} catch (final Exception e) {
            logger.debug("Failed to check {} index status.", indexName, e);
        }
        return exists;
    }

    public boolean copyDocIndex(final String fromIndex, final String toIndex, final boolean waitForCompletion) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final String source = fessConfig.getIndexReindexBody()//