Script started on 2023-03-24 20:02:33+09:00 [TERM="xterm-256color" TTY="/dev/pts/1" COLUMNS="102" LINES="56"]
]0;ggh@ggh-ZenBook-UX433FN-UX433FN: ~/catkin_ws/src/neck_controller-1/EMOTIBOT_head/camera_tracking[01;32mggh@ggh-ZenBook-UX433FN-UX433FN[00m:[01;34m~/catkin_ws/src/neck_controller-1/EMOTIBOT_head/camera_tracking[00m$ ls[K[Kcd sc 
ripts/
]0;ggh@ggh-ZenBook-UX433FN-UX433FN: ~/catkin_ws/src/neck_controller-1/EMOTIBOT_head/camera_tracking/scripts[01;32mggh@ggh-ZenBook-UX433FN-UX433FN[00m:[01;34m~/catkin_ws/src/neck_controller-1/EMOTIBOT_head/camera_tracking/scripts[00m$ ls
[0m[01;32mcamera_tracking_node.py[0m  [01;32mhaarcascade_frontalface_default.xml[0m
]0;ggh@ggh-ZenBook-UX433FN-UX433FN: ~/catkin_ws/src/neck_controller-1/EMOTIBOT_head/camera_tracking/scripts[01;32mggh@ggh-ZenBook-UX433FN-UX433FN[00m:[01;34m~/catkin_ws/src/neck_controller-1/EMOTIBOT_head/camera_tracking/scripts[00m$ sudo [K chmode [K[K 777 
camera_tracking_node.py              haarcascade_frontalface_default.xml
]0;ggh@ggh-ZenBook-UX433FN-UX433FN: ~/catkin_ws/src/neck_controller-1/EMOTIBOT_head/camera_tracking/scripts[01;32mggh@ggh-ZenBook-UX433FN-UX433FN[00m:[01;34m~/catkin_ws/src/neck_controller-1/EMOTIBOT_head/camera_tracking/scripts[00m$ sudo chmod 777 
camera_tracking_node.py              haarcascade_frontalface_default.xml
]0;ggh@ggh-ZenBook-UX433FN-UX433FN: ~/catkin_ws/src/neck_controller-1/EMOTIBOT_head/camera_tracking/scripts[01;32mggh@ggh-ZenBook-UX433FN-UX433FN[00m:[01;34m~/catkin_ws/src/neck_controller-1/EMOTIBOT_head/camera_tracking/scripts[00m$ sudo chmod 777 haarcascade_frontalface_default.xml 
[sudo] ggh 암호: 
]0;ggh@ggh-ZenBook-UX433FN-UX433FN: ~/catkin_ws/src/neck_controller-1/EMOTIBOT_head/camera_tracking/scripts[01;32mggh@ggh-ZenBook-UX433FN-UX433FN[00m:[01;34m~/catkin_ws/src/neck_controller-1/EMOTIBOT_head/camera_tracking/scripts[00m$ sudo chmod 777 haarcascade_frontalface_default.xml 
[C[C[Cls[Kcd scripts/
[C[C[Crosrun camera_tracking camera_tracking_node.py 
^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C--- Logging error ---
Traceback (most recent call last):
  File "/usr/lib/python3.8/logging/handlers.py", line 69, in emit
    if self.shouldRollover(record):
  File "/usr/lib/python3.8/logging/handlers.py", line 186, in shouldRollover
    self.stream.seek(0, 2)  #due to non-posix-compliant Windows feature
RuntimeError: reentrant call inside <_io.BufferedWriter name='/home/ggh/.ros/log/camera_traking.log'>
Call stack:
^C--- Logging error ---
Traceback (most recent call last):
  File "/usr/lib/python3.8/logging/handlers.py", line 69, in emit
    if self.shouldRollover(record):
  File "/usr/lib/python3.8/logging/handlers.py", line 186, in shouldRollover
    self.stream.seek(0, 2)  #due to non-posix-compliant Windows feature
RuntimeError: reentrant call inside <_io.BufferedWriter name='/home/ggh/.ros/log/camera_traking.log'>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/lib/python3.8/logging/handlers.py", line 69, in emit
    if self.shouldRollover(record):
  File "/usr/lib/python3.8/logging/handlers.py", line 186, in shouldRollover
    self.stream.seek(0, 2)  #due to non-posix-compliant Windows feature
RuntimeError: reentrant call inside <_io.BufferedWriter name='/home/ggh/.ros/log/camera_traking.log'>
Call stack:
  File "/home/ggh/catkin_ws/src/neck_controller-1/EMOTIBOT_head/camera_tracking/scripts/camera_tracking_node.py", line 35, in <module>
    faces = face_cascade.detectMultiScale(gray, scaleFactor=1.1, minNeighbors=8, minSize=(30, 30))
^C--- Logging error ---
Traceback (most recent call last):
  File "/usr/lib/python3.8/logging/handlers.py", line 69, in emit
    if self.shouldRollover(record):
  File "/usr/lib/python3.8/logging/handlers.py", line 186, in shouldRollover
    self.stream.seek(0, 2)  #due to non-posix-compliant Windows feature
RuntimeError: reentrant call inside <_io.BufferedWriter name='/home/ggh/.ros/log/camera_traking.log'>

