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    <title>OpenDaylight JIRA</title>
    <link>https://jira.opendaylight.org</link>
    <description>This file is an XML representation of an issue</description>
    <language>en-us</language>    <build-info>
        <version>8.20.10</version>
        <build-number>820010</build-number>
        <build-date>22-06-2022</build-date>
    </build-info>


<item>
            <title>[CONTROLLER-1859] Error while creating extension</title>
                <link>https://jira.opendaylight.org/browse/CONTROLLER-1859</link>
                <project id="10113" key="CONTROLLER">controller</project>
                    <description>&lt;p&gt;By using git, I downloaded and compiled stable/oxygen branches of the controller (1.7.3.snapshot) and the openflow plugin (0.6.3.snapshot). Then installed the features&lt;/p&gt;

&lt;p&gt;odl-openflowplugin-libraries odl-openflowplugin-southbound odl-openflowplugin-app-reconciliation-framework odl-openflowplugin-flow-services odl-openflowplugin-nsf-model odl-openflowplugin-app-topology odl-openflowplugin-app-config-pusher odl-openflowplugin-app-forwardingrules-manager odl-openflowjava-protocol&lt;/p&gt;

&lt;p&gt;When ODL starts, the karaf.log file gives the warning:&lt;/p&gt;

&lt;p&gt;2018-08-23T16:15:58,921 | WARN&#160; | Start Level: Equinox Container: 1310d44e-d6ff-4b87-9e82-53e134c65cfb | CommandExtender&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; | 49 - org.apache.karaf.shell.core - 4.1.5 | org.apache.karaf.config.core (29): Error while creating extension&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;

&lt;p&gt;The first part of the log file is:&lt;/p&gt;

&lt;p&gt;&#160;| INFO&#160; | Framework stop&#160;&#160; | core&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; | 22 - org.apache.aries.jmx.core - 1.1.7 | Unregistering MBean with ObjectName &lt;span class=&quot;error&quot;&gt;&amp;#91;osgi.core:service=permissionadmin,version=1.2,framework=org.eclipse.osgi,uuid=bd5c97b9-190f-4bd0-9d7b-b8bb88df454a&amp;#93;&lt;/span&gt; for service with service.id &lt;span class=&quot;error&quot;&gt;&amp;#91;13&amp;#93;&lt;/span&gt;&lt;br/&gt;
 Aug 23, 2018 4:15:56 PM org.apache.karaf.main.lock.SimpleFileLock lock&lt;br/&gt;
 INFO: Trying to lock /home/a-onur/openday/controller/karaf/target/assembly/lock&lt;br/&gt;
 Aug 23, 2018 4:15:56 PM org.apache.karaf.main.lock.SimpleFileLock lock&lt;br/&gt;
 INFO: Lock acquired&lt;br/&gt;
 Aug 23, 2018 4:15:56 PM org.apache.karaf.main.Main$KarafLockCallback lockAquired&lt;br/&gt;
 INFO: Lock acquired. Setting startlevel to 100&lt;br/&gt;
 2018-08-23T16:15:58,743 | INFO&#160; | Start Level: Equinox Container: 1310d44e-d6ff-4b87-9e82-53e134c65cfb | core&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; | 22 - org.apache.aries.jmx.core - 1.1.7 | Starting JMX OSGi agent&lt;br/&gt;
 2018-08-23T16:15:58,757 | INFO&#160; | Start Level: Equinox Container: 1310d44e-d6ff-4b87-9e82-53e134c65cfb | core&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; | 22 - org.apache.aries.jmx.core - 1.1.7 | Registering MBean with ObjectName &lt;span class=&quot;error&quot;&gt;&amp;#91;osgi.core:service=permissionadmin,version=1.2,framework=org.eclipse.osgi,uuid=1310d44e-d6ff-4b87-9e82-53e134c65cfb&amp;#93;&lt;/span&gt; for service with service.id &lt;span class=&quot;error&quot;&gt;&amp;#91;13&amp;#93;&lt;/span&gt;&lt;br/&gt;
 2018-08-23T16:15:58,759 | INFO&#160; | Start Level: Equinox Container: 1310d44e-d6ff-4b87-9e82-53e134c65cfb | core&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; | 22 - org.apache.aries.jmx.core - 1.1.7 | Registering MBean with ObjectName &lt;span class=&quot;error&quot;&gt;&amp;#91;osgi.compendium:service=cm,version=1.3,framework=org.eclipse.osgi,uuid=1310d44e-d6ff-4b87-9e82-53e134c65cfb&amp;#93;&lt;/span&gt; for service with service.id &lt;span class=&quot;error&quot;&gt;&amp;#91;34&amp;#93;&lt;/span&gt;&lt;br/&gt;
