【问题原因】代理配置问题
【解决办法】修改代理配置如下:
location / {
#root html;
#index index.html index.htm;
proxy_pass http://172.16.15.155:8090;
proxy_set_body $request_body;
proxy_set_header Accept-Encoding "";
proxy_set_header Host $host:18090;
sub_filter_once off;
sub_filter_types *;
sub_filter 'http://172.16.15.155:8090/iserver' 'http://172.16.15.155:18090/iserver';
}