Setting error pages & overriding default configured beans about spring-boot HOT 2 CLOSED

I'm not sure whether to treat this as a bug or not (except the documentation is clearly wrong). The problem is that the port is set in an EmbeddedServletContainerCustomizer that is (necessarily) applied to your container factory after it is created.

There are (at least) 4 other ways of setting the server port default:

1. As you discovered in application.properties (or `.yml).
2. Define a bean of type ServerProperties and setting the defaults there
3. On the command line
4. In the default args (or Environment) when you create the SpringApplication

I would have hoped that defining a bean of type EmbeddedServletContainerCustomizer would do it, and maybe even your version (undecided on that), but neither does as of 0.5.0.M5. I'll have a think about both and get back to you.

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Thanks Dave! Makes sense. The ServerProperties route works with the current milestone (0.5.0.M5), so that will do for now :).

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