Execute (3): communication with server [mtc-m21c.sid.inpe.br 806] doesn't start (using async value 0) while trying to execute the command:
GetOptimizedListOfSites sid.inpe.br/mtc-m21c/2021/02.08.15.34 urlib.net/www/2017/11.22.19.04.03 @q&WWtY!Y
errorInfo:
--StartCommunication: communication with server [mtc-m21c.sid.inpe.br 806] doesn't start:
--couldn't open socket: connection refused
    while executing
"socket $host $port"--

    invoked from within
"StartCommunication $serverName $urlibPort $async2 $encodingName"--