completedJobStatusStore = new CompletedJobStatusStore(conf, aclsManager);
plugins = conf.getInstances(JT_PLUGINS, ServicePlugin.class);
for (ServicePlugin p : plugins) {
try {
p.start(this);
LOG.info("Started plug-in " + p + " of type " + p.getClass());
} catch (Throwable t) {
LOG.warn("ServicePlugin " + p + " of type " + p.getClass() +
" could not be started", t);
}