spring-projects / spring-projects/spring-modulith

OpenFeign in another module

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Description

id("org.springframework.boot") version "3.5.7"
id("io.spring.dependency-management") version "1.1.7"

extra["springCloudVersion"] = "2025.0.0"
extra["springModulithVersion"] = "1.4.3"

When a project has an OpenFeign in it (implementation("org.springframework.cloud:spring-cloud-starter-openfeign")) and a feign client is in some module, other than a testing one, then when one does a module test (@ApplicationModuleTest), then the test fails with an exception:

Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.cloud.openfeign.aot.FeignClientBeanFactoryInitializationAotProcessor]: Factory method 'feignClientBeanFactoryInitializationCodeGenerator' threw exception with message: No bean named 'some.package.SmsCenter' available
	at app//org.springframework.beans.factory.support.SimpleInstantiationStrategy.lambda$instantiate$0(SimpleInstantiationStrategy.java:200)
	at app//org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiateWithFactoryMethod(SimpleInstantiationStrategy.java:89)
	at app//org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:169)
	at app//org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:653)
	... 31 more

But if it (the module, containing the feign interface) is added to the test scope (@ApplicationModuleTest(extraIncludes = ["sms"])), then the test passes.

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Research direction

Reproduce the failure with Spring Boot 3.5.7, Spring Cloud 2025.0.0, OpenFeign, and an @ApplicationModuleTest whose Feign client is in another module. Compare the failing test with @ApplicationModuleTest(extraIncludes = ["sms"]); done means the module test passes without requiring the Feign module to be added explicitly.

Written by the indexing model from the issue text.

Assessment

Tech stack
java, spring-boot
Domain
backend, testing
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
35/100

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