 2018-08-23T16:15:58,845 | INFO&#160; | pool-14-thread-1 | core&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; | 22 - org.apache.aries.jmx.core - 1.1.7 | Registering org.osgi.jmx.framework.BundleStateMBean to MBeanServer com.sun.jmx.mbeanserver.JmxMBeanServer@5e481248 with name osgi.core:type=bundleState,version=1.7,framework=org.eclipse.osgi,uuid=1310d44e-d6ff-4b87-9e82-53e134c65cfb&lt;br/&gt;
 2018-08-23T16:15:58,848 | INFO&#160; | pool-14-thread-1 | core&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; | 22 - org.apache.aries.jmx.core - 1.1.7 | Registering org.osgi.jmx.framework.FrameworkMBean to MBeanServer com.sun.jmx.mbeanserver.JmxMBeanServer@5e481248 with name osgi.core:type=framework,version=1.7,framework=org.eclipse.osgi,uuid=1310d44e-d6ff-4b87-9e82-53e134c65cfb&lt;br/&gt;
 2018-08-23T16:15:58,848 | INFO&#160; | pool-14-thread-1 | core&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; | 22 - org.apache.aries.jmx.core - 1.1.7 | Registering org.osgi.jmx.framework.wiring.BundleWiringStateMBean to MBeanServer com.sun.jmx.mbeanserver.JmxMBeanServer@5e481248 with name osgi.core:type=wiringState,version=1.1,framework=org.eclipse.osgi,uuid=1310d44e-d6ff-4b87-9e82-53e134c65cfb&lt;br/&gt;
 2018-08-23T16:15:58,848 | INFO&#160; | pool-14-thread-1 | core&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; | 22 - org.apache.aries.jmx.core - 1.1.7 | Registering org.osgi.jmx.service.cm.ConfigurationAdminMBean to MBeanServer com.sun.jmx.mbeanserver.JmxMBeanServer@5e481248 with name osgi.compendium:service=cm,version=1.3,framework=org.eclipse.osgi,uuid=1310d44e-d6ff-4b87-9e82-53e134c65cfb&lt;br/&gt;
 2018-08-23T16:15:58,851 | INFO&#160; | pool-14-thread-1 | core&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; | 22 - org.apache.aries.jmx.core - 1.1.7 | Registering org.osgi.jmx.service.permissionadmin.PermissionAdminMBean to MBeanServer com.sun.jmx.mbeanserver.JmxMBeanServer@5e481248 with name osgi.core:service=permissionadmin,version=1.2,framework=org.eclipse.osgi,uuid=1310d44e-d6ff-4b87-9e82-53e134c65cfb&lt;br/&gt;
 2018-08-23T16:15:58,851 | INFO&#160; | pool-14-thread-1 | core&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; | 22 - org.apache.aries.jmx.core - 1.1.7 | Registering org.osgi.jmx.framework.ServiceStateMBean to MBeanServer com.sun.jmx.mbeanserver.JmxMBeanServer@5e481248 with name osgi.core:type=serviceState,version=1.7,framework=org.eclipse.osgi,uuid=1310d44e-d6ff-4b87-9e82-53e134c65cfb&lt;br/&gt;
 2018-08-23T16:15:58,852 | INFO&#160; | pool-14-thread-1 | core&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; | 22 - org.apache.aries.jmx.core - 1.1.7 | Registering org.osgi.jmx.framework.PackageStateMBean to MBeanServer com.sun.jmx.mbeanserver.JmxMBeanServer@5e481248 with name osgi.core:type=packageState,version=1.5,framework=org.eclipse.osgi,uuid=1310d44e-d6ff-4b87-9e82-53e134c65cfb&lt;br/&gt;
 2018-08-23T16:15:58,905 | INFO&#160; | Start Level: Equinox Container: 1310d44e-d6ff-4b87-9e82-53e134c65cfb | CommandExtension&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; | 49 - org.apache.karaf.shell.core - 4.1.5 | Registering commands for bundle org.apache.karaf.bundle.core/4.1.5&lt;br/&gt;
 2018-08-23T16:15:58,916 | INFO&#160; | Start Level: Equinox Container: 1310d44e-d6ff-4b87-9e82-53e134c65cfb | CommandExtension&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; | 49 - org.apache.karaf.shell.core - 4.1.5 | Registering commands for bundle org.apache.karaf.config.core/4.1.5&lt;br/&gt;
