I recently replaced the worn-out X86_64 machine that used to run LMS
with a Raspberry Pi 4B running Rasberry Pi OS and (usually) the latest
nightly of LMS 8.2.0. Setting everything up from scratch and not even
referring to the previous settings, I've had a lot of problems with the
AirPlay Bridge. Fortunately, in most cases I have been able to figure
out what I did wrong to cause the problems. This is one of the
exceptions.

Whenever the Pi reboots, the bridge starts up with LMS, but it never
finds its players (five in all). After LMS has been running a few
minutes, I can restart the bridge, and it will quickly connect with the
players. The following errors in the server log seem to occur while it
is successfully connecting with the players:


Code:
--------------------
    
  [21-01-29 07:29:31.9418] Slim::Utils::Misc::msg (1266) Warning: 
[07:29:31.9412] Use of uninitialized value in concatenation (.) or string at 
/var/lib/squeezeboxserver/cache/InstalledPlugins/Plugins/RaopBridge/HTML/EN/plugins/RaopBridge/settings/basic.html
 line 108.
  [21-01-29 07:29:31.9431] Slim::Utils::Misc::msg (1266) Warning: 
[07:29:31.9427] Use of uninitialized value in concatenation (.) or string at 
/var/lib/squeezeboxserver/cache/InstalledPlugins/Plugins/RaopBridge/HTML/EN/plugins/RaopBridge/settings/basic.html
 line 116.
  [21-01-29 07:29:31.9442] Slim::Utils::Misc::msg (1266) Warning: 
[07:29:31.9438] Use of uninitialized value in concatenation (.) or string at 
/var/lib/squeezeboxserver/cache/InstalledPlugins/Plugins/RaopBridge/HTML/EN/plugins/RaopBridge/settings/basic.html
 line 122.
  [21-01-29 07:29:31.9453] Slim::Utils::Misc::msg (1266) Warning: 
[07:29:31.9449] Use of uninitialized value in concatenation (.) or string at 
/var/lib/squeezeboxserver/cache/InstalledPlugins/Plugins/RaopBridge/HTML/EN/plugins/RaopBridge/settings/basic.html
 line 128.
  [21-01-29 07:29:31.9477] Slim::Utils::Misc::msg (1266) Warning: 
[07:29:31.9473] Use of uninitialized value in concatenation (.) or string at 
/var/lib/squeezeboxserver/cache/InstalledPlugins/Plugins/RaopBridge/HTML/EN/plugins/RaopBridge/settings/basic.html
 line 137.
  [21-01-29 07:29:31.9498] Slim::Utils::Misc::msg (1266) Warning: 
[07:29:31.9494] Use of uninitialized value in concatenation (.) or string at 
/var/lib/squeezeboxserver/cache/InstalledPlugins/Plugins/RaopBridge/HTML/EN/plugins/RaopBridge/settings/basic.html
 line 150.
  [21-01-29 07:29:31.9507] Slim::Utils::Misc::msg (1266) Warning: 
[07:29:31.9504] Use of uninitialized value in concatenation (.) or string at 
/var/lib/squeezeboxserver/cache/InstalledPlugins/Plugins/RaopBridge/HTML/EN/plugins/RaopBridge/settings/basic.html
 line 156.
  [21-01-29 07:29:31.9529] Slim::Utils::Misc::msg (1266) Warning: 
[07:29:31.9525] Use of uninitialized value in concatenation (.) or string at 
/var/lib/squeezeboxserver/cache/InstalledPlugins/Plugins/RaopBridge/HTML/EN/plugins/RaopBridge/settings/basic.html
 line 167.
  [21-01-29 07:29:31.9538] Slim::Utils::Misc::msg (1266) Warning: 
[07:29:31.9535] Use of uninitialized value in concatenation (.) or string at 
/var/lib/squeezeboxserver/cache/InstalledPlugins/Plugins/RaopBridge/HTML/EN/plugins/RaopBridge/settings/basic.html
 line 173.
  [21-01-29 07:29:31.9558] Slim::Utils::Misc::msg (1266) Warning: 
[07:29:31.9554] Use of uninitialized value in concatenation (.) or string at 
/var/lib/squeezeboxserver/cache/InstalledPlugins/Plugins/RaopBridge/HTML/EN/plugins/RaopBridge/settings/basic.html
 line 182.
--------------------


There are usually three iterations of that set of errors. I don't have
any reason to think it's related, but maybe I should mention that three
of the five speakers that I use with the bridge require encryption.

Without having any actual knowledge of the code involved, my uninformed
guess is that the bridge is starting up too early. If that is the
problem, is there anything I can do to delay its startup?



LMS 8 nightly; 3 Squeezelite players connected by powerline ethernet; 5
wireless players connected via Airplay Bridge; 1 SqueezeAmp player
no high-end or esoteric audio gear
1 Squeezebox Radio (upgraded UE Smart Radio) now mostly retired
------------------------------------------------------------------------
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View this thread: http://forums.slimdevices.com/showthread.php?t=105198

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