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 org.apache.karaf.features.internal.util.MultiException: Error restarting bundles: Exception in org.apache.aries.jmx.whiteboard.Activator.start() of bundle org.apache.aries.jmx.whiteboard. at org.apache.karaf.features.internal.service.Deployer.deploy(Deployer.java:1049) at org.apache.karaf.features.internal.service.FeaturesServiceImpl.doProvision(FeaturesServiceImpl.java:1069) at org.apache.karaf.features.internal.service.FeaturesServiceImpl.lambda$doProvisionInThread$13(FeaturesServiceImpl.java:1004) at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) at java.base/java.lang.Thread.run(Thread.java:1583) Suppressed: org.osgi.framework.BundleException: Exception in org.apache.aries.jmx.whiteboard.Activator.start() of bundle org.apache.aries.jmx.whiteboard. at org.eclipse.osgi.internal.framework.BundleContextImpl.startActivator(BundleContextImpl.java:839) at org.eclipse.osgi.internal.framework.BundleContextImpl.start(BundleContextImpl.java:767) at org.eclipse.osgi.internal.framework.EquinoxBundle.startWorker0(EquinoxBundle.java:1032) at org.eclipse.osgi.internal.framework.EquinoxBundle$EquinoxModule.startWorker(EquinoxBundle.java:371) at org.eclipse.osgi.container.Module.doStart(Module.java:605) at org.eclipse.osgi.container.Module.start(Module.java:468) at org.eclipse.osgi.internal.framework.EquinoxBundle.start(EquinoxBundle.java:445) at org.eclipse.osgi.internal.framework.EquinoxBundle.start(EquinoxBundle.java:464) at org.apache.karaf.features.internal.service.BundleInstallSupportImpl.startBundle(BundleInstallSupportImpl.java:165) at org.apache.karaf.features.internal.service.FeaturesServiceImpl.startBundle(FeaturesServiceImpl.java:1160) at org.apache.karaf.features.internal.service.Deployer.deploy(Deployer.java:1041) ... 6 more Caused by: java.lang.NullPointerException: Cannot invoke "javax.management.MBeanServer.registerMBean(Object, javax.management.ObjectName)" because "server" is null at org.apache.aries.jmx.whiteboard.MBeanHolder.register(MBeanHolder.java:114) at org.apache.aries.jmx.whiteboard.JmxWhiteboardSupport.registerMBean(JmxWhiteboardSupport.java:88) at org.apache.aries.jmx.whiteboard.Activator$MBeanTracker.addingService(Activator.java:102) at org.osgi.util.tracker.ServiceTracker$Tracked.customizerAdding(ServiceTracker.java:943) at org.osgi.util.tracker.ServiceTracker$Tracked.customizerAdding(ServiceTracker.java:871) at org.osgi.util.tracker.AbstractTracked.trackAdding(AbstractTracked.java:256) at org.osgi.util.tracker.AbstractTracked.trackInitial(AbstractTracked.java:183) at org.osgi.util.tracker.ServiceTracker.open(ServiceTracker.java:321) at org.apache.aries.jmx.whiteboard.Activator.start(Activator.java:44) at org.eclipse.osgi.internal.framework.BundleContextImpl$2.run(BundleContextImpl.java:818) at org.eclipse.osgi.internal.framework.BundleContextImpl$2.run(BundleContextImpl.java:1) at java.base/java.security.AccessController.doPrivileged(AccessController.java:571) at org.eclipse.osgi.internal.framework.BundleContextImpl.startActivator(BundleContextImpl.java:810) ... 16 more