GridFs error ConnectionNotInitialized: MongoError 'Connection is missing metadata (like protocol

[Isman Usoh]

i save photo to GridFS

Code:

def doUpload = Action.async(parse.multipartFormData) { request=>
  import reactivemongo.api.gridfs.Implicits._

  request.body.file("photo").map { file =>
    val db = reactiveMongo.connection("photo")
    val gridFs = GridFS[BSONSerializationPack.type](db)

    gridFs.save(Enumerator.fromFile(file.ref.file), DefaultFileToSave(file.filename, file.contentType)).map {
      readFile =>
        Ok(s"${readFile.id.toString} ${readFile.filename} ${readFile.length}")
    }
  }.getOrElse {
    Ok("Notfound").fuSuccess
  }
}

Error 

Execution exception                

[ConnectionNotInitialized: MongoError['Connection is missing metadata (like protocol version, etc.) The connection pool is probably being initialized.']]

reactivemongo.core.errors.ConnectionNotInitialized: MongoError['Connection is missing metadata (like protocol version, etc.) The connection pool is probably being initialized.']
    at reactivemongo.core.errors.ConnectionNotInitialized$.MissingMetadata(errors.scala:67) ~[reactivemongo_2.11-0.11.6.jar:0.11.6]
    at reactivemongo.api.collections.GenericCollection$$anonfun$insert$1.apply(genericcollection.scala:271) ~[reactivemongo_2.11-0.11.6.jar:0.11.6]
    at reactivemongo.api.collections.GenericCollection$$anonfun$insert$1.apply(genericcollection.scala:253) ~[reactivemongo_2.11-0.11.6.jar:0.11.6]
    at scala.concurrent.impl.Future$PromiseCompletingRunnable.liftedTree1$1(Future.scala:24) ~[scala-library-2.11.6.jar:na]
    at scala.concurrent.impl.Future$PromiseCompletingRunnable.run(Future.scala:24) ~[scala-library-2.11.6.jar:na]

info:
mongodb 3.0
reactivemongo 0.11.6
playframword 2.4.2

[Cédric Chantepie]

You have to check the ReactiveMongo driver is configured appropriately for the MongoDB and can access it (auth & network).