Circuit breaker is a design pattern in modern software development. Circuit breaker is used to detect failures and encapsulates logic of preventing a failure to reoccur constantly (during maintenance, temporary external system failure or unexpected system difficulties).
Questions tagged [circuit-breaker]
385 questions
4
votes
1 answer
Istio circuit breaker not opening the circuit on consecutiveErrors when downstream service throws 5xx (500, 502, 503, 504) errors
I have a couple of microservices, customer-service and customer-rating-service. The first one invokes the latter.
I have placed a circuit breaker on invocations to customer-rating-service, and forced this service to always throw a 5xx error to…
codependent
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4
votes
1 answer
How to pass data from business method to fallback method while using spring-boot circuit breaker (Hystrix)?
In official https://spring.io/guides/gs/circuit-breaker/ manual there are
business method (readingList)
fallback method (reliable)
@HystrixCommand(fallbackMethod = "reliable")
public String readingList() {
URI uri =…
arminvanbuuren
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4
votes
0 answers
Configure Hystrix command per service method without using annotations
I have been exploring using Hystrix support in Spring Cloud Netflix for the service methods.
I see that there is a annotation based way of using @HystrixCommand with every service method and providing a fallback method in a attribute. I feel this…
juser
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4
votes
7 answers
Hystrix fallback method is not invoked
I'm trying hystrix fallback method.
On localhost:8082, customer-service is running which returns name of the customer.
If the customer-service is down, fallback method should invoke. But it is not happening.
Below is the code snippet.
Please…
prranay
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4
votes
1 answer
Stop Spring Cloud Stream @StreamListener from listening when target system is down
I have an application that gets messages from Kafka and calls a target system to update a legacy Oracle DB.
I want to enable a scenario where if the target system is down, to leave the messages on Kafka bus and not process them for a given period of…
odedia
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3
votes
1 answer
error handling with reactiveFeignClient and CircuitBreaker
we are using reactive feign client (com.playtika.reactivefeign:feign-reactor-spring-cloud-starter:3.2.0)
circuit breaker version : org.springframework.cloud:spring-cloud-starter-circuitbreaker-reactor-resilience4j:2.1.0
and spring boot application…
Chen Avraham
- 33
- 4
3
votes
1 answer
C# and Polly - How to Unwrap IAsyncPolicy to get to the ICircuitBreakerPolicy
I am setting up Polly policies with some variant of:
Policy
.Handle()
.AdvancedCircuitBreakerAsync(failureThreshold, samplingDuration, minimumThroughput, durationOfBreak )
.WrapAsync(Policy.TimeoutAsync(timeout,…
JALLRED
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3
votes
1 answer
How to get and set authorization token for calls when Circuit Breaker is enabled?
When I turn Circuit Breaker on I'm getting authentication problems from my services, because authorization token is not present in headers of request.
I found in the web that Circuit Breaker runs on secondary thread, that doesn't has spring security…
Bruno Freitas
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3
votes
1 answer
What is the difference between Circuit Breaker and Connection Timeout?
From my understanding, circuit breaker is a thing that can "disconnect" a connection when there is a issue (takes a long time than usual) when communicating to other service. Instead of always retrying to communicate with broken service, it will…
Shalahuddin Al-Ayyubbi
- 388
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3
votes
2 answers
Resilience4j Not Ignoring Exceptions
JobServiceImpl.java:
@CircuitBreaker(name = "jobsApiServiceGetAllJobs", fallbackMethod = "getAllJobsFallback")
public ResponseEntity getAllJobs() {
...
throw new ApiException();
}
public ResponseEntity…
Arshad Yusuf
- 519
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3
votes
2 answers
Resilience4j Circuit Breaker is not working
I am facing a issue with the circuit breaker implementation using Spring Cloud Resilience4j.
Following some tutorial, I have tried to add the necessary dependencies in the project.
Also, tried to add the configurations but, still the circuit is not…
sawsb123
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3
votes
1 answer
Polly CircuitBreaker - Dynamic Duration of Break
What's the correct way to modify the Duration Break on Polly?
I know in the documentation they mention implementing (PolicyRegistry).
Is there any example of this?
I was implementing Polly CircuitBreaker in one WinService.
Felipe Alves de Lima
- 33
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3
votes
1 answer
Cannot implicitly convert type 'Polly.CircuitBreaker.AsyncCircuitBreaker' to 'Polly.Policy'
I am trying to create a combined resilience strategy for my Rest clients and for this I have written the following :
private static Policy circuitBreakerPolicy = Policy
.Handle()
.CircuitBreakerAsync(3,…
Golide
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3
votes
0 answers
Spring boot Junit Test ResttemplateBuilder build method gives null point Exception
I am trying to cover the circuitBreaker fallback method from the below service class
@Component
public class UserService {
private static final String UNABLE_TO_CONNECT_TO_USER_SERVICE ="User service not available";
…
Pandit Biradar
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