Yes, it's normal as the management feature also install the MBean server which is already running in your instance.
As, by default, management feature is a boot feature, you don't have to install it. Regards JB On 27/03/2019 07:52, saravanaprasad wrote: > I have installed management feature to use FeatureMBean operations to > install/ uninstall feature. > Following is the error from karaf.log: > > 2019-03-27T10:56:33,852 | ERROR | activator-1-thread-1 | MBeanHolder > > | 15 - org.apache.aries.jmx.whiteboard - 1.2.0 | register: Failure > registering MBean > org.apache.karaf.features.internal.management.FeaturesServiceMBeanImpl@30da01d7 > javax.management.InstanceAlreadyExistsException: > org.apache.karaf:type=feature,name=root > at com.sun.jmx.mbeanserver.Repository.addMBean(Repository.java:436) > ~[?:?] > at > com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerWithRepository(DefaultMBeanServerInterceptor.java:1855) > ~[?:?] > at > com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerDynamicMBean(DefaultMBeanServerInterceptor.java:955) > ~[?:?] > at > com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerObject(DefaultMBeanServerInterceptor.java:890) > ~[?:?] > at > com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerMBean(DefaultMBeanServerInterceptor.java:320) > ~[?:?] > at > com.sun.jmx.mbeanserver.JmxMBeanServer.registerMBean(JmxMBeanServer.java:522) > ~[?:?] > at > org.apache.karaf.management.internal.EventAdminMBeanServerWrapper.registerMBean(EventAdminMBeanServerWrapper.java:207) > ~[?:?] > at > org.apache.aries.jmx.whiteboard.MBeanHolder.register(MBeanHolder.java:114) > [15:org.apache.aries.jmx.whiteboard:1.2.0] > at > org.apache.aries.jmx.whiteboard.JmxWhiteboardSupport.addMBeanServer(JmxWhiteboardSupport.java:58) > [15:org.apache.aries.jmx.whiteboard:1.2.0] > at > org.apache.aries.jmx.whiteboard.Activator$MBeanServerTracker.addingService(Activator.java:70) > [15:org.apache.aries.jmx.whiteboard:1.2.0] > at > org.osgi.util.tracker.ServiceTracker$Tracked.customizerAdding(ServiceTracker.java:941) > [?:?] > at > org.osgi.util.tracker.ServiceTracker$Tracked.customizerAdding(ServiceTracker.java:870) > [?:?] > at > org.osgi.util.tracker.AbstractTracked.trackAdding(AbstractTracked.java:256) > [?:?] > at org.osgi.util.tracker.AbstractTracked.track(AbstractTracked.java:229) > [?:?] > at > org.osgi.util.tracker.ServiceTracker$Tracked.serviceChanged(ServiceTracker.java:901) > [?:?] > at > org.apache.felix.framework.EventDispatcher.invokeServiceListenerCallback(EventDispatcher.java:990) > [?:?] > at > org.apache.felix.framework.EventDispatcher.fireEventImmediately(EventDispatcher.java:838) > [?:?] > at > org.apache.felix.framework.EventDispatcher.fireServiceEvent(EventDispatcher.java:545) > [?:?] > at org.apache.felix.framework.Felix.fireServiceEvent(Felix.java:4595) > [?:?] > at org.apache.felix.framework.Felix.registerService(Felix.java:3587) > [?:?] > at > org.apache.felix.framework.BundleContextImpl.registerService(BundleContextImpl.java:348) > [?:?] > at > org.apache.felix.framework.BundleContextImpl.registerService(BundleContextImpl.java:355) > [?:?] > at > org.apache.karaf.util.tracker.BaseActivator.register(BaseActivator.java:405) > [31:org.apache.karaf.management.server:4.2.3] > at > org.apache.karaf.util.tracker.BaseActivator.register(BaseActivator.java:393) > [31:org.apache.karaf.management.server:4.2.3] > at > org.apache.karaf.management.internal.Activator.doStart(Activator.java:170) > [31:org.apache.karaf.management.server:4.2.3] > at > org.apache.karaf.util.tracker.BaseActivator.run(BaseActivator.java:292) > [31:org.apache.karaf.management.server:4.2.3] > at > java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515) > [?:?] > at java.util.concurrent.FutureTask.run(FutureTask.java:264) [?:?] > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) > [?:?] > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) > [?:?] > at java.lang.Thread.run(Thread.java:834) [?:?] > > > > > -- > Sent from: http://karaf.922171.n3.nabble.com/Karaf-User-f930749.html > -- Jean-Baptiste Onofré [email protected] http://blog.nanthrax.net Talend - http://www.talend.com
