feign-eureka

Example of using feign with eureka

Assumes eureka (from spring-cloud-samples) is running on http://localhost:8761

building

mvnw package

hello server

run java -jar server/target/feign-eureka-hello-server-0.0.1-SNAPSHOT.jar

verify it is functioning at http://localhost:7111

You should see Hello World: HelloServer:myhostname:7111

hello client

run java -jar client/target/feign-eureka-hello-client-0.0.1-SNAPSHOT.jar

verify it is functioning at http://localhost:7211

You should see Hello World: HelloServer:myhostname:7111

hellow client error

You may see an error while the eureka/ribbon caches warm up similar to the following:

Whitelabel Error Page

This application has no explicit mapping for /error, so you are seeing this as a fallback.

Wed Jan 07 13:13:39 MST 2015
There was an unexpected error (type=Internal Server Error, status=500).
com.netflix.client.ClientException: Load balancer does not have available server for client: HelloServer

It should go away shortly.

See round robin load balancing in action

run java -jar server/target/feign-eureka-hello-server-0.0.1-SNAPSHOT.jar --server.port=7112

Go back to http://localhost:7211 and you should see both ports 7111 and 7112 in the output after a minute or two as you keep refreshing.