@Override
protected BrokerService createBroker() throws Exception {
BrokerService broker = super.createBroker();
PolicyEntry policy = new PolicyEntry();
DeadLetterStrategy strategy = new DiscardingDeadLetterStrategy();
strategy.setProcessNonPersistent(true);
policy.setDeadLetterStrategy(strategy);
PolicyMap pMap = new PolicyMap();
pMap.setDefaultEntry(policy);