logger.warn("Failed to register {}", filePath, e);
            }
        });
        try (CurlResponse response = ComponentUtil.getCurlHelper().post("/_configsync/flush").execute()) {
            if (response.getHttpStatusCode() == 200) {
                logger.info("Flushed config files.");
            } else {
                logger.warn("Failed to flush config files.");
            }

                            logger.debug("Failed to access parent groups: {}", contentMap);
                        } else {
                            logger.warn("Failed to access parent groups: {}", contentMap);
                        }
                    }
                } catch (final IOException e) {
                    logger.warn("Failed to access groups/roles in AzureAD.", e);
                }

        }
        catch ( IOException ioe ) {
            log.warn("sendrecv failed", ioe);
            try {
                disconnect(true);
            }
            catch ( IOException ioe2 ) {
                ioe.addSuppressed(ioe2);
                log.info("disconnect failed", ioe2);
            }
            throw ioe;
        }
        catch ( InterruptedException ie ) {

            try {
                scheduledJobService.store(entity);
                saveInfo(messages -> messages.addSuccessCrudCreateCrudTable(GLOBAL));
            } catch (final Exception e) {
                logger.warn("Failed to process a request.", e);
                throwValidationError(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)),
                        this::asEditHtml);
            }

            entity.setToken(accessTokenHelper.generateAccessToken());
            try {
                accessTokenService.store(entity);
            } catch (final Exception e) {
                logger.warn("Failed to process a request.", e);
                throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)));
            }
            return entity;

                        dc_list_expiration = now + 1000 * 60 * 15; /* 15 min */
                        if (SmbTransport.log.level >= 2) {
                            SmbTransport.log.println( "Failed to retrieve DC list from WINS" );
                        }
                    }
                }

                int max = Math.min( dc_list.length, LOOKUP_RESP_LIMIT );
                for (int j = 0; j < max; j++) {

                } catch (final Exception e) {
                    logger.warn("Failed to read a click log: {}", list, e);
                }
            }
        } catch (final IOException e) {
            logger.warn("Failed to read a click log.", e);
        }
    }

    public void exportCsv(final Writer writer) {

            if (logger.isDebugEnabled()) {
                logger.debug("tikaExtractor is not found: {}", e.getMessage().replace('\n', ' '));
            }
        } catch (final Exception e) {
            logger.warn("Failed to initiaize TikaExtractor.", e);
        }
    }

    public String getTitle(final ResponseData responseData, final String title, final Map<String, Object> dataMap) {
        if (title == null) {

                }
            } catch (final Exception e) {
                if (logger.isDebugEnabled()) {
                    logger.debug("Failed to parse {}", pager.requestedTimeRange, e);
                }
            }
        }
    }

    private void createFavoriteLogCondition(final SearchLogPager pager, final FavoriteLogCB cb) {

    READY,
    NOT_READY,
    DONE,
    FAILED,
  }

  @CheckForNull private T next;

  @CheckForNull
  protected abstract T computeNext();

  @CanIgnoreReturnValue
  @CheckForNull
  protected final T endOfData() {
    state = State.DONE;
    return null;
  }

  @Override
  public final boolean hasNext() {
    checkState(state != State.FAILED);
    switch (state) {
      case DONE: