Has anyone seen this at Karaf startup and understands what the cause is? 2019-04-10T20:23:42,571 | INFO | FelixStartLevel | CommandExtension | mpl.action.osgi.CommandExtension 146 | 44 - org.apache.karaf.shell.core - 4.1.7 | Registering commands for bundle org.apache.karaf.config.core/4.1.7 2019-04-10T20:23:42,578 | WARN | FelixStartLevel | CommandExtender | impl.action.osgi.CommandExtender 87 | 44 - org.apache.karaf.shell.core - 4.1.7 | org.apache.karaf.config.core (24): Error while creating extension java.lang.RuntimeException: java.lang.reflect.InvocationTargetException at org.apache.karaf.shell.impl.action.command.ManagerImpl.register(ManagerImpl.java:159) [44:org.apache.karaf.shell.core:4.1.7] at org.apache.karaf.shell.impl.action.osgi.CommandExtension.updateState(CommandExtension.java:168) [44:org.apache.karaf.shell.core:4.1.7] at org.apache.karaf.shell.impl.action.osgi.CommandExtension.start(CommandExtension.java:113) [44:org.apache.karaf.shell.core:4.1.7] at org.apache.felix.utils.extender.AbstractExtender.createExtension(AbstractExtender.java:254) [44:org.apache.karaf.shell.core:4.1.7] at org.apache.felix.utils.extender.AbstractExtender.modifiedBundle(AbstractExtender.java:227) [44:org.apache.karaf.shell.core:4.1.7] at org.apache.felix.utils.extender.AbstractExtender.addingBundle(AbstractExtender.java:187) [44:org.apache.karaf.shell.core:4.1.7] at org.osgi.util.tracker.BundleTracker$Tracked.customizerAdding(BundleTracker.java:469) [?:?] at org.osgi.util.tracker.BundleTracker$Tracked.customizerAdding(BundleTracker.java:415) [?:?] 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.BundleTracker.open(BundleTracker.java:156) [?:?] at org.apache.felix.utils.extender.AbstractExtender.startTracking(AbstractExtender.java:150) [44:org.apache.karaf.shell.core:4.1.7] at org.apache.felix.utils.extender.AbstractExtender.doStart(AbstractExtender.java:142) [44:org.apache.karaf.shell.core:4.1.7] at org.apache.felix.utils.extender.AbstractExtender.start(AbstractExtender.java:114) [44:org.apache.karaf.shell.core:4.1.7] at org.apache.karaf.shell.impl.console.osgi.Activator.start(Activator.java:107) [44:org.apache.karaf.shell.core:4.1.7] at org.apache.felix.framework.util.SecureAction.startActivator(SecureAction.java:697) [?:?] at org.apache.felix.framework.Felix.activateBundle(Felix.java:2240) [?:?] at org.apache.felix.framework.Felix.startBundle(Felix.java:2146) [?:?] at org.apache.felix.framework.Felix.setActiveStartLevel(Felix.java:1373) [?:?] at org.apache.felix.framework.FrameworkStartLevelImpl.run(FrameworkStartLevelImpl.java:308) [?:?] at java.lang.Thread.run(Thread.java:748) [?:?] Caused by: java.lang.reflect.InvocationTargetException at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?] at java.lang.reflect.Method.invoke(Method.java:498) ~[?:?] at org.apache.karaf.shell.impl.action.command.ManagerImpl.instantiate(ManagerImpl.java:103) ~[?:?] at org.apache.karaf.shell.impl.action.command.ManagerImpl.instantiate(ManagerImpl.java:60) ~[?:?] at org.apache.karaf.shell.impl.action.command.ManagerImpl.register(ManagerImpl.java:151) ~[?:?] ... 20 more Caused by: java.lang.NullPointerException: Specified service reference cannot be null. at org.apache.felix.framework.BundleContextImpl.ungetService(BundleContextImpl.java:479) ~[?:?] at org.apache.karaf.config.core.impl.MetaServiceCaller.withMetaTypeService(MetaServiceCaller.java:38) ~[?:?] at org.apache.karaf.config.command.completers.MetaCompleter.updateMeta(MetaCompleter.java:63) ~[?:?] at org.apache.karaf.config.command.completers.MetaCompleter.init(MetaCompleter.java:49) ~[?:?] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?] at java.lang.reflect.Method.invoke(Method.java:498) ~[?:?] at org.apache.karaf.shell.impl.action.command.ManagerImpl.instantiate(ManagerImpl.java:103) ~[?:?] at org.apache.karaf.shell.impl.action.command.ManagerImpl.instantiate(ManagerImpl.java:60) ~[?:?] at org.apache.karaf.shell.impl.action.command.ManagerImpl.register(ManagerImpl.java:151) ~[?:?] ... 20 more 2019-04-10T20:23:42,584 | INFO | FelixStartLevel | CommandExtension | mpl.action.osgi.CommandExtension 146 | 44 - org.apache.karaf.shell.core - 4.1.7 | Registering commands for bundle org.apache.karaf.deployer.kar/4.1.7
Just looking at MetaServiceCaller.withMetaTypeService(), "ref" could be null but the code does not handle that. - Martin
