netflix-eureka | 易学教程

Spring 5 Functional Web Framework is not working with Eureka Client

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问题 Spring 5 Functional Web Framework is not working when I enable Microservice environment { Config-Server, Service-Registry(Eureka), Gateway(Zuul) } I've a Maven + Spring Boot(v. 2.0.0.M3) + Spring Cloud(v. Finchley.M2) + JDO (DataNucleus) + MySQL application with Annotation based Rest Controller as well as Web Functional based RouterFunction. When I run my application Without Eureka Client Dependency. Everything works fine, My Annotation based & Functional calls working smoothly.. <dependency>

Zuul not forwarding requests to other micro-services

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问题 I am using spring boot micro-services. I have configured eureka, zuul proxy and another microservice(account). If I am calling from account directly it is working fine. account and zuul server both showing on eureka. When I try to hit using zuul proxy it is getting status code 200OK but not getting any result Below is my configuration for zuul Zuul.yml server: port: 8076 eureka: client: registerWithEureka: true fetchRegistry: true serviceUrl: defaultZone: http://localhost:8078/eureka/

Spring Boot Zuul hateoas REST response has direct service links in resource

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问题 I have Zuul + Eureka + Spring Boot Service Endpoint + Hateoas response configuration. When I access the service through Zuul Gateway, the resource links in the response are direct links to the service endpoints, shouldn't they be the Gateway links? What am i missing here? Gateway Endpoint : http://localhost:8762/catalog/products/10001 Direct Service Endpoint : http://localhost:8100/products/10001 application.properties for Zuul spring.application.name=zuul-server eureka.client.service-url

auto execute a web service in falcon

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问题 I have a function which registers my web-services to spring-eureka discovery server but it automatically de-registers it. to solve this problem, I thought to make a function which will automatically execute in few seconds and register my service again and again. Please suggest what to do and if u have a better approach to encounter this problem that will be great. 回答1: We can make another program which will ping the health check URL of my web server. responsePythonAPI = requests.request("GET"

Eureka detect service status

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问题 Context We are using Spring Cloud Netflix with Eureka as the service discovery and Zuul for proxying the services and load balance them. The microservices are implemented using NodeJS and are registered at Eureka using the NPM module eureka-js-client and a custom layer in between that handles the configuration and stuff that is generic for all microservices. Problem The problem is that Eureka does not recognize if one service goes down. This is a problem as we are having a development

Eureka Server - list all registered instances

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问题 I have a Spring Boot application that is also a Eureka Server. I want to list all instances that have been registered to this Eureka Server. How do I do it? 回答1: Fetch the registry using EurekaServerContextHolder.getInstance().getServerContext().getRegistry() then use the registry to list all Applications PeerAwareInstanceRegistry registry = EurekaServerContextHolder.getInstance().getServerContext().getRegistry(); Applications applications = registry.getApplications(); applications

Zuul not forwarding requests to other micro-services

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I am using spring boot micro-services. I have configured eureka, zuul proxy and another microservice(account). If I am calling from account directly it is working fine. account and zuul server both showing on eureka. When I try to hit using zuul proxy it is getting status code 200OK but not getting any result Below is my configuration for zuul Zuul.yml server: port: 8076 eureka: client: registerWithEureka: true fetchRegistry: true serviceUrl: defaultZone: http://localhost:8078/eureka/ instance: hostname: localhost health-check-url-path: /actuator/health status-page-url-path: /actuator/info

Eureka Renews threshold & Renews (last min)

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问题 I have one Eureka Server A and two client instances of B(Client3) and C(Client4) I got logs from Eureka Server, which are as follows : 2018-01-25 12:56:27.828 INFO 7145 --- [nio-8765-exec-2] c.n.e.registry.AbstractInstanceRegistry : Registered instance CLIENT3/client3:bb488bb73fd313321e393915f746bfe5 with status UP (replication=false) 2018-01-25 12:56:28.417 INFO 7145 --- [nio-8765-exec-3] c.n.e.registry.AbstractInstanceRegistry : Registered instance CLIENT3/client3

Spring Zuul: Dynamically disable a route to a service

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问题 I'm trying to disable a Zuul route to a microservice registered with Eureka at runtime (I'm using spring boot). This is an example: localhost/hello localhost/world Those two are the registered microservices. I would like to disable the route to one of them at runtime without shutting it down. Is there a way to do this? Thank you, Nano 回答1: Alternatively to using Cloud Config, custom ZuulFilter can be used. Something like (partial implementation to show the concept): public class

Heroku load balancer vs Netflix zuul

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问题 According to this answer https://stackoverflow.com/a/41811770/2849613 I would like to get a little bit more information about best practices with microservices on Heroku. The question is which approach is better? Install every services as independent app, and use one of them as REST "proxy" (for example Netflix Eureka)? Or Create docker based approach with, for example Netflix Zuul as a load balancer? On my own I see already some pros and cons of both approaches: Pros : better scalability