Hello Lalit, this error usually occurs on client re-connect, you can ignore it :)
On Tue, 2 Jun 2020 at 17:46, Lalit Patel <[email protected]> wrote: > Hi, > I am using Apache OpenMeetings 5.0.0-M4 installed through livs iso > provided by Alvaro. > I am observing following error in tomcat catalina log. Can anybody point > out what cloud be the issue ? > > *DEBUG 06-02 03:23:05.001 o.a.o.c.r.StreamProcessor:87 [io-5443-exec-10] - > Incoming message from user with ID '3': {"type":"kurento","id":"* > *onIceCandidate","candidate":{"**candidate":"candidate:**1787072512 1 tcp > 1518280447 10.54.8.28 9 typ host tcptype active generation 0 ufrag TQoe > network-id 1","sdpMid":"1","**sdpMLineIndex":1},"uid":"* > *fdee9808-6bdb-435c-9930-**ab1e0587180d","luid":"* > *fdee9808-6bdb-435c-9930-* > > *ab1e0587180d"}ERROR 06-02 03:23:05.001 o.a.o.w.c.OmWebSocketPanel:144 > [io-5443-exec-10] - Error while processing incoming messagejava.lang.* > *NullPointerException: null at org.apache.openmeetings.core.* > *remote.KStream.addCandidate(* > *KStream.java:335) at org.apache.openmeetings.core.* > *remote.StreamProcessor.**onMessage(StreamProcessor.* > *java:118) at org.apache.openmeetings.core.**remote.KurentoHandler.* > *onMessage(KurentoHandler.java:* > *173) at org.apache.openmeetings.core.**remote.Wicket_Proxy_* > *KurentoHandler$$**FastClassByCGLIB$$756e116d.* > *invoke(<generated>) at net.sf.cglib.proxy.**MethodProxy.invoke(* > *MethodProxy.java:204) at org.apache.wicket.proxy.**LazyInitProxyFactory$* > *AbstractCGLibInterceptor.**intercept(* > *LazyInitProxyFactory.java:364) at org.apache.openmeetings.core.* > *remote.Wicket_Proxy_**KurentoHandler$$**EnhancerByCGLIB$$359cc2d4.* > *onMessage(<generated>) at org.apache.openmeetings.web.* > *common.OmWebSocketPanel$2.**onMessage(OmWebSocketPanel.* > *java:125) at org.apache.wicket.protocol.ws > <http://org.apache.wicket.protocol.ws>.**api.WebSocketBehavior.onEvent(* > *WebSocketBehavior.java:64) at org.apache.wicket.settings.* > *FrameworkSettings.**dispatchEvent(* > *FrameworkSettings.java:147) at org.apache.wicket.**ComponentEventSender.* > *dispatchToComponent(* > *ComponentEventSender.java:292) at org.apache.wicket.* > *ComponentEventSender$**ComponentEventVisitor.**component(* > *ComponentEventSender.java:329) at org.apache.wicket.* > *ComponentEventSender$**ComponentEventVisitor.**component(* > *ComponentEventSender.java:306) at org.apache.wicket.util.visit.* > *Visits.visitChildren(Visits.* > *java:144) at org.apache.wicket.util.visit.**Visits.visitChildren(Visits.* > *java:162) at org.apache.wicket.util.visit.**Visits.visitChildren(Visits.* > *java:162) at org.apache.wicket.util.visit.**Visits.visitChildren(Visits.* > *java:123) at org.apache.wicket.util.visit.**Visits.visitChildren(Visits.* > *java:192) at org.apache.wicket.**MarkupContainer.visitChildren(* > *MarkupContainer.java:976) at org.apache.wicket.* > *ComponentEventSender.breadth(* > *ComponentEventSender.java:160) at org.apache.wicket.* > *ComponentEventSender.send(* > *ComponentEventSender.java:68) at org.apache.wicket.Component.* > *send(Component.java:4418) at org.apache.wicket.protocol.ws > <http://org.apache.wicket.protocol.ws>.**api.* > *WebSocketMessageBroadcastHandl**er$1.run(* > *WebSocketMessageBroadcastHandl* > *er.java:74) at org.apache.wicket.protocol.ws > <http://org.apache.wicket.protocol.ws>.