Worker restart due to OSError: [Errno 107] Transport endpoint is not connected when using https #3306
Description
Looks like something related to #1913
and may happen with gthread worker only when using with ssl.
Previously it happened during executing parse_headers and/or accept functions,
and was fixed by catching ENOTCONN error: https://github.com/benoitc/gunicorn/pull/2277/files
However, when using with ssl worker may crash in similar way:
ERR 2024-09-22 16:05:50,184 gunicorn_app_server 51616 'MainThread' : Exception in worker process [glogging.py:284]
Traceback (most recent call last):
File "ssl.py", line 993, in _create
OSError: [Errno 107] Transport endpoint is not connected
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "gunicorn/arbiter.py", line 609, in spawn_worker
File "sfutils/service/gunicorn_sfthread.py", line 96, in init_process
File "gunicorn/workers/base.py", line 142, in init_process
File "gunicorn/workers/gthread.py", line 214, in run
File "gunicorn/workers/gthread.py", line 150, in on_client_socket_readable
File "gunicorn/workers/gthread.py", line 115, in enqueue_req
File "gunicorn/workers/gthread.py", line 56, in init
File "gunicorn/sock.py", line 249, in ssl_wrap_socket
File "ssl.py", line 455, in wrap_socket
File "ssl.py", line 1022, in _create
ssl.SSLError: Closed before TLS handshake with data in recv buffer.
And gthread.py line 56 is:
def init(self):
self.initialized = True
self.sock.setblocking(True)
if self.parser is None:
# wrap the socket if needed
if self.cfg.is_ssl:
self.sock = sock.ssl_wrap_socket(self.sock, self.cfg) # <-- line 56
# initialize the parser
self.parser = http.RequestParser(self.cfg, self.sock, self.client)
So, these exceptions if appeared in accept or parse_headers (exactly in handle function) are ignored and worker works properly but in case it happens in TConn.init cause that worker process crash.