In case of any problems it is worth to look into MqGateway logs. This page describes where to find logs.
Current log file
Current logs of MqGateway application can be found in
logs/application.log file. Path is relative from where MqGateway is started.
Log files are rolled every day at midnight. Logs from previous days can be found in files with named:
Log files older than 30 days are deleted automatically.