Home Java javaTutorial Under the Nacos Registration Center, how does OpenFeign implement cross-namespace microservice calls?

Under the Nacos Registration Center, how does OpenFeign implement cross-namespace microservice calls?

Apr 19, 2025 pm 10:54 PM
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Under the Nacos Registration Center, how does OpenFeign implement cross-namespace microservice calls?

OpenFeign implements cross-namespace microservice calls under the Nacos registry center

This article introduces how to use OpenFeign to implement microservice calls between different namespaces in the Nacos registry center environment. Many developers face the challenge of cross-namespace calls when using Nacos as a service registration and discovery center. OpenFeign itself does not support this feature directly, but we can solve this problem with specific configurations.

The key to implementing cross-namespace calls lies in the special format of the service address: <service-name>.<namespace-name> :<port></port></namespace-name></service-name> . For example, my-service.namespace-b:8080 means a service called my-service , located in namespace-b namespace, and listened on port 8080.

Configure the address of this format into Nacos as the RPC call address of OpenFeign. It should be noted that this method is only applicable to cluster internal calls . For external access, it is recommended to use an API gateway or load balancer for forwarding.

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