"Authentication service unavailable" error encountered non-deterministically during aaa feature installation

There is non-determinism related to aaa feature installation; in many cases, aaa service is unavailable after feature installation.

After starting distribution-karaf/target/assembly/bin/karaf and installing the following features

feature:install config standard package kar ssh management odl-mdsal-apidocs odl-l2switch-hosttracker odl-openflowplugin-southbound odl-openflowplugin-flow-services odl-netconf-connector-ssh

restconf is unavailable and results in "

".

This WebApplicationException occurs when trying to perform GET HTTP requests to "<host>:8181/restconf/":

javax.ws.rs.WebApplicationException
at com.sun.jersey.core.reflection.ReflectionHelper.classForNameWithException(ReflectionHelper.java:242)[214:com.sun.jersey.core:1.17.0]
at com.sun.jersey.core.reflection.ReflectionHelper.classForNameWithException(ReflectionHelper.java:222)[214:com.sun.jersey.core:1.17.0]