During handling of the above exception, another exception occurred:

^CTraceback (most recent call last):
  File "/usr/lib/python3.8/logging/handlers.py", line 69, in emit
    if self.shouldRollover(record):
  File "/usr/lib/python3.8/logging/handlers.py", line 186, in shouldRollover
    self.stream.seek(0, 2)  #due to non-posix-compliant Windows feature
RuntimeError: reentrant call inside <_io.BufferedWriter name='/home/ggh/.ros/log/camera_traking.log'>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/lib/python3.8/logging/handlers.py", line 69, in emit
    if self.shouldRollover(record):
  File "/usr/lib/python3.8/logging/handlers.py", line 186, in shouldRollover
    self.stream.seek(0, 2)  #due to non-posix-compliant Windows feature
RuntimeError: reentrant call inside <_io.BufferedWriter name='/home/ggh/.ros/log/camera_traking.log'>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/lib/python3.8/logging/__init__.py", line 1089, in emit
    self.flush()
  File "/usr/lib/python3.8/logging/__init__.py", line 1069, in flush
    self.stream.flush()
  File "/opt/ros/noetic/lib/python3/dist-packages/rospy/core.py", line 606, in _ros_signal
    signal_shutdown("signal-"+str(sig))
^C  File "/opt/ros/noetic/lib/python3/dist-packages/rospy/core.py", line 560, in signal_shutdown
    _logger.info("signal_shutdown [%s]"%reason)
  File "/usr/lib/python3.8/logging/__init__.py", line 1446, in info
    self._log(INFO, msg, args, **kwargs)
  File "/usr/lib/python3.8/logging/__init__.py", line 1589, in _log
    self.handle(record)
  File "/usr/lib/python3.8/logging/__init__.py", line 1599, in handle
    self.callHandlers(record)
  File "/usr/lib/python3.8/logging/__init__.py", line 1661, in callHandlers
    hdlr.handle(record)
  File "/usr/lib/python3.8/logging/__init__.py", line 954, in handle
    self.emit(record)
  File "/usr/lib/python3.8/logging/handlers.py", line 73, in emit
    self.handleError(record)
  File "/usr/lib/python3.8/logging/__init__.py", line 1016, in handleError
    traceback.print_stack(frame, file=sys.stderr)
  File "/usr/lib/python3.8/traceback.py", line 190, in print_stack
    print_list(extract_stack(f, limit=limit), file=file)
  File "/usr/lib/python3.8/traceback.py", line 211, in extract_stack
    stack = StackSummary.extract(walk_stack(f), limit=limit)
  File "/usr/lib/python3.8/traceback.py", line 362, in extract
    linecache.checkcache(filename)
  File "/usr/lib/python3.8/linecache.py", line 74, in checkcache
    stat = os.stat(fullname)
  File "/opt/ros/noetic/lib/python3/dist-packages/rospy/core.py", line 606, in _ros_signal
    signal_shutdown("signal-"+str(sig))
  File "/opt/ros/noetic/lib/python3/dist-packages/rospy/core.py", line 560, in signal_shutdown
    _logger.info("signal_shutdown [%s]"%reason)
  File "/usr/lib/python3.8/logging/__init__.py", line 1446, in info
    self._log(INFO, msg, args, **kwargs)
  File "/usr/lib/python3.8/logging/__init__.py", line 1589, in _log
    self.handle(record)
  File "/usr/lib/python3.8/logging/__init__.py", line 1599, in handle
    self.callHandlers(record)
  File "/usr/lib/python3.8/logging/__init__.py", line 1661, in callHandlers
    hdlr.handle(record)
  File "/usr/lib/python3.8/logging/__init__.py", line 954, in handle
    self.emit(record)
  File "/usr/lib/python3.8/logging/handlers.py", line 73, in emit
    self.handleError(record)
  File "/usr/lib/python3.8/logging/__init__.py", line 1016, in handleError
    traceback.print_stack(frame, file=sys.stderr)
  File "/usr/lib/python3.8/traceback.py", line 190, in print_stack
    print_list(extract_stack(f, limit=limit), file=file)
  File "/usr/lib/python3.8/traceback.py", line 25, in print_list
    print(item, file=file, end="")
  File "/opt/ros/noetic/lib/python3/dist-packages/rospy/core.py", line 606, in _ros_signal
    signal_shutdown("signal-"+str(sig))
