true);
    urlConnection.connect();
    in=new BufferedReader(new InputStreamReader(urlConnection.getInputStream()));
    String inputLine;
    StringBuffer sb=new StringBuffer();
    while ((inputLine=in.readLine()) != null)     sb.append(inputLine);
    Pattern pat=Pattern.compile("String_Node_Str");
    Matcher m=pat.matcher(sb.toString());
    File panoLoc=new File(Tweed.DATA + File.separator + "String_Node_Str");
    double bestScore=-Double.MAX_VALUE;
    Pano bestPano=null;
    while (m.find()) {
      String meta=m.group(0);
      meta=meta.replaceAll("String_Node_Str","String_Node_Str");
      meta=meta.replaceAll("String_Node_Str","String_Node_Str");
      meta=meta.replaceAll("String_Node_Str","String_Node_Str");
      String[] parts=meta.trim().split("String_Node_Str");
      String name="String_Node_Str";
      for (int i=1; i < parts.length; i++) {
        name+=parts[i] + "String_Node_Str";
      }
      name+=parts[0];
      Pano pano=PanoGen.createPanoGen(new File(panoLoc,name + "String_Node_Str"),"String_Node_Str");
      double s=score.score(pano);
      if (s > bestScore) {
        bestScore=s;
        bestPano=pano;
      }
    }
    if (bestPano == null)     return null;
    new Mosaic(Collections.singletonList(bestPano.name),panoLoc);
    if (!new File(panoLoc,bestPano.name + "String_Node_Str").exists())     return null;
    return bestPano;
  }
 catch (  Throwable th) {
    th.printStackTrace();
  }
 finally {
    if (in != null)     try {
      in.close();
    }
 catch (    IOException e) {
      e.printStackTrace();
    }
  }
  return null;
}

Fixed version (ground truth):
public Pano query(Score score){
  URL url;
  BufferedReader in=null;
  try {
    url=new URL("String_Node_Str" + "String_Node_Str" + ll[0] + "String_Node_Str"+ ll[1]+ "String_Node_Str");
    URLConnection urlConnection=url.openConnection();
    urlConnection.setDoInput(true);
    urlConnection.connect();
    in=new BufferedReader(new InputStreamReader(urlConnection.getInputStream()));
    String inputLine;
    StringBuffer sb=new StringBuffer();
    while ((inputLine=in.readLine()) != null)     sb.append(inputLine);
    Pattern pat=Pattern.compile("String_Node_Str");
    Matcher m=pat.matcher(sb.toString());
    File panoLoc=new File(Tweed.DATA + File.separator + "String_Node_Str");
    double bestScore=-Double.MAX_VALUE;
    Pano bestPano=null;
    while (m.find()) {
      String meta=m.group(0);
      meta=meta.replaceAll("String_Node_Str","String_Node_Str");
      meta=meta.replaceAll("String_Node_Str","String_Node_Str");
      meta=meta.replaceAll("String_Node_Str","String_Node_Str");
      String[] parts=meta.trim().split("String_Node_Str");
      String name="String_Node_Str";
      for (int i=1; i < parts.length; i++) {
        name+=parts[i] + "String_Node_Str";
      }
      name+=parts[0];
      if (parts[0].length() > 25) {
        System.out.println("String_Node_Str");
        continue;
      }
      Pano pano=PanoGen.createPanoGen(new File(panoLoc,name + "String_Node_Str"),"String_Node_Str");
      double s=score.score(pano);
      if (s > bestScore) {
        bestScore=s;
        bestPano=pano;
      }
    }
    if (bestPano == null)     return null;
    if (!new File(panoLoc,bestPano.name + "String_Node_Str").exists())     return null;
    return bestPano;
  }
 catch (  Throwable th) {
    th.printStackTrace();
  }
 finally {
    if (in != null)     try {
      in.close();
    }
 catch (    IOException e) {
      e.printStackTrace();
    }
  }
  return null;
}