'How to force Spring Boot to use Tomcat server in integration tests?

I use default Tomcat embedded container. However, in some of my tests I use Wiremock (using Jetty underneath). This makes my integration tests run against Jetty server, not Tomcat.

Is there any way to force Spring Boot to stick with Tomcat ?

javaspring-boot


Solution 1:[1]

With Spring Boot 2.3 the above solution hasn't worked for me.

Perhaps I have special circumstances with not having a SpringBootApplication in the main classes. I have only a SpringBootApplication in the test classes.

Anyhow this has worked for me:

@SpringBootApplication(exclude = org.springframework.boot.autoconfigure.web.embedded.EmbeddedWebServerFactoryCustomizerAutoConfiguration.class)
public class TestApplication {
}

Solution 2:[2]

with Spring Boot 2.5.10

@AutoConfigureBefore(ServletWebServerFactoryAutoConfiguration.class)

didn't work for me.

but as sven doring mentioned excluding EmbeddedWebServerFactoryCustomizerAutoConfiguration worked for me. it even worked for external tomcat

code is below

@SpringBootApplication(exclude = org.springframework.boot.autoconfigure.web.embedded.EmbeddedWebServerFactoryCustomizerAutoConfiguration.class)

Sources

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Source: Stack Overflow

Solution Source
Solution 1 Sven Döring
Solution 2

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