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Questions tagged [spring-webclient]

WebClient makes it possible to perform reactive non-blocking HTTP requests in Spring applications. Use this tag for any questions involving its usage.

992 questions
37
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3 answers

Spring boot Webclient's retrieve vs exchange

I have started using WebClient in my Spring boot project recently. Can somebody throw some light on the differences/usages between exchange and retrieve methods in WebClient. I understand that exchange returns Mono and retrieve…
Abdullah Khan
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34
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4 answers

Spring WebClient: How to stream large byte[] to file?

It seems like it the Spring RestTemplate isn't able to stream a response directly to file without buffering it all in memory. What is the proper to achieve this using the newer Spring 5 WebClient? WebClient client =…
Dave L.
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30
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4 answers

How to set multiple headers at once in Spring WebClient?

I was trying to set headers to my rest client but every time I have to write webclient.get().uri("blah-blah") .header("key1", "value1") .header("key2", "value2")... How can I set all headers at the same time using headers()…
Amit Kumar
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29
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2 answers

How to post request with spring boot web-client for Form data for content type application/x-www-form-urlencoded

How To use spring boot webclient for posting request with content type application/x-www-form-urlencoded sample curl request with content type `application/x-www-form-urlencoded' --header 'Content-Type: application/x-www-form-urlencoded'…
Niraj Sonawane
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27
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7 answers

spring webclient: retry with backoff on specific error

i'd like to retry the request 3 times after waiting 10sec when response is 5xx. but i don't see a method that I can use. On object WebClient.builder() .baseUrl("...").build().post() .retrieve().bodyToMono(...) i can…
piotrek
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24
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3 answers

Does the use of Spring Webflux's WebClient in a blocking application design cause a larger use of resources than RestTemplate

I am working on several spring-boot applications which have the traditional pattern of thread-per-request. We are using Spring-boot-webflux to acquire WebClient to perform our RESTful integration between the applications. Hence our application…
ODDminus1
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22
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2 answers

PrematureCloseException: Connection prematurely closed

im using Web-flux/Reactive and Webclient, running it on tomcat and spring-boot. Everything works fine. I read a lot about it. The problem seems to be that whenever you use webclient, you have to return or use the response, otherwise it will close…
Douglas Santos
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22
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3 answers

Adding a retry all requests of WebClient

we have a server to retrieve a OAUTH token, and the oauth token is added to each request via WebClient.filter method e.g webClient .mutate() .filter((request, next) -> tokenProvider.getBearerToken() …
Kevin Hussey
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20
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3 answers

Spring WebFlux 5.3.0 - WebClient.exchangeToMono()

I've just upgraded to Webflux 5.3.0, and noticed that WebClient.exchange() method is now deprecated (link) in favor of new methos .exchangeToMono() and .exchangeToFlux() I had this code: webClient .method(request.method) .uri(request.path) …
Larik Borts
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19
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5 answers

Proxy setting not working with Spring WebClient

My following WebClient is working fine with internet connection but not through our proxy connection. WebClient webClient = WebClient.builder() .baseUrl("https://targetsite.com") .build(); webClient.post() …
Krishna
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16
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3 answers

SpringBoot FeignClient vs WebClient

I want to consume a couple of rest services. Before, I used RestTemplate, but now I want to know The main differences between Spring Boot FeignClient and WebClient. When should they be used?
Tohid Makari
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16
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7 answers

WebClient - how to get request body?

I've started using WebClient and I'm adding logging of request/response using filter method: WebClient.builder() .baseUrl(properties.getEndpoint()) .filter((request, next) -> { // logging request.body() }) …
Marcin Szulc
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14
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2 answers

Spring WebClient set Bearer auth token in header

Following scenario: I have two Microservices A and B. Service A is a Bearer client that has an open api and receives requests from clients that have to be authorized by keycloak. Now I want to send an authorized Request from Service A to Service B,…
FishingIsLife
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14
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1 answer

Add query parameter in WebClient request

I am using Spring WebFlux where I am taking request and using same request to call another service. But I am not sure how to add query parameters. This is my code @RequestMapping(value= ["/ptta-service/**"]) suspend fun executeService(request:…
nicholasnet
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13
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2 answers

Looking for an alternative of retryWhen which is now Deprecated

I'm facing an issue with WebClient and reactor-extra. Indeed, I have the following method : public Employee getEmployee(String employeeId) { return webClient.get() .uri(FIND_EMPLOYEE_BY_ID_URL, employeeId) …
Pierre Jones
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