I am developing a spring boot microservice using web flux to perform some queries. And then I want to test the functionality of my controllers using WebClient, but I’m getting the exception below:

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I don’t understand what the problem is. Application starts successfully. Can anyone help me please to solve this problem

Here webclient configuration in app:
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And usage of it in app:
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Code of fallen test:
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Also i watch host on which port 8080 is listening and it was localhost