Apache Karaf starting up. Press Enter to open the shell now... 5% [===> ] 10% [=======> ] 15% [==========> ] 20% [==============> ] 25% [==================> ] 30% [=====================> ] 35% [=========================> ] 40% [============================> ] 45% [================================> ] 50% [====================================> ] 55% [=======================================> ] 60% [===========================================> ] 65% [==============================================> ] 70% [==================================================> ] 75% [======================================================> ] 80% [=========================================================> ] 85% [=============================================================> ] 90% [================================================================> ] 95% [====================================================================> ] 100% [========================================================================] Karaf started in 0s. Bundle stats: 20 active, 20 total Exception in thread "OVSDBConnNotifSer-5" java.lang.NullPointerException at java.base/java.util.concurrent.ConcurrentHashMap.remove(ConcurrentHashMap.java:1551) at org.opendaylight.ovsdb.southbound.OvsdbConnectionManager.unregisterEntityForOwnership(OvsdbConnectionManager.java:612) at org.opendaylight.ovsdb.southbound.OvsdbConnectionManager.disconnected(OvsdbConnectionManager.java:194) at org.opendaylight.ovsdb.southbound.OvsdbConnectionManager.registerEntityForOwnership(OvsdbConnectionManager.java:582) at org.opendaylight.ovsdb.southbound.OvsdbConnectionManager.connected(OvsdbConnectionManager.java:129) at org.opendaylight.ovsdb.lib.impl.OvsdbConnectionService.lambda$notifyListenerForPassiveConnection$4(OvsdbConnectionService.java:632) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) at java.base/java.lang.Thread.run(Thread.java:840) Exception in thread "OVSDBConnNotifSer-12" java.lang.NullPointerException at java.base/java.util.concurrent.ConcurrentHashMap.remove(ConcurrentHashMap.java:1551) at org.opendaylight.ovsdb.southbound.OvsdbConnectionManager.unregisterEntityForOwnership(OvsdbConnectionManager.java:612) at org.opendaylight.ovsdb.southbound.OvsdbConnectionManager.disconnected(OvsdbConnectionManager.java:194) at org.opendaylight.ovsdb.southbound.OvsdbConnectionManager.registerEntityForOwnership(OvsdbConnectionManager.java:582) at org.opendaylight.ovsdb.southbound.OvsdbConnectionManager.connected(OvsdbConnectionManager.java:129) at org.opendaylight.ovsdb.lib.impl.OvsdbConnectionService.lambda$notifyListenerForPassiveConnection$4(OvsdbConnectionService.java:632) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) at java.base/java.lang.Thread.run(Thread.java:840) Exception in thread "OVSDBConnNotifSer-11" java.lang.NullPointerException at java.base/java.util.concurrent.ConcurrentHashMap.remove(ConcurrentHashMap.java:1551) at org.opendaylight.ovsdb.southbound.OvsdbConnectionManager.unregisterEntityForOwnership(OvsdbConnectionManager.java:612) at org.opendaylight.ovsdb.southbound.OvsdbConnectionManager.disconnected(OvsdbConnectionManager.java:194) at org.opendaylight.ovsdb.southbound.OvsdbConnectionManager.registerEntityForOwnership(OvsdbConnectionManager.java:582) at org.opendaylight.ovsdb.southbound.OvsdbConnectionManager.connected(OvsdbConnectionManager.java:129) at org.opendaylight.ovsdb.lib.impl.OvsdbConnectionService.lambda$notifyListenerForPassiveConnection$4(OvsdbConnectionService.java:632) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) at java.base/java.lang.Thread.run(Thread.java:840)