nginx配置nacos的grpc连接

报错信息：
java.util.concurrent.TimeoutException: Waited 3000 milliseconds (plus 501200 nanoseconds delay) for com.alibaba.nacos.shaded.io.grpc.stub.ClientCallsKaTeX parse error: Expected '}', got 'EOF' at end of input: ….ProtoLiteUtilsMessageMarshaller@5981f4a6, responseMarshaller=com.alibaba.nacos.shaded.io.grpc.protobuf.lite.ProtoLiteUtilsMessageMarshaller@63dfada0,schemaDescriptor=com.alibaba.nacos.api.grpc.auto.RequestGrpcMessageMarshaller@63dfada0, schemaDescriptor=com.alibaba.nacos.api.grpc.auto.RequestGrpcMessageMarshaller@63dfada0,schemaDescriptor=com.alibaba.nacos.api.grpc.auto.RequestGrpcRequestMethodDescriptorSupplier@6f231ced}}}}}]]
at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:508) ~[nacos-client-2.0.4.jar:na]
java.util.concurrent.ExecutionException: com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception
at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566) ~[nacos-client-2.0.4.jar:na]
at com.alibaba.nacos.shaded.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:445) ~[nacos-client-2.0.4.jar:na]

解决方案：

1、暴露 nacos 集群的端口偏移1000

例如：nacos默认端口8848，需要把9848（8848+1000）也暴露出来

注意：如果是docker集群部署还需要把 7848 端口也一起暴露出来。（7848 端口则用于节点选举来确定集群领袖 Leader）

2、修改 nginx.conf 的文件

http {# 负载均衡配置upstream lb-nocos{server 127.0.0.1:8845 weight=1;server 127.0.0.1:8847 weight=1;server 127.0.0.1:8849 weight=1;}# nacos服务配置server {listen       8848;server_name  localhost;location / {# 反向代理proxy_pass http://lb-nocos;}}
}# nacos的grpc协议配置
stream {# 负载均衡配置（TCP长连接配置）upstream lb-nocos-tcp{server 127.0.0.1:9845 weight=1;server 127.0.0.1:9847 weight=1;server 127.0.0.1:9849 weight=1;}server {listen 9848;proxy_pass lb-nocos-tcp;}
}

集群部署参考：https://blog.csdn.net/weixin_51311218/article/details/122617027

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