Eureka service always registers instances with host name even though i put "prefer-ip-address: true"

user_12774055 0
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I want to register my micro services in Eureka with the IP address instead of host name.

I have tried both prefer-ip-address and eureka.instance.preferIpAddress=true properties. None of those worked for me.

Here is my eureka service application .yml file.

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This is my Authorization-server micro-service application.yml

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But still eureka console showing my services registered with host name(localhost) instead of IP address

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I am using Spring boot 2.2.2 version and Spring cloud Hoxton.RELEASE. I am guessing the properties aren't working properly.

Is anyone experiencing the same problem?

netflix-eureka microservices spring-boot java
2 Answers

Finally i figured out where i can see preferIpAddress property changes. Hover your mouse to instance. Then in the bottom left corner you can see the IP.

Before applying property preferIpAddress = true

enter image description here

After applying property preferIpAddress = true

enter image description here

user_127740550

Well I am on mobile so do not see everything clearly but seems like a problem In declaration

Correct syntax is

 eureka.instance.preferIpAddress

Whereas you are using 

 eureka.instance.prefer-Ip-Address

See documentation: https://github.com/spring-cloud/spring-cloud-netflix/blob/a7398842078319dcaa353a708c12bb7b9fa85a4e/docs/src/main/asciidoc/spring-cloud-netflix.adoc#prefer-ip-address

eureka.instance.preferIpAddress=true will make instance register to Eureka server with IP address. You do not need to provide IP address in any configuration as that will be automatically picked up from system by the application.

In worst case scenario you can define specific IP address.

if you set either the eureka.instance.hostname or the eureka.instance.ipAddress those will always be used in the EurekaInstanceConfigBean so if those are not making it to the server in the registration we need to look at how it is used to build the InstanceInfo.

user_109153840
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