When a connection closes, attempts to send properly set the $response to undef, and set an error message. The callers to command() were not properly checking if the message was undef, and so warning were being generated.
This change should not effect any behavior. Its purpose is just to eliminate the warning messages.
When a connection closes, attempts to send properly set the
$responseto undef, and set an error message. The callers tocommand()were not properly checking if the message was undef, and so warning were being generated.This change should not effect any behavior. Its purpose is just to eliminate the warning messages.