ClassCastException: org.apache.tomcat.websocket.server.WsServerContainer cannot be cast to javax.websocket.server.ServerContainer
1 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 2 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 3 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 4 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 5 at org.springframework.web.socket.sockjs.support.SockJsHttpRequestHandler.handleRequest(SockJsHttpRequestHandler.java:135) 6 at org.springframework.web.servlet.mvc.HttpRequestHandlerAdapter.handle(HttpRequestHandlerAdapter.java:51) 7 at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:967) 8 at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901) 9 at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970) 10 at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861) 11 at javax.servlet.http.HttpServlet.service(HttpServlet.java:624) 12 at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846) 13 at javax.servlet.http.HttpServlet.service(HttpServlet.java:731) 14 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303) 15 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) 16 at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) 17 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) 18 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) 19 at org.springframework.web.servlet.resource.ResourceUrlEncodingFilter.doFilter(ResourceUrlEncodingFilter.java:59) 20 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) 21 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) 22 at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99) 23 at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) 24 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) 25 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) 26 at org.springframework.web.filter.HttpPutFormContentFilter.doFilterInternal(HttpPutFormContentFilter.java:108) 27 at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) 28 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) 29 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) 30 at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:81) 31 at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) 32 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) 33 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) 34 at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197) 35 at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) 36 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) 37 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) 38 at org.springframework.boot.web.support.ErrorPageFilter.doFilter(ErrorPageFilter.java:115) 39 at org.springframework.boot.web.support.ErrorPageFilter.access$000(ErrorPageFilter.java:59) 40 at org.springframework.boot.web.support.ErrorPageFilter$1.doFilterInternal(ErrorPageFilter.java:90) 41 **********************异常开始********************** 42 at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) 43 at org.springframework.boot.web.support.ErrorPageFilter.doFilter(ErrorPageFilter.java:108) 44 **********************异常结束********************** 45 46 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) 47 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) 48 at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:218) 49 at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:110) 50 at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:506) 51 at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169) 52 at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103) 53 at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:962) 54 at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116) 55 at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:445) 56 at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1115) 57 at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:637) 58 at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.doRun(AprEndpoint.java:2549) 59 at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:2538) 60 at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) 61 at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) 62 at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) 63 at java.lang.Thread.run(Thread.java:748) 64 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 65 at org.springframework.web.socket.sockjs.transport.handler.WebSocketTransportHandler.handleRequest(WebSocketTransportHandler.java:127) 66 at org.springframework.web.socket.sockjs.transport.TransportHandlingSockJsService.handleTransportRequest(TransportHandlingSockJsService.java:312) 67 at org.springframework.web.socket.sockjs.support.AbstractSockJsService.handleRequest(AbstractSockJsService.java:433) 68 at org.springframework.web.socket.sockjs.support.SockJsHttpRequestHandler.handleRequest(SockJsHttpRequestHandler.java:132) 69 ... 55 more 70 Caused by: java.lang.ClassCastException: org.apache.tomcat.websocket.server.WsServerContainer cannot be cast to javax.websocket.server.ServerContainer 71 at org.springframework.web.socket.server.standard.AbstractStandardUpgradeStrategy.getContainer(AbstractStandardUpgradeStrategy.java:67) 72 at org.springframework.web.socket.server.standard.TomcatRequestUpgradeStrategy.getContainer(TomcatRequestUpgradeStrategy.java:84) 73 at org.springframework.web.socket.server.standard.TomcatRequestUpgradeStrategy.getContainer(TomcatRequestUpgradeStrategy.java:47) 74 at org.springframework.web.socket.server.standard.AbstractStandardUpgradeStrategy.getSupportedExtensions(AbstractStandardUpgradeStrategy.java:88) 75 at org.springframework.web.socket.server.support.AbstractHandshakeHandler.doHandshake(AbstractHandshakeHandler.java:272) 76 at org.springframework.web.socket.sockjs.transport.handler.WebSocketTransportHandler.handleRequest(WebSocketTransportHandler.java:123) 77 ... 58 more 78 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://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")
