Safe read after write

[david]

I am using Oak with a DocumentNodeStore.  I am storing content then 
adding a message onto a queue.  The consumer of the message uses and id 
to retrieve the content.  I am seeing frequent failures in the consumer 
(node not available/does not exist).  If I add a Thread.sleep after I 
store the node I do not see these failures.  My initial thought was this 
was related to the default Mongo WriteConcern of Acnknowledged, so I 
changed my code:

    public Repository getRepository() throws ClassNotFoundException, 
RepositoryException {
        DB db = new MongoClient(mongoHost, 
mongoPort).getDB(mongoOakDbName);
        db.setWriteConcern(WriteConcern.JOURNALED); // I also tried 
using FSYNC
        DocumentNodeStore ns = new 
DocumentMK.Builder().setMongoDB(db).getNodeStore();
        return new Jcr(new Oak(ns)).createRepository();
    }
but I still see the problem.  Am I missing something?

Thanks