**WebSocketSettings$* > *SameThreadExecutor.run(* > *WebSocketSettings.java:393) at org.apache.wicket.protocol.ws > <http://org.apache.wicket.protocol.ws>.**api.* > *WebSocketMessageBroadcastHandl**er.respond(* > *WebSocketMessageBroadcastHandl* > *er.java:97) at org.apache.wicket.request.**cycle.RequestCycle$* > *HandlerExecutor.respond(* > *RequestCycle.java:917) at org.apache.wicket.request.* > *RequestHandlerExecutor.**execute(**RequestHandlerExecutor.java:* > *63) at org.apache.wicket.request.**cycle.RequestCycle.execute(* > *RequestCycle.java:283) at org.apache.wicket.request.* > *cycle.RequestCycle.**processRequest(RequestCycle.* > *java:254) at org.apache.wicket.request.**cycle.RequestCycle.* > *processRequestAndDetach(* > *RequestCycle.java:222) at org.apache.wicket.protocol.ws > <http://org.apache.wicket.protocol.ws>.**api.* > *AbstractWebSocketProcessor.**broadcastMessage(* > *AbstractWebSocketProcessor.* > *java:272) at org.apache.wicket.protocol.ws > <http://org.apache.wicket.protocol.ws>.**api.* > *AbstractWebSocketProcessor.**onMessage(**AbstractWebSocketProcessor.* > *java:151) at org.apache.wicket.protocol.ws > <http://org.apache.wicket.protocol.ws>.**javax.JavaxWebSocketProcessor$* > *StringMessageHandler.**onMessage(**JavaxWebSocketProcessor.java:* > *65) at org.apache.wicket.protocol.ws > <http://org.apache.wicket.protocol.ws>.**javax.JavaxWebSocketProcessor$* > *StringMessageHandler.**onMessage(**JavaxWebSocketProcessor.java:* > *60) at org.apache.tomcat.websocket.**WsFrameBase.sendMessageText(* > *WsFrameBase.java:395) at org.apache.tomcat.websocket.* > *server.WsFrameServer.**sendMessageText(WsFrameServer.* > *java:119) at org.apache.tomcat.websocket.**WsFrameBase.processDataText(* > *WsFrameBase.java:495) at org.apache.tomcat.websocket.* > *WsFrameBase.processData(* > *WsFrameBase.java:294) at org.apache.tomcat.websocket.**WsFrameBase.* > *processInputBuffer(* > *WsFrameBase.java:133) at org.apache.tomcat.websocket.* > *server.WsFrameServer.**onDataAvailable(WsFrameServer.* > *java:82) at org.apache.tomcat.websocket.**server.WsFrameServer.* > *doOnDataAvailable(* > *WsFrameServer.java:171) at org.apache.tomcat.websocket.* > *server.WsFrameServer.**notifyDataAvailable(* > *WsFrameServer.java:151) at org.apache.tomcat.websocket.* > *server.WsHttpUpgradeHandler.**upgradeDispatch(* > *WsHttpUpgradeHandler.java:148) at org.apache.coyote.http11.**upgrade.* > *UpgradeProcessorInternal.**dispatch(**UpgradeProcessorInternal.java:* > *54) at org.apache.coyote.**AbstractProcessorLight.**process(* > *AbstractProcessorLight.java:* > *59) at org.apache.coyote.**AbstractProtocol$**ConnectionHandler.process(* > *AbstractProtocol.java:868) at org.apache.tomcat.util.net > <http://org.apache.tomcat.util.net>.**NioEndpoint$SocketProcessor.* > *doRun(NioEndpoint.java:1590) at org.apache.tomcat.util.net > <http://org.apache.tomcat.util.net>.**SocketProcessorBase.run(* > *SocketProcessorBase.java:49) at java.base/java.util.* > *concurrent.ThreadPoolExecutor.**runWorker(ThreadPoolExecutor.* > *java:1128) at java.base/java.util.**concurrent.ThreadPoolExecutor$* > *Worker.run(ThreadPoolExecutor.* > *java:628) at org.apache.tomcat.util.**threads.TaskThread$* > *WrappingRunnable.run(* > *TaskThread.java:61) at java.base/java.lang.Thread.**run(Thread.java:834)* > > Thanks and Regards > Lalit Patel > -- Best regards, Maxim