  File "/opt/ros/noetic/lib/python3/dist-packages/rospy/core.py", line 560, in signal_shutdown
    _logger.info("signal_shutdown [%s]"%reason)
  File "/usr/lib/python3.8/logging/__init__.py", line 1446, in info
    self._log(INFO, msg, args, **kwargs)
  File "/usr/lib/python3.8/logging/__init__.py", line 1589, in _log
    self.handle(record)
  File "/usr/lib/python3.8/logging/__init__.py", line 1599, in handle
    self.callHandlers(record)
  File "/usr/lib/python3.8/logging/__init__.py", line 1661, in callHandlers
    hdlr.handle(record)
  File "/usr/lib/python3.8/logging/__init__.py", line 954, in handle
    self.emit(record)
  File "/usr/lib/python3.8/logging/handlers.py", line 73, in emit
    self.handleError(record)
  File "/usr/lib/python3.8/logging/__init__.py", line 1006, in handleError
    sys.stderr.write('--- Logging error ---\n')
RuntimeError: reentrant call inside <_io.BufferedWriter name='<stderr>'>
Call stack:
  File "/home/ggh/catkin_ws/src/neck_controller-1/EMOTIBOT_head/camera_tracking/scripts/camera_tracking_node.py", line 35, in <module>
    faces = face_cascade.detectMultiScale(gray, scaleFactor=1.1, minNeighbors=8, minSize=(30, 30))
  File "/opt/ros/noetic/lib/python3/dist-packages/rospy/core.py", line 606, in _ros_signal
    signal_shutdown("signal-"+str(sig))
  File "/opt/ros/noetic/lib/python3/dist-packages/rospy/core.py", line 560, in signal_shutdown
    _logger.info("signal_shutdown [%s]"%reason)
Message: 'signal_shutdown [signal-2]'
Arguments: ()
^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C--- Logging error ---
Traceback (most recent call last):
  File "/usr/lib/python3.8/logging/handlers.py", line 69, in emit
    if self.shouldRollover(record):
  File "/usr/lib/python3.8/logging/handlers.py", line 186, in shouldRollover
    self.stream.seek(0, 2)  #due to non-posix-compliant Windows feature
RuntimeError: reentrant call inside <_io.BufferedWriter name='/home/ggh/.ros/log/camera_traking.log'>
Call stack:
  File "/home/ggh/catkin_ws/src/neck_controller-1/EMOTIBOT_head/camera_tracking/scripts/camera_tracking_node.py", line 35, in <module>
    faces = face_cascade.detectMultiScale(gray, scaleFactor=1.1, minNeighbors=8, minSize=(30, 30))
  File "/opt/ros/noetic/lib/python3/dist-packages/rospy/core.py", line 606, in _ros_signal
    signal_shutdown("signal-"+str(sig))
  File "/opt/ros/noetic/lib/python3/dist-packages/rospy/core.py", line 560, in signal_shutdown
    _logger.info("signal_shutdown [%s]"%reason)
  File "/usr/lib/python3.8/logging/__init__.py", line 1446, in info
    self._log(INFO, msg, args, **kwargs)
  File "/usr/lib/python3.8/logging/__init__.py", line 1589, in _log
    self.handle(record)
  File "/usr/lib/python3.8/logging/__init__.py", line 1599, in handle
    self.callHandlers(record)
  File "/usr/lib/python3.8/logging/__init__.py", line 1661, in callHandlers
    hdlr.handle(record)
  File "/usr/lib/python3.8/logging/__init__.py", line 954, in handle
    self.emit(record)
  File "/usr/lib/python3.8/logging/handlers.py", line 71, in emit
    logging.FileHandler.emit(self, record)
  File "/usr/lib/python3.8/logging/__init__.py", line 1187, in emit
    StreamHandler.emit(self, record)
  File "/usr/lib/python3.8/logging/__init__.py", line 1089, in emit
    self.flush()
  File "/usr/lib/python3.8/logging/__init__.py", line 1069, in flush
    self.stream.flush()
  File "/opt/ros/noetic/lib/python3/dist-packages/rospy/core.py", line 606, in _ros_signal
    signal_shutdown("signal-"+str(sig))
  File "/opt/ros/noetic/lib/python3/dist-packages/rospy/core.py", line 560, in signal_shutdown
    _logger.info("signal_shutdown [%s]"%reason)
Message: 'signal_shutdown [signal-2]'
Arguments: ()
^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C--- Logging error ---
Traceback (most recent call last):
  File "/usr/lib/python3.8/logging/handlers.py", line 69, in emit
    if self.shouldRollover(record):
