public Issue createIssue(Issue p) {

    System.out.println("inside createIssue");
    DBObject doc = IssueConverter.toDBObject(p);
    this.col.insert(doc);
    ObjectId id = (ObjectId) doc.get("_id");
    p.setId(id.toString());
    return p;
  }
 public void updateIssue(Issue p) {
   DBObject query = BasicDBObjectBuilder.start().append("_id", new ObjectId(p.getId())).get();
   this.col.update(query, IssueConverter.toDBObject(p));
 }