Jmeter ERROR o.a.j.v.b.g.TextGra

Jmeter ERROR o.a.j.v.b.g.TextGraphiteMetricsSender: Error writing to Graphite: Connection refused (Connection refused)

Backend Listener

当 Thread Group 中添加了 Backend Listener 时，会产生 ERROR o.a.j.v.b.g.TextGraphiteMetricsSender: Error writing to Graphite: Connection refused (Connection refused) 的错误。

Error writing to Graphite

应该缺少什么配置，所以才产生这样的错误。

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