Have been having the same issue. RHEL8. raw. Upgraded yesterday from 2.4.0.p10 to p14. That seemed to help for a little.
Only 1 of the 3 nodes has this issue. It’s inconsistent in its appearance, seems to come back when lots of changes via the UI are made. And always with only the one host/node.
Have tried tweaking livestatus xinetd config on that host, no noticeable change.
Did add the status host setup, that seemed to fix things for a while.
I have found tons of errors on the central site earlier today, in the var/log/web.log file. See below. Note that I can generate those Err32: Broken Pipe failures in the web UI, and they don’t get logged; no idea what’s going on there.
Given the above and significant amounts of wcpgw, it seemed pertinent to restart the various apache daemons running. That does seem to have helped, but may be elements of wishful thinking.
2025-10-23 15:41:04,520 [40] [cmk.gui.wsgi.app 1074543] Request finalizing failed with an error while handling an error
Traceback (most recent call last):
File "/omd/sites/mon01/lib/python3.12/site-packages/flask/app.py", line 1473, in wsgi_app
response = self.full_dispatch_request()
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/omd/sites/mon01/lib/python3.12/site-packages/flask/app.py", line 883, in full_dispatch_request
return self.finalize_request(rv)
^^^^^^^^^^^^^^^^^^^^^^^^^
File "/omd/sites/mon01/lib/python3.12/site-packages/flask/app.py", line 902, in finalize_request
response = self.make_response(rv)
^^^^^^^^^^^^^^^^^^^^^^
File "/omd/sites/mon01/lib/python3.12/site-packages/flask/app.py", line 1198, in make_response
rv = self.response_class.force_type(
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/omd/sites/mon01/lib/python3.12/site-packages/werkzeug/wrappers/response.py", line 237, in force_type
response = Response(*run_wsgi_app(response, environ))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/omd/sites/mon01/lib/python3.12/site-packages/werkzeug/test.py", line 1264, in run_wsgi_app
app_rv = app(environ, start_response)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/omd/sites/mon01/lib/python3/cmk/gui/wsgi/applications/utils.py", line 48, in __call__
return self.wsgi_app(environ, start_response)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/omd/sites/mon01/lib/python3/cmk/gui/wsgi/middleware.py", line 60, in wsgi_app
return self.app(environ, start_response)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/omd/sites/mon01/lib/python3.12/contextlib.py", line 81, in inner
return func(*args, **kwds)
^^^^^^^^^^^^^^^^^^^
File "/omd/sites/mon01/lib/python3/cmk/gui/wsgi/applications/checkmk.py", line 172, in wsgi_app
with cmk.ccc.store.cleanup_locks(), sites.cleanup_connections():
^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/omd/sites/mon01/lib/python3.12/contextlib.py", line 144, in __exit__
next(self.gen)
File "/omd/sites/mon01/lib/python3/cmk/gui/sites.py", line 104, in cleanup_connections
disconnect()
File "/omd/sites/mon01/lib/python3/cmk/gui/sites.py", line 119, in disconnect
g.live.disconnect()
File "/omd/sites/mon01/lib/python3.12/site-packages/cmk/livestatus_client/__init__.py", line 1162, in disconnect
connected_site.connection.disconnect()
File "/omd/sites/mon01/lib/python3.12/site-packages/cmk/livestatus_client/__init__.py", line 670, in disconnect
self._close_socket()
File "/omd/sites/mon01/lib/python3.12/site-packages/cmk/livestatus_client/__init__.py", line 676, in _close_socket
self.socket = self.socket.unwrap()
^^^^^^^^^^^^^^^^^^^^
File "/omd/sites/mon01/lib/python3.12/ssl.py", line 1295, in unwrap
s = self._sslobj.shutdown()
^^^^^^^^^^^^^^^^^^^^^^^
BrokenPipeError: [Errno 32] Broken pipe
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/omd/sites/mon01/lib/python3.12/site-packages/flask/app.py", line 904, in finalize_request
response = self.process_response(response)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/omd/sites/mon01/lib/python3.12/site-packages/flask/app.py", line 1281, in process_response
response = self.ensure_sync(func)(response)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/omd/sites/mon01/lib/python3/cmk/gui/wsgi/blueprints/checkmk.py", line 53, in after_request
sites.disconnect()
File "/omd/sites/mon01/lib/python3/cmk/gui/sites.py", line 119, in disconnect
g.live.disconnect()
File "/omd/sites/mon01/lib/python3.12/site-packages/cmk/livestatus_client/__init__.py", line 1162, in disconnect
connected_site.connection.disconnect()
File "/omd/sites/mon01/lib/python3.12/site-packages/cmk/livestatus_client/__init__.py", line 670, in disconnect
self._close_socket()
File "/omd/sites/mon01/lib/python3.12/site-packages/cmk/livestatus_client/__init__.py", line 676, in _close_socket
self.socket = self.socket.unwrap()
^^^^^^^^^^^^^^^^^^^^
File "/omd/sites/mon01/lib/python3.12/ssl.py", line 1295, in unwrap
s = self._sslobj.shutdown()
^^^^^^^^^^^^^^^^^^^^^^^
BrokenPipeError: [Errno 32] Broken pipe