Andrew de Quincey <a...@tvsquared.com> added the comment:
Debugging a bit more shows our code is deadlocked at:
File "/usr/lib/python3.7/logging/__init__.py", line 219, in _acquireLock
_lock.acquire()
File "/usr/lib/python3.7/logging/config.py", line 501, in configure
logging._acquireLock()
File "/usr/lib/python3.7/logging/config.py", line 800, in dictConfig
dictConfigClass(config).configure()
File "/home/backend/backend/lib/request.py", line 591, in init
logging.config.dictConfig(getLoggingDict(loglevel=self.loglevel))
Looking at other threads, I found this:
File "/usr/lib/python3.7/logging/__init__.py", line 219, in _acquireLock
_lock.acquire()
File "/usr/lib/python3.7/logging/__init__.py", line 776, in _removeHandlerRef
acquire()
Garbage-collecting
File "/home/backend/backend/lib/common/log/logstash.py", line 13, in
fix_log_message
for k, v in logmessage.items():
File "/home/backend/backend/lib/common/log/logstash.py", line 14, in
fix_log_message
logmessage[k] = self.fix_log_message(v)
File "/home/backend/backend/lib/common/log/logstash.py", line 14, in
fix_log_message
logmessage[k] = self.fix_log_message(v)
File "/home/backend/backend/lib/common/log/logstash.py", line 14, in
fix_log_message
logmessage[k] = self.fix_log_message(v)
File "/home/backend/backend/lib/common/log/logstash.py", line 66, in format
return self.serialize(self.fix_log_message(message))
File
"/home/backend/venv/lib/python3.7/site-packages/logstash/handler_tcp.py", line
25, in makePickle
return self.formatter.format(record) + b'\n'
File "/usr/lib/python3.7/logging/handlers.py", line 631, in emit
s = self.makePickle(record)
File "/usr/lib/python3.7/logging/__init__.py", line 894, in handle
self.emit(record)
File "/usr/lib/python3.7/logging/__init__.py", line 1586, in callHandlers
hdlr.handle(record)
File "/usr/lib/python3.7/logging/__init__.py", line 1524, in handle
self.callHandlers(record)
File "/usr/lib/python3.7/logging/__init__.py", line 1514, in _log
self.handle(record)
File "/usr/lib/python3.7/logging/__init__.py", line 1378, in info
self._log(INFO, msg, args, **kwargs)
It looks like its trying to free a lock that is already locked during garbage
collection?
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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue42097>
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