[mythtv-users] mythweb on raspberry PI 4 backend failing

[James Abernathy]

I just did a fresh install of mythtv with a backend on a RPI 4 4GB using
Mike B's pi-utils.  This usually works fine.  However today, after I got
the backend working, I tried to use mythweb and got an error I have not
received before:
Bad Request
Your browser sent a request that this server could not understand.
Size of a request header field exceeds server limit.

If I look in the mythbackend log file I see this:

Oct 13 11:48:24 rpi4-mythtv mythbackend: mythbackend[702]: E
WebSocketServer52 websocket.cpp:432 (ProcessHandshake)
WebSocketWorker::ProcessHandshake() - Missing or invalid
'sec-websocket-key' header
Oct 13 11:48:34 rpi4-mythtv mythbackend: mythbackend[702]: E
WebSocketServer47 websocket.cpp:675 (HandleDataFrame) WebSocketWorker -
Message is not valid UTF-8
Oct 13 11:48:44 rpi4-mythtv mythbackend: mythbackend[702]: E
WebSocketServer37 websocket.cpp:432 (ProcessHandshake)
WebSocketWorker::ProcessHandshake() - Missing or invalid
'sec-websocket-key' header
Oct 13 11:48:54 rpi4-mythtv mythbackend: mythbackend[702]: E
WebSocketServer47 websocket.cpp:432 (ProcessHandshake)
WebSocketWorker::ProcessHandshake() - Missing or invalid
'sec-websocket-key' header
Oct 13 11:49:04 rpi4-mythtv mythbackend: mythbackend[702]: E
WebSocketServer47 websocket.cpp:432 (ProcessHandshake)
WebSocketWorker::ProcessHandshake() - Missing or invalid
'sec-websocket-key' header
Oct 13 11:50:37 rpi4-mythtv mythbackend: mythbackend[702]: N Expire
autoexpire.cpp:244 (CalcParams) AutoExpire: CalcParams(): Max required Free
Space: 1.0 GB w/freq: 15 min

If I use webfrontend it works fine
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