  File "/usr/lib/python3.8/logging/handlers.py", line 186, in shouldRollover
    self.stream.seek(0, 2)  #due to non-posix-compliant Windows feature
RuntimeError: reentrant call inside <_io.BufferedWriter name='/home/ggh/.ros/log/camera_traking.log'>
Call stack:
  File "/home/ggh/catkin_ws/src/neck_controller-1/EMOTIBOT_head/camera_tracking/scripts/camera_tracking_node.py", line 35, in <module>
    faces = face_cascade.detectMultiScale(gray, scaleFactor=1.1, minNeighbors=8, minSize=(30, 30))
  File "/opt/ros/noetic/lib/python3/dist-packages/rospy/core.py", line 606, in _ros_signal
    signal_shutdown("signal-"+str(sig))
  File "/opt/ros/noetic/lib/python3/dist-packages/rospy/core.py", line 560, in signal_shutdown
    _logger.info("signal_shutdown [%s]"%reason)
  File "/usr/lib/python3.8/logging/__init__.py", line 1446, in info
    self._log(INFO, msg, args, **kwargs)
  File "/usr/lib/python3.8/logging/__init__.py", line 1589, in _log
    self.handle(record)
  File "/usr/lib/python3.8/logging/__init__.py", line 1599, in handle
    self.callHandlers(record)
  File "/usr/lib/python3.8/logging/__init__.py", line 1661, in callHandlers
    hdlr.handle(record)
  File "/usr/lib/python3.8/logging/__init__.py", line 954, in handle
    self.emit(record)
  File "/usr/lib/python3.8/logging/handlers.py", line 71, in emit
    logging.FileHandler.emit(self, record)
  File "/usr/lib/python3.8/logging/__init__.py", line 1187, in emit
    StreamHandler.emit(self, record)
  File "/usr/lib/python3.8/logging/__init__.py", line 1089, in emit
    self.flush()
  File "/usr/lib/python3.8/logging/__init__.py", line 1069, in flush
    self.stream.flush()
  File "/opt/ros/noetic/lib/python3/dist-packages/rospy/core.py", line 606, in _ros_signal
    signal_shutdown("signal-"+str(sig))
  File "/opt/ros/noetic/lib/python3/dist-packages/rospy/core.py", line 560, in signal_shutdown
    _logger.info("signal_shutdown [%s]"%reason)
Message: 'signal_shutdown [signal-2]'
Arguments: ()
^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C--- Logging error ---
Traceback (most recent call last):
  File "/usr/lib/python3.8/logging/handlers.py", line 69, in emit
    if self.shouldRollover(record):
  File "/usr/lib/python3.8/logging/handlers.py", line 186, in shouldRollover
    self.stream.seek(0, 2)  #due to non-posix-compliant Windows feature
RuntimeError: reentrant call inside <_io.BufferedWriter name='/home/ggh/.ros/log/camera_traking.log'>
^C--- Logging error ---
Traceback (most recent call last):
  File "/usr/lib/python3.8/logging/handlers.py", line 69, in emit
    if self.shouldRollover(record):
  File "/usr/lib/python3.8/logging/handlers.py", line 186, in shouldRollover
    self.stream.seek(0, 2)  #due to non-posix-compliant Windows feature
RuntimeError: reentrant call inside <_io.BufferedWriter name='/home/ggh/.ros/log/camera_traking.log'>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/lib/python3.8/logging/handlers.py", line 69, in emit
    if self.shouldRollover(record):
  File "/usr/lib/python3.8/logging/handlers.py", line 186, in shouldRollover
    self.stream.seek(0, 2)  #due to non-posix-compliant Windows feature
RuntimeError: reentrant call inside <_io.BufferedWriter name='/home/ggh/.ros/log/camera_traking.log'>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/lib/python3.8/logging/__init__.py", line 1089, in emit
    self.flush()
  File "/usr/lib/python3.8/logging/__init__.py", line 1069, in flush
    self.stream.flush()
  File "/opt/ros/noetic/lib/python3/dist-packages/rospy/core.py", line 606, in _ros_signal
    signal_shutdown("signal-"+str(sig))
  File "/opt/ros/noetic/lib/python3/dist-packages/rospy/core.py", line 560, in signal_shutdown
    _logger.info("signal_shutdown [%s]"%reason)
  File "/usr/lib/python3.8/logging/__init__.py", line 1446, in info
    self._log(INFO, msg, args, **kwargs)
