[MDSAL-682] Netty replication source fails to shutdown

Relates — Fri, 8 Apr 2022 19:48:07 +0000
This has been observed in the CSIT:
2021-08-12T06:56:57,610 | ERROR | CM Event Dispatcher (Fire ConfigurationEvent: pid=org.opendaylight.mdsal.replicate.netty.source) | NettyReplicationSource           | 262 - org.opendaylight.mdsal.replicate-netty - 7.0.9 | bundle org.opendaylight.mdsal.replicate-netty:7.0.9 (262)[org.opendaylight.mdsal.replicate.netty.NettyReplicationSource(51)] : The deactivate method has thrown an exception
java.lang.NullPointerException: null
	at org.opendaylight.mdsal.replicate.netty.NettyReplicationSource.deactivate(NettyReplicationSource.java:73) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.invokeMethod(BaseMethod.java:244) ~[bundleFile:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$500(BaseMethod.java:41) ~[bundleFile:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$Resolved.invoke(BaseMethod.java:685) ~[bundleFile:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.invoke(BaseMethod.java:529) [bundleFile:?]
	at org.apache.felix.scr.impl.inject.methods.ActivateMethod.invoke(ActivateMethod.java:318) [bundleFile:?]
	at org.apache.felix.scr.impl.inject.methods.ActivateMethod.invoke(ActivateMethod.java:308) [bundleFile:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.disposeImplementationObject(SingleComponentManager.java:421) [bundleFile:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.deleteComponent(SingleComponentManager.java:165) [bundleFile:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.doDeactivate(AbstractComponentManager.java:853) [bundleFile:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.deactivateInternal(AbstractComponentManager.java:825) [bundleFile:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.reconfigure(SingleComponentManager.java:738) [bundleFile:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.reconfigure(SingleComponentManager.java:684) [bundleFile:?]
	at org.apache.felix.scr.impl.manager.ConfigurableComponentHolder.configurationUpdated(ConfigurableComponentHolder.java:437) [bundleFile:?]
	at org.apache.felix.scr.impl.manager.RegionConfigurationSupport.configurationEvent(RegionConfigurationSupport.java:347) [bundleFile:?]
	at org.apache.felix.scr.impl.manager.RegionConfigurationSupport$2.configurationEvent(RegionConfigurationSupport.java:115) [bundleFile:?]
	at org.apache.felix.cm.impl.ConfigurationManager$FireConfigurationEvent.sendEvent(ConfigurationManager.java:1720) [bundleFile:?]
	at org.apache.felix.cm.impl.ConfigurationManager$FireConfigurationEvent.run(ConfigurationManager.java:1662) [bundleFile:?]
	at org.apache.felix.cm.impl.UpdateThread.run0(UpdateThread.java:122) [bundleFile:?]
	at org.apache.felix.cm.impl.UpdateThread.run(UpdateThread.java:84) [bundleFile:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
OpenDaylight JIRA

[MDSAL-682] Netty replication source fails to shutdown
