Logstash 检查连接的客户端

Logstash check connected clients

我有一个由 filebeat 和 logstash 组成的日志转发管道。不知何故,他们最近停止了合作。如何检查 Filebeat 是否正确连接到 Logstash?

检查您的 Filebeat 日志文件,默认位置:/var/log/filebeat/filebeat

错误示例:

ERR Failed to publish events Connecting error publishing events (retrying): dial tcp x.x.x.x:5044: getsockopt: connection refused

额外: Troubleshooting Filebeat and Logstash