nohup.out

[2024-12-02 22:52:54 -0800] [702439] [INFO] Starting gunicorn 23.0.0
[2024-12-02 22:52:54 -0800] [702439] [ERROR] Connection in use: ('0.0.0.0', 8000)
[2024-12-02 22:52:54 -0800] [702439] [ERROR] connection to ('0.0.0.0', 8000) failed: [Errno 98] Address already in use
[2024-12-02 22:52:55 -0800] [702439] [ERROR] Connection in use: ('0.0.0.0', 8000)
[2024-12-02 22:52:55 -0800] [702439] [ERROR] connection to ('0.0.0.0', 8000) failed: [Errno 98] Address already in use
[2024-12-02 22:52:56 -0800] [702439] [ERROR] Connection in use: ('0.0.0.0', 8000)
[2024-12-02 22:52:56 -0800] [702439] [ERROR] connection to ('0.0.0.0', 8000) failed: [Errno 98] Address already in use
[2024-12-02 22:52:57 -0800] [702439] [ERROR] Connection in use: ('0.0.0.0', 8000)
[2024-12-02 22:52:57 -0800] [702439] [ERROR] connection to ('0.0.0.0', 8000) failed: [Errno 98] Address already in use
[2024-12-02 22:52:58 -0800] [702439] [ERROR] Connection in use: ('0.0.0.0', 8000)
[2024-12-02 22:52:58 -0800] [702439] [ERROR] connection to ('0.0.0.0', 8000) failed: [Errno 98] Address already in use
[2024-12-02 22:52:59 -0800] [702439] [ERROR] Can't connect to ('0.0.0.0', 8000)
[2024-12-02 22:53:20 -0800] [703062] [INFO] Starting gunicorn 23.0.0
[2024-12-02 22:53:20 -0800] [703062] [INFO] Listening at: http://0.0.0.0:42187 (703062)
[2024-12-02 22:53:20 -0800] [703062] [INFO] Using worker: sync
[2024-12-02 22:53:20 -0800] [703065] [INFO] Booting worker with pid: 703065
[2024-12-02 22:53:20 -0800] [703066] [INFO] Booting worker with pid: 703066
[2024-12-02 22:53:20 -0800] [703069] [INFO] Booting worker with pid: 703069
[2024-12-02 22:53:21 -0800] [703070] [INFO] Booting worker with pid: 703070
[2024-12-03 01:59:21 -0800] [703062] [INFO] Handling signal: hup
--- Logging error ---
[2024-12-03 01:59:21 -0800] [703062] [ERROR] Worker (pid:703065) was sent SIGHUP!
[2024-12-03 01:59:21 -0800] [703062] [ERROR] Worker (pid:703069) was sent SIGHUP!
[2024-12-03 01:59:21 -0800] [703062] [ERROR] Worker (pid:703070) was sent SIGHUP!
Traceback (most recent call last):
  File "/usr/lib64/python3.9/logging/__init__.py", line 1086, in emit
    stream.write(msg + self.terminator)
RuntimeError: reentrant call inside <_io.BufferedWriter name='<stderr>'>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/lib64/python3.9/logging/__init__.py", line 1086, in emit
    stream.write(msg + self.terminator)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/arbiter.py", line 241, in handle_chld
    self.reap_workers()
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/arbiter.py", line 553, in reap_workers
    self.log.error(msg)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/glogging.py", line 271, in error
    self.error_log.error(msg, *args, **kwargs)
  File "/usr/lib64/python3.9/logging/__init__.py", line 1475, in error
    self._log(ERROR, msg, args, **kwargs)
  File "/usr/lib64/python3.9/logging/__init__.py", line 1589, in _log
    self.handle(record)
  File "/usr/lib64/python3.9/logging/__init__.py", line 1599, in handle
    self.callHandlers(record)
  File "/usr/lib64/python3.9/logging/__init__.py", line 1661, in callHandlers
    hdlr.handle(record)
  File "/usr/lib64/python3.9/logging/__init__.py", line 952, in handle
    self.emit(record)
  File "/usr/lib64/python3.9/logging/__init__.py", line 1091, in emit
    self.handleError(record)
  File "/usr/lib64/python3.9/logging/__init__.py", line 1004, in handleError
    sys.stderr.write('--- Logging error ---\n')
RuntimeError: reentrant call inside <_io.BufferedWriter name='<stderr>'>
Call stack:
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/bin/gunicorn", line 8, in <module>
    sys.exit(run())
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/app/wsgiapp.py", line 66, in run
    WSGIApplication("%(prog)s [OPTIONS] [APP_MODULE]", prog=prog).run()
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/app/base.py", line 235, in run
    super().run()
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/app/base.py", line 71, in run
    Arbiter(self).run()
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/arbiter.py", line 222, in run
    self.log.info("Handling signal: %s", signame)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/glogging.py", line 277, in info
    self.error_log.info(msg, *args, **kwargs)
Message: 'Handling signal: %s'
Arguments: ('hup',)
[2024-12-03 01:59:21 -0800] [703062] [INFO] Hang up: Master
[2024-12-03 01:59:21 -0800] [900793] [INFO] Booting worker with pid: 900793
[2024-12-03 01:59:21 -0800] [900794] [INFO] Booting worker with pid: 900794
[2024-12-03 01:59:21 -0800] [900795] [INFO] Booting worker with pid: 900795
[2024-12-03 01:59:21 -0800] [900796] [INFO] Booting worker with pid: 900796