 2018-08-23T16:15:58,921 | WARN&#160; | Start Level: Equinox Container: 1310d44e-d6ff-4b87-9e82-53e134c65cfb | CommandExtender&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; | 49 - org.apache.karaf.shell.core - 4.1.5 | org.apache.karaf.config.core (29): Error while creating extension&lt;br/&gt;
 java.lang.RuntimeException: java.lang.reflect.InvocationTargetException&lt;br/&gt;
 &#160;&#160; &#160;at org.apache.karaf.shell.impl.action.command.ManagerImpl.register(ManagerImpl.java:159) &lt;span class=&quot;error&quot;&gt;&amp;#91;49:org.apache.karaf.shell.core:4.1.5&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &#160;&#160; &#160;at org.apache.karaf.shell.impl.action.osgi.CommandExtension.updateState(CommandExtension.java:168) &lt;span class=&quot;error&quot;&gt;&amp;#91;49:org.apache.karaf.shell.core:4.1.5&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &#160;&#160; &#160;at org.apache.karaf.shell.impl.action.osgi.CommandExtension.start(CommandExtension.java:113) &lt;span class=&quot;error&quot;&gt;&amp;#91;49:org.apache.karaf.shell.core:4.1.5&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &#160;&#160; &#160;at org.apache.felix.utils.extender.AbstractExtender.createExtension(AbstractExtender.java:254) &lt;span class=&quot;error&quot;&gt;&amp;#91;49:org.apache.karaf.shell.core:4.1.5&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &#160;&#160; &#160;at org.apache.felix.utils.extender.AbstractExtender.modifiedBundle(AbstractExtender.java:227) &lt;span class=&quot;error&quot;&gt;&amp;#91;49:org.apache.karaf.shell.core:4.1.5&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &#160;&#160; &#160;at org.apache.felix.utils.extender.AbstractExtender.addingBundle(AbstractExtender.java:187) &lt;span class=&quot;error&quot;&gt;&amp;#91;49:org.apache.karaf.shell.core:4.1.5&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &#160;&#160; &#160;at org.osgi.util.tracker.BundleTracker$Tracked.customizerAdding(BundleTracker.java:469) &lt;span class=&quot;error&quot;&gt;&amp;#91;?:?&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &#160;&#160; &#160;at org.osgi.util.tracker.BundleTracker$Tracked.customizerAdding(BundleTracker.java:415) &lt;span class=&quot;error&quot;&gt;&amp;#91;?:?&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &#160;&#160; &#160;at org.osgi.util.tracker.AbstractTracked.trackAdding(AbstractTracked.java:256) &lt;span class=&quot;error&quot;&gt;&amp;#91;?:?&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &#160;&#160; &#160;at org.osgi.util.tracker.AbstractTracked.trackInitial(AbstractTracked.java:183) &lt;span class=&quot;error&quot;&gt;&amp;#91;?:?&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &#160;&#160; &#160;at org.osgi.util.tracker.BundleTracker.open(BundleTracker.java:156) &lt;span class=&quot;error&quot;&gt;&amp;#91;?:?&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &#160;&#160; &#160;at org.apache.felix.utils.extender.AbstractExtender.startTracking(AbstractExtender.java:150) &lt;span class=&quot;error&quot;&gt;&amp;#91;49:org.apache.karaf.shell.core:4.1.5&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &#160;&#160; &#160;at org.apache.felix.utils.extender.AbstractExtender.doStart(AbstractExtender.java:142) &lt;span class=&quot;error&quot;&gt;&amp;#91;49:org.apache.karaf.shell.core:4.1.5&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &#160;&#160; &#160;at org.apache.felix.utils.extender.AbstractExtender.start(AbstractExtender.java:114) &lt;span class=&quot;error&quot;&gt;&amp;#91;49:org.apache.karaf.shell.core:4.1.5&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &#160;&#160; &#160;at org.apache.karaf.shell.impl.console.osgi.Activator.start(Activator.java:107) &lt;span class=&quot;error&quot;&gt;&amp;#91;49:org.apache.karaf.shell.core:4.1.5&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &#160;&#160; &#160;at org.eclipse.osgi.internal.framework.BundleContextImpl$3.run(BundleContextImpl.java:779) &lt;span class=&quot;error&quot;&gt;&amp;#91;?:?