} catch (final Exception e) {
                logger.warn("{} is not found.", mappingFile, e);
            }
            try {
                final AcknowledgedResponse putMappingResponse = indicesClient.preparePutMapping(index).setSource(source, XContentType.JSON)
                        .execute().actionGet(fessConfig.getIndexIndicesTimeout());
                if (putMappingResponse.isAcknowledged()) {