Hi,

I still have a problem to get sable connection for participants.

For some of them it never works and for some it work a while... for some seems to help tu turn on own cam/mic to hear others!?!?... I am really helpless... :-(

catalalina out shows this kind of messages if connection fails.
/
//DEBUG 05-13 14:31:30.961 o.a.o.c.r.StreamProcessor:91 [io-5082-exec-19] - Incoming message from user with ID '14421': {"type":"kurento","id":"broadcastStarted","uid":"d6805f4c-8fc6-4a7a-9cf5-dd2bd85d1f65","sdpOffer":"v=0\r\no=mozilla...THIS_IS_SDPARTA-71.0 7880734367584313215 0 IN IP4 0.0.0.0\r\ns=-\r\nt=0 0\r\na=sendrecv\r\na=fingerprint:sha-256 59:FD:77:17:E5:21:C7:B5:09:5D:D1:AB:58:4F:26:CD:9A:04:84:24:03:A8:26:E4:C1:43:3E:5C:7B:72:13:5E\r\na=group:BUNDLE 0\r\na=ice-options:trickle\r\na=msid-semantic:WMS *\r\nm=audio 9 UDP/TLS/RTP/SAVPF 109 9 0 8 101\r\nc=IN IP4 0.0.0.0\r\na=sendrecv\r\na=extmap:1 urn:ietf:params:rtp-hdrext:ssrc-audio-level\r\na=extmap:2/recvonly urn:ietf:params:rtp-hdrext:csrc-audio-level\r\na=extmap:3 urn:ietf:params:rtp-hdrext:sdes:mid\r\na=fmtp:109 maxplaybackrate=48000;stereo=1;useinbandfec=1\r\na=fmtp:101 0-15\r\na=ice-pwd:5447d03e80580f7c2893f37f9605b0c4\r\na=ice-ufrag:90a19ebb\r\na=mid:0\r\na=msid:{5ffed8b7-c193-42ad-823d-1783352f933d} {8a5bd209-28fa-43a4-aec7-3823895d2f5a}\r\na=rtcp-mux\r\na=rtpmap:109 opus/48000/2\r\na=rtpmap:9 G722/8000/1\r\na=rtpmap:0 PCMU/8000\r\na=rtpmap:8 PCMA/8000\r\na=rtpmap:101 telephone-event/8000\r\na=setup:actpass\r\na=ssrc:3478667262 cname:{d02f827b-578a-4abe-92d4-25274bde1262}\r\n"}// //ERROR 05-13 14:31:31.020 o.a.o.w.c.OmWebSocketPanel:144 [io-5082-exec-19] - Error while processing incoming message//
//java.lang.NullPointerException: null//
//    at org.apache.openmeetings.core.remote.KStream.startBroadcast(KStream.java:88)// //    at org.apache.openmeetings.core.remote.StreamProcessor.startBroadcast(StreamProcessor.java:212)// //    at org.apache.openmeetings.core.remote.StreamProcessor.handleBroadcastStarted(StreamProcessor.java:187)// //    at org.apache.openmeetings.core.remote.StreamProcessor.onMessage(StreamProcessor.java:110)// //    at org.apache.openmeetings.core.remote.KurentoHandler.onMessage(KurentoHandler.java:233)// //    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$$EnhancerByCGLIB$$98325b15.onMessage(<generated>)// //    at org.apache.openmeetings.web.common.OmWebSocketPanel$2.onMessage(OmWebSocketPanel.java:125)// //    at org.apache.wicket.protocol.ws.api.WebSocketBehavior.onEvent(WebSocketBehavior.java:64)// //    at org.apache.wicket.settings.FrameworkSettings.dispatchEvent(FrameworkSettings.java:147)// //    at org.apache.wicket.ComponentEventSender.dispatchToComponent(ComponentEventSender.java:292)// //    at org.apache.wicket.ComponentEventSender$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:123)// //    at org.apache.wicket.util.visit.Visits.visitChildren(Visits.java:192)// //    at org.apache.wicket.MarkupContainer.visitChildren(MarkupContainer.java:988)// //    