Input process (PID 3879352) shut down before stream coming online, aborting

Created by: nerijus

Mistserver 3.1 on CentOS Stream 9. We restarted the service:

Jul 23 06:07:12 server systemd[1]: Stopping MistServer...
Jul 23 06:07:12 server MistController[3804293]: [2022-07-23 06:07:12] MistController (3804293) CONF: Controller shutting down because of user request (received shutdown signal)
Jul 23 06:07:13 server MistController[3804293]: Killed all processes, wrote config to disk. Exiting.
Jul 23 06:07:22 server systemd[1]: mistserver.service: State 'final-sigterm' timed out. Killing.
Jul 23 06:07:22 server systemd[1]: mistserver.service: Killing process 3804411 (MistInTS) with signal SIGKILL.
Jul 23 06:07:22 server systemd[1]: mistserver.service: Killing process 3804412 (MistInTS) with signal SIGKILL.
Jul 23 06:07:22 server systemd[1]: mistserver.service: Killing process 3804414 (MistInBuffer) with signal SIGKILL.
Jul 23 06:07:22 server systemd[1]: mistserver.service: Killing process 3804415 (MistInBuffer) with signal SIGKILL.
Jul 23 06:07:22 server systemd[1]: mistserver.service: Killing process 3804419 (MistInTS) with signal SIGKILL.
Jul 23 06:07:22 server systemd[1]: mistserver.service: Killing process 3804420 (MistInTS) with signal SIGKILL.
Jul 23 06:07:22 server systemd[1]: mistserver.service: Killing process 3804422 (MistInBuffer) with signal SIGKILL.
Jul 23 06:07:22 server systemd[1]: mistserver.service: Killing process 3804423 (MistInBuffer) with signal SIGKILL.
Jul 23 06:07:22 server systemd[1]: mistserver.service: Killing process 3804431 (MistInTS) with signal SIGKILL.
Jul 23 06:07:22 server systemd[1]: mistserver.service: Killing process 3804432 (MistInTS) with signal SIGKILL.
Jul 23 06:07:22 server systemd[1]: mistserver.service: Killing process 3804434 (MistInBuffer) with signal SIGKILL.
Jul 23 06:07:22 server systemd[1]: mistserver.service: Killing process 3804435 (MistInBuffer) with signal SIGKILL.
Jul 23 06:07:22 server systemd[1]: mistserver.service: Killing process 3850985 (MistInTS) with signal SIGKILL.
Jul 23 06:07:22 server systemd[1]: mistserver.service: Killing process 3850986 (MistInTS) with signal SIGKILL.
Jul 23 06:07:22 server systemd[1]: mistserver.service: Killing process 3850988 (MistInBuffer) with signal SIGKILL.
Jul 23 06:07:22 server systemd[1]: mistserver.service: Killing process 3850989 (MistInBuffer) with signal SIGKILL.
Jul 23 06:07:22 server systemd[1]: mistserver.service: Failed with result 'timeout'.
Jul 23 06:07:22 server systemd[1]: mistserver.service: Unit process 3804412 (MistInTS) remains running after unit stopped.
Jul 23 06:07:22 server systemd[1]: mistserver.service: Unit process 3804414 (MistInBuffer) remains running after unit stopped.
Jul 23 06:07:22 server systemd[1]: mistserver.service: Unit process 3804415 (MistInBuffer) remains running after unit stopped.
Jul 23 06:07:22 server systemd[1]: mistserver.service: Unit process 3804420 (MistInTS) remains running after unit stopped.
Jul 23 06:07:22 server systemd[1]: mistserver.service: Unit process 3804422 (MistInBuffer) remains running after unit stopped.
Jul 23 06:07:22 server systemd[1]: mistserver.service: Unit process 3804423 (MistInBuffer) remains running after unit stopped.
Jul 23 06:07:22 server systemd[1]: mistserver.service: Unit process 3804431 (MistInTS) remains running after unit stopped.
Jul 23 06:07:22 server systemd[1]: mistserver.service: Unit process 3804432 (MistInTS) remains running after unit stopped.
Jul 23 06:07:22 server systemd[1]: mistserver.service: Unit process 3804434 (MistInBuffer) remains running after unit stopped.
Jul 23 06:07:22 server systemd[1]: mistserver.service: Unit process 3804435 (MistInBuffer) remains running after unit stopped.
Jul 23 06:07:22 server systemd[1]: mistserver.service: Unit process 3850985 (MistInTS) remains running after unit stopped.
Jul 23 06:07:22 server systemd[1]: mistserver.service: Unit process 3850986 (MistInTS) remains running after unit stopped.
Jul 23 06:07:22 server systemd[1]: mistserver.service: Unit process 3850988 (MistInBuffer) remains running after unit stopped.
Jul 23 06:07:22 server systemd[1]: mistserver.service: Unit process 3850989 (MistInBuffer) remains running after unit stopped.
Jul 23 06:07:22 server systemd[1]: Stopped MistServer.

After restart a lof of such messages started to appear:

Jul 23 06:07:56 server MistController[3879038]: [2022-07-23 06:07:56] MistInTS:bf5002 (3879375) WARN: A pull process for this stream is already running
Jul 23 06:07:56 server MistController[3879038]: [2022-07-23 06:07:56] MistInTS:bf5002 (3879377) WARN: A pull process for this stream is already running
Jul 23 06:07:56 server MistController[3879038]: [2022-07-23 06:07:56] MistOutHTTPTS:bf5012 (3879251) FAIL: Input process (PID 3879346) shut down before stream coming online, aborting.
Jul 23 06:07:56 server MistController[3879038]: [2022-07-23 06:07:56] MistOutHTTPTS:bf5012 (3879251) FAIL: onFail 'bf5012': Stream open failed
Jul 23 06:07:56 server MistController[3879038]: [2022-07-23 06:07:56] MistOutHTTPTS:bf5012 (3879251) FAIL: onFail 'bf5012': Could not connect to stream
Jul 23 06:07:56 server MistController[3879038]: [2022-07-23 06:07:56] MistInTS:bf5012 (3879378) WARN: A pull process for this stream is already running
Jul 23 06:07:56 server MistController[3879038]: [2022-07-23 06:07:56] MistInTS:bf5002 (3879380) WARN: A pull process for this stream is already running
Jul 23 06:07:57 server MistController[3879038]: [2022-07-23 06:07:57] MistOutHTTPTS:bf5012 (3879306) FAIL: Input process (PID 3879352) shut down before stream coming online, aborting.
Jul 23 06:07:57 server MistController[3879038]: [2022-07-23 06:07:57] MistOutHTTPTS:bf5012 (3879306) FAIL: onFail 'bf5012': Stream open failed
Jul 23 06:07:57 server MistController[3879038]: [2022-07-23 06:07:57] MistOutHTTPTS:bf5012 (3879306) FAIL: onFail 'bf5012': Could not connect to stream
Jul 23 06:07:57 server MistController[3879038]: [2022-07-23 06:07:57] MistInTS:bf5012 (3879381) WARN: A pull process for this stream is already running

Only after 2nd restart they disappeared.