Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via GitHub by romac
, 1 year ago
This exception has no message.
java.lang.NullPointerException: 	at me.reminisce.service.gameboardgen.questiongen.QuestionGenerator.dispatcher(QuestionGenerator.scala:28)	at me.reminisce.service.gameboardgen.questiongen.WhoLikedYourPost$$anonfun$receive$1$$anonfun$applyOrElse$1.apply(WhoLikedYourPost.scala:39)	at me.reminisce.service.gameboardgen.questiongen.WhoLikedYourPost$$anonfun$receive$1$$anonfun$applyOrElse$1.apply(WhoLikedYourPost.scala:34)	at scala.concurrent.impl.CallbackRunnable.run(Promise.scala:32)	at akka.dispatch.BatchingExecutor$Batch$$anonfun$run$1.processBatch$1(BatchingExecutor.scala:67)	at akka.dispatch.BatchingExecutor$Batch$$anonfun$run$1.apply$mcV$sp(BatchingExecutor.scala:82)	at akka.dispatch.BatchingExecutor$Batch$$anonfun$run$1.apply(BatchingExecutor.scala:59)	at akka.dispatch.BatchingExecutor$Batch$$anonfun$run$1.apply(BatchingExecutor.scala:59)	at scala.concurrent.BlockContext$.withBlockContext(BlockContext.scala:72)	at akka.dispatch.BatchingExecutor$Batch.run(BatchingExecutor.scala:58)	at akka.dispatch.TaskInvocation.run(AbstractDispatcher.scala:41)	at akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(AbstractDispatcher.scala:393)	at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)	at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339)	at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)	at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)