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@SpringBootConfiguration
public class TestConfiguration {
	
	@Bean
	public EmbeddedServletContainerCustomizer containerCustomizer() {
		return new EmbeddedServletContainerCustomizer() {
			@Override
			public void customize(ConfigurableEmbeddedServletContainer container) {
				
				ErrorPage error404 = new ErrorPage(HttpStatus.NOT_FOUND, "/server404.html");
				
				ErrorPage errorExcep = new ErrorPage(Exception.class, "/serverError.html");
				
				container.addErrorPages(error404,errorExcep);
			}
		};
	}
	
}