Hello guys,
we've just upgraded our 4 check_mk sites from 1.6.0p27.cee to
2.0.0p26.cee and 3 of them are working just fine. Just one is having
trouble with the web interface. When opening the site retuns an Internal
Server Error:
Internal Server Error
The server encountered an internal error or misconfiguration and was
unable to complete your request.
Please contact the server administrator at nobody@localhost to inform
them of the time this error occurred, and the actions you performed just
before this error.
Additionally, a 500 Internal Server Error error was encountered while
trying to use an ErrorDocument to handle the request.
More information about this error may be available in the server error log.
In the sites var/log/apache/error_log the following error occurs:
[wsgi:error] mod_wsgi (pid=2366): Exception occurred processing WSGI
script '/omd/sites/krenn/share/check_mk/web/app/index.wsgi'.
[wsgi:error] Traceback (most recent call last):
[wsgi:error] File
"/omd/sites/krenn/lib/python3/cmk/gui/wsgi/profiling.py", line 71, in
__call__
[wsgi:error] return app(environ, start_response)
[wsgi:error] File
"/omd/sites/krenn/lib/python3/cmk/gui/wsgi/middleware.py", line 39, in
__call__
[wsgi:error] response = self.app(environ, start_response)
[wsgi:error] File
"/omd/sites/krenn/lib/python3/cmk/gui/wsgi/middleware.py", line 55, in
_add_apache_env
[wsgi:error] return app(environ, start_response)
[wsgi:error] File
"/omd/sites/krenn/lib/python3/cmk/gui/wsgi/routing.py", line 63, in router
[wsgi:error] return endpoint(environ, start_response)
[wsgi:error] File
"/omd/sites/krenn/lib/python3/werkzeug/middleware/proxy_fix.py", line
187, in __call__
[wsgi:error] return self.app(environ, start_response)
[wsgi:error] File
"/omd/sites/krenn/lib/python3/cmk/gui/wsgi/applications/checkmk.py",
line 142, in __call__
[wsgi:error] html_obj=htmllib.html(req),
[wsgi:error] File "/omd/sites/krenn/lib/python3/cmk/gui/htmllib.py",
line 1045, in __init__
[wsgi:error] self.enable_request_timeout()
[wsgi:error] File "/omd/sites/krenn/lib/python3/cmk/gui/htmllib.py",
line 1313, in enable_request_timeout
[wsgi:error]
self.timeout_manager.enable_timeout(self.request.request_timeout)
[wsgi:error] File
"/omd/sites/krenn/lib/python3/cmk/gui/utils/timeout_manager.py", line
41, in enable_timeout
[wsgi:error] signal.signal(signal.SIGALRM, handle_request_timeout)
[wsgi:error] File "/omd/sites/krenn/lib/python3.8/signal.py", line 47,
in signal
[wsgi:error] handler = _signal.signal(_enum_to_int(signalnum),
_enum_to_int(handler))
[wsgi:error] ValueError: signal only works in main thread
System information (for every host):
* Debian 10
* similar packages across all hosts
* disabled all MKPs
Any advice or help is greatly appreciated, we've been trying all day
comparing configs with the working sites but can't find the problem.
Thanks in advance!
--
Best regards,
Michael Reiners
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