[2024-12-03 06:37:18 -0800] [703062] [CRITICAL] WORKER TIMEOUT (pid:900795)
[2024-12-03 06:37:18 -0800] [900795] [ERROR] Error handling request (no URI read)
Traceback (most recent call last):
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/workers/sync.py", line 133, in handle
    req = next(parser)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/parser.py", line 41, in __next__
    self.mesg = self.mesg_class(self.cfg, self.unreader, self.source_addr, self.req_count)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/message.py", line 259, in __init__
    super().__init__(cfg, unreader, peer_addr)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/message.py", line 60, in __init__
    unused = self.parse(self.unreader)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/message.py", line 271, in parse
    self.get_data(unreader, buf, stop=True)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/message.py", line 262, in get_data
    data = unreader.read()
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/unreader.py", line 36, in read
    d = self.chunk()
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/unreader.py", line 63, in chunk
    return self.sock.recv(self.mxchunk)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/workers/base.py", line 204, in handle_abort
    sys.exit(1)
SystemExit: 1
[2024-12-03 06:37:18 -0800] [900795] [INFO] Worker exiting (pid: 900795)
[2024-12-03 06:37:18 -0800] [1020524] [INFO] Booting worker with pid: 1020524
[2024-12-03 06:38:45 -0800] [703062] [CRITICAL] WORKER TIMEOUT (pid:1020524)
[2024-12-03 06:38:45 -0800] [1020524] [ERROR] Error handling request (no URI read)
Traceback (most recent call last):
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/workers/sync.py", line 133, in handle
    req = next(parser)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/parser.py", line 41, in __next__
    self.mesg = self.mesg_class(self.cfg, self.unreader, self.source_addr, self.req_count)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/message.py", line 259, in __init__
    super().__init__(cfg, unreader, peer_addr)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/message.py", line 60, in __init__
    unused = self.parse(self.unreader)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/message.py", line 271, in parse
    self.get_data(unreader, buf, stop=True)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/message.py", line 262, in get_data
    data = unreader.read()
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/unreader.py", line 36, in read
    d = self.chunk()
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/unreader.py", line 63, in chunk
    return self.sock.recv(self.mxchunk)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/workers/base.py", line 204, in handle_abort
    sys.exit(1)
SystemExit: 1
[2024-12-03 06:38:45 -0800] [1020524] [INFO] Worker exiting (pid: 1020524)
[2024-12-03 06:38:45 -0800] [1021086] [INFO] Booting worker with pid: 1021086
[2024-12-03 06:44:49 -0800] [703062] [CRITICAL] WORKER TIMEOUT (pid:900793)
[2024-12-03 06:44:49 -0800] [900793] [ERROR] Error handling request (no URI read)
Traceback (most recent call last):
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/workers/sync.py", line 133, in handle
    req = next(parser)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/parser.py", line 41, in __next__
    self.mesg = self.mesg_class(self.cfg, self.unreader, self.source_addr, self.req_count)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/message.py", line 259, in __init__
    super().__init__(cfg, unreader, peer_addr)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/message.py", line 60, in __init__
    unused = self.parse(self.unreader)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/message.py", line 271, in parse
    self.get_data(unreader, buf, stop=True)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/message.py", line 262, in get_data
    data = unreader.read()
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/unreader.py", line 36, in read
    d = self.chunk()
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/unreader.py", line 63, in chunk
    return self.sock.recv(self.mxchunk)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/workers/base.py", line 204, in handle_abort
    sys.exit(1)
SystemExit: 1
[2024-12-03 06:44:49 -0800] [900793] [INFO] Worker exiting (pid: 900793)
[2024-12-03 06:44:49 -0800] [1023600] [INFO] Booting worker with pid: 1023600
[2024-12-03 06:46:14 -0800] [703062] [CRITICAL] WORKER TIMEOUT (pid:1023600)
[2024-12-03 06:46:14 -0800] [1023600] [ERROR] Error handling request (no URI read)
Traceback (most recent call last):
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/workers/sync.py", line 133, in handle
