Martin Lichtin created KARAF-6234:
-------------------------------------
Summary: Handle null reference in
MetaServiceCaller.withMetaTypeService()
Key: KARAF-6234
URL: https://issues.apache.org/jira/browse/KARAF-6234
Project: Karaf
Issue Type: Improvement
Components: karaf
Affects Versions: 4.1.7
Reporter: Martin Lichtin
{noformat}
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
{noformat}
Just looking at MetaServiceCaller.withMetaTypeService(), "ref" could be null
but the code does not handle that.
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