tail -10 startup.log

13:46:24.649 [Smack-Cached Executor 239324 (0)] ERROR org.jivesoftware.smack.AbstractXMPPConnection - Exception in async packet listener
java.lang.NullPointerException: null
13:46:24.649 [Smack-Cached Executor 251791 (0)] ERROR org.jivesoftware.smack.AbstractXMPPConnection - Exception in async packet listener
java.lang.NullPointerException: null
13:46:24.649 [Smack-Cached Executor 243354 (0)] ERROR org.jivesoftware.smack.AbstractXMPPConnection - Exception in async packet listener
java.lang.NullPointerException: null
13:46:24.649 [Smack-Cached Executor 243708 (0)] ERROR org.jivesoftware.smack.AbstractXMPPConnection - Exception in async packet listener
java.lang.NullPointerException: null
13:46:27.975 [org.jitsi.util.concurrent.RecurringRunnableExecutor.thread-org.jitsi.videobridge.health.Health] INFO  org.jitsi.videobridge.Videobridge - CAT=stat create_conf,conf_id=91335c3ab9550ce9 conf_name=null,logging=false,conf_count=1,ch_count=0,v_streams=0
13:46:28.290 [org.jitsi.util.concurrent.RecurringRunnableExecutor.thread-org.jitsi.videobridge.health.Health] INFO  org.jitsi.videobridge.health.Health - Performed a successful health check in 315ms. Sticky failure: false