    req = next(parser)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/parser.py", line 41, in __next__
    self.mesg = self.mesg_class(self.cfg, self.unreader, self.source_addr, self.req_count)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/message.py", line 259, in __init__
    super().__init__(cfg, unreader, peer_addr)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/message.py", line 60, in __init__
    unused = self.parse(self.unreader)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/message.py", line 271, in parse
    self.get_data(unreader, buf, stop=True)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/message.py", line 262, in get_data
    data = unreader.read()
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/unreader.py", line 36, in read
    d = self.chunk()
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/unreader.py", line 63, in chunk
    return self.sock.recv(self.mxchunk)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/workers/base.py", line 204, in handle_abort
    sys.exit(1)
SystemExit: 1
[2024-12-03 06:46:14 -0800] [1023600] [INFO] Worker exiting (pid: 1023600)
[2024-12-03 06:46:14 -0800] [1024191] [INFO] Booting worker with pid: 1024191
[2024-12-03 06:46:37,882] ERROR in app: Exception on /metrics/edit/4 [GET]
Traceback (most recent call last):
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/flask/app.py", line 1511, in wsgi_app
    response = self.full_dispatch_request()
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/flask/app.py", line 919, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/flask/app.py", line 917, in full_dispatch_request
    rv = self.dispatch_request()
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/flask/app.py", line 902, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/app.py", line 361, in edit_metric
    cursor = db.cursor(dictionary=True)  # Use a dictionary cursor for easier access
NameError: name 'db' is not defined
[2024-12-03 06:46:40,461] ERROR in app: Exception on /metrics/edit/4 [GET]
Traceback (most recent call last):
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/flask/app.py", line 1511, in wsgi_app
    response = self.full_dispatch_request()
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/flask/app.py", line 919, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/flask/app.py", line 917, in full_dispatch_request
    rv = self.dispatch_request()
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/flask/app.py", line 902, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/app.py", line 361, in edit_metric
    cursor = db.cursor(dictionary=True)  # Use a dictionary cursor for easier access
NameError: name 'db' is not defined
[2024-12-03 06:46:51,140] ERROR in app: Exception on /metrics/edit/1 [GET]
Traceback (most recent call last):
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/flask/app.py", line 1511, in wsgi_app
    response = self.full_dispatch_request()
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/flask/app.py", line 919, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/flask/app.py", line 917, in full_dispatch_request
    rv = self.dispatch_request()
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/flask/app.py", line 902, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/app.py", line 361, in edit_metric
    cursor = db.cursor(dictionary=True)  # Use a dictionary cursor for easier access
NameError: name 'db' is not defined
[2024-12-03 06:47:35 -0800] [703062] [CRITICAL] WORKER TIMEOUT (pid:1021086)
[2024-12-03 06:47:35 -0800] [1021086] [ERROR] Error handling request (no URI read)
Traceback (most recent call last):
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/workers/sync.py", line 133, in handle
    req = next(parser)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/parser.py", line 41, in __next__
    self.mesg = self.mesg_class(self.cfg, self.unreader, self.source_addr, self.req_count)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/message.py", line 259, in __init__
    super().__init__(cfg, unreader, peer_addr)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/message.py", line 60, in __init__
    unused = self.parse(self.unreader)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/message.py", line 271, in parse
    self.get_data(unreader, buf, stop=True)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/message.py", line 262, in get_data
    data = unreader.read()
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/unreader.py", line 36, in read
    d = self.chunk()
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/unreader.py", line 63, in chunk
    return self.sock.recv(self.mxchunk)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/workers/base.py", line 204, in handle_abort