  File "/usr/lib/python3.8/logging/__init__.py", line 1589, in _log
    self.handle(record)
  File "/usr/lib/python3.8/logging/__init__.py", line 1599, in handle
    self.callHandlers(record)
  File "/usr/lib/python3.8/logging/__init__.py", line 1661, in callHandlers
    hdlr.handle(record)
  File "/usr/lib/python3.8/logging/__init__.py", line 954, in handle
    self.emit(record)
  File "/usr/lib/python3.8/logging/handlers.py", line 73, in emit
    self.handleError(record)
  File "/usr/lib/python3.8/logging/__init__.py", line 1007, in handleError
    traceback.print_exception(t, v, tb, None, sys.stderr)
  File "/usr/lib/python3.8/traceback.py", line 105, in print_exception
    print(line, file=file, end="")
  File "/opt/ros/noetic/lib/python3/dist-packages/rospy/core.py", line 606, in _ros_signal
    signal_shutdown("signal-"+str(sig))
  File "/opt/ros/noetic/lib/python3/dist-packages/rospy/core.py", line 560, in signal_shutdown
    _logger.info("signal_shutdown [%s]"%reason)
  File "/usr/lib/python3.8/logging/__init__.py", line 1446, in info
    self._log(INFO, msg, args, **kwargs)
  File "/usr/lib/python3.8/logging/__init__.py", line 1589, in _log
    self.handle(record)
  File "/usr/lib/python3.8/logging/__init__.py", line 1599, in handle
    self.callHandlers(record)
  File "/usr/lib/python3.8/logging/__init__.py", line 1661, in callHandlers
    hdlr.handle(record)
  File "/usr/lib/python3.8/logging/__init__.py", line 954, in handle
    self.emit(record)
  File "/usr/lib/python3.8/logging/handlers.py", line 73, in emit
    self.handleError(record)
  File "/usr/lib/python3.8/logging/__init__.py", line 1006, in handleError
    sys.stderr.write('--- Logging error ---\n')
RuntimeError: reentrant call inside <_io.BufferedWriter name='<stderr>'>
Call stack:
  File "/home/ggh/catkin_ws/src/neck_controller-1/EMOTIBOT_head/camera_tracking/scripts/camera_tracking_node.py", line 35, in <module>
    faces = face_cascade.detectMultiScale(gray, scaleFactor=1.1, minNeighbors=8, minSize=(30, 30))
  File "/opt/ros/noetic/lib/python3/dist-packages/rospy/core.py", line 606, in _ros_signal
    signal_shutdown("signal-"+str(sig))
  File "/opt/ros/noetic/lib/python3/dist-packages/rospy/core.py", line 560, in signal_shutdown
    _logger.info("signal_shutdown [%s]"%reason)
Message: 'signal_shutdown [signal-2]'
Arguments: ()
^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C--- Logging error ---
^C--- Logging error ---
Traceback (most recent call last):
  File "/usr/lib/python3.8/logging/handlers.py", line 69, in emit
    if self.shouldRollover(record):
  File "/usr/lib/python3.8/logging/handlers.py", line 186, in shouldRollover
    self.stream.seek(0, 2)  #due to non-posix-compliant Windows feature
RuntimeError: reentrant call inside <_io.BufferedWriter name='/home/ggh/.ros/log/camera_traking.log'>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/lib/python3.8/logging/handlers.py", line 69, in emit
    if self.shouldRollover(record):
  File "/usr/lib/python3.8/logging/handlers.py", line 186, in shouldRollover
    self.stream.seek(0, 2)  #due to non-posix-compliant Windows feature
RuntimeError: reentrant call inside <_io.BufferedWriter name='/home/ggh/.ros/log/camera_traking.log'>
Call stack:
  File "/home/ggh/catkin_ws/src/neck_controller-1/EMOTIBOT_head/camera_tracking/scripts/camera_tracking_node.py", line 95, in <module>
    if cv2.waitKey(1) & 0xFF == ord('q'):
  File "/opt/ros/noetic/lib/python3/dist-packages/rospy/core.py", line 606, in _ros_signal
    signal_shutdown("signal-"+str(sig))
  File "/opt/ros/noetic/lib/python3/dist-packages/rospy/core.py", line 560, in signal_shutdown
    _logger.info("signal_shutdown [%s]"%reason)
  File "/usr/lib/python3.8/logging/__init__.py", line 1446, in info
    self._log(INFO, msg, args, **kwargs)
  File "/usr/lib/python3.8/logging/__init__.py", line 1589, in _log
    self.handle(record)
