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Constructing an invalid instance identifier can lead to the following:
Caused by: java.lang.NullPointerException
at org.opendaylight.yangtools.binding.data.codec.impl.ChoiceNodeCodecContext.getCazeByChildClass(ChoiceNodeCodecContext.java:145)
at org.opendaylight.yangtools.binding.data.codec.impl.DataObjectCodecContext.getIdentifierChild(DataObjectCodecContext.java:183)
at org.opendaylight.yangtools.binding.data.codec.impl.BindingCodecContext.getCodecContextNode(BindingCodecContext.java:108)
at org.opendaylight.yangtools.binding.data.codec.impl.BindingCodecContext$InstanceIdentifierCodec.serialize(BindingCodecContext.java:307)
at org.opendaylight.yangtools.binding.data.codec.impl.BindingCodecContext$InstanceIdentifierCodec.serialize(BindingCodecContext.java:302)
at org.opendaylight.yangtools.binding.data.codec.impl.BindingNormalizedNodeCodecRegistry.toYangInstanceIdentifier(BindingNormalizedNodeCodecRegistry.java:79)
at org.opendaylight.controller.md.sal.binding.impl.BindingToNormalizedNodeCodec.toNormalized(BindingToNormalizedNodeCodec.java:50)
at org.opendaylight.controller.md.sal.binding.impl.AbstractForwardedDataBroker.registerDataChangeListener(AbstractForwardedDataBroker.java:80)
at org.opendaylight.bgpcep.bgp.topology.provider.Ipv4ReachabilityTopologyBuilder.register(Ipv4ReachabilityTopologyBuilder.java:46)
at org.opendaylight.controller.config.yang.bgp.reachability.ipv4.Ipv4ReachabilityTopologyBuilderModule.createInstance(Ipv4ReachabilityTopologyBuilderModule.java:53)
at org.opendaylight.controller.config.yang.bgp.reachability.ipv4.AbstractIpv4ReachabilityTopologyBuilderModule.getInstance(AbstractIpv4ReachabilityTopologyBuilderModule.java:85)
at sun.reflect.GeneratedMethodAccessor23.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.opendaylight.controller.config.manager.impl.dependencyresolver.DependencyResolverManager$ModuleInvocationHandler.handleInvocation(DependencyResolverManager.java:149)
at com.google.common.reflect.AbstractInvocationHandler.invoke(AbstractInvocationHandler.java:70)
at com.sun.proxy.$Proxy31.getInstance(Unknown Source)
at org.opendaylight.controller.config.manager.impl.ConfigTransactionControllerImpl.secondPhaseCommit(ConfigTransactionControllerImpl.java:394)
... 36 more
which should be giving a better hint as to what went wrong and where.
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