Native tests fail when using @SpringBootTest with RANDOM_PORT or DEFINED_PORT

[rajadilipkolli]

After upgrading the project to spring boot 3.0.0-M5 and running native tests it is failing with below error. Expectation that it should work without any configuration

Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.boot.test.web.client.TestRestTemplateContextCustomizer$TestRestTemplateRegistrar': Runtime reflection is not supported for org.springframework.boot.test.web.client.TestRestTemplateContextCustomizer$TestRestTemplateRegistrar()

For more info about error logs

Sample to reproduce the issue

[wilkinsona]

Thanks, @rajadilipkolli. The problem appears to be due to @SpringBootTest with a non-mock web environment. As you're using MockMvc anyway, you could avoid the problem for now by using @SpringBootTest rather than @SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT).

[philwebb]

We'll use the simple if fix for now and raise a Framework issue to see if we can improve the situation later.