  File "/usr/lib/python3.8/logging/__init__.py", line 1599, in handle
    self.callHandlers(record)
  File "/usr/lib/python3.8/logging/__init__.py", line 1661, in callHandlers
    hdlr.handle(record)
  File "/usr/lib/python3.8/logging/__init__.py", line 954, in handle
    self.emit(record)
  File "/usr/lib/python3.8/logging/handlers.py", line 71, in emit
    logging.FileHandler.emit(self, record)
  File "/usr/lib/python3.8/logging/__init__.py", line 1187, in emit
    StreamHandler.emit(self, record)
  File "/usr/lib/python3.8/logging/__init__.py", line 1089, in emit
    self.flush()
  File "/usr/lib/python3.8/logging/__init__.py", line 1069, in flush
    self.stream.flush()
  File "/opt/ros/noetic/lib/python3/dist-packages/rospy/core.py", line 606, in _ros_signal
    signal_shutdown("signal-"+str(sig))
  File "/opt/ros/noetic/lib/python3/dist-packages/rospy/core.py", line 560, in signal_shutdown
    _logger.info("signal_shutdown [%s]"%reason)
  File "/usr/lib/python3.8/logging/__init__.py", line 1446, in info
    self._log(INFO, msg, args, **kwargs)
  File "/usr/lib/python3.8/logging/__init__.py", line 1589, in _log
    self.handle(record)
  File "/usr/lib/python3.8/logging/__init__.py", line 1599, in handle
    self.callHandlers(record)
  File "/usr/lib/python3.8/logging/__init__.py", line 1661, in callHandlers
    hdlr.handle(record)
  File "/usr/lib/python3.8/logging/__init__.py", line 954, in handle
    self.emit(record)
  File "/usr/lib/python3.8/logging/handlers.py", line 73, in emit
    self.handleError(record)
  File "/usr/lib/python3.8/logging/__init__.py", line 1007, in handleError
    traceback.print_exception(t, v, tb, None, sys.stderr)
  File "/usr/lib/python3.8/traceback.py", line 103, in print_exception
    for line in TracebackException(
  File "/usr/lib/python3.8/traceback.py", line 508, in __init__
    self.stack = StackSummary.extract(
  File "/usr/lib/python3.8/traceback.py", line 362, in extract
    linecache.checkcache(filename)
  File "/usr/lib/python3.8/linecache.py", line 74, in checkcache
    stat = os.stat(fullname)
  File "/opt/ros/noetic/lib/python3/dist-packages/rospy/core.py", line 606, in _ros_signal
    signal_shutdown("signal-"+str(sig))
  File "/opt/ros/noetic/lib/python3/dist-packages/rospy/core.py", line 560, in signal_shutdown
    _logger.info("signal_shutdown [%s]"%reason)
Message: 'signal_shutdown [signal-2]'
Arguments: ()
Traceback (most recent call last):
  File "/usr/lib/python3.8/logging/handlers.py", line 69, in emit
    if self.shouldRollover(record):
  File "/usr/lib/python3.8/logging/handlers.py", line 186, in shouldRollover
    self.stream.seek(0, 2)  #due to non-posix-compliant Windows feature
RuntimeError: reentrant call inside <_io.BufferedWriter name='/home/ggh/.ros/log/camera_traking.log'>
Call stack:
  File "/home/ggh/catkin_ws/src/neck_controller-1/EMOTIBOT_head/camera_tracking/scripts/camera_tracking_node.py", line 95, in <module>
    if cv2.waitKey(1) & 0xFF == ord('q'):
  File "/opt/ros/noetic/lib/python3/dist-packages/rospy/core.py", line 606, in _ros_signal
    signal_shutdown("signal-"+str(sig))
  File "/opt/ros/noetic/lib/python3/dist-packages/rospy/core.py", line 560, in signal_shutdown
    _logger.info("signal_shutdown [%s]"%reason)
  File "/usr/lib/python3.8/logging/__init__.py", line 1446, in info
    self._log(INFO, msg, args, **kwargs)
  File "/usr/lib/python3.8/logging/__init__.py", line 1589, in _log
    self.handle(record)
  File "/usr/lib/python3.8/logging/__init__.py", line 1599, in handle
    self.callHandlers(record)
  File "/usr/lib/python3.8/logging/__init__.py", line 1661, in callHandlers
    hdlr.handle(record)
  File "/usr/lib/python3.8/logging/__init__.py", line 954, in handle
    self.emit(record)
  File "/usr/lib/python3.8/logging/handlers.py", line 71, in emit
    logging.FileHandler.emit(self, record)
  File "/usr/lib/python3.8/logging/__init__.py", line 1187, in emit
