HateoasConfiguration required a single bean, but 17 were found

错误长相：

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APPLICATION FAILED TO START
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Description:

Parameter 0 of method linkDiscoverers in org.springframework.hateoas.config.HateoasConfiguration required a single bean, but 17 were found:
...

此错误可现于 Swagger + HATEOAS 项目中。解决方法是添加 LinkDiscoverers 的 bean：

@Bean
public LinkDiscoverers discoverers() {
     List<LinkDiscoverer> plugins = new ArrayList<>();
     plugins.add(new CollectionJsonLinkDiscoverer());
     return new LinkDiscoverers(SimplePluginRegistry.create(plugins));
 }

原文