}
try {
discoer = (DiscoveryManagement) config.getEntry(
COMPONENT, "discoveryManager", DiscoveryManagement.class);
} catch (NoSuchEntryException e) {
discoer = new LookupDiscoveryManager(
DiscoveryGroupManagement.NO_GROUPS, null, null, config);
}
listenerPreparer = (ProxyPreparer) Config.getNonNullEntry(
config, COMPONENT, "listenerPreparer", ProxyPreparer.class,
listenerPreparer);