我目前正在 Google Kubernetes Engine 上运行 Ruby on Rails 应用程序并部署了 datadog，但在连接跟踪代理时遇到问题。
有任何想法吗？
E, [2020-07-22T01:13:54.773686 #6] ERROR -- ddtrace: [ddtrace] (/usr/local/bundle/gems/ddtrace-0.37.0/lib/ddtrace/transport/http/client.rb:35:in `rescue in send_request') Internal error during HTTP transport request. Cause: Failed to open TCP connection to 10.128.0.9:8126 (Connection refused - connect(2) for "10.128.0.9" port 8126) Location: /usr/local/lib/ruby/2.6.0/net/http.rb:949:in `rescue in block in connect'