@Override
    public void run() {
      try {
        ScheduledThreadPoolExecutorWithKeepAlive.super.execute(task);
      } catch (RejectedExecutionException e) {
        // do nothing, we'll only get this if we're shutting down.
      }
    }
A Runnable which we put in the timer which simply hands off the contain task for execution in
the thread pool when the timer fires.
geode-core/src/main/java/org/apache/geode/internal/ScheduledThreadPoolExecutorWithKeepAlive.java