由于网络关系，otter manager和node之间通过nginx转发通信，但是看来不支持nginx转发，求解，是不是需要配置四层转发才行（而不是七层转发）

flseospp 于 2023-02-04 发布在 Nginx

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报错信息如下：
2018-05-24 19:10:02.183 [/?action=channelAction&channelId=1&status=start&pageIndex=1&searchKey=&eventSubmitDoStatus=true] ERROR c.a.d.r.exchange.support.header.HeaderExchangeHandler - [DUBBO] Dubbo client can not supported string message: HTTP/1.1 400 Bad Request
Server: nginx/1.10.1
Date: Thu, 24 May 2018 11:10:06 GMT
Content-Type: text/html
Content-Length: 173
Connection: close

400 Bad Request

nginx/1.10.1 in channel: NettyChannel [channel=[id: 0x7a408c3b, /59.111.166.237:18621 :> /45.250.34.196:2088]], url: dubbo://45.250.34.196:2088/endpoint?acceptEvent.timeout=50000&client=netty&codec=dubbo&connections=30&heartbeat=60000&iothreads=4&lazy=true&send.reconnect=true&serialization=java&threads=50, dubbo version: 2.5.3, current host: 127.0.0.1 java.lang.Exception: Dubbo client can not supported string message: HTTP/1.1 400 Bad Request Server: nginx/1.10.1 Date: Thu, 24 May 2018 11:10:06 GMT Content-Type: text/html Content-Length: 173 Connection: close 400 Bad Request