private Multimap<ServerGuid, DriverDescriptor> createDriverMap() {
Multimap<ServerGuid, DriverDescriptor> map = ArrayListMultimap.create();
for (KnownServer s : serverManager.getRegisteredServers()) {
try {
ServerGuid serverGuid = s.getServerInfo().getGuid();
DatabaseDriverCache driversForServer = driverCache.getCache(serverGuid);
if (driversForServer != null) {
map.putAll(serverGuid, driversForServer.getDrivers());
}
} catch (DataCacheException ex) {