解决javax.websocket.DeploymentException: The path [webSocket] is not valid.

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严重: Error during ServletContainerInitializer processing

javax.servlet.ServletException: javax.websocket.DeploymentException: The path [webSocket] is not valid.
at org.apache.tomcat.websocket.server.WsSci.onStartup(WsSci.java:146)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5623)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:899)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:875)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:652)
at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1260)
at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:2002)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Caused by: javax.websocket.DeploymentException: The path [webSocket] is not valid.
at org.apache.tomcat.websocket.server.UriTemplate.<init>(UriTemplate.java:48)
at org.apache.tomcat.websocket.server.WsServerContainer.addEndpoint(WsServerContainer.java:197)
at org.apache.tomcat.websocket.server.WsServerContainer.addEndpoint(WsServerContainer.java:281)
at org.apache.tomcat.websocket.server.WsSci.onStartup(WsSci.java:143)

... 12 more

出现上述错误的原因，是因为我写成了：@ServerEndpoint("webSocket")，括号内少写了一个“/” ，导致路径错误

改写成@ServerEndpoint("/webSocket")，问题就解决了