springboot整合websocket后运行测试类报错：javax.websocket.server.ServerContainer not available

最新推荐文章于 2025-08-20 18:33:52 发布

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本文介绍了如何通过在SpringBootTest注解中设置webEnvironment属性解决Spring Boot整合WebSocket时的测试类启动报错问题，详细解释了RANDOM_PORT、WEB_ENVIRONMENT_RANDOME_PORT等四个选项的作用，确保真实servlet环境和端口设置以支持WebSocket功能。

springboot整合websocket,测试类启动报错,

解决方式:在注解中加上webEnvironment参数,此参数的含义,参看官方文档

You can use the webEnvironment attribute of @SpringBootTest to further refine how your tests will run:

MOCK — Loads a WebApplicationContext and provides a mock servlet environment. Embedded servlet containers are not started when using this annotation. If servlet APIs are not on your classpath this mode will transparently fallback to creating a regular non-web ApplicationContext. Can be used in conjunction with @AutoConfigureMockMvc for MockMvc-based testing of your application.
RANDOM_PORT — Loads an ServletWebServerApplicationContext and provides a real servlet environment. Embedded servlet containers are started and listening on a random port.
DEFINED_PORT — Loads an ServletWebServerApplicationContext and provides a real servlet environment. Embedded servlet containers are started and listening on a defined port (i.e from your application.properties or on the default port 8080).
NONE — Loads an ApplicationContext using SpringApplication but does not provide any servlet environment (mock or otherwise).
有4个value可选,根据需要选择即可,其实就是给你的测试类配置了一个真实的servlet环境,并且给这个启动的嵌入式servlet容器一个端口进行监听;

如此就可以结果websocket无法获取的问题

@SpringBootTest(classes = XXX.class,webEnvironment = SpringBootTest.WebEnvironment.RANDOM_POR