CNSTopic t = topicHandler.createTopic(topicName, topicName, userId2);
topicArn = t.getArn();
try {
topicHandler.deleteTopic(topicArn); //delete any pre-existing state
} catch (Exception e) { }
t = topicHandler.createTopic(topicName, topicName, userId2);
topicArn = t.getArn();