Serving GridFS throws "scala.NotImplementedError: an implementation is missing" error

[rey bumalay]

I upgraded our app from Play 2.1 and play2-reactivemongo 0.9 to Play 2.2 and play2-reactivemongo 0.10-SNAPSHOT and started getting the following error:

scala.NotImplementedError: an implementation is missing

at scala.Predef$.$qmark$qmark$qmark(Predef.scala:252)

at reactivemongo.api.gridfs.GridFS.enumerate(gridfs.scala:258)

at traits.CustomMongoController$$anonfun$serve$5.apply(CustomMongoController.scala:23)

at traits.CustomMongoController$$anonfun$serve$5.apply(CustomMongoController.scala:22)

at scala.concurrent.Future$$anonfun$flatMap$1.apply(Future.scala:278)

at scala.concurrent.Future$$anonfun$flatMap$1.apply(Future.scala:274)

at scala.concurrent.impl.CallbackRunnable.run(Promise.scala:29)

at scala.concurrent.impl.ExecutionContextImpl$$anon$3.exec(ExecutionContextImpl.scala:107)

at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)

at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.pollAndExecAll(ForkJoinPool.java:1253)

at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1346)

at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)

at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)

I did customized the MongoController so it supports E-Tags plus few more things although It was previously working and started breaking after upgrade. Here's the code that serves images on Application.scala:

https://gist.github.com/reyjexter/e9c1c4900d95d6435966

And the CustomMongoController.scala file:

https://gist.github.com/reyjexter/7a74cc82c65658789662

I hope you could help me with this problem. Thanks 

[Carlos Encarnacion]

Hi Rey!

Try 0.10.0-SNAPSHOT

[rey bumalay]

I seem to have been using 0.10.0-SNAPSHOT (Just had a typo on my post). Here's appDependencies on Build.scala:

val appDependencies = Seq(

// Add your project dependencies here,

jdbc,

anorm,

"org.scalaj" %% "scalaj-http" % "0.3.7",

"org.reactivemongo" %% "play2-reactivemongo" % "0.10.0-SNAPSHOT",

"com.typesafe" %% "play-plugins-mailer" % "2.1.0"

)

[Stephane Godbillon]

Hi,

This bug was due to a missing implementation.  It is fixed now, can you try again?

Thanks,

-- Stephane Godbillon

Blog: http://stephane.godbillon.com

Twitter: https://twitter.com/sgodbillon

Github: https://github.com/sgodbillon

2013/11/2 rey bumalay <reyj...@gmail.com>

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[Rey Bumalay]

Yes, this seems to be fixed now.

Thanks

Rey

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