Entity not persisted, using JDO,RequestFactory.

I am trying to persist this http://pastebin.com/7KtXaBGe entity using following piece of code: 

                PollRequest pr = requestFactory.pollRequest();

PollProxy createdPoll = pr.create(PollProxy.class);

createdPoll.setQuestion(view.getQuestion());

createdPoll.setOptions(view.asEditor().getList());

createdPoll.setCloseTime(closeTime);

createdPoll.setUser(Cookies.getCookie("user"));

Request<Void> createReq = pr.persist().using(createdPoll);

           createReq.fire(new Receiver<Void>(){

@Override

public void onSuccess(Void arg0){

view.setMsg("PollCreated");

}

@Override

public void onFailure(ServerFailure error){

Logger logger = Logger.getLogger("PollPersistError");

logger.log(Level.SEVERE,error.getMessage());

}

});

                

But it doesn't get persisted.There are no exceptions. What could be wrong? 

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