nginx错误日志有如下报错：
2021/06/21 14:24:47 [error] 12112#0: *7807990 connect() failed (111: Connection refused) while connecting to upstream, client: xx.xx.xx.xx, server: localhost, request: “GET /itms/cpe/cpe.listPage.action HTTP/1.1”, upstream: “https:// 2021/06/21 14:24:47 [err
阅读背景：
nginx报错：connect() failed (111: Connection refused) while connecting to upstream_weixin_41201316的博客
来源：互联网
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