&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &#160;&#160; &#160;at org.eclipse.osgi.internal.framework.BundleContextImpl$3.run(BundleContextImpl.java:1) &lt;span class=&quot;error&quot;&gt;&amp;#91;?:?&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &#160;&#160; &#160;at java.security.AccessController.doPrivileged(Native Method) ~&lt;span class=&quot;error&quot;&gt;&amp;#91;?:?&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &#160;&#160; &#160;at org.eclipse.osgi.internal.framework.BundleContextImpl.startActivator(BundleContextImpl.java:772) &lt;span class=&quot;error&quot;&gt;&amp;#91;?:?&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &#160;&#160; &#160;at org.eclipse.osgi.internal.framework.BundleContextImpl.start(BundleContextImpl.java:729) &lt;span class=&quot;error&quot;&gt;&amp;#91;?:?&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &#160;&#160; &#160;at org.eclipse.osgi.internal.framework.EquinoxBundle.startWorker0(EquinoxBundle.java:933) &lt;span class=&quot;error&quot;&gt;&amp;#91;?:?&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &#160;&#160; &#160;at org.eclipse.osgi.internal.framework.EquinoxBundle$EquinoxModule.startWorker(EquinoxBundle.java:309) &lt;span class=&quot;error&quot;&gt;&amp;#91;?:?&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &#160;&#160; &#160;at org.eclipse.osgi.container.Module.doStart(Module.java:581) &lt;span class=&quot;error&quot;&gt;&amp;#91;?:?&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &#160;&#160; &#160;at org.eclipse.osgi.container.Module.start(Module.java:449) &lt;span class=&quot;error&quot;&gt;&amp;#91;?:?&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &#160;&#160; &#160;at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.incStartLevel(ModuleContainer.java:1634) &lt;span class=&quot;error&quot;&gt;&amp;#91;?:?&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &#160;&#160; &#160;at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.incStartLevel(ModuleContainer.java:1614) &lt;span class=&quot;error&quot;&gt;&amp;#91;?:?&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &#160;&#160; &#160;at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.doContainerStartLevel(ModuleContainer.java:1585) &lt;span class=&quot;error&quot;&gt;&amp;#91;?:?&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &#160;&#160; &#160;at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.dispatchEvent(ModuleContainer.java:1528) &lt;span class=&quot;error&quot;&gt;&amp;#91;?:?&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &#160;&#160; &#160;at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.dispatchEvent(ModuleContainer.java:1) &lt;span class=&quot;error&quot;&gt;&amp;#91;?:?&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &#160;&#160; &#160;at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230) &lt;span class=&quot;error&quot;&gt;&amp;#91;?:?&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &#160;&#160; &#160;at org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.run(EventManager.java:340) &lt;span class=&quot;error&quot;&gt;&amp;#91;?:?&amp;#93;&lt;/span&gt;&lt;br/&gt;
 Caused by: java.lang.reflect.InvocationTargetException&lt;br/&gt;
