Spring Cloud

If a requested Microservice takes long time to respond, Zuul Api Gateway might timeout and a Gateway timeout error will take place. { “timestamp”: “2019-05-24T00:53:22.152+0000”, “status”: 504, “error”: “Gateway Timeout”, “message”: “com.netflix.zuul.exception.ZuulException: Hystrix Readed time out” } In this short blog post I am going to share with you how to make your Zuul Api…

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In this tutorial you will learn how to handle errors when using Hystrix Circuit breaker together with Feign client. To handle errors we will use Feign Hystrix FallbackFactory. For step-by-step video beginner lessons that demonstrate how to do Feign error handling and also how to build Microservices with Spring Boot and Spring Cloud, have a…

Read More Hystrix Circuit Breaker and Feign Error Handling

In this tutorial I am going to share with you how you can use Feign ErrorDecoder to handle errors that take place when using Feign client in Microservices communication. For step-by-step video beginner lessons that demonstrate how to do Feign error handling and also how to build Microservices with Spring Boot and Spring Cloud, have a…

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In this tutorial you will learn how to use Netflix Hystrix circuit breakers to enable your Microservices to gracefully handle situations when one of the Microservices becomes unavailable to handle a request during the inter-service communication. For step-by-step beginner video lessons that demonstrate how to use Hystrix Circuit Breaker and also how to build Microservices…

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In this tutorial I am going to share with you how to use Feign Client to send HTTP Request to another Microservice. For a step by step series of video lessons, please check this page: Spring Boot Microservices and Spring Cloud. Adding Feign to Your Project To use Feign Client in your Spring Boot application,…

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In this tutorial you will learn you how to use Asymmetric Encryption(RSA key pair) to encrypt sensitive information in configuration properties served by Spring Cloud Config Server.  Asymmetric Encryption is a stronger encryption type than symmetric encryption(shared key) but it requires just a little bit more effort to set up because we need to generate an encryption…

Read More Spring Cloud Config – Asymmetric Encryption and Decryption

In this tutorial you will learn how to encrypt and decrypt a property value which is being served by Spring Cloud Config Server. The Config Server can use a symmetric (shared) key or an asymmetric one (RSA key pair). In this tutorial we will use symmetric key. For Asymmetric Encryption read this tutorial: Spring Cloud Config…

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In this tutorial you will learn how to configure your Spring Cloud Config Server to use native file system as a backend. For a step by step series of video lessons, please check this page: Spring Boot Microservices and Spring Cloud. Create Spring Cloud Config Server To learn how to create your very first Spring Cloud…

Read More Spring Cloud Config Server – File System as a Backend

In this tutorial you will learn how to use Declarative REST Client Feign to make HTTP Requests RESTful Web Services. You can use Feign client to make HTTP Requests to a registered with Eureka Discovery Service Microservice or to an external RESTful Web Service. For a step by step series of video lessons, please check…

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In this short tutorial you will learn how to use SearchPaths to configure your Spring Cloud Config Server to discover properties files in a remote Git repository subdirectories. To learn how to configure Spring Cloud Config Server and also Spring Cloud Config Client please read this tutorial: Learn to use Spring Cloud Config Server and Spring…

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In this tutorial you will learn how to use Spring Cloud Bus to notify running Microservices about the changes in Spring Cloud Config property file. Running Microservices will be updated with new properties stored in Spring Cloud Config file without the need for you to restart them. These way you can update values in a…

Read More Spring Cloud Bus – Refreshing Config Changes

In this tutorial you will learn how to download, install and run Rabbit MQ on your computer. I am also going to show you how to change default Rabbit MQ Administrator password and how to create a new user. For a step by step series of video lessons, please check this page: Spring Boot Microservices…

Read More Rabbit MQ – Download, Install and Change Password

In this tutorial on Spring Cloud you will learn how to create your own Spring Cloud Config Server and also, how to configure a Spring Boot Application to be a Spring Cloud Config Client. Spring Cloud Config Server Spring Cloud Config Server is a Spring Boot application. So to create our own Spring Cloud Config…

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