nginx: [emerg] duplicate upstream "test2" in /usr/local/nginx/conf/sites-enabled/test2.con

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使用/usr/local/nginx/sbin/nginx -t 检查nginx配置文件时报错：

nginx: [emerg] duplicate upstream "test2" in /usr/local/nginx/sites-enabled/test2.conf:1
nginx: configuration file /usr/local/nginx/conf/nginx.conf test failed

原因：有相同名称的upstream，可以grep查找一下

[root@test sites-enabled]# grep inner-upload *
test2.conf:upstream inner-upload {
test2.conf: proxy_pass http://test2;
test1.conf:upstream inner-upload {
test1.conf: proxy_pass http://test2;

解决方案：改下upstream名称，或者删除之前的upstream

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