//set base using file storage, could be overridden
Map<String, String> config1 = expandConfig(getBaseStorageConfig());
logger.debug("Default base storage provider: " + getBaseStorageType() + ", " +
"config: " + config1);
StoragePlugin base = loadPlugin(
getBaseStorageType(),
config1,
storagePluginProviderService
);
if(null==base) {