    StreamHandler.emit(self, record)
  File "/usr/lib/python3.8/logging/__init__.py", line 1089, in emit
    self.flush()
  File "/usr/lib/python3.8/logging/__init__.py", line 1069, in flush
    self.stream.flush()
  File "/opt/ros/noetic/lib/python3/dist-packages/rospy/core.py", line 606, in _ros_signal
    signal_shutdown("signal-"+str(sig))
  File "/opt/ros/noetic/lib/python3/dist-packages/rospy/core.py", line 560, in signal_shutdown
    _logger.info("signal_shutdown [%s]"%reason)
Message: 'signal_shutdown [signal-2]'
Arguments: ()
^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C--- Logging error ---
Traceback (most recent call last):
  File "/usr/lib/python3.8/logging/handlers.py", line 69, in emit
    if self.shouldRollover(record):
  File "/usr/lib/python3.8/logging/handlers.py", line 186, in shouldRollover
    self.stream.seek(0, 2)  #due to non-posix-compliant Windows feature
RuntimeError: reentrant call inside <_io.BufferedWriter name='/home/ggh/.ros/log/camera_traking.log'>
Call stack:
  File "/home/ggh/catkin_ws/src/neck_controller-1/EMOTIBOT_head/camera_tracking/scripts/camera_tracking_node.py", line 35, in <module>
    faces = face_cascade.detectMultiScale(gray, scaleFactor=1.1, minNeighbors=8, minSize=(30, 30))
  File "/opt/ros/noetic/lib/python3/dist-packages/rospy/core.py", line 606, in _ros_signal
    signal_shutdown("signal-"+str(sig))
  File "/opt/ros/noetic/lib/python3/dist-packages/rospy/core.py", line 560, in signal_shutdown
    _logger.info("signal_shutdown [%s]"%reason)
  File "/usr/lib/python3.8/logging/__init__.py", line 1446, in info
    self._log(INFO, msg, args, **kwargs)
  File "/usr/lib/python3.8/logging/__init__.py", line 1589, in _log
    self.handle(record)
  File "/usr/lib/python3.8/logging/__init__.py", line 1599, in handle
    self.callHandlers(record)
  File "/usr/lib/python3.8/logging/__init__.py", line 1661, in callHandlers
    hdlr.handle(record)
  File "/usr/lib/python3.8/logging/__init__.py", line 954, in handle
    self.emit(record)
  File "/usr/lib/python3.8/logging/handlers.py", line 71, in emit
    logging.FileHandler.emit(self, record)
  File "/usr/lib/python3.8/logging/__init__.py", line 1187, in emit
    StreamHandler.emit(self, record)
  File "/usr/lib/python3.8/logging/__init__.py", line 1089, in emit
    self.flush()
  File "/usr/lib/python3.8/logging/__init__.py", line 1069, in flush
    self.stream.flush()
  File "/opt/ros/noetic/lib/python3/dist-packages/rospy/core.py", line 606, in _ros_signal
    signal_shutdown("signal-"+str(sig))
  File "/opt/ros/noetic/lib/python3/dist-packages/rospy/core.py", line 560, in signal_shutdown
    _logger.info("signal_shutdown [%s]"%reason)
Message: 'signal_shutdown [signal-2]'
Arguments: ()
^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C--- Logging error ---
Traceback (most recent call last):
  File "/usr/lib/python3.8/logging/handlers.py", line 69, in emit
    if self.shouldRollover(record):
  File "/usr/lib/python3.8/logging/handlers.py", line 186, in shouldRollover
    self.stream.seek(0, 2)  #due to non-posix-compliant Windows feature
RuntimeError: reentrant call inside <_io.BufferedWriter name='/home/ggh/.ros/log/camera_traking.log'>
Call stack:
  File "/home/ggh/catkin_ws/src/neck_controller-1/EMOTIBOT_head/camera_tracking/scripts/camera_tracking_node.py", line 35, in <module>
    faces = face_cascade.detectMultiScale(gray, scaleFactor=1.1, minNeighbors=8, minSize=(30, 30))
  File "/opt/ros/noetic/lib/python3/dist-packages/rospy/core.py", line 606, in _ros_signal
    signal_shutdown("signal-"+str(sig))
  File "/opt/ros/noetic/lib/python3/dist-packages/rospy/core.py", line 560, in signal_shutdown
    _logger.info("signal_shutdown [%s]"%reason)
  File "/usr/lib/python3.8/logging/__init__.py", line 1446, in info
    self._log(INFO, msg, args, **kwargs)
  File "/usr/lib/python3.8/logging/__init__.py", line 1589, in _log
