WeeWX updated - Restart of Service failed

[Uwe S.]

Morning everyone,

i have updated my WeeWX installation (Installed on Debian Bookworm in a Proxmox container) using the apt-update command.

But the service can't be started anymore, it throws this error which i am unable so solve with my limited Python skills:

Feb 11 09:16:20 WeeWX weewxd[5800]: CRITICAL __main__: Caught unrecoverable exception:
Feb 11 09:16:20 WeeWX weewxd[5800]: CRITICAL __main__:     ****  module 'weeutil.weeutil' has no attribute 'log_traceback'
Feb 11 09:16:20 WeeWX weewxd[5800]: CRITICAL __main__:     ****  Traceback (most recent call last):
Feb 11 09:16:20 WeeWX weewxd[5800]: CRITICAL __main__:     ****    File "/etc/weewx/bin/user/crt.py", line 550, in handle_data
Feb 11 09:16:20 WeeWX weewxd[5800]: CRITICAL __main__:     ****      self.write_data(self.realtime_txt,
Feb 11 09:16:20 WeeWX weewxd[5800]: CRITICAL __main__:     ****    File "/etc/weewx/bin/user/crt.py", line 567, in write_data
Feb 11 09:16:20 WeeWX weewxd[5800]: CRITICAL __main__:     ****      with open(filename, 'w') as f:
Feb 11 09:16:20 WeeWX weewxd[5800]: CRITICAL __main__:     ****           ^^^^^^^^^^^^^^^^^^^
Feb 11 09:16:20 WeeWX weewxd[5800]: CRITICAL __main__:     ****  PermissionError: [Errno 13] Permission denied: '/var/tmp/realtime.txt'
Feb 11 09:16:20 WeeWX weewxd[5800]: CRITICAL __main__:     ****
Feb 11 09:16:20 WeeWX weewxd[5800]: CRITICAL __main__:     ****  During handling of the above exception, another exception occurred:
Feb 11 09:16:20 WeeWX weewxd[5800]: CRITICAL __main__:     ****
Feb 11 09:16:20 WeeWX weewxd[5800]: CRITICAL __main__:     ****  Traceback (most recent call last):
Feb 11 09:16:20 WeeWX weewxd[5800]: CRITICAL __main__:     ****    File "/usr/share/weewx/weewxd.py", line 166, in main
Feb 11 09:16:20 WeeWX weewxd[5800]: CRITICAL __main__:     ****      engine.run()
Feb 11 09:16:20 WeeWX weewxd[5800]: CRITICAL __main__:     ****    File "/usr/share/weewx/weewx/engine.py", line 206, in run
Feb 11 09:16:20 WeeWX weewxd[5800]: CRITICAL __main__:     ****      self.dispatchEvent(weewx.Event(weewx.NEW_LOOP_PACKET, packet=packet))
Feb 11 09:16:20 WeeWX weewxd[5800]: CRITICAL __main__:     ****    File "/usr/share/weewx/weewx/engine.py", line 241, in dispatchEvent
Feb 11 09:16:20 WeeWX weewxd[5800]: Traceback (most recent call last):
Feb 11 09:16:20 WeeWX weewxd[5800]:   File "/etc/weewx/bin/user/crt.py", line 550, in handle_data
Feb 11 09:16:20 WeeWX weewxd[5800]: CRITICAL __main__:     ****      callback(event)
Feb 11 09:16:20 WeeWX weewxd[5800]:     self.write_data(self.realtime_txt,
Feb 11 09:16:20 WeeWX weewxd[5800]:   File "/etc/weewx/bin/user/crt.py", line 567, in write_data
Feb 11 09:16:20 WeeWX weewxd[5800]: CRITICAL __main__:     ****    File "/etc/weewx/bin/user/crt.py", line 540, in handle_new_loop
Feb 11 09:16:20 WeeWX weewxd[5800]: CRITICAL __main__:     ****      self.handle_data(event.packet)
Feb 11 09:16:20 WeeWX weewxd[5800]:     with open(filename, 'w') as f:
Feb 11 09:16:20 WeeWX weewxd[5800]:          ^^^^^^^^^^^^^^^^^^^
Feb 11 09:16:20 WeeWX weewxd[5800]: PermissionError: [Errno 13] Permission denied: '/var/tmp/realtime.txt'