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.api.WebSocketMessageBroadcastHandler$1.run(WebSocketMessageBroadcastHandler.java:74)// //    at org.apache.wicket.protocol.ws.WebSocketSettings$SameThreadExecutor.run(WebSocketSettings.java:393)// //    at org.apache.wicket.protocol.ws.api.WebSocketMessageBroadcastHandler.respond(WebSocketMessageBroadcastHandler.java:97)// //    at org.apache.wicket.request.cycle.RequestCycle$HandlerExecutor.respond(RequestCycle.java:917)// //    at org.apache.wicket.request.RequestHandlerExecutor.execute(RequestHandlerExecutor.java:63)// //    at org.apache.wicket.request.cycle.RequestCycle.execute(RequestCycle.java:283)// //    at org.apache.wicket.request.cycle.RequestCycle.processRequest(RequestCycle.java:254)// //    at org.apache.wicket.request.cycle.RequestCycle.processRequestAndDetach(RequestCycle.java:222)// //    at org.apache.wicket.protocol.ws.api.AbstractWebSocketProcessor.broadcastMessage(AbstractWebSocketProcessor.java:272)// //    at org.apache.wicket.protocol.ws.api.AbstractWebSocketProcessor.onMessage(AbstractWebSocketProcessor.java:151)// //    at org.apache.wicket.protocol.ws.javax.JavaxWebSocketProcessor$StringMessageHandler.onMessage(JavaxWebSocketProcessor.java:65)// //    at 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.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1590)// //    at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)// //    at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)// //    at java.base/java.util.concurrent.ThreadPoolExecutor$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)//
//DEBUG 05-13 14:31:31.057 o.a.o.c.r.StreamProcessor:91 [io-5082-exec-19] - Incoming message from user with ID '14421': {"type":"kurento","id":"onIceCandidate","candidate":{"candidate":"candidate:0 1 UDP 2122252543 2003:c1:af11:800:6926:f25d:f7d5:6df1 54343 typ host","sdpMid":"0","sdpMLineIndex":0,"usernameFragment":"90a19ebb"},"uid":"d6805f4c-8fc6-4a7a-9cf5-dd2bd85d1f65","luid":"d6805f4c-8fc6-4a7a-9cf5-dd2bd85d1f65"}// //ERROR 05-13 14:31:31.058 o.a.o.w.c.OmWebSocketPanel:144 [io-5082-exec-19] - Error while processing incoming message//
//java.lang.NullPointerException: null//
//DEBUG 05-13 14:31:31.097 o.a.o.c.r.StreamProcessor:91 [io-5082-exec-19] - Incoming message from user with ID '14421': {"type":"kurento","id":"onIceCandidate","candidate":{"candidate":"candidate:3 1 UDP 2122187007 2003:c1:af11:800:bc95:9e0a:b6c0:4d60 54344 typ host","sdpMid":"0","sdpMLineIndex":0,"usernameFragment":"90a19ebb"},"uid":"d6805f4c-8fc6-4a7a-9cf5-dd2bd85d1f65","luid":"d6805f4c-8fc6-4a7a-9cf5-dd2bd85d1f65"}// //ERROR 05-13 14:31:31.097 o.a.o.w.c.OmWebSocketPanel:144 [io-5082-exec-19] - Error while processing incoming message//
//java.lang.NullPointerException: null//
