Program: 7048
Project: 7048
Buggy source:
private void uploadFileSet(){
  Map<String,String> fileSetParams=new LinkedHashMap<String,String>();
  fileSetParams.put("String_Node_Str",params.get("String_Node_Str"));
  fileSetParams.put("String_Node_Str",gson.toJson(fileSet));
  String postResult=server.post(baseUrl + "String_Node_Str",fileSetParams);
  if (postResult.length() > 0) {
    Collection<FileInfo> filesToUpload=gson.fromJson(postResult,new TypeToken<Collection<FileInfo>>(){
    }
.getType());
    boolean shouldReset=sameFiles(filesToUpload,fileSet);
    Set<FileInfo> finalFilesToUpload=new LinkedHashSet<FileInfo>();
    if (shouldReset) {
      JsonCommand cmd=new JsonCommand(CommandType.RESET,EMPTY_ARRAYLIST);
      Map<String,String> resetParams=new LinkedHashMap<String,String>();
      resetParams.put("String_Node_Str",params.get("String_Node_Str"));
      resetParams.put("String_Node_Str",gson.toJson(cmd));
      server.post(baseUrl + "String_Node_Str",resetParams);
      server.fetch(baseUrl + "String_Node_Str" + params.get("String_Node_Str"));
      finalFilesToUpload.addAll(filesToUpload);
    }
 else {
      for (      FileInfo file : filesToUpload) {
        finalFilesToUpload.addAll(findDependencies(file));
      }
    }
    List<FileInfo> loadedfiles=fileLoader.loadFiles(finalFilesToUpload,shouldReset);
    Map<String,String> uploadFileParams=new LinkedHashMap<String,String>();
    uploadFileParams.put("String_Node_Str",params.get("String_Node_Str"));
    uploadFileParams.put("String_Node_Str",gson.toJson(loadedfiles));
    server.post(baseUrl + "String_Node_Str",uploadFileParams);
    List<FileSource> filesSrc=new LinkedList<FileSource>(filterFilesToLoad(loadedfiles));
    int numberOfFilesToLoad=filesSrc.size();
    for (int i=0; i < numberOfFilesToLoad; i+=CHUNK_SIZE) {
      int chunkEndIndex=Math.min(i + CHUNK_SIZE,numberOfFilesToLoad);
      List<String> loadParameters=new LinkedList<String>();
      List<FileSource> filesToLoad=filesSrc.subList(i,chunkEndIndex);
      loadParameters.add(gson.toJson(filesToLoad));
      loadParameters.add("String_Node_Str");
      JsonCommand cmd=new JsonCommand(CommandType.LOADTEST,loadParameters);
      Map<String,String> loadFileParams=new LinkedHashMap<String,String>();
      loadFileParams.put("String_Node_Str",params.get("String_Node_Str"));
      loadFileParams.put("String_Node_Str",gson.toJson(cmd));
      server.post(baseUrl + "String_Node_Str",loadFileParams);
      String jsonResponse=server.fetch(baseUrl + "String_Node_Str" + params.get("String_Node_Str"));
      StreamMessage message=gson.fromJson(jsonResponse,StreamMessage.class);
      Response response=message.getResponse();
      LoadedFiles loadedFiles=gson.fromJson(response.getResponse(),LoadedFiles.class);
      if (loadedFiles.getLoadedFiles().isEmpty()) {
        System.err.println("String_Node_Str");
      }
 else {
        if (loadedFiles.hasError()) {
          for (          FileResult fileResult : loadedFiles.getLoadedFiles()) {
            if (!fileResult.isSuccess()) {
              System.err.println(fileResult.getMessage());
            }
          }
        }
      }
    }
  }
}

Fixed version (ground truth):
private void uploadFileSet(){
  Map<String,String> fileSetParams=new LinkedHashMap<String,String>();
  fileSetParams.put("String_Node_Str",params.get("String_Node_Str"));
  fileSetParams.put("String_Node_Str",gson.toJson(fileSet));
  String postResult=server.post(baseUrl + "String_Node_Str",fileSetParams);
  if (postResult.length() > 0) {
    Collection<FileInfo> filesToUpload=gson.fromJson(postResult,new TypeToken<Collection<FileInfo>>(){
    }
.getType());
    boolean shouldReset=sameFiles(filesToUpload,fileSet);
    Set<FileInfo> finalFilesToUpload=new LinkedHashSet<FileInfo>();
    if (shouldReset) {
      JsonCommand cmd=new JsonCommand(CommandType.RESET,EMPTY_ARRAYLIST);
      Map<String,String> resetParams=new LinkedHashMap<String,String>();
      resetParams.put("String_Node_Str",params.get("String_Node_Str"));
      resetParams.put("String_Node_Str",gson.toJson(cmd));
      server.post(baseUrl + "String_Node_Str",resetParams);
      String jsonResponse=server.fetch(baseUrl + "String_Node_Str" + params.get("String_Node_Str"));
      StreamMessage message=gson.fromJson(jsonResponse,StreamMessage.class);
      Response response=message.getResponse();
      shouldPanic(response.getResponse());
      finalFilesToUpload.addAll(filesToUpload);
    }
 else {
      for (      FileInfo file : filesToUpload) {
        finalFilesToUpload.addAll(findDependencies(file));
      }
    }
    List<FileInfo> loadedfiles=fileLoader.loadFiles(finalFilesToUpload,shouldReset);
    Map<String,String> uploadFileParams=new LinkedHashMap<String,String>();
    uploadFileParams.put("String_Node_Str",params.get("String_Node_Str"));
    uploadFileParams.put("String_Node_Str",gson.toJson(loadedfiles));
    server.post(baseUrl + "String_Node_Str",uploadFileParams);
    List<FileSource> filesSrc=new LinkedList<FileSource>(filterFilesToLoad(loadedfiles));
    int numberOfFilesToLoad=filesSrc.size();
    for (int i=0; i < numberOfFilesToLoad; i+=CHUNK_SIZE) {
      int chunkEndIndex=Math.min(i + CHUNK_SIZE,numberOfFilesToLoad);
      List<String> loadParameters=new LinkedList<String>();
      List<FileSource> filesToLoad=filesSrc.subList(i,chunkEndIndex);
      loadParameters.add(gson.toJson(filesToLoad));
      loadParameters.add("String_Node_Str");
      JsonCommand cmd=new JsonCommand(CommandType.LOADTEST,loadParameters);
      Map<String,String> loadFileParams=new LinkedHashMap<String,String>();
      loadFileParams.put("String_Node_Str",params.get("String_Node_Str"));
      loadFileParams.put("String_Node_Str",gson.toJson(cmd));
      server.post(baseUrl + "String_Node_Str",loadFileParams);
      String jsonResponse=server.fetch(baseUrl + "String_Node_Str" + params.get("String_Node_Str"));
      StreamMessage message=gson.fromJson(jsonResponse,StreamMessage.class);
      Response response=message.getResponse();
      if (response.getResponse().startsWith("String_Node_Str")) {
        throw new RuntimeException(response.getResponse());
      }
      LoadedFiles loadedFiles=gson.fromJson(response.getResponse(),LoadedFiles.class);
      if (loadedFiles.getLoadedFiles().isEmpty()) {
        System.err.println("String_Node_Str");
      }
 else {
        if (loadedFiles.hasError()) {
          for (          FileResult fileResult : loadedFiles.getLoadedFiles()) {
            if (!fileResult.isSuccess()) {
              System.err.println(fileResult.getMessage());
            }
          }
        }
      }
    }
  }
}