.get(getEsUrl() + "/" + DOC_INDEX_NAME + "/_search");
        JsonPath jsonPath = JsonPath.from(response.asString());
        String scrollId = jsonPath.getString("_scroll_id");
        while (true) {
            List<String> resultIds = jsonPath.getList("hits.hits._id");
            if (resultIds.size() == 0) {
                break;
            }

                response = client.prepareSearchScroll(scrollId).setScroll(scrollForDelete).execute().actionGet(scrollSearchTimeout);
                if (!scrollId.equals(response.getScrollId())) {
                    deleteScrollContext(scrollId);
                }
                scrollId = response.getScrollId();
            }
        } finally {
            deleteScrollContext(scrollId);
        }
    }

                response = client.prepareSearchScroll(scrollId).setScroll(scrollForDelete).execute().actionGet(scrollSearchTimeout);
                if (!scrollId.equals(response.getScrollId())) {
                    deleteScrollContext(scrollId);
                }
                scrollId = response.getScrollId();
            }
        } finally {
            deleteScrollContext(scrollId);
        }
    }

                response = client.prepareSearchScroll(scrollId).setScroll(scrollForDelete).execute().actionGet(scrollSearchTimeout);
                if (!scrollId.equals(response.getScrollId())) {
                    deleteScrollContext(scrollId);
                }
                scrollId = response.getScrollId();
            }
        } finally {
            deleteScrollContext(scrollId);
        }
    }

                }

                response = client.prepareSearchScroll(scrollId).setScroll(scrollForUpdate).execute()
                        .actionGet(fessConfig.getIndexBulkTimeout());
                if (!scrollId.equals(response.getScrollId())) {
                    deleteScrollContext(scrollId);
                }
                scrollId = response.getScrollId();
            }
        } finally {