java.lang.NullPointerException: The parameter 'uiSession' must not be null.

GitHub | hangum | 6 months ago
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    Logout시 에러로그가나옵니다.

    GitHub | 6 months ago | hangum
    java.lang.NullPointerException: The parameter 'uiSession' must not be null.
  2. 0

    NullPointerException while loading multiple requests

    Eclipse Bugzilla | 3 years ago | devesh.mishra
    java.lang.NullPointerException

    Root Cause Analysis

    1. java.lang.NullPointerException

      The parameter 'uiSession' must not be null.

      at org.eclipse.rap.rwt.internal.util.ParamCheck.notNull()
    2. RWT
      RWTServlet.doGet
      1. org.eclipse.rap.rwt.internal.util.ParamCheck.notNull(ParamCheck.java:29)
      2. org.eclipse.rap.rwt.SingletonUtil.getUniqueInstance(SingletonUtil.java:73)
      3. org.eclipse.rap.rwt.SingletonUtil.getSessionInstance(SingletonUtil.java:58)
      4. org.eclipse.rap.rwt.internal.serverpush.ServerPushManager.getInstance(ServerPushManager.java:54)
      5. org.eclipse.rap.rwt.internal.serverpush.ServerPushServiceHandler.service(ServerPushServiceHandler.java:31)
      6. org.eclipse.rap.rwt.engine.RWTServlet.handleValidRequest(RWTServlet.java:135)
      7. org.eclipse.rap.rwt.engine.RWTServlet.handleRequest(RWTServlet.java:117)
      8. org.eclipse.rap.rwt.engine.RWTServlet.doGet(RWTServlet.java:100)
      8 frames
    3. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:687)
      2. javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
      2 frames
    4. org.eclipse.rap
      CutOffContextPathWrapper.service
      1. org.eclipse.rap.rwt.osgi.internal.CutOffContextPathWrapper.service(CutOffContextPathWrapper.java:106)
      1 frame
    5. org.eclipse.equinox
      ProxyServlet.service
      1. org.eclipse.equinox.http.servlet.internal.HttpServiceRuntimeImpl$LegacyServlet.service(HttpServiceRuntimeImpl.java:1271)
      2. org.eclipse.equinox.http.servlet.internal.registration.EndpointRegistration.service(EndpointRegistration.java:162)
      3. org.eclipse.equinox.http.servlet.internal.servlet.ResponseStateHandler.processRequest(ResponseStateHandler.java:63)
      4. org.eclipse.equinox.http.servlet.internal.HttpServiceRuntimeImpl.doDispatch(HttpServiceRuntimeImpl.java:413)
      5. org.eclipse.equinox.http.servlet.internal.HttpServiceRuntimeImpl.doDispatch(HttpServiceRuntimeImpl.java:341)
      6. org.eclipse.equinox.http.servlet.internal.HttpServiceRuntimeImpl.doDispatch(HttpServiceRuntimeImpl.java:204)
      7. org.eclipse.equinox.http.servlet.internal.servlet.ProxyServlet.processAlias(ProxyServlet.java:91)
      8. org.eclipse.equinox.http.servlet.internal.servlet.ProxyServlet.service(ProxyServlet.java:70)
      8 frames
    6. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
      1 frame
    7. Jetty Http Service
      HttpServerManager$InternalHttpServiceServlet.service
      1. org.eclipse.equinox.http.jetty.internal.HttpServerManager$InternalHttpServiceServlet.service(HttpServerManager.java:379)
      1 frame
    8. Jetty
      QueuedThreadPool$3.run
      1. org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:808)
      2. org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:587)
      3. org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:221)
      4. org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1127)
      5. org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515)
      6. org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
      7. org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1061)
      8. org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
      9. org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
      10. org.eclipse.jetty.server.Server.handle(Server.java:497)
      11. org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:310)
      12. org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:257)
      13. org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:540)
      14. org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)
      15. org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)
      15 frames
    9. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:745)
      1 frame