 &#160;&#160; &#160;at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~&lt;span class=&quot;error&quot;&gt;&amp;#91;?:?&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &#160;&#160; &#160;at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~&lt;span class=&quot;error&quot;&gt;&amp;#91;?:?&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &#160;&#160; &#160;at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~&lt;span class=&quot;error&quot;&gt;&amp;#91;?:?&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &#160;&#160; &#160;at java.lang.reflect.Method.invoke(Method.java:498) ~&lt;span class=&quot;error&quot;&gt;&amp;#91;?:?&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &#160;&#160; &#160;at org.apache.karaf.shell.impl.action.command.ManagerImpl.instantiate(ManagerImpl.java:103) ~&lt;span class=&quot;error&quot;&gt;&amp;#91;?:?&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &#160;&#160; &#160;at org.apache.karaf.shell.impl.action.command.ManagerImpl.instantiate(ManagerImpl.java:60) ~&lt;span class=&quot;error&quot;&gt;&amp;#91;?:?&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &#160;&#160; &#160;at org.apache.karaf.shell.impl.action.command.ManagerImpl.register(ManagerImpl.java:151) ~&lt;span class=&quot;error&quot;&gt;&amp;#91;?:?&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &#160;&#160; &#160;... 30 more&lt;br/&gt;
 Caused by: java.lang.NullPointerException&lt;br/&gt;
 &#160;&#160; &#160;at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.ungetService(ServiceRegistry.java:538) ~&lt;span class=&quot;error&quot;&gt;&amp;#91;?:?&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &#160;&#160; &#160;at org.eclipse.osgi.internal.framework.BundleContextImpl.ungetService(BundleContextImpl.java:666) ~&lt;span class=&quot;error&quot;&gt;&amp;#91;?:?&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &#160;&#160; &#160;at org.apache.karaf.config.core.impl.MetaServiceCaller.withMetaTypeService(MetaServiceCaller.java:38) ~&lt;span class=&quot;error&quot;&gt;&amp;#91;?:?&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &#160;&#160; &#160;at org.apache.karaf.config.command.completers.MetaCompleter.updateMeta(MetaCompleter.java:63) ~&lt;span class=&quot;error&quot;&gt;&amp;#91;?:?&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &#160;&#160; &#160;at org.apache.karaf.config.command.completers.MetaCompleter.init(MetaCompleter.java:49) ~&lt;span class=&quot;error&quot;&gt;&amp;#91;?:?&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &#160;&#160; &#160;at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~&lt;span class=&quot;error&quot;&gt;&amp;#91;?:?&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &#160;&#160; &#160;at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~&lt;span class=&quot;error&quot;&gt;&amp;#91;?:?&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &#160;&#160; &#160;at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~&lt;span class=&quot;error&quot;&gt;&amp;#91;?:?&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &#160;&#160; &#160;at java.lang.reflect.Method.invoke(Method.java:498) ~&lt;span class=&quot;error&quot;&gt;&amp;#91;?:?&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &#160;&#160; &#160;at org.apache.karaf.shell.impl.action.command.ManagerImpl.instantiate(ManagerImpl.java:103) ~&lt;span class=&quot;error&quot;&gt;&amp;#91;?:?&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &#160;&#160; &#160;at org.apache.karaf.shell.impl.action.command.ManagerImpl.instantiate(ManagerImpl.java:60) ~&lt;span class=&quot;error&quot;&gt;&amp;#91;?:?&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &#160;&#160; &#160;at org.apache.karaf.shell.impl.action.command.ManagerImpl.register(ManagerImpl.java:151) ~&lt;span class=&quot;error&quot;&gt;&amp;#91;?:?&amp;#93;&lt;/span&gt;&lt;br/&gt;
 &#160;&#160; &#160;... 30 more&lt;br/&gt;