//DEBUG 05-13 14:31:31.101 o.a.o.c.r.StreamProcessor:91 [io-5082-exec-19] - Incoming message from user with ID '14421': {"type":"kurento","id":"onIceCandidate","candidate":{"candidate":"candidate:6 1 UDP 2122121471 192.168.178.51 54345 typ host","sdpMid":"0","sdpMLineIndex":0,"usernameFragment":"90a19ebb"},"uid":"d6805f4c-8fc6-4a7a-9cf5-dd2bd85d1f65","luid":"d6805f4c-8fc6-4a7a-9cf5-dd2bd85d1f65"}// //ERROR 05-13 14:31:31.101 o.a.o.w.c.OmWebSocketPanel:144 [io-5082-exec-19] - Error while processing incoming message//
//java.lang.NullPointerException: null//
//DEBUG 05-13 14:31:31.132 o.a.o.c.r.StreamProcessor:91 [io-5082-exec-19] - Incoming message from user with ID '14421': {"type":"kurento","id":"onIceCandidate","candidate":{"candidate":"candidate:9 1 TCP 2105524479 2003:c1:af11:800:6926:f25d:f7d5:6df1 9 typ host tcptype active","sdpMid":"0","sdpMLineIndex":0,"usernameFragment":"90a19ebb"},"uid":"d6805f4c-8fc6-4a7a-9cf5-dd2bd85d1f65","luid":"d6805f4c-8fc6-4a7a-9cf5-dd2bd85d1f65"}// //ERROR 05-13 14:31:31.133 o.a.o.w.c.OmWebSocketPanel:144 [io-5082-exec-19] - Error while processing incoming message//
//java.lang.NullPointerException: null//
//DEBUG 05-13 14:31:31.137 o.a.o.c.r.StreamProcessor:91 [io-5082-exec-19] - Incoming message from user with ID '14421': {"type":"kurento","id":"onIceCandidate","candidate":{"candidate":"candidate:10 1 TCP 2105458943 2003:c1:af11:800:bc95:9e0a:b6c0:4d60 9 typ host tcptype active","sdpMid":"0","sdpMLineIndex":0,"usernameFragment":"90a19ebb"},"uid":"d6805f4c-8fc6-4a7a-9cf5-dd2bd85d1f65","luid":"d6805f4c-8fc6-4a7a-9cf5-dd2bd85d1f65"}// //ERROR 05-13 14:31:31.137 o.a.o.w.c.OmWebSocketPanel:144 [io-5082-exec-19] - Error while processing incoming message//
//java.lang.NullPointerException: null//
//DEBUG 05-13 14:31:31.140 o.a.o.c.r.StreamProcessor:91 [io-5082-exec-19] - Incoming message from user with ID '14421': {"type":"kurento","id":"onIceCandidate","candidate":{"candidate":"candidate:11 1 TCP 2105393407 192.168.178.51 9 typ host tcptype active","sdpMid":"0","sdpMLineIndex":0,"usernameFragment":"90a19ebb"},"uid":"d6805f4c-8fc6-4a7a-9cf5-dd2bd85d1f65","luid":"d6805f4c-8fc6-4a7a-9cf5-dd2bd85d1f65"}// //ERROR 05-13 14:31:31.140 o.a.o.w.c.OmWebSocketPanel:144 [io-5082-exec-19] - Error while processing incoming message//
//java.lang.NullPointerException: null//
//DEBUG 05-13 14:31:31.143 o.a.o.c.r.StreamProcessor:91 [io-5082-exec-19] - Incoming message from user with ID '14421': {"type":"kurento","id":"onIceCandidate","candidate":{"candidate":"candidate:0 2 UDP 2122252542 2003:c1:af11:800:6926:f25d:f7d5:6df1 54346 typ host","sdpMid":"0","sdpMLineIndex":0,"usernameFragment":"90a19ebb"},"uid":"d6805f4c-8fc6-4a7a-9cf5-dd2bd85d1f65","luid":"d6805f4c-8fc6-4a7a-9cf5-dd2bd85d1f65"}// //ERROR 05-13 14:31:31.143 o.a.o.w.c.OmWebSocketPanel:144 [io-5082-exec-19] - Error while processing incoming message//
//java.lang.NullPointerException: null//
//DEBUG 05-13 14:31:31.175 o.a.o.c.r.StreamProcessor:91 [io-5082-exec-19] - Incoming message from user with ID '14421': {"type":"kurento","id":"onIceCandidate","candidate":{"candidate":"candidate:3 2 UDP 2122187006 2003:c1:af11:800:bc95:9e0a:b6c0:4d60 54347 typ host","sdpMid":"0","sdpMLineIndex":0,"usernameFragment":"90a19ebb"},"uid":"d6805f4c-8fc6-4a7a-9cf5-dd2bd85d1f65","luid":"d6805f4c-8fc6-4a7a-9cf5-dd2bd85d1f65"}// //ERROR 05-13 14:31:31.175 o.a.o.w.c.OmWebSocketPanel:144 [io-5082-exec-19] - Error while processing incoming message//
