response = get(c -> c.prepareSearchScroll(sid).setScroll(scrollForDelete).execute());
                if (!scrollId.equals(response.getScrollId())) {
                    clearScroll(scrollId);
                }
                scrollId = response.getScrollId();
            }
        } finally {
            clearScroll(scrollId);
        }
        return count;
    }

                        .actionGet(fessConfig.getIndexBulkTimeout());
                if (!scrollId.equals(response.getScrollId())) {
                    deleteScrollContext(scrollId);
                }
                scrollId = response.getScrollId();
            }
        } finally {
            deleteScrollContext(scrollId);
        }
        return count;
    }

                if (!scrollId.equals(response.getScrollId())) {
                    getClient().clearScroll(scrollId);
                }
                scrollId = response.getScrollId();
            }
        } finally {
            getClient().clearScroll(scrollId);
        }

        refresh();
    }