Configuration that fails to override

ResourceConfig

@Configuration
@PropertySources({
		@PropertySource(value = {"classpath:myapp.properties", "classpath:hibernate.properties"}), 
		@PropertySource(value = {"file:${server.properties}"}, ignoreResourceNotFound = true)
})
public class ResourceConfig {
	
	@Value("${hibernate.show_sql}")
	private String properties;
	
	@Bean
	public static PropertySourcesPlaceholderConfigurer properties() {
		return new PropertySourcesPlaceholderConfigurer();
	}
	
	public String getProperties() {
		return properties;
	}
}