but in runtime i have
```
io.vertx.core.impl.Fut...
# coroutinesh
hackerham
12/01/2016, 4:20 PMbut in runtime i have
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io.vertx.core.impl.FutureImpl cannot be cast to Userhackerham
12/01/2016, 4:20 PMio.vertx.core.impl.FutureImpl cannot be cast to User