    self.handle(record)
  File "/usr/lib/python3.8/logging/__init__.py", line 1599, in handle
    self.callHandlers(record)
  File "/usr/lib/python3.8/logging/__init__.py", line 1661, in callHandlers
    hdlr.handle(record)
  File "/usr/lib/python3.8/logging/__init__.py", line 954, in handle
    self.emit(record)
  File "/usr/lib/python3.8/logging/handlers.py", line 71, in emit
    logging.FileHandler.emit(self, record)
  File "/usr/lib/python3.8/logging/__init__.py", line 1187, in emit
    StreamHandler.emit(self, record)
  File "/usr/lib/python3.8/logging/__init__.py", line 1089, in emit
    self.flush()
  File "/usr/lib/python3.8/logging/__init__.py", line 1069, in flush
    self.stream.flush()
  File "/opt/ros/noetic/lib/python3/dist-packages/rospy/core.py", line 606, in _ros_signal
    signal_shutdown("signal-"+str(sig))
  File "/opt/ros/noetic/lib/python3/dist-packages/rospy/core.py", line 560, in signal_shutdown
    _logger.info("signal_shutdown [%s]"%reason)
Message: 'signal_shutdown [signal-2]'
Arguments: ()
^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C--- Logging error ---
^C--- Logging error ---
Traceback (most recent call last):
  File "/usr/lib/python3.8/logging/handlers.py", line 69, in emit
    if self.shouldRollover(record):
  File "/usr/lib/python3.8/logging/handlers.py", line 186, in shouldRollover
    self.stream.seek(0, 2)  #due to non-posix-compliant Windows feature
RuntimeError: reentrant call inside <_io.BufferedWriter name='/home/ggh/.ros/log/camera_traking.log'>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/lib/python3.8/logging/handlers.py", line 69, in emit
    if self.shouldRollover(record):
  File "/usr/lib/python3.8/logging/handlers.py", line 186, in shouldRollover
    self.stream.seek(0, 2)  #due to non-posix-compliant Windows feature
RuntimeError: reentrant call inside <_io.BufferedWriter name='/home/ggh/.ros/log/camera_traking.log'>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/lib/python3.8/logging/__init__.py", line 1089, in emit
    self.flush()
  File "/usr/lib/python3.8/logging/__init__.py", line 1069, in flush
    self.stream.flush()
  File "/opt/ros/noetic/lib/python3/dist-packages/rospy/core.py", line 606, in _ros_signal
    signal_shutdown("signal-"+str(sig))
  File "/opt/ros/noetic/lib/python3/dist-packages/rospy/core.py", line 560, in signal_shutdown
    _logger.info("signal_shutdown [%s]"%reason)
  File "/usr/lib/python3.8/logging/__init__.py", line 1446, in info
    self._log(INFO, msg, args, **kwargs)
  File "/usr/lib/python3.8/logging/__init__.py", line 1589, in _log
    self.handle(record)
  File "/usr/lib/python3.8/logging/__init__.py", line 1599, in handle
    self.callHandlers(record)
  File "/usr/lib/python3.8/logging/__init__.py", line 1661, in callHandlers
    hdlr.handle(record)
  File "/usr/lib/python3.8/logging/__init__.py", line 954, in handle
    self.emit(record)
  File "/usr/lib/python3.8/logging/handlers.py", line 73, in emit
    self.handleError(record)
  File "/usr/lib/python3.8/logging/__init__.py", line 1006, in handleError
    sys.stderr.write('--- Logging error ---\n')
  File "/opt/ros/noetic/lib/python3/dist-packages/rospy/core.py", line 606, in _ros_signal
    signal_shutdown("signal-"+str(sig))
  File "/opt/ros/noetic/lib/python3/dist-packages/rospy/core.py", line 560, in signal_shutdown
    _logger.info("signal_shutdown [%s]"%reason)
  File "/usr/lib/python3.8/logging/__init__.py", line 1446, in info
    self._log(INFO, msg, args, **kwargs)
  File "/usr/lib/python3.8/logging/__init__.py", line 1589, in _log
    self.handle(record)
  File "/usr/lib/python3.8/logging/__init__.py", line 1599, in handle
    self.callHandlers(record)
  File "/usr/lib/python3.8/logging/__init__.py", line 1661, in callHandlers
    hdlr.handle(record)
  File "/usr/lib/python3.8/logging/__init__.py", line 954, in h