Program: 77874
Project: 77874
Buggy source:
public List<Camera> getCameras() throws CameraException {
  if (!cameraGphotoList.isEmpty()) {
    for (    CameraGphoto camera : cameraGphotoList) {
      if (camera.isInitialized()) {
        try {
          camera.close();
        }
 catch (        IOException e) {
          LOGGER.error("String_Node_Str",e);
          throw new CameraException(e.getMessage(),-1);
        }
      }
    }
  }
  try {
    cameraService.setAllCamerasInactive();
  }
 catch (  ServiceException e) {
    LOGGER.debug("String_Node_Str",e);
  }
  cameraGphotoList=new ArrayList<>();
  cameraModelList=new ArrayList<>();
  cameraPortList=new ArrayList<>();
  cameraList=new ArrayList<>();
  int count=0;
  final CameraList cl=new CameraList();
  try {
    LOGGER.debug("String_Node_Str" + cl);
    count=cl.getCount();
    Camera camera;
    for (int i=0; i < count; i++) {
      cameraGphotoList.add(new CameraGphoto());
      Pointer pInfo=cl.getPortInfo(i);
      cameraPortList.add(cl.getPort(i));
      cameraModelList.add(cl.getModel(i));
      LOGGER.debug("String_Node_Str" + pInfo.toString());
      cameraGphotoList.get(i).setPortInfo(cl.getPortPath(cl.getPort(i,true)));
      cameraGphotoList.get(i).initialize();
      cameraGphotoList.get(i).ref();
      try {
        camera=new Camera(-1,"String_Node_Str" + i,cameraPortList.get(i),cameraModelList.get(i),"String_Node_Str" + i);
        camera=cameraService.cameraExists(camera);
        if (camera == null) {
          camera=new Camera(-1,"String_Node_Str" + i,cameraPortList.get(i),cameraModelList.get(i),"String_Node_Str" + i);
          cameraService.createCamera(camera);
        }
        cameraService.setCameraActive(camera.getId());
        cameraList.add(camera);
      }
 catch (      ServiceException ex) {
        LOGGER.error("String_Node_Str",ex);
        throw new CameraException(ex.getMessage(),-1);
      }
    }
  }
  finally {
    CameraUtils.closeQuietly(cl);
  }
  return cameraList;
}

Fixed version (ground truth):
public List<Camera> getCameras() throws CameraException {
  if (!cameraList.isEmpty()) {
    return cameraList;
  }
  try {
    cameraService.setAllCamerasInactive();
  }
 catch (  ServiceException e) {
    LOGGER.debug("String_Node_Str",e);
  }
  cameraGphotoList=new ArrayList<>();
  cameraModelList=new ArrayList<>();
  cameraPortList=new ArrayList<>();
  cameraList=new ArrayList<>();
  int count=0;
  final CameraList cl=new CameraList();
  try {
    LOGGER.debug("String_Node_Str" + cl);
    count=cl.getCount();
    Camera camera;
    for (int i=0; i < count; i++) {
      cameraGphotoList.add(new CameraGphoto());
      Pointer pInfo=cl.getPortInfo(i);
      cameraPortList.add(cl.getPort(i));
      cameraModelList.add(cl.getModel(i));
      LOGGER.debug("String_Node_Str" + pInfo.toString());
      cameraGphotoList.get(i).setPortInfo(cl.getPortPath(cl.getPort(i,true)));
      cameraGphotoList.get(i).initialize();
      cameraGphotoList.get(i).ref();
      try {
        camera=new Camera(-1,"String_Node_Str" + i,cameraPortList.get(i),cameraModelList.get(i),"String_Node_Str" + i);
        camera=cameraService.cameraExists(camera);
        if (camera == null) {
          camera=new Camera(-1,"String_Node_Str" + i,cameraPortList.get(i),cameraModelList.get(i),"String_Node_Str" + i);
          cameraService.createCamera(camera);
        }
        cameraService.setCameraActive(camera.getId());
        cameraList.add(camera);
      }
 catch (      ServiceException ex) {
        LOGGER.error("String_Node_Str",ex);
        throw new CameraException(ex.getMessage(),-1);
      }
    }
  }
  finally {
    CameraUtils.closeQuietly(cl);
  }
  return cameraList;
}