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

  1. 0

    Tomcat 7.0.50 fails to inialize due to websocket deployment exception

    Stack Overflow | 3 years ago | Shailesh Vaishampayan
    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
  2. 0

    Multiple Endpoints may not be deployed to using the same path [/websocket]_Java_ProgramKR

    programkr.com | 1 year ago
    javax.servlet.ServletException: javax.websocket.DeploymentException: Multiple Endpoints may not be deployed to using the same path [/websocket]
  3. 0

    GitHub comment 830#226917741

    GitHub | 6 months ago | fturizo
    javax.servlet.ServletException: java.lang.InstantiationException: org.glassfish.tyrus.server.TyrusServerConfiguration
  4. Speed up your debug routine!

    Automated exception search integrated into your IDE

  5. 0

    Tomcat throwing javax.websocket.DeploymentException

    Stack Overflow | 5 months ago | Asantha Thilina
    javax.servlet.ServletException: javax.websocket.DeploymentException: No Throwable parameter was present on the method [onError] of class [org.analytic.dashboard.TrainNeuralNet] that was annotated with OnError
  6. 0

    Caused by: javax.websocket.DeploymentException: The path [websocket] is not valid

    Stack Overflow | 5 months ago | Lucifer Swift
    javax.servlet.ServletException: javax.websocket.DeploymentException: The path [websocket] is not valid.

    3 unregistered visitors
    Not finding the right solution?
    Take a tour to get the most out of Samebug.

    Tired of useless tips?

    Automated exception search integrated into your IDE

    Root Cause Analysis

    1. 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()
    2. Tomcat WS
      WsSci.onStartup
      1. org.apache.tomcat.websocket.pojo.PojoMethodMapping.getPathParams(PojoMethodMapping.java:233)
      2. org.apache.tomcat.websocket.pojo.PojoMethodMapping.<init>(PojoMethodMapping.java:122)
      3. org.apache.tomcat.websocket.server.WsServerContainer.addEndpoint(WsServerContainer.java:239)
      4. org.apache.tomcat.websocket.server.WsSci.onStartup(WsSci.java:143)
      4 frames
    3. Glassfish Core
      ContainerBase$StartChild.call
      1. org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5444)
      2. org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
      3. org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559)
      4. org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549)
      4 frames
    4. Java RT
      Thread.run
      1. java.util.concurrent.FutureTask.run(FutureTask.java:262)
      2. java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
      3. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
      4. java.lang.Thread.run(Thread.java:744)
      4 frames