//java.lang.NullPointerException: null//
//DEBUG 05-13 14:31:31.178 o.a.o.c.r.StreamProcessor:91 [io-5082-exec-19] - Incoming message from user with ID '14421': {"type":"kurento","id":"onIceCandidate","candidate":{"candidate":"candidate:6 2 UDP 2122121470 192.168.178.51 54348 typ host","sdpMid":"0","sdpMLineIndex":0,"usernameFragment":"90a19ebb"},"uid":"d6805f4c-8fc6-4a7a-9cf5-dd2bd85d1f65","luid":"d6805f4c-8fc6-4a7a-9cf5-dd2bd85d1f65"}// //ERROR 05-13 14:31:31.178 o.a.o.w.c.OmWebSocketPanel:144 [io-5082-exec-19] - Error while processing incoming message//
//java.lang.NullPointerException: null//
//DEBUG 05-13 14:31:31.181 o.a.o.c.r.StreamProcessor:91 [io-5082-exec-19] - Incoming message from user with ID '14421': {"type":"kurento","id":"onIceCandidate","candidate":{"candidate":"candidate:9 2 TCP 2105524478 2003:c1:af11:800:6926:f25d:f7d5:6df1 9 typ host tcptype active","sdpMid":"0","sdpMLineIndex":0,"usernameFragment":"90a19ebb"},"uid":"d6805f4c-8fc6-4a7a-9cf5-dd2bd85d1f65","luid":"d6805f4c-8fc6-4a7a-9cf5-dd2bd85d1f65"}// //ERROR 05-13 14:31:31.182 o.a.o.w.c.OmWebSocketPanel:144 [io-5082-exec-19] - Error while processing incoming message//
//java.lang.NullPointerException: null//
//DEBUG 05-13 14:31:31.185 o.a.o.c.r.StreamProcessor:91 [io-5082-exec-19] - Incoming message from user with ID '14421': {"type":"kurento","id":"onIceCandidate","candidate":{"candidate":"candidate:10 2 TCP 2105458942 2003:c1:af11:800:bc95:9e0a:b6c0:4d60 9 typ host tcptype active","sdpMid":"0","sdpMLineIndex":0,"usernameFragment":"90a19ebb"},"uid":"d6805f4c-8fc6-4a7a-9cf5-dd2bd85d1f65","luid":"d6805f4c-8fc6-4a7a-9cf5-dd2bd85d1f65"}// //ERROR 05-13 14:31:31.185 o.a.o.w.c.OmWebSocketPanel:144 [io-5082-exec-19] - Error while processing incoming message//
//java.lang.NullPointerException: null//
//DEBUG 05-13 14:31:31.217 o.a.o.c.r.StreamProcessor:91 [io-5082-exec-39] - Incoming message from user with ID '14421': {"type":"kurento","id":"onIceCandidate","candidate":{"candidate":"candidate:11 2 TCP 2105393406 192.168.178.51 9 typ host tcptype active","sdpMid":"0","sdpMLineIndex":0,"usernameFragment":"90a19ebb"},"uid":"d6805f4c-8fc6-4a7a-9cf5-dd2bd85d1f65","luid":"d6805f4c-8fc6-4a7a-9cf5-dd2bd85d1f65"}// //ERROR 05-13 14:31:31.217 o.a.o.w.c.OmWebSocketPanel:144 [io-5082-exec-39] - Error while processing incoming message//
//java.lang.NullPointerException: null//
/

In this example connection worked approximatly 2 houres and failed and I am not abel to reconnect. on both ends it looks like it is working but they can hear each other. Restart coturn and kms does't help. Reenter room also didn't change anything. By now I am using

Name OpenMeetings Version 5.0.5
Version 5.0.0-M5-SNAPSHOT
Revision aa09332
Builddate 2020-05-09T00:57:46Z

I also get this logentry. But I can not say, what the specific problem is for that user...

