20/06/19 00:30:01,948 ERROR [@sync-executor-0] [StatisticsReporter            ] [] Unsuccessful sending statistics because of java.net.ConnectException: Connection refused (Connection refused) Size 2708
20/06/19 05:30:01,202 ERROR [@sync-executor-0] [StatisticsReporter            ] [] Unsuccessful sending statistics because of java.net.ConnectException: Connection refused (Connection refused) Size 2708
20/06/19 10:30:01,223 ERROR [@sync-executor-0] [StatisticsReporter            ] [] Unsuccessful sending statistics because of java.net.ConnectException: Connection refused (Connection refused) Size 2708
20/06/19 15:30:01,255 ERROR [@sync-executor-0] [StatisticsReporter            ] [] Unsuccessful sending statistics because of java.net.ConnectException: Connection refused (Connection refused) Size 2707
20/06/19 20:30:01,194 ERROR [@sync-executor-0] [StatisticsReporter            ] [] Unsuccessful sending statistics because of java.net.ConnectException: Connection refused (Connection refused) Size 2706