/**
     * Do not instantiate.
     */
    protected ThreadUtil() {
    }

    /**
     * Causes the currently executing thread to sleep (temporarily cease execution) for the specified number of milliseconds.
     *
     * @param millis
     *            the length of time to sleep in milliseconds
     * @throws InterruptedRuntimeException

    private void createRequiredDirectories() {
        // Create necessary directories for SuggestJob execution
        new File(tempDir, "WEB-INF/lib").mkdirs();
        new File(tempDir, "WEB-INF/env/suggest/lib").mkdirs();
        new File(tempDir, "WEB-INF/plugin").mkdirs();
    }

    // Test execute method with successful execution
    public void test_execute_success() {
        createRequiredDirectories();

        assertEquals("Root cause", exception.getCause().getCause().getMessage());
    }

    public void test_throwAndCatch() {
        // Test throwing and catching the exception
        String expectedMessage = "Job execution failed";
        boolean exceptionCaught = false;

        try {
            throw new ScheduledJobException(expectedMessage);
        } catch (ScheduledJobException e) {
            exceptionCaught = true;

          // can't know without submitting something to the executor) so queue to run iteratively.
          // Task must be null, since each execution on this executor can only produce one more
          // execution.
          checkState(submittingTaskQueue.nextTask == null);
          submittingTaskQueue.nextTask = task;

  protected AbstractExecutionThreadService() {}

  /**
   * Start the service. This method is invoked on the execution thread.
   *
   * <p>By default this method does nothing.
   */
  protected void startUp() throws Exception {}

  /**
   * Run the service. This method is invoked on the execution thread. Implementations must respond
   * to stop requests. You could poll for lifecycle changes in a work loop:
   *

            public void commit() {
                // No-op
            }
        };

        // Initial execution time should be 0
        assertEquals(0L, callback.getExecuteTime());

        // Store a document
        callback.store(new DataStoreParams(), new HashMap<>());

        // Execution time should be greater than 0
        assertTrue(callback.getExecuteTime() >= 10L);
    }

                logger.debug("Deleted {} documents. The execution time is {}ms.", sessionId,
                        systemHelper.getCurrentTimeAsLong() - execTime2);
            }
        }
        finishedSessionIdList.clear();

        if (logger.isInfoEnabled()) {
            logger.info("Deleted completed document data. The execution time is {}ms.", systemHelper.getCurrentTimeAsLong() - execTime);
        }

   * The listener will run when the {@code Future}'s computation is {@linkplain Future#isDone()
   * complete} or, if the computation is already complete, immediately.
   *
   * <p>There is no guaranteed ordering of execution of listeners, but any listener added through
   * this method is guaranteed to be called once the computation is complete.
   *
   * <p>Exceptions thrown by a listener will be propagated up to the executor. Any exception thrown

   * The listener will run when the {@code Future}'s computation is {@linkplain Future#isDone()
   * complete} or, if the computation is already complete, immediately.
   *
   * <p>There is no guaranteed ordering of execution of listeners, but any listener added through
   * this method is guaranteed to be called once the computation is complete.
   *
   * <p>Exceptions thrown by a listener will be propagated up to the executor. Any exception thrown

Directory for log files of DBFlute tasks

If your execution of DBFlute task fails,