此消息说: 您需要在ApplicationContext中配置至少1个ServletWebServerFactory bean ，因此，如果您已经拥有spring-boot-starter-tomcat，则您需要自动配置该bean或手动进行.

This message says: You need to configure at least 1 ServletWebServerFactory bean in the ApplicationContext, so if you already have spring-boot-starter-tomcat you need to either autoconfigure that bean or to do it manually.

因此，在测试中，只有2个配置类可加载applicationContext，它们是= {WebsocketSourceConfiguration.class，WebSocketSourceIntegrationTests.class}，然后至少在这些类之一中，应该有一个@Bean方法返回实例所需的ServletWebServerFactory.

So, in the test there are only 2 configuration classes to load the applicationContext, these are = { WebsocketSourceConfiguration.class, WebSocketSourceIntegrationTests.class }, then at least in one of these classes there should be a @Bean method returning an instance of the desired ServletWebServerFactory.

*解决方案*

确保加载配置类中的所有bean

Make sure to load all the beans within your configuration class

WebsocketSourceConfiguration {
  @Bean 
  ServletWebServerFactory servletWebServerFactory(){
  return new TomcatServletWebServerFactory();
  }
}

OR还使AutoConfiguration能够对那些bean进行类路径扫描和自动配置.

OR also enable the AutoConfiguration to do a classpath scanning and auto-configuration of those beans.

@EnableAutoConfiguration
WebsocketSourceConfiguration

也可以在集成测试课程中完成.

Can be done also at the Integration Test class.

@EnableAutoConfiguration
WebSocketSourceIntegrationTests

有关更多信息，请参见 SpringBootTest 批注文档 https://docs .spring.io/spring-boot/docs/current/api/org/springframework/boot/test/context/SpringBootTest.html

For more information check the SpringBootTest annotation documentation https://docs.spring.io/spring-boot/docs/current/api/org/springframework/boot/test/context/SpringBootTest.html