ERROR 05-13 15:26:55.928 o.a.o.w.c.OmWebSocketPanel:144 [io-5082-exec-30] - Error while processing incoming message org.kurento.jsonrpc.JsonRpcClientClosedException: Trying to send a message in a client closed explicitly. When a client is closed, it can't be reused. It is necessary to create another one     at org.kurento.jsonrpc.client.AbstractJsonRpcClientWebSocket.internalConnectIfNecessary(AbstractJsonRpcClientWebSocket.java:702)     at org.kurento.jsonrpc.client.AbstractJsonRpcClientWebSocket.connectIfNecessary(AbstractJsonRpcClientWebSocket.java:847)     at org.kurento.jsonrpc.client.AbstractJsonRpcClientWebSocket.internalSendRequestWebSocket(AbstractJsonRpcClientWebSocket.java:352)     at org.kurento.jsonrpc.client.AbstractJsonRpcClientWebSocket$1.internalSendRequest(AbstractJsonRpcClientWebSocket.java:141)     at org.kurento.jsonrpc.internal.JsonRpcRequestSenderHelper.sendRequest(JsonRpcRequestSenderHelper.java:75)     at org.kurento.jsonrpc.internal.JsonRpcRequestSenderHelper.sendRequest(JsonRpcRequestSenderHelper.java:69)     at org.kurento.jsonrpc.client.JsonRpcClient.sendRequest(JsonRpcClient.java:112)     at org.kurento.client.internal.transport.jsonrpc.RomClientJsonRpcClient.sendRequest(RomClientJsonRpcClient.java:228)     at org.kurento.client.internal.transport.jsonrpc.RomClientJsonRpcClient.create(RomClientJsonRpcClient.java:157)     at org.kurento.client.internal.transport.jsonrpc.RomClientJsonRpcClient.create(RomClientJsonRpcClient.java:147)     at org.kurento.client.internal.client.RomManager.create(RomManager.java:59)     at org.kurento.client.internal.client.RomManager.createWithKurentoObject(RomManager.java:257)
    at org.kurento.client.AbstractBuilder.build(AbstractBuilder.java:65)
    at org.apache.openmeetings.core.remote.AbstractStream.createWebRtcEndpoint(AbstractStream.java:51)     at org.apache.openmeetings.core.remote.KStream.createEndpoint(KStream.java:220)     at org.apache.openmeetings.core.remote.KStream.startBroadcast(KStream.java:121)     at org.apache.openmeetings.core.remote.StreamProcessor.startBroadcast(StreamProcessor.java:212)     at org.apache.openmeetings.core.remote.StreamProcessor.handleBroadcastStarted(StreamProcessor.java:187)     at org.apache.openmeetings.core.remote.StreamProcessor.onMessage(StreamProcessor.java:110)     at org.apache.openmeetings.core.remote.KurentoHandler.onMessage(KurentoHandler.java:233)     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$$EnhancerByCGLIB$$98325b15.onMessage(<generated>)     at org.apache.openmeetings.web.common.OmWebSocketPanel$2.onMessage(OmWebSocketPanel.java:125)     at org.apache.wicket.protocol.ws.api.WebSocketBehavior.onEvent(WebSocketBehavior.java:64)     at org.apache.wicket.settings.FrameworkSettings.dispatchEvent(FrameworkSettings.java:147)     at org.apache.wicket.ComponentEventSender.dispatchToComponent(ComponentEventSender.java:292)     at org.apache.wicket.ComponentEventSender$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:123)
    at org.apache.wicket.util.visit.Visits.visitChildren(Visits.java:192)
