java.lang.IllegalStateException: problem in scala.concurrent internal callback

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via Scala JIRA by Takami Torao, 1 year ago
problem in scala.concurrent internal callback
via scala-lang.org by Unknown author, 2 years ago
problem in scala.concurrent internal callback
via GitHub by torao
, 2 years ago
problem in scala.concurrent internal callback
via Stack Overflow by Lorenzo Trisolini
, 1 year ago
via Google Groups by Lorenzo Trisolini, 1 year ago
via Google Groups by glapark, 1 year ago
java.lang.IllegalArgumentException: requirement failed
at scala.Predef$.require(Predef.scala:207)
at scala.concurrent.BatchingExecutor$Batch.run(BatchingExecutor.scala:51)
at scala.concurrent.Future$InternalCallbackExecutor$.unbatchedExecute(Future.scala:599)
at scala.concurrent.BatchingExecutor$Batch$$anonfun$run$1.processBatch$1(BatchingExecutor.scala:72)
at scala.concurrent.BatchingExecutor$Batch$$anonfun$run$1.apply$mcV$sp(BatchingExecutor.scala:78)
at scala.concurrent.BatchingExecutor$Batch$$anonfun$run$1.apply(BatchingExecutor.scala:55)
at scala.concurrent.BatchingExecutor$Batch$$anonfun$run$1.apply(BatchingExecutor.scala:55)
at scala.concurrent.BlockContext$.withBlockContext(BlockContext.scala:72)
at scala.concurrent.BatchingExecutor$Batch.run(BatchingExecutor.scala:54)
at scala.concurrent.Future$InternalCallbackExecutor$.unbatchedExecute(Future.scala:599)
at scala.concurrent.BatchingExecutor$class.execute(BatchingExecutor.scala:106)
at scala.concurrent.Future$InternalCallbackExecutor$.execute(Future.scala:597)
at scala.concurrent.impl.CallbackRunnable.executeWithValue(Promise.scala:40)
at scala.concurrent.impl.Promise$DefaultPromise.tryComplete(Promise.scala:248)
at scala.concurrent.Promise$class.complete(Promise.scala:55)
at scala.concurrent.impl.Promise$DefaultPromise.complete(Promise.scala:153)
at scala.concurrent.Future$$anonfun$map$1.apply(Future.scala:235)
at scala.concurrent.Future$$anonfun$map$1.apply(Future.scala:235)
at scala.concurrent.impl.CallbackRunnable.run(Promise.scala:32)
at scala.concurrent.impl.ExecutionContextImpl$AdaptedForkJoinTask.exec(ExecutionContextImpl.scala:121)
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)

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