    sys.exit(1)
SystemExit: 1
[2024-12-03 06:47:35 -0800] [1021086] [INFO] Worker exiting (pid: 1021086)
[2024-12-03 06:47:35 -0800] [1024697] [INFO] Booting worker with pid: 1024697
[2024-12-03 06:49:27 -0800] [703062] [CRITICAL] WORKER TIMEOUT (pid:1024191)
[2024-12-03 06:49:27 -0800] [1024191] [ERROR] Error handling request (no URI read)
Traceback (most recent call last):
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/workers/sync.py", line 133, in handle
    req = next(parser)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/parser.py", line 41, in __next__
    self.mesg = self.mesg_class(self.cfg, self.unreader, self.source_addr, self.req_count)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/message.py", line 259, in __init__
    super().__init__(cfg, unreader, peer_addr)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/message.py", line 60, in __init__
    unused = self.parse(self.unreader)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/message.py", line 271, in parse
    self.get_data(unreader, buf, stop=True)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/message.py", line 262, in get_data
    data = unreader.read()
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/unreader.py", line 36, in read
    d = self.chunk()
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/unreader.py", line 63, in chunk
    return self.sock.recv(self.mxchunk)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/workers/base.py", line 204, in handle_abort
    sys.exit(1)
SystemExit: 1
[2024-12-03 06:49:27 -0800] [1024191] [INFO] Worker exiting (pid: 1024191)
[2024-12-03 06:49:27 -0800] [1025507] [INFO] Booting worker with pid: 1025507
[2024-12-03 06:52:58 -0800] [703062] [CRITICAL] WORKER TIMEOUT (pid:900794)
[2024-12-03 06:52:58 -0800] [900794] [ERROR] Error handling request (no URI read)
Traceback (most recent call last):
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/workers/sync.py", line 133, in handle
    req = next(parser)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/parser.py", line 41, in __next__
    self.mesg = self.mesg_class(self.cfg, self.unreader, self.source_addr, self.req_count)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/message.py", line 259, in __init__
    super().__init__(cfg, unreader, peer_addr)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/message.py", line 60, in __init__
    unused = self.parse(self.unreader)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/message.py", line 271, in parse
    self.get_data(unreader, buf, stop=True)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/message.py", line 262, in get_data
    data = unreader.read()
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/unreader.py", line 36, in read
    d = self.chunk()
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/unreader.py", line 63, in chunk
    return self.sock.recv(self.mxchunk)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/workers/base.py", line 204, in handle_abort
    sys.exit(1)
SystemExit: 1
[2024-12-03 06:52:58 -0800] [900794] [INFO] Worker exiting (pid: 900794)
[2024-12-03 06:52:58 -0800] [1027290] [INFO] Booting worker with pid: 1027290
[2024-12-03 06:54:01 -0800] [703062] [CRITICAL] WORKER TIMEOUT (pid:1024697)
[2024-12-03 06:54:01 -0800] [1024697] [ERROR] Error handling request (no URI read)
Traceback (most recent call last):
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/workers/sync.py", line 133, in handle
    req = next(parser)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/parser.py", line 41, in __next__
    self.mesg = self.mesg_class(self.cfg, self.unreader, self.source_addr, self.req_count)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/message.py", line 259, in __init__
    super().__init__(cfg, unreader, peer_addr)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/message.py", line 60, in __init__
    unused = self.parse(self.unreader)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/message.py", line 271, in parse
    self.get_data(unreader, buf, stop=True)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/message.py", line 262, in get_data
    data = unreader.read()
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/unreader.py", line 36, in read
    d = self.chunk()
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/unreader.py", line 63, in chunk
    return self.sock.recv(self.mxchunk)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/workers/base.py", line 204, in handle_abort
    sys.exit(1)
SystemExit: 1
[2024-12-03 06:54:01 -0800] [1024697] [INFO] Worker exiting (pid: 1024697)
[2024-12-03 06:54:01 -0800] [1027673] [INFO] Booting worker with pid: 1027673
