01/06/19 00:30:01,457 ERROR [@sync-executor-0] [StatisticsReporter            ] [] Unsuccessful sending statistics because of java.net.ConnectException: Connection refused (Connection refused) Size 2710
01/06/19 05:30:01,374 ERROR [@sync-executor-0] [StatisticsReporter            ] [] Unsuccessful sending statistics because of java.net.ConnectException: Connection refused (Connection refused) Size 2710
01/06/19 10:30:01,128 ERROR [@sync-executor-0] [StatisticsReporter            ] [] Unsuccessful sending statistics because of java.net.ConnectException: Connection refused (Connection refused) Size 2710
01/06/19 15:30:01,351 ERROR [@sync-executor-0] [StatisticsReporter            ] [] Unsuccessful sending statistics because of java.net.ConnectException: Connection refused (Connection refused) Size 2710
01/06/19 20:30:01,616 ERROR [@sync-executor-0] [StatisticsReporter            ] [] Unsuccessful sending statistics because of java.net.ConnectException: Connection refused (Connection refused) Size 2710