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java.lang.reflect.InvocationTargetException: null at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)[na:1.7.0_111] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)[na:1.7.0_111] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)[na:1.7.0_111] at java.lang.reflect.Method.invoke(Method.java:606)[na:1.7.0_111] at org.red5.server.service.ServiceInvoker.invoke(ServiceInvoker.java:193)[red5-server-common-1.0.6-SNAPSHOT.jar:na] at org.red5.server.service.ServiceInvoker.invoke(ServiceInvoker.java:115)[red5-server-common-1.0.6-SNAPSHOT.jar:na] at org.red5.server.net.rtmp.RTMPHandler.invokeCall(RTMPHandler.java:186)[red5-server-common-1.0.6-SNAPSHOT.jar:1.0.6-SNAPSHOT] at org.red5.server.net.rtmp.RTMPHandler.onCommand(RTMPHandler.java:293)[red5-server-common-1.0.6-SNAPSHOT.jar:1.0.6-SNAPSHOT] at org.red5.server.net.rtmp.BaseRTMPHandler.messageReceived(BaseRTMPHandler.java:105)[red5-server-common-1.0.6-SNAPSHOT.jar:1.0.6-SNAPSHOT] at org.red5.server.net.rtmp.ReceivedMessageTask.call(ReceivedMessageTask.java:57)[red5-server-common-1.0.6-SNAPSHOT.jar:1.0.6-SNAPSHOT] at org.red5.server.net.rtmp.ReceivedMessageTask.call(ReceivedMessageTask.java:11)[red5-server-common-1.0.6-SNAPSHOT.jar:1.0.6-SNAPSHOT] at java.util.concurrent.FutureTask.run(FutureTask.java:262)[na:1.7.0_111] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)[na:1.7.0_111] at java.util.concurrent.FutureTask.run(FutureTask.java:262)[na:1.7.0_111] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)[na:1.7.0_111] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)[na:1.7.0_111] at java.lang.Thread.run(Thread.java:745)[na:1.7.0_111]Caused by: java.lang.NullPointerException: null at org.bigbluebutton.red5.service.TimerService.sendPublicTimerMessage(TimerService.java:55)[TimerService.class:na] ... 17 more