[2024-12-03 21:42:11 -0800] [703062] [CRITICAL] WORKER TIMEOUT (pid:1027290)
[2024-12-03 21:42:11 -0800] [1027290] [ERROR] Error handling request (no URI read)
Traceback (most recent call last):
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/workers/sync.py", line 133, in handle
    req = next(parser)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/parser.py", line 41, in __next__
    self.mesg = self.mesg_class(self.cfg, self.unreader, self.source_addr, self.req_count)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/message.py", line 259, in __init__
    super().__init__(cfg, unreader, peer_addr)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/message.py", line 60, in __init__
    unused = self.parse(self.unreader)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/message.py", line 271, in parse
    self.get_data(unreader, buf, stop=True)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/message.py", line 262, in get_data
    data = unreader.read()
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/unreader.py", line 36, in read
    d = self.chunk()
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/unreader.py", line 63, in chunk
    return self.sock.recv(self.mxchunk)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/workers/base.py", line 204, in handle_abort
    sys.exit(1)
SystemExit: 1
[2024-12-03 21:42:11 -0800] [1027290] [INFO] Worker exiting (pid: 1027290)
[2024-12-03 21:42:11 -0800] [1753221] [INFO] Booting worker with pid: 1753221
[2024-12-05 13:02:38 -0800] [703062] [CRITICAL] WORKER TIMEOUT (pid:1753221)
[2024-12-05 13:02:38 -0800] [1753221] [ERROR] Error handling request (no URI read)
Traceback (most recent call last):
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/workers/sync.py", line 133, in handle
    req = next(parser)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/parser.py", line 41, in __next__
    self.mesg = self.mesg_class(self.cfg, self.unreader, self.source_addr, self.req_count)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/message.py", line 259, in __init__
    super().__init__(cfg, unreader, peer_addr)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/message.py", line 60, in __init__
    unused = self.parse(self.unreader)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/message.py", line 271, in parse
    self.get_data(unreader, buf, stop=True)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/message.py", line 262, in get_data
    data = unreader.read()
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/unreader.py", line 36, in read
    d = self.chunk()
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/unreader.py", line 63, in chunk
    return self.sock.recv(self.mxchunk)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/workers/base.py", line 204, in handle_abort
    sys.exit(1)
SystemExit: 1
[2024-12-05 13:02:38 -0800] [1753221] [INFO] Worker exiting (pid: 1753221)
[2024-12-05 13:02:38 -0800] [3767332] [INFO] Booting worker with pid: 3767332
[2024-12-05 14:08:46,407] ERROR in app: Exception on /users/add [POST]
Traceback (most recent call last):
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/flask/app.py", line 1511, in wsgi_app
    response = self.full_dispatch_request()
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/flask/app.py", line 919, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/flask/app.py", line 917, in full_dispatch_request
    rv = self.dispatch_request()
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/flask/app.py", line 902, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/app.py", line 47, in add_user
    cursor.execute("INSERT INTO Users (username, contact) VALUES (%s, %s)", (username, contact))
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/mysql/connector/cursor.py", line 551, in execute
    self._handle_result(self._connection.cmd_query(stmt))
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/mysql/connector/connection.py", line 490, in cmd_query
    result = self._handle_result(self._send_cmd(ServerCmd.QUERY, query))
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/mysql/connector/connection.py", line 395, in _handle_result
    raise errors.get_exception(packet)
mysql.connector.errors.IntegrityError: 1062 (23000): Duplicate entry 'Freddy' for key 'username'
[2024-12-05 14:09:31 -0800] [703062] [CRITICAL] WORKER TIMEOUT (pid:1027673)
[2024-12-05 14:09:31 -0800] [1027673] [ERROR] Error handling request /users/edit/7
Traceback (most recent call last):
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/workers/sync.py", line 134, in handle
    self.handle_request(listener, req, client, addr)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/workers/sync.py", line 177, in handle_request
