executorService.awaitTermination(60, TimeUnit.SECONDS);
            } catch (final InterruptedException e) {
                if (logger.isDebugEnabled()) {
                    logger.debug("Executor shutdown interrupted", e);
                }
            } finally {
                executorService.shutdownNow();
            }
        }
    }

    /**

  `Exactly so,' said the Hatter:  `as the things get used up.'

  `But what happens when you come to the beginning again?' Alice
ventured to ask.

  `Suppose we change the subject,' the March Hare interrupted,
yawning.  `I'm getting tired of this.  I vote the young lady
tells us a story.'

  `I'm afraid I don't know one,' said Alice, rather alarmed at
the proposal.

 * in a few ways:
 *
 * <ul>
 *   <li>Each task may be associated with a different executor.
 *   <li>Tasks may be of type {@code AsyncCallable}.
 *   <li>Running tasks <i>cannot</i> be interrupted. (Note that {@code newSequentialExecutor} does
 *       not return {@code Future} objects, so it doesn't support interruption directly, either.

        }

        indexUpdater.setFinishCrawling(true);
        try {
            indexUpdater.join();
        } catch (final InterruptedException e) {
            logger.warn("Interrupted index update.", e);
        }

        crawlingInfoHelper.putToInfoMap(Constants.WEB_FS_INDEX_EXEC_TIME, Long.toString(indexUpdater.getExecuteTime()));

            try {
                Thread.sleep(10);
            } catch (InterruptedException e) {
                Thread.currentThread().interrupt();
                throw new IOException("Interrupted waiting for send credit", e);
            }
        }
        
        if (!rdmaConnection.canSend()) {
            throw new IOException("Timeout waiting for RDMA send credit");
        }
    }
    

                        }
                    }
                } catch (final InterruptedException e) {
                    if (generating && logger.isDebugEnabled()) {
                        logger.debug("Interrupted task.", e);
                    }
                } catch (final Exception e) {
                    if (generating) {
                        logger.warn("Failed to generate thumbnail.", e);
                    }

   * Returns a future that delegates to another but will finish early (via a {@link
   * TimeoutException} wrapped in an {@link ExecutionException}) if the specified duration expires.
   *
   * <p>The delegate future is interrupted and cancelled if it times out.
   *
   * @param delegate The future to delegate to.
   * @param time when to time out the future
   * @param scheduledExecutor The executor service to enforce the timeout.

            }
            wait() // Wait until we receive a WINDOW_UPDATE.
          }
        } catch (e: InterruptedException) {
          Thread.currentThread().interrupt() // Retain interrupted status.
          throw InterruptedIOException()
        }

        toWrite = minOf(byteCount, writeBytesMaximum - writeBytesTotal).toInt()
        toWrite = minOf(toWrite, writer.maxDataLength())

            executor.awaitTermination(executorTerminationTimeout, TimeUnit.SECONDS);
        } catch (final InterruptedException e) {
            if (logger.isDebugEnabled()) {
                logger.debug("Executor shutdown interrupted", e);
            }
        } finally {
            executor.shutdownNow();
        }

        synchronized (indexUpdateCallback) {
            if (!deleteUrlList.isEmpty()) {

 * in a few ways:
 *
 * <ul>
 *   <li>Each task may be associated with a different executor.
 *   <li>Tasks may be of type {@code AsyncCallable}.
 *   <li>Running tasks <i>cannot</i> be interrupted. (Note that {@code newSequentialExecutor} does
 *       not return {@code Future} objects, so it doesn't support interruption directly, either.