    at org.apache.wicket.MarkupContainer.visitChildren(MarkupContainer.java:988)     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.api.WebSocketMessageBroadcastHandler$1.run(WebSocketMessageBroadcastHandler.java:74)     at org.apache.wicket.protocol.ws.WebSocketSettings$SameThreadExecutor.run(WebSocketSettings.java:393)     at org.apache.wicket.protocol.ws.api.WebSocketMessageBroadcastHandler.respond(WebSocketMessageBroadcastHandler.java:97)     at org.apache.wicket.request.cycle.RequestCycle$HandlerExecutor.respond(RequestCycle.java:917)     at org.apache.wicket.request.RequestHandlerExecutor.execute(RequestHandlerExecutor.java:63)     at org.apache.wicket.request.cycle.RequestCycle.execute(RequestCycle.java:283)     at org.apache.wicket.request.cycle.RequestCycle.processRequest(RequestCycle.java:254)     at org.apache.wicket.request.cycle.RequestCycle.processRequestAndDetach(RequestCycle.java:222)     at org.apache.wicket.protocol.ws.api.AbstractWebSocketProcessor.broadcastMessage(AbstractWebSocketProcessor.java:272)     at org.apache.wicket.protocol.ws.api.AbstractWebSocketProcessor.onMessage(AbstractWebSocketProcessor.java:151)     at org.apache.wicket.protocol.ws.javax.JavaxWebSocketProcessor$StringMessageHandler.onMessage(JavaxWebSocketProcessor.java:65)     at 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.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1590)     at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)     at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)     at java.base/java.util.concurrent.ThreadPoolExecutor$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)
DEBUG 05-13 15:26:55.932 o.a.o.c.r.StreamProcessor:91 [io-5082-exec-17] - Incoming message from user with ID '11564': {"type":"kurento","id":"onIceCandidate","candidate":{"candidate":"candidate:2365818245 1 udp 2122197247 2a02:810b:c93f:fd88:3de4:6408:6529:55 60966 typ host generation 0 ufrag DQSD network-id 3 network-cost 10","sdpMid":"0","sdpMLineIndex":0},"uid":"4d796810-01b1-4def-a11b-708d4e2292c8","luid":"4d796810-01b1-4def-a11b-708d4e2292c8"} ERROR 05-13 15:26:55.932 o.a.o.w.c.OmWebSocketPanel:144 [io-5082-exec-17] - Error while processing incoming message
java.lang.NullPointerException: null
DEBUG 05-13 15:26:55.935 o.a.o.c.r.StreamProcessor:91 [io-5082-exec-17] - Incoming message from user with ID '11564': {"type":"kurento","id":"onIceCandidate","candidate":{"candidate":"candidate:3541122035 1 udp 2122131711 2a02:810b:c93f:fd88:543e:f407:a689:5272 60967 typ host generation 0 ufrag DQSD network-id 4 network-cost 10","sdpMid":"0","sdpMLineIndex":0},"uid":"4d796810-01b1-4def-a11b-708d4e2292c8","luid":"4d796810-01b1-4def-a11b-708d4e2292c8"} ERROR 05-13 15:26:55.936 o.a.o.w.c.OmWebSocketPanel:144 [io-5082-exec-17] - Error while processing incoming message
java.lang.NullPointerException: null
DEBUG 05-13 15:26:55.939 o.a.o.c.r.StreamProcessor:91 [io-5082-exec-17] - Incoming message from user with ID '11564': {"type":"kurento","id":"onIceCandidate","candidate":{"candidate":"candidate:2160642783 1 udp 2122063615 192.168.178.61 60968 typ host generation 0 ufrag DQSD network-id 2 network-cost 10","sdpMid":"0","sdpMLineIndex":0},"uid":"4d796810-01b1-4def-a11b-708d4e2292c8","luid":"4d796810-01b1-4def-a11b-708d4e2292c8"} ERROR 05-13 15:26:55.940 o.a.o.w.c.OmWebSocketPanel:144 [io-5082-exec-17] - Error while processing incoming message
java.lang.NullPointerException: null