    respiter = self.wsgi(environ, resp.start_response)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/flask/app.py", line 1536, in __call__
    return self.wsgi_app(environ, start_response)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/flask/app.py", line 1511, in wsgi_app
    response = self.full_dispatch_request()
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/flask/app.py", line 917, in full_dispatch_request
    rv = self.dispatch_request()
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/flask/app.py", line 902, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/app.py", line 77, in edit_user
    cursor.execute("UPDATE Users SET username = %s, contact = %s WHERE user_id = %s", (username, contact, user_id))
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/mysql/connector/cursor.py", line 551, in execute
    self._handle_result(self._connection.cmd_query(stmt))
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/mysql/connector/connection.py", line 490, in cmd_query
    result = self._handle_result(self._send_cmd(ServerCmd.QUERY, query))
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/mysql/connector/connection.py", line 267, in _send_cmd
    return self._socket.recv()
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/mysql/connector/network.py", line 241, in recv_plain
    chunk = self.sock.recv(4 - packet_len)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/workers/base.py", line 204, in handle_abort
    sys.exit(1)
SystemExit: 1
[2024-12-05 14:09:31 -0800] [1027673] [INFO] Worker exiting (pid: 1027673)
[2024-12-05 14:09:31 -0800] [3928201] [INFO] Booting worker with pid: 3928201
[2024-12-05 14:09:42 -0800] [703062] [CRITICAL] WORKER TIMEOUT (pid:900796)
[2024-12-05 14:09:42 -0800] [900796] [ERROR] Error handling request /users/delete/7
Traceback (most recent call last):
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/workers/sync.py", line 134, in handle
    self.handle_request(listener, req, client, addr)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/workers/sync.py", line 177, in handle_request
    respiter = self.wsgi(environ, resp.start_response)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/flask/app.py", line 1536, in __call__
    return self.wsgi_app(environ, start_response)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/flask/app.py", line 1511, in wsgi_app
    response = self.full_dispatch_request()
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/flask/app.py", line 917, in full_dispatch_request
    rv = self.dispatch_request()
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/flask/app.py", line 902, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/app.py", line 60, in delete_user
    cursor.execute("DELETE FROM Users WHERE user_id = %s", (user_id,))
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/mysql/connector/cursor.py", line 551, in execute
    self._handle_result(self._connection.cmd_query(stmt))
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/mysql/connector/connection.py", line 490, in cmd_query
    result = self._handle_result(self._send_cmd(ServerCmd.QUERY, query))
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/mysql/connector/connection.py", line 267, in _send_cmd
    return self._socket.recv()
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/mysql/connector/network.py", line 241, in recv_plain
    chunk = self.sock.recv(4 - packet_len)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/workers/base.py", line 204, in handle_abort
    sys.exit(1)
SystemExit: 1
[2024-12-05 14:09:42 -0800] [900796] [INFO] Worker exiting (pid: 900796)
[2024-12-05 14:09:42 -0800] [3928658] [INFO] Booting worker with pid: 3928658
[2024-12-05 14:19:07,498] ERROR in app: Exception on /users/add [POST]
Traceback (most recent call last):
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/flask/app.py", line 1511, in wsgi_app
    response = self.full_dispatch_request()
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/flask/app.py", line 919, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/flask/app.py", line 917, in full_dispatch_request
    rv = self.dispatch_request()
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/flask/app.py", line 902, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/app.py", line 47, in add_user
    cursor.execute("INSERT INTO Users (username, contact) VALUES (%s, %s)", (username, contact))
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/mysql/connector/cursor.py", line 551, in execute
    self._handle_result(self._connection.cmd_query(stmt))
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/mysql/connector/connection.py", line 490, in cmd_query
