ms = new PagingMessageStore("s20");
ms = new SimpleMessageStore("s20");
   public void setUp() throws Exception   {      super.setUp();      tl = new JDBCPersistenceManager(sc.getDataSource(), sc.getTransactionManager());      tl.start();      ms = new PagingMessageStore("s20");      tr.start(tl);         channel = new CoreDurableSubscription(123, "clientid123", "testDurableSubscription",                                            null, null, false, ms, tl, 100, 20, 10);      log.debug("setup done");   }