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Questions tagged [feign]

Feign is a java to http client binder inspired by Retrofit, JAXRS-2.0, and WebSocket. Feign's first goal was reducing the complexity of binding Denominator uniformly to http apis regardless of restfulness.

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How to use matrixvariable in FeignClient api class?

I have one FeignClient class and I want to use MatrixVariable to pass parameters like below @FeignClient(value = "apiService", url = "${api.url}", configuration =ApiServiceConfiguration.class) public interface ApiServiceFeign { …
NIrav Modi
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Changing certificate on each outgoing call with Feign

I have a case were I need to have different certificates for each outgoing call I make with Netflix Feign. return Feign.builder() .requestInterceptor(new MarathonHeadersInterceptor()) .errorDecoder(new NetsErrorDecoder()) …
Trind
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Feign Client with Spring Cloud Brixton SR7

I am trying to use Feign Client with the new Spring Cloud version (Brixton.SR7) but I am having problems. Every time I try to make a REST call to a registered service in Eureka Server I got the exception: Servlet.service() for servlet…
Fernando Pillo
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Am I misusing rxJava by converting an observable into a blocking observable?

My API makes about 100 downstream calls, in pairs, to two separate services. All responses need to be aggregated, before I can return my response to the client. I use hystrix-feign to make the HTTP calls. I came up with what I believed was an…
Lukasz Krawiec
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How to automatically initizlize the 'dispatcherServlet' the moment after the web app started in the spring boot application?

I am working on feign client with hystrix in a spring boot application. I started a eureka server and register two providers. In the feign client application I added the hystrix support. And when I request the service first time, I got the hystrix…
leo
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query value contain `{aa%` cause feign returned http status code 400

I'm using feign in spring-cloud, I have got a problem. This is my feign client def. @FeignClient("food-service") public interface FoodService { @RequestMapping(value = {"/food"},method = {RequestMethod.GET}) List…
Dreampie
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Modify Feign log behavior for specific exceptions

I have a spring controller that returns a custom-made exception. However, I don't want that specific exception to cause a "Log.Error()" Unfortunately, Feign logs it that way automatically. Is there any way to change this behavior? Thanks.
DougieHauser
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bind feign target to guice

is there a way to bind a feign target to guice? My usecase case is as follows: I have a service, which can be either started in the same JVM or as a separate service. if the service is started in same JVM, then I will bind it using Guice. if the…
mihirg
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Feign Client (In Non Web environment) to a RepostoryRestResource with HAL - is not valid use case?

Recently while working with feign client in a spring boot application (which in my case is not a web app) I see that the client is not able to de-serialize the object correctly . As pointed to me by by a colleague - it turned out to be due to the…
naav
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Creating scalable solution without Futures?

Exploring the HTTP client binder Feign and I see that it does not support callback results (DeferredResults). How then would I handle creating a scalable endpoint for performing many time intensive tasks in parallel? Trying to avoid something like…
tgk
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Java annotation implementation logic

I want to know how Java generates annotation implementation like @Mapper and @FeignClient. Does It generates an implementation class in runtime? Thanks. Know how Java generates an implementation for an interface in runtime.
daniel-lopez
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How to resolve InvalidTypeIdException when using @FeignClient?

I have a Spring Boot Library package common-library, within it contains a DTO class, say OrderDTO [package- com.example.common.dto]. I have two microservices - Core & Notification service. In Core service I have Order class in package…
Ashish
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How to differentiate headers between two/multiple endpoints in a RequestInterceptor

Hello I'm new to Java and Springboot. I'm currently working with an API where before making a POST request, I would need to generate a Bearer token. In order to generate a Bearer token, I would need to pass in my basic auth credentials to the…
Sophie
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how to continue the program when there is exception while calling feign client api in java

public string prospect(List prospectRequest, String primaryClientId) { if(p2p(primaryClientId)=="Success") { for(ProspectRequest prospect : prospectRequest) { p2p(prospect.getId()); } // rest of…
Ashok Reddy
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can I use hystrix to call up a failed request again?

I have a feign client that sends one request to another microservice every 60 seconds. On this controller, I use the HystrixCommand annotation with a user configuration (just experimenting). I also have a fallback method in which I go into when the…
Arsen Dzhemaletdinov
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