ClassCastException: org.apache.tomcat.websocket.server.WsServerContainer cannot be cast to javax.websocket.server.ServerContainer

 21:09:22.221 [MessageBroker-3] INFO  c.t.s.s.impl.StockNewsServiceImpl - [2017-12-16 21:09:22] execute fetch stock news, result = 0
 21:09:32.158 [MessageBroker-2] INFO  c.t.s.s.impl.StockNewsServiceImpl - [2017-12-16 21:09:32] execute fetch stock news, result = 0
 21:09:42.180 [MessageBroker-2] INFO  c.t.s.s.impl.StockNewsServiceImpl - [2017-12-16 21:09:42] execute fetch stock news, result = 0
 org.springframework.web.socket.sockjs.SockJsException: Uncaught failure in SockJS request, uri=http://localhost:8080/thinkvenus-websocket/482/g1y5fw42/websocket; nested exception is org.springframework.web.socket.sockjs.SockJsTransportFailureException: WebSocket handshake failure; nested exception is java.lang.ClassCastException: org.apache.tomcat.websocket.server.WsServerContainer cannot be cast to javax.websocket.server.ServerContainer
     at org.springframework.web.socket.sockjs.support.SockJsHttpRequestHandler.handleRequest(SockJsHttpRequestHandler.java:135)
     at org.springframework.web.servlet.mvc.HttpRequestHandlerAdapter.handle(HttpRequestHandlerAdapter.java:51)
     at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:967)
     at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901)
     at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
     at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:624)
     at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
     at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
     at org.springframework.web.servlet.resource.ResourceUrlEncodingFilter.doFilter(ResourceUrlEncodingFilter.java:59)
     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
     at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99)
     at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
     at org.springframework.web.filter.HttpPutFormContentFilter.doFilterInternal(HttpPutFormContentFilter.java:108)
     at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
     at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:81)
     at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
     at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197)
     at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
     at org.springframework.boot.web.support.ErrorPageFilter.doFilter(ErrorPageFilter.java:115)
     at org.springframework.boot.web.support.ErrorPageFilter.access$000(ErrorPageFilter.java:59)
     at org.springframework.boot.web.support.ErrorPageFilter$1.doFilterInternal(ErrorPageFilter.java:90)
 **********************异常开始**********************
     at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
     at org.springframework.boot.web.support.ErrorPageFilter.doFilter(ErrorPageFilter.java:108)
 **********************异常结束**********************

     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
     at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:218)
     at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:110)
     at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:506)
     at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)
     at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
     at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:962)
     at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
     at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:445)
     at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1115)
     at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:637)
     at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.doRun(AprEndpoint.java:2549)
     at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:2538)
     at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
     at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
     at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
     at java.lang.Thread.run(Thread.java:748)
 Caused by: org.springframework.web.socket.sockjs.SockJsTransportFailureException: WebSocket handshake failure; nested exception is java.lang.ClassCastException: org.apache.tomcat.websocket.server.WsServerContainer cannot be cast to javax.websocket.server.ServerContainer
     at org.springframework.web.socket.sockjs.transport.handler.WebSocketTransportHandler.handleRequest(WebSocketTransportHandler.java:127)
     at org.springframework.web.socket.sockjs.transport.TransportHandlingSockJsService.handleTransportRequest(TransportHandlingSockJsService.java:312)
     at org.springframework.web.socket.sockjs.support.AbstractSockJsService.handleRequest(AbstractSockJsService.java:433)
     at org.springframework.web.socket.sockjs.support.SockJsHttpRequestHandler.handleRequest(SockJsHttpRequestHandler.java:132)
     ... 55 more
 Caused by: java.lang.ClassCastException: org.apache.tomcat.websocket.server.WsServerContainer cannot be cast to javax.websocket.server.ServerContainer
     at org.springframework.web.socket.server.standard.AbstractStandardUpgradeStrategy.getContainer(AbstractStandardUpgradeStrategy.java:67)
     at org.springframework.web.socket.server.standard.TomcatRequestUpgradeStrategy.getContainer(TomcatRequestUpgradeStrategy.java:84)
     at org.springframework.web.socket.server.standard.TomcatRequestUpgradeStrategy.getContainer(TomcatRequestUpgradeStrategy.java:47)
     at org.springframework.web.socket.server.standard.AbstractStandardUpgradeStrategy.getSupportedExtensions(AbstractStandardUpgradeStrategy.java:88)
     at org.springframework.web.socket.server.support.AbstractHandshakeHandler.doHandshake(AbstractHandshakeHandler.java:272)
     at org.springframework.web.socket.sockjs.transport.handler.WebSocketTransportHandler.handleRequest(WebSocketTransportHandler.java:123)
     ... 58 more
 21:09:52.177 [MessageBroker-4] INFO  c.t.s.s.impl.StockNewsServiceImpl - [2017-12-16 21:09:52] execute fetch stock news, result = 0

在stackflow上看到的解决方案：

https://samebug.io/exceptions/173734/java.lang.ClassCastException/orgapachetomcatwebsocketserverwsservercontainer

https://stackoverflow.com/questions/28348686/tomcat-8-and-websocket

Maven:

<dependency>
    <groupId>javax.websocket</groupId>
    <artifactId>javax.websocket-api</artifactId>
    <version>1.0</version>
    <scope>provided</scope>
</dependency>

Gradle:

providedCompile("javax.websocket:javax.websocket-api:1.1")