List<LogRecord> logged = aggregateFutureLogHandler.getStoredLogRecords();
    assertThat(logged).hasSize(2); // failures after the first are logged
    assertThat(logged.get(0).getThrown()).isInstanceOf(MyException.class);
    assertThat(logged.get(1).getThrown()).isInstanceOf(MyException.class);
  }

  /** The same exception happening on multiple futures should not be logged. */

    List<LogRecord> logged = aggregateFutureLogHandler.getStoredLogRecords();
    assertThat(logged).hasSize(2); // failures after the first are logged
    assertThat(logged.get(0).getThrown()).isInstanceOf(MyException.class);
    assertThat(logged.get(1).getThrown()).isInstanceOf(MyException.class);
  }

  /** The same exception happening on multiple futures should not be logged. */

    ExampleClassUnderTest.foo();
    LogRecord record = handler.getStoredLogRecords().get(0);
    assertEquals(Level.INFO, record.getLevel());
    assertThat(record.getMessage()).isEqualTo("message");
    assertThat(record.getThrown()).isEqualTo(EXCEPTION);
  }

  public void testConcurrentModification() throws Exception {
    // Tests for the absence of a bug where logging while iterating over the

    ExampleClassUnderTest.foo();
    LogRecord record = handler.getStoredLogRecords().get(0);
    assertEquals(Level.INFO, record.getLevel());
    assertThat(record.getMessage()).isEqualTo("message");
    assertThat(record.getThrown()).isEqualTo(EXCEPTION);
  }

  public void testConcurrentModification() throws Exception {
    // Tests for the absence of a bug where logging while iterating over the

            helper = ComponentUtil.getLogNotificationHelper();
        } catch (final Exception e) {
            return;
        }

        String throwableStr = null;
        final Throwable thrown = event.getThrown();
        if (thrown != null) {
            final StringWriter sw = new StringWriter();
            thrown.printStackTrace(new PrintWriter(sw));
            throwableStr = sw.toString();

    List<LogRecord> logRecords = logHandler.getStoredLogRecords();
    assertThat(logRecords).hasSize(1);
    LogRecord logRecord = logRecords.get(0);
    logHandler.clear();
    return logRecord.getThrown();
  }

  private void checkNothingLogged() {
    assertThat(logHandler.getStoredLogRecords()).isEmpty();
  }

  private void checkLoggedCause(Throwable t) {

    List<LogRecord> logRecords = logHandler.getStoredLogRecords();
    assertThat(logRecords).hasSize(1);
    LogRecord logRecord = logRecords.get(0);
    logHandler.clear();
    return logRecord.getThrown();
  }

  private void checkNothingLogged() {
    assertThat(logHandler.getStoredLogRecords().isEmpty()).isTrue();
  }

  private void checkLogged(Throwable t) {

    List<LogRecord> logRecords = logHandler.getStoredLogRecords();
    assertThat(logRecords).hasSize(1);
    LogRecord logRecord = logRecords.get(0);
    logHandler.clear();
    return logRecord.getThrown();
  }

  private void checkNothingLogged() {
    assertThat(logHandler.getStoredLogRecords().isEmpty()).isTrue();
  }

  private void checkLogged(Throwable t) {

    List<LogRecord> logRecords = logHandler.getStoredLogRecords();
    assertThat(logRecords).hasSize(1);
    LogRecord logRecord = logRecords.get(0);
    logHandler.clear();
    return logRecord.getThrown();
  }

  private void checkNothingLogged() {
    assertThat(logHandler.getStoredLogRecords()).isEmpty();
  }

  private void checkLoggedCause(Throwable t) {

      stack.addFirst(closeable);
    }

    return closeable;
  }

  /**
   * Stores the given throwable and rethrows it. It will be rethrown as is if it is an {@code
   * IOException}, {@code RuntimeException} or {@code Error}. Otherwise, it will be rethrown wrapped
   * in a {@code RuntimeException}. <b>Note:</b> Be sure to declare all of the checked exception