[mythtv-users] Weird mythsocket error messages on master / fixes/31

[John Hoyt]

After staring at my backend's logs to try to verify that the recent mysql
connection drop didn't remerge, I found these interesting errors in my
backend log:

Jun  4 18:48:53 mythtv mythbackend: mythbackend[1396]: E
MythSocketThread(58) mythsocket.cpp:853 (ReadStringListReal)
MythSocket(5583a09eda00:58): Protocol error: (parse failed) 'OPTIONS ' is
not a valid size prefix. 215 bytes pending.

Jun  4 18:49:00 mythtv mythbackend: mythbackend[1396]: E
MythSocketThread(58) mythsocket.cpp:853 (ReadStringListReal)
MythSocket(5583a09e7510:58): Protocol error: (parse failed) 'TNMP#004' is
not a valid size prefix. 8 bytes pending.

Jun  4 18:49:05 mythtv mythbackend: mythbackend[1396]: E
MythSocketThread(58) mythsocket.cpp:853 (ReadStringListReal)
MythSocket(5583a09e7e80:58): Protocol error: (parse failed) '#003' is not a
valid size prefix. 3 bytes pending.

Jun  4 18:49:10 mythtv mythbackend: mythbackend[1396]: E
MythSocketThread(58) mythsocket.cpp:853 (ReadStringListReal)
MythSocket(5583a09e77f0:58): Protocol error: (parse failed) 'DmdT' is not a
valid size prefix. 15 bytes pending.

Jun  4 18:49:15 mythtv mythbackend: mythbackend[1396]: E
MythSocketThread(58) mythsocket.cpp:853 (ReadStringListReal)
MythSocket(5583a09f6f00:58): Protocol error: (parse failed) ':' is not a
valid size prefix. 52 bytes pending.

Jun  4 18:49:25 mythtv mythbackend: mythbackend[1396]: E
MythSocketThread(58) mythsocket.cpp:853 (ReadStringListReal)
MythSocket(5583a09e8740:58): Protocol error: (parse failed) '#001' is not a
valid size prefix. 167 bytes pending.

Jun  4 18:49:30 mythtv mythbackend: mythbackend[1396]: E
MythSocketThread(58) mythsocket.cpp:853 (ReadStringListReal)
MythSocket(5583a09f7e50:58): Protocol error: (parse failed) '' is not a
valid size prefix. 82 bytes pending.

Jun  4 18:49:35 mythtv mythbackend: mythbackend[1396]: E
MythSocketThread(58) mythsocket.cpp:853 (ReadStringListReal)
MythSocket(5583a09f77c0:58): Protocol error: (parse failed) '' is not a
valid size prefix. 10 bytes pending.

Jun  4 18:49:41 mythtv mythbackend: mythbackend[1396]: E
MythSocketThread(58) mythsocket.cpp:853 (ReadStringListReal)
MythSocket(5583a09f05c0:58): Protocol error: (parse failed) 'GIOP#001' is
not a valid size prefix. 40 bytes pending.

Any thoughts on what might be causing them?

I can trace the errors back to Oct 16 last year (could be sooner, but
that's where my archived logs end) - meaning I was experiencing the errors
on both fixes/31 before my upgrade to master (which occured March 6 2021).

~John
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