    result = self._handle_result(self._send_cmd(ServerCmd.QUERY, query))
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/mysql/connector/connection.py", line 395, in _handle_result
    raise errors.get_exception(packet)
mysql.connector.errors.IntegrityError: 1062 (23000): Duplicate entry 'joonhyungkang' for key 'username'
[2024-12-05 14:23:22 -0800] [703062] [CRITICAL] WORKER TIMEOUT (pid:1025507)
[2024-12-05 14:23:22 -0800] [1025507] [ERROR] Error handling request (no URI read)
Traceback (most recent call last):
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/workers/sync.py", line 133, in handle
    req = next(parser)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/parser.py", line 41, in __next__
    self.mesg = self.mesg_class(self.cfg, self.unreader, self.source_addr, self.req_count)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/message.py", line 259, in __init__
    super().__init__(cfg, unreader, peer_addr)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/message.py", line 60, in __init__
    unused = self.parse(self.unreader)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/message.py", line 271, in parse
    self.get_data(unreader, buf, stop=True)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/message.py", line 262, in get_data
    data = unreader.read()
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/unreader.py", line 36, in read
    d = self.chunk()
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/http/unreader.py", line 63, in chunk
    return self.sock.recv(self.mxchunk)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/gunicorn/workers/base.py", line 204, in handle_abort
    sys.exit(1)
SystemExit: 1
[2024-12-05 14:23:22 -0800] [1025507] [INFO] Worker exiting (pid: 1025507)
[2024-12-05 14:23:22 -0800] [3946014] [INFO] Booting worker with pid: 3946014
[2024-12-05 14:28:32,047] ERROR in app: Exception on /session-exercises/add [POST]
Traceback (most recent call last):
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/flask/app.py", line 1511, in wsgi_app
    response = self.full_dispatch_request()
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/flask/app.py", line 919, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/flask/app.py", line 917, in full_dispatch_request
    rv = self.dispatch_request()
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/flask/app.py", line 902, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/app.py", line 207, in add_session_exercise
    cursor.execute("""
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/mysql/connector/cursor.py", line 551, in execute
    self._handle_result(self._connection.cmd_query(stmt))
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/mysql/connector/connection.py", line 490, in cmd_query
    result = self._handle_result(self._send_cmd(ServerCmd.QUERY, query))
  File "/nfs/stak/users/kangjoo/cs_340kangjoo/cs340-project/.venv/lib64/python3.9/site-packages/mysql/connector/connection.py", line 395, in _handle_result
    raise errors.get_exception(packet)
mysql.connector.errors.IntegrityError: 1452 (23000): Cannot add or update a child row: a foreign key constraint fails (`cs340_kangjoo`.`SessionExercises`, CONSTRAINT `SessionExercises_ibfk_1` FOREIGN KEY (`workout_session_id`) REFERENCES `WorkoutSessions` (`workout_session_id`) ON DELETE CASCADE)
[2024-12-08 19:03:27 -0800] [703062] [ERROR] Worker (pid:3946014) was sent SIGKILL! Perhaps out of memory?
[2024-12-08 19:03:27 -0800] [2542885] [INFO] Booting worker with pid: 2542885
[2024-12-08 19:03:33 -0800] [703062] [ERROR] Worker (pid:3928658) was sent SIGKILL! Perhaps out of memory?
[2024-12-08 19:03:33 -0800] [2543005] [INFO] Booting worker with pid: 2543005
[2024-12-08 19:03:41 -0800] [703062] [ERROR] Worker (pid:3928201) was sent SIGKILL! Perhaps out of memory?
[2024-12-08 19:03:41 -0800] [2543114] [INFO] Booting worker with pid: 2543114
[2024-12-08 19:03:49 -0800] [703062] [ERROR] Worker (pid:3767332) was sent SIGKILL! Perhaps out of memory?
[2024-12-08 19:03:49 -0800] [2543231] [INFO] Booting worker with pid: 2543231
[2024-12-08 19:03:56 -0800] [2543114] [INFO] Parent changed, shutting down: <Worker 2543114>
[2024-12-08 19:03:56 -0800] [2543114] [INFO] Worker exiting (pid: 2543114)
[2024-12-08 19:03:59 -0800] [2542885] [INFO] Parent changed, shutting down: <Worker 2542885>
[2024-12-08 19:03:59 -0800] [2542885] [INFO] Worker exiting (pid: 2542885)
[2024-12-08 19:04:04 -0800] [2543005] [INFO] Parent changed, shutting down: <Worker 2543005>
[2024-12-08 19:04:04 -0800] [2543005] [INFO] Worker exiting (pid: 2543005)
[2024-12-08 19:04:04 -0800] [2543231] [INFO] Parent changed, shutting down: <Worker 2543231>
[2024-12-08 19:04:04 -0800] [2543231] [INFO] Worker exiting (pid: 2543231)