DEBUG 05-13 15:26:55.943 o.a.o.c.r.StreamProcessor:91 [io-5082-exec-17] - Incoming message from user with ID '11564': {"type":"kurento","id":"onIceCandidate","candidate":{"candidate":"candidate:2365818245 1 udp 2122197247 2a02:810b:c93f:fd88:3de4:6408:6529:55 60969 typ host generation 0 ufrag DQSD network-id 3 network-cost 10","sdpMid":"1","sdpMLineIndex":1},"uid":"4d796810-01b1-4def-a11b-708d4e2292c8","luid":"4d796810-01b1-4def-a11b-708d4e2292c8"} ERROR 05-13 15:26:55.943 o.a.o.w.c.OmWebSocketPanel:144 [io-5082-exec-17] - Error while processing incoming message
java.lang.NullPointerException: null
DEBUG 05-13 15:26:55.947 o.a.o.c.r.StreamProcessor:91 [io-5082-exec-17] - Incoming message from user with ID '11564': {"type":"kurento","id":"onIceCandidate","candidate":{"candidate":"candidate:3541122035 1 udp 2122131711 2a02:810b:c93f:fd88:543e:f407:a689:5272 60970 typ host generation 0 ufrag DQSD network-id 4 network-cost 10","sdpMid":"1","sdpMLineIndex":1},"uid":"4d796810-01b1-4def-a11b-708d4e2292c8","luid":"4d796810-01b1-4def-a11b-708d4e2292c8"} ERROR 05-13 15:26:55.947 o.a.o.w.c.OmWebSocketPanel:144 [io-5082-exec-17] - Error while processing incoming message
java.lang.NullPointerException: null
DEBUG 05-13 15:26:55.951 o.a.o.c.r.StreamProcessor:91 [io-5082-exec-17] - Incoming message from user with ID '11564': {"type":"kurento","id":"onIceCandidate","candidate":{"candidate":"candidate:2160642783 1 udp 2122063615 192.168.178.61 60971 typ host generation 0 ufrag DQSD network-id 2 network-cost 10","sdpMid":"1","sdpMLineIndex":1},"uid":"4d796810-01b1-4def-a11b-708d4e2292c8","luid":"4d796810-01b1-4def-a11b-708d4e2292c8"} ERROR 05-13 15:26:55.951 o.a.o.w.c.OmWebSocketPanel:144 [io-5082-exec-17] - Error while processing incoming message
java.lang.NullPointerException: null
DEBUG 05-13 15:26:56.032 o.a.o.c.r.StreamProcessor:91 [io-5082-exec-38] - Incoming message from user with ID '11564': {"type":"kurento","id":"onIceCandidate","candidate":{"candidate":"candidate:2968217855 1 tcp 1518275327 2001::2851:782c:38ce:32a8:3f57:4dc2 9 typ host tcptype active generation 0 ufrag DQSD network-id 1 network-cost 50","sdpMid":"0","sdpMLineIndex":0},"uid":"4d796810-01b1-4def-a11b-708d4e2292c8","luid":"4d796810-01b1-4def-a11b-708d4e2292c8"} ERROR 05-13 15:26:56.032 o.a.o.w.c.OmWebSocketPanel:144 [io-5082-exec-38] - Error while processing incoming message
java.lang.NullPointerException: null
DEBUG 05-13 15:26:56.036 o.a.o.c.r.StreamProcessor:91 [io-5082-exec-38] - Incoming message from user with ID '11564': {"type":"kurento","id":"onIceCandidate","candidate":{"candidate":"candidate:3279976821 1 tcp 1518217471 2a02:810b:c93f:fd88:3de4:6408:6529:55 9 typ host tcptype active generation 0 ufrag DQSD network-id 3 network-cost 10","sdpMid":"0","sdpMLineIndex":0},"uid":"4d796810-01b1-4def-a11b-708d4e2292c8","luid":"4d796810-01b1-4def-a11b-708d4e2292c8"} ERROR 05-13 15:26:56.126 o.a.o.w.c.OmWebSocketPanel:144 [io-5082-exec-38] - Error while processing incoming message
java.lang.NullPointerException: null
DEBUG 05-13 15:26:56.130 o.a.o.c.r.StreamProcessor:91 [io-5082-exec-38] - Incoming message from user with ID '11564': {"type":"kurento","id":"onIceCandidate","candidate":{"candidate":"candidate:2643642115 1 tcp 1518151935 2a02:810b:c93f:fd88:543e:f407:a689:5272 9 typ host tcptype active generation 0 ufrag DQSD network-id 4 network-cost 10","sdpMid":"0","sdpMLineIndex":0},"uid":"4d796810-01b1-4def-a11b-708d4e2292c8","luid":"4d796810-01b1-4def-a11b-708d4e2292c8"} ERROR 05-13 15:26:56.152 o.a.o.w.c.OmWebSocketPanel:144 [io-5082-exec-38] - Error while processing incoming message