Feb 11 09:16:20 WeeWX weewxd[5800]: During handling of the above exception, another exception occurred:
Feb 11 09:16:20 WeeWX weewxd[5800]: Traceback (most recent call last):
Feb 11 09:16:20 WeeWX weewxd[5800]:   File "/usr/share/weewx/weewxd.py", line 265, in <module>
Feb 11 09:16:20 WeeWX weewxd[5800]: CRITICAL __main__:     ****    File "/etc/weewx/bin/user/crt.py", line 563, in handle_data
Feb 11 09:16:20 WeeWX weewxd[5800]:     main()
Feb 11 09:16:20 WeeWX weewxd[5800]:   File "/usr/share/weewx/weewxd.py", line 166, in main
Feb 11 09:16:20 WeeWX weewxd[5800]:     engine.run()
Feb 11 09:16:20 WeeWX weewxd[5800]:   File "/usr/share/weewx/weewx/engine.py", line 206, in run
Feb 11 09:16:20 WeeWX weewxd[5800]:     self.dispatchEvent(weewx.Event(weewx.NEW_LOOP_PACKET, packet=packet))
Feb 11 09:16:20 WeeWX weewxd[5800]: CRITICAL __main__:     ****      weeutil.weeutil.log_traceback('crt: **** ')
Feb 11 09:16:20 WeeWX weewxd[5800]:   File "/usr/share/weewx/weewx/engine.py", line 241, in dispatchEvent
Feb 11 09:16:20 WeeWX weewxd[5800]:     callback(event)
Feb 11 09:16:20 WeeWX weewxd[5800]:   File "/etc/weewx/bin/user/crt.py", line 540, in handle_new_loop
Feb 11 09:16:20 WeeWX weewxd[5800]: CRITICAL __main__:     ****      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Feb 11 09:16:20 WeeWX weewxd[5800]:     self.handle_data(event.packet)
Feb 11 09:16:20 WeeWX weewxd[5800]:   File "/etc/weewx/bin/user/crt.py", line 563, in handle_data
Feb 11 09:16:20 WeeWX weewxd[5800]: CRITICAL __main__:     ****  AttributeError: module 'weeutil.weeutil' has no attribute 'log_traceback'
Feb 11 09:16:20 WeeWX weewxd[5800]:     weeutil.weeutil.log_traceback('crt: **** ')
Feb 11 09:16:20 WeeWX weewxd[5800]:     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Feb 11 09:16:20 WeeWX weewxd[5800]: AttributeError: module 'weeutil.weeutil' has no attribute 'log_traceback'
Feb 11 09:16:20 WeeWX weewxd[5800]: CRITICAL __main__:     ****  Exiting.
Feb 11 09:16:20 WeeWX systemd[1]: weewx.service: Main process exited, code=exited, status=1/FAILURE

Any help would be much appreciated.

Thanks

[Uwe S.]

Answering myself, as it was easier than i thought.

The instance wasn't able to access the files in /var/tmp which worked before the update.

Changed the ownership and the system was running again.

[Tom Keffer]

Glad that worked out, but you've uncovered another problem: the error handler for crt calls a non-existent function. 

I've created issue #11 to track, but it's likely to be a very long time before anyone gets around to it!

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[matthew wall]

On Sunday, February 11, 2024 at 8:27:23 AM UTC-5 tke...@gmail.com wrote:

Glad that worked out, but you've uncovered another problem: the error handler for crt calls a non-existent function. 

I've created issue #11 to track, but it's likely to be a very long time before anyone gets around to it!

thanks tom.  fix is available in weewx-crt 0.23

a robust, future-proof fix for the /var/tmp permissions will take a bit more thought.  meanwhile, if anyone sees a permission failure from weewx-crt, or wonders why weewx-crt does not update the realtime file, just delete the previous realtime.txt (or other output file).