【异常】
[2021-09-02 08:44:41.114] [ERROR] [web-container] [Exception starting filter [Tongweb WebSocket (JSR356) Filter]]
java.lang.ClassCastException: org.apache.tomcat.websocket.server.WsServerContainer cannot be cast to org.apache.tomcat.websocket.server.WsServerContainer
at com.tongweb.web.websocket.server.WsFilter.init(WsFilter.java:42)
at javax.servlet.GenericFilter.init(GenericFilter.java:61)
at com.tongweb.container.core.ApplicationFilterConfig.initFilter(ApplicationFilterConfig.java:270)
at com.tongweb.container.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:106)
at com.tongweb.container.core.StandardContext.filterStart(StandardContext.java:4528)
at com.tongweb.container.core.StandardContext.startInternal(StandardContext.java:5165)
at com.tongweb.container.util.LifecycleBase.start(LifecycleBase.java:183)
at com.tongweb.container.core.ContainerBase.addChildInternal(ContainerBase.java:717)
at com.tongweb.container.core.ContainerBase.addChild(ContainerBase.java:690)
at com.tongweb.container.core.StandardHost.addChild(StandardHost.java:705)
at com.tongweb.srv.enhance.core.tf.web.ExtendHostConfig.deployWAR(ExtendHostConfig.java:319)
at com.tongweb.container.startup.HostConfig$DeployWar.run(HostConfig.java:1848)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at com.tongweb.web.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
at java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:112)
at com.tongweb.container.startup.HostConfig.deployWARs(HostConfig.java:773)
at com.tongweb.srv.enhance.core.tf.web.ExtendHostConfig.deployAppsOnStartup(ExtendHostConfig.java:66)
at com.tongweb.srv.enhance.config.handler.HostHandler.handleDeployOnStartup(HostHandler.java:159)
at com.tongweb.srv.enhance.config.handler.HostHandler.handleEvent(HostHandler.java:142)
at com.tongweb.srv.enhance.config.manager.TongwebConfigManager.checkAfterBootup(TongwebConfigManager.java:81)
at com.tongweb.srv.enhance.config.ConfigCenter.afterBootup(ConfigCenter.java:80)
at com.tongweb.srv.enhance.boot.product.LiteTongweb.start(LiteTongweb.java:89)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at com.tongweb.srv.luncher.starter.SimpleBootStarter.start(SimpleBootStarter.java:56)
at com.tongweb.srv.luncher.starter.SimpleBootStarter.main(SimpleBootStarter.java:36)
Exception starting filter [Tongweb WebSocket (JSR356) Filter
原文：https://www.cnblogs.com/yisa/p/15221396.html