java.lang.NullPointerException: null
DEBUG 05-13 15:26:56.155 o.a.o.c.r.StreamProcessor:91 [io-5082-exec-38] - Incoming message from user with ID '11564': {"type":"kurento","id":"onIceCandidate","candidate":{"candidate":"candidate:3461035567 1 tcp 1518083839 192.168.178.61 9 typ host tcptype active generation 0 ufrag DQSD network-id 2 network-cost 10","sdpMid":"0","sdpMLineIndex":0},"uid":"4d796810-01b1-4def-a11b-708d4e2292c8","luid":"4d796810-01b1-4def-a11b-708d4e2292c8"} ERROR 05-13 15:26:56.178 o.a.o.w.c.OmWebSocketPanel:144 [io-5082-exec-38] - Error while processing incoming message
java.lang.NullPointerException: null
DEBUG 05-13 15:26:56.182 o.a.o.c.r.StreamProcessor:91 [io-5082-exec-38] - Incoming message from user with ID '11564': {"type":"kurento","id":"onIceCandidate","candidate":{"candidate":"candidate:2968217855 1 tcp 1518275327 2001::2851:782c:38ce:32a8:3f57:4dc2 9 typ host tcptype active generation 0 ufrag DQSD network-id 1 network-cost 50","sdpMid":"1","sdpMLineIndex":1},"uid":"4d796810-01b1-4def-a11b-708d4e2292c8","luid":"4d796810-01b1-4def-a11b-708d4e2292c8"} ERROR 05-13 15:26:56.203 o.a.o.w.c.OmWebSocketPanel:144 [io-5082-exec-38] - Error while processing incoming message
java.lang.NullPointerException: null
DEBUG 05-13 15:26:56.263 o.a.o.c.r.StreamProcessor:91 [io-5082-exec-38] - Incoming message from user with ID '11564': {"type":"kurento","id":"onIceCandidate","candidate":{"candidate":"candidate:3279976821 1 tcp 1518217471 2a02:810b:c93f:fd88:3de4:6408:6529:55 9 typ host tcptype active generation 0 ufrag DQSD network-id 3 network-cost 10","sdpMid":"1","sdpMLineIndex":1},"uid":"4d796810-01b1-4def-a11b-708d4e2292c8","luid":"4d796810-01b1-4def-a11b-708d4e2292c8"} ERROR 05-13 15:26:56.278 o.a.o.w.c.OmWebSocketPanel:144 [io-5082-exec-38] - Error while processing incoming message
java.lang.NullPointerException: null
DEBUG 05-13 15:26:56.282 o.a.o.c.r.StreamProcessor:91 [io-5082-exec-38] - Incoming message from user with ID '11564': {"type":"kurento","id":"onIceCandidate","candidate":{"candidate":"candidate:2643642115 1 tcp 1518151935 2a02:810b:c93f:fd88:543e:f407:a689:5272 9 typ host tcptype active generation 0 ufrag DQSD network-id 4 network-cost 10","sdpMid":"1","sdpMLineIndex":1},"uid":"4d796810-01b1-4def-a11b-708d4e2292c8","luid":"4d796810-01b1-4def-a11b-708d4e2292c8"} ERROR 05-13 15:26:56.303 o.a.o.w.c.OmWebSocketPanel:144 [io-5082-exec-38] - Error while processing incoming message
java.lang.NullPointerException: null
DEBUG 05-13 15:26:56.307 o.a.o.c.r.StreamProcessor:91 [io-5082-exec-38] - Incoming message from user with ID '11564': {"type":"kurento","id":"onIceCandidate","candidate":{"candidate":"candidate:3461035567 1 tcp 1518083839 192.168.178.61 9 typ host tcptype active generation 0 ufrag DQSD network-id 2 network-cost 10","sdpMid":"1","sdpMLineIndex":1},"uid":"4d796810-01b1-4def-a11b-708d4e2292c8","luid":"4d796810-01b1-4def-a11b-708d4e2292c8"} ERROR 05-13 15:26:56.328 o.a.o.w.c.OmWebSocketPanel:144 [io-5082-exec-38] - Error while processing incoming message
java.lang.NullPointerException: null


Any ideas about this?

Greetings Peter

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