解决Nacos集群搭建,Nginx负载均衡后服务注册失败

解决Nacos集群搭建,Nginx负载均衡后服务注册失败 2023-03-22 645

项目场景：

搭建Nacos集群后，使用Nginx实现对Nacos集群的负载均衡后，springboot服务通过Nginx方向代理注册进Nacos集群。

问题描述

启动多个nacos集群，通过Nginx反向代理，访问Nginx提供的端口可正常访问nacos首页。但使用springboot启动服务通过nginx提供端口进行服务注册，会发现报错，以下是错误信息。而单机启动nacos ，这可以注册的上去，由此可以判定是集群模式下会出现此问题。

2022-11-27 16:05:03.925 ERROR 14532 --- [  restartedMain] c.a.c.n.registry.NacosServiceRegistry    : nacos registry, nacos-payment-provider register failed...NacosRegistration{
          
   nacosDiscoveryProperties=NacosDiscoveryProperties{
          
   serverAddr=localhost:9527, endpoint=, namespace=, watchDelay=30000, logName=, service=nacos-payment-provider, weight=1.0, clusterName=DEFAULT, namingLoadCacheAtStart=false, metadata={
          
   preserved.register.source=SPRING_CLOUD}, registerEnabled=true, ip=192.168.155.1, networkInterface=, port=9001, secure=false, accessKey=, secretKey=}},

java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance after all servers([localhost:9527]) tried: failed to req API:localhost:9527/nacos/v1/ns/instance. code:400 msg: <html><body><h1>Whitelabel Error Page</h1><p>This application has no explicit mapping for /error, so you are seeing this as a fallback.</p><div id=created>Sun Nov 27 16:05:03 CST 2022</div><div>There was an unexpected error (type=Bad Request, status=400).</div><div>receive invalid redirect request from peer 192.168.155.1</div></body></html>
	at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464) ~[nacos-client-1.1.1.jar:na]
	at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386) ~[nacos-client-1.1.1.jar:na]
	at com.alibaba.nacos.client.naming.net.NamingProxy.registerService(NamingProxy.java:188) ~[nacos-client-1.1.1.jar:na]
	...........................