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Test set: com.itheima.frameworkmessage.FrameworkMessageApplicationTests
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Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 2.198 s <<< FAILURE! - in com.itheima.frameworkmessage.FrameworkMessageApplicationTests
contextLoads(com.itheima.frameworkmessage.FrameworkMessageApplicationTests)  Time elapsed: 0.002 s  <<< ERROR!
java.lang.IllegalStateException: Failed to load ApplicationContext
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'serverEndpointExporter' defined in com.itheima.FrameworkMessageApplication: Invocation of init method failed; nested exception is java.lang.IllegalStateException: javax.websocket.server.ServerContainer not available
Caused by: java.lang.IllegalStateException: javax.websocket.server.ServerContainer not available

