/**
   * Test for issue #49: Sessions not associated with a memcached node don't get associated as soon
   * as a memcached is available
   *
   * @throws InterruptedException
   * @throws IOException
   * @throws TimeoutException
   * @throws ExecutionException
   */
  @Test(enabled = true)
  public void testNotAssociatedSessionGetsAssociatedIssue49()
      throws InterruptedException, IOException, ExecutionException, TimeoutException {
    _daemon.stop();

    final SessionManager manager = _tomcat1.getManager();
    manager.setMaxInactiveInterval(5);
    manager.setSticky(true);
    final SessionIdFormat sessionIdFormat = new SessionIdFormat();

    final Session session = manager.createSession(null);
    assertNull(sessionIdFormat.extractMemcachedId(session.getId()));

    _daemon.start();

    // Wait so that the daemon will be available and the client can reconnect (async get didn't do
    // the trick)
    Thread.sleep(4000);

    final String newSessionId =
        manager.getMemcachedSessionService().changeSessionIdOnMemcachedFailover(session.getId());
    assertNotNull(newSessionId);
    assertEquals(newSessionId, session.getId());
    assertEquals(sessionIdFormat.extractMemcachedId(newSessionId), _memcachedNodeId);
  }
 private void waitForSessionExpiration(final boolean sticky) throws InterruptedException {
   final SessionManager manager = _tomcat1.getManager();
   assertEquals(manager.getMemcachedSessionService().isSticky(), sticky);
   final Container container = manager.getContainer();
   final long timeout =
       TimeUnit.SECONDS.toMillis(
               sticky
                   ? container.getBackgroundProcessorDelay() + manager.getMaxInactiveInterval()
                   : 2 * manager.getMaxInactiveInterval())
           + 1000;
   Thread.sleep(timeout);
 }
  private void setStickyness(final SessionAffinityMode sessionAffinity) {
    if (!sessionAffinity.isSticky()) {
      _tomcat1.getEngine().setJvmRoute(null);
    }
    final SessionManager manager = _tomcat1.getManager();
    manager.setSticky(sessionAffinity.isSticky());

    try {
      waitForReconnect(manager.getMemcachedSessionService().getMemcached(), 1, 500);
    } catch (final InterruptedException e) {
      Thread.currentThread().interrupt();
      throw new RuntimeException(e);
    }
  }