filebeat启动报错

filebeat启动报错：我远程服务器的logstash是正常运行状态，服务器的防火墙也是关闭状态，不知道怎么解决这个错误，希望有大神相助
2018-04-17T17:35:34.864+0800 INFO crawler/crawler.go:82 Loading and starting Prospectors completed. Enabled prospectors: 1
2018-04-17T17:35:34.865+0800 INFO log/harvester.go:216 Harvester started for file: /home/appuser/app/resin-scrm-admin/log/app-access.log
2018-04-17T17:35:34.866+0800 INFO log/harvester.go:216 Harvester started for file: /home/appuser/app/resin-scrm-admin/log/app-access-20180321_23:59.log
2018-04-17T17:35:34.866+0800 INFO log/harvester.go:216 Harvester started for file: /home/appuser/app/resin-scrm-admin/log/app-access-20180330_23:59.log
2018-04-17T17:35:34.866+0800 INFO log/harvester.go:216 Harvester started for file: /home/appuser/app/resin-scrm-admin/log/app-access-20180402_23:59.log
2018-04-17T17:35:34.887+0800 INFO log/harvester.go:216 Harvester started for file: /home/appuser/app/resin-scrm-admin/log/app-access-20180403_23:59.log
2018-04-17T17:35:34.887+0800 INFO log/harvester.go:216 Harvester started for file: /home/appuser/app/resin-scrm-admin/log/app-access-20180408_23:59.log
2018-04-17T17:35:34.890+0800 INFO log/harvester.go:216 Harvester started for file: /home/appuser/app/resin-scrm-admin/log/app-access-20180412_23:59.log
2018-04-17T17:35:34.895+0800 INFO log/harvester.go:216 Harvester started for file: /home/appuser/app/resin-scrm-admin/log/app-access-20180413_23:59.log
2018-04-17T17:35:35.941+0800 ERROR pipeline/output.go:74 Failed to connect: dial tcp 115.47.153.99:5044: getsockopt: connection refused
2018-04-17T17:35:37.942+0800 ERROR pipeline/output.go:74 Failed to connect: dial tcp 115.47.153.99:5044: getsockopt: connection refused