javax.servlet.ServletException

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  • javax.servlet.ServletException: javax.websocket.DeploymentException: A parameter of type [interface javax.websocket.Session] was found on method[onOpen] of class [java.lang.reflect.Method] that did not have a @PathParam annotation at org.apache.tomcat.websocket.server.WsSci.onStartup(WsSci.java:146) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5444) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549) at java.util.concurrent.FutureTask.run(FutureTask.java:262) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:744) Caused by: javax.websocket.DeploymentException: A parameter of type [interface javax.websocket.Session] was found on method[onOpen] of class [java.lang.reflect.Method] that did not have a @PathParam annotation at org.apache.tomcat.websocket.pojo.PojoMethodMapping.getPathParams(PojoMethodMapping.java:233) at org.apache.tomcat.websocket.pojo.PojoMethodMapping.<init>(PojoMethodMapping.java:122) at org.apache.tomcat.websocket.server.WsServerContainer.addEndpoint(WsServerContainer.java:239) at org.apache.tomcat.websocket.server.WsSci.onStartup(WsSci.java:143) ... 8 more

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