 2018-08-23T16:15:58,927 | INFO&#160; | Start Level: Equinox Container: 1310d44e-d6ff-4b87-9e82-53e134c65cfb | CommandExtension&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; | 49 - org.apache.karaf.shell.core - 4.1.5 | Registering commands for bundle org.apache.karaf.deployer.kar/4.1.5&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;</description>
                <environment>&lt;p&gt;Ubuntu 18.04&lt;/p&gt;</environment>
        <key id="30612">CONTROLLER-1859</key>
            <summary>Error while creating extension</summary>
                <type id="10104" iconUrl="https://jira.opendaylight.org/secure/viewavatar?size=xsmall&amp;avatarId=10303&amp;avatarType=issuetype">Bug</type>
                                            <priority id="3" iconUrl="https://jira.opendaylight.org/images/icons/priorities/major.svg">Medium</priority>
                        <status id="5" iconUrl="https://jira.opendaylight.org/images/icons/statuses/resolved.png" description="A resolution has been taken, and it is awaiting verification by reporter. From here issues are either reopened, or are closed.">Resolved</status>
                    <statusCategory id="3" key="done" colorName="green"/>
                                    <resolution id="10001">Won&apos;t Do</resolution>
                                        <assignee username="-1">Unassigned</assignee>
                                    <reporter username="onuralparslan">Onur Alp</reporter>
                        <labels>
                    </labels>
                <created>Thu, 23 Aug 2018 08:09:12 +0000</created>
                <updated>Wed, 14 Nov 2018 12:56:13 +0000</updated>
                            <resolved>Wed, 14 Nov 2018 12:56:13 +0000</resolved>
                                    <version>Oxygen SR2</version>
                                                    <component>config</component>
                    <component>karaf</component>
                        <due></due>
                            <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="65625" author="rovarga" created="Wed, 14 Nov 2018 12:56:13 +0000"  >&lt;div class=&quot;preformatted panel&quot; style=&quot;border-width: 1px;&quot;&gt;&lt;div class=&quot;preformattedContent panelContent&quot;&gt;
&lt;pre&gt;Caused by: java.lang.NullPointerException
&#160;&#160; &#160;at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.ungetService(ServiceRegistry.java:538) ~[?:?]
&#160;&#160; &#160;at org.eclipse.osgi.internal.framework.BundleContextImpl.ungetService(BundleContextImpl.java:666) ~[?:?]
&#160;&#160; &#160;at org.apache.karaf.config.core.impl.MetaServiceCaller.withMetaTypeService(MetaServiceCaller.java:38) ~[?:?]
&#160;&#160; &#160;at org.apache.karaf.config.command.completers.MetaCompleter.updateMeta(MetaCompleter.java:63) ~[?:?]
&#160;&#160; &#160;at org.apache.karaf.config.command.completers.MetaCompleter.init(MetaCompleter.java:49) ~[?:?]
&#160;&#160; &#160;at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
&#160;&#160; &#160;at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
&#160;&#160; &#160;at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
&#160;&#160; &#160;at java.lang.reflect.Method.invoke(Method.java:498) ~[?:?]
&#160;&#160; &#160;at org.apache.karaf.shell.impl.action.command.ManagerImpl.instantiate(ManagerImpl.java:103) ~[?:?]
&#160;&#160; &#160;at org.apache.karaf.shell.impl.action.command.ManagerImpl.instantiate(ManagerImpl.java:60) ~[?:?]
&#160;&#160; &#160;at org.apache.karaf.shell.impl.action.command.ManagerImpl.register(ManagerImpl.java:151) ~[?:?]&lt;/pre&gt;
&lt;/div&gt;&lt;/div&gt;
&lt;p&gt;points to a problem in Karaf &#8211; please open an issue with Karaf to have it diagnosed, we&apos;ll pick up the fix once it is shipped there.&lt;/p&gt;</comment>
                    </comments>
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