Error with Context Example

out.log

[info] 2016-06-08  WARN [ForkJoinPool-2-worker-5] c.p.c.a.BaseApi$ServiceActor - Non-fatal exception: 500 - Internal Server Error - Cannot cast scala.util.Right to java.lang.String
[info] java.lang.ClassCastException: Cannot cast scala.util.Right to java.lang.String
[info] 	at java.lang.Class.cast(Class.java:3369)
[info] 	at scala.concurrent.Future$$anonfun$mapTo$1.apply(Future.scala:407)
[info] 	at scala.util.Success$$anonfun$map$1.apply(Try.scala:237)
[info] 	at scala.util.Try$.apply(Try.scala:192)
[info] 	at scala.util.Success.map(Try.scala:237)
[info] 	at scala.concurrent.Future$$anonfun$map$1.apply(Future.scala:237)
[info] 	at scala.concurrent.Future$$anonfun$map$1.apply(Future.scala:237)
[info] 	at scala.concurrent.impl.CallbackRunnable.run(Promise.scala:32)
[info] 	at scala.concurrent.BatchingExecutor$Batch$$anonfun$run$1.processBatch$1(BatchingExecutor.scala:63)
[info] 	at scala.concurrent.BatchingExecutor$Batch$$anonfun$run$1.apply$mcV$sp(BatchingExecutor.scala:78)
[info] 	at scala.concurrent.BatchingExecutor$Batch$$anonfun$run$1.apply(BatchingExecutor.scala:55)
[info] 	at scala.concurrent.BatchingExecutor$Batch$$anonfun$run$1.apply(BatchingExecutor.scala:55)
[info] 	at scala.concurrent.BlockContext$.withBlockContext(BlockContext.scala:72)
[info] 	at scala.concurrent.BatchingExecutor$Batch.run(BatchingExecutor.scala:54)
[info] 	at scala.concurrent.Future$InternalCallbackExecutor$.unbatchedExecute(Future.scala:601)
[info] 	at scala.concurrent.BatchingExecutor$class.execute(BatchingExecutor.scala:106)
[info] 	at scala.concurrent.Future$InternalCallbackExecutor$.execute(Future.scala:599)
[info] 	at scala.concurrent.impl.CallbackRunnable.executeWithValue(Promise.scala:40)
[info] 	at scala.concurrent.impl.Promise$DefaultPromise.tryComplete(Promise.scala:248)
[info] 	at akka.pattern.PromiseActorRef.$bang(AskSupport.scala:267)
[info] 	at akka.pattern.PipeToSupport$PipeableFuture$$anonfun$pipeTo$1.apply(PipeToSupport.scala:17)
[info] 	at akka.pattern.PipeToSupport$PipeableFuture$$anonfun$pipeTo$1.apply(PipeToSupport.scala:16)
[info] 	at scala.concurrent.impl.CallbackRunnable.run(Promise.scala:32)
[info] 	at scala.concurrent.impl.ExecutionContextImpl$AdaptedForkJoinTask.exec(ExecutionContextImpl.scala:121)
[info] 	at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
[info] 	at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.pollAndExecAll(ForkJoinPool.java:1253)
[info] 	at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1346)
[info] 	at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
[info] 	at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)
[info]  Request HttpRequest(POST,http://localhost:8070/secondary-analysis/job-manager/jobs/pbsmrtpipe/d6594be7-0be6-4e5a-b2a9-642e7e027fdf/datastore,List(Host: localhost:8070, Content-Length: 402, Accept-Encoding: gzip, deflate, User-Agent: python-requests/2.7.0 CPython/2.7.10 Darwin/15.5.0, Connection: keep-alive, Content-Type: application/json),HttpEntity(application/json,{"fileTypeId": "PacBio.FileTypes.log", "description": "Master log", "sourceId": "pbsmrtpipe::master.log", "isChunked": false, "modifiedAt": "2016-06-08T20:51:25", "fileSize": 633, "uniqueId": "c038442b-45a1-4263-bd65-291154c9b0b9", "path": "/Users/mkocher/gh_mk_projects/smrtflow/smrt-server-analysis/jobs-root/000/000081/logs/master.log", "createdAt": "2016-06-08T20:51:25", "name": "Master log file"}),HTTP/1.1)