23/06/19 00:30:01,243 ERROR [@sync-executor-0] [StatisticsReporter            ] [] Unsuccessful sending statistics because of java.net.ConnectException: Connection refused (Connection refused) Size 2708
23/06/19 05:30:01,251 ERROR [@sync-executor-0] [StatisticsReporter            ] [] Unsuccessful sending statistics because of java.net.ConnectException: Connection refused (Connection refused) Size 2708
23/06/19 10:30:01,088 ERROR [@sync-executor-0] [StatisticsReporter            ] [] Unsuccessful sending statistics because of java.net.ConnectException: Connection refused (Connection refused) Size 2708
23/06/19 15:30:01,142 ERROR [@sync-executor-0] [StatisticsReporter            ] [] Unsuccessful sending statistics because of java.net.ConnectException: Connection refused (Connection refused) Size 2708
23/06/19 20:30:01,267 ERROR [@sync-executor-0] [StatisticsReporter            ] [] Unsuccessful sending statistics because of java.net.ConnectException: Connection refused (Connection refused) Size 2708