Chesnay Schepler created FLINK-6682: ---------------------------------------
Summary: Improve error message in case parallelism exceeds maxParallelism Key: FLINK-6682 URL: https://issues.apache.org/jira/browse/FLINK-6682 Project: Flink Issue Type: Improvement Components: State Backends, Checkpointing Affects Versions: 1.3.0, 1.4.0 Reporter: Chesnay Schepler When restoring a job with a parallelism that exceeds the maxParallelism we're not providing a useful error message, as all you get is an IllegalArgumentException: {code} Caused by: org.apache.flink.runtime.client.JobExecutionException: Job execution failed at org.apache.flink.runtime.client.JobClient.awaitJobResult(JobClient.java:343) at org.apache.flink.runtime.client.JobClient.submitJobAndWait(JobClient.java:396) at org.apache.flink.client.program.ClusterClient.run(ClusterClient.java:467) ... 22 more Caused by: java.lang.IllegalArgumentException at org.apache.flink.util.Preconditions.checkArgument(Preconditions.java:123) at org.apache.flink.runtime.checkpoint.StateAssignmentOperation.createKeyGroupPartitions(StateAssignmentOperation.java:449) at org.apache.flink.runtime.checkpoint.StateAssignmentOperation.assignAttemptState(StateAssignmentOperation.java:117) at org.apache.flink.runtime.checkpoint.StateAssignmentOperation.assignStates(StateAssignmentOperation.java:102) at org.apache.flink.runtime.checkpoint.CheckpointCoordinator.restoreLatestCheckpointedState(CheckpointCoordinator.java:1038) at org.apache.flink.runtime.checkpoint.CheckpointCoordinator.restoreSavepoint(CheckpointCoordinator.java:1101) at org.apache.flink.runtime.jobmanager.JobManager$$anonfun$org$apache$flink$runtime$jobmanager$JobManager$$submitJob$1.apply$mcV$sp(JobManager.scala:1386) at org.apache.flink.runtime.jobmanager.JobManager$$anonfun$org$apache$flink$runtime$jobmanager$JobManager$$submitJob$1.apply(JobManager.scala:1372) at org.apache.flink.runtime.jobmanager.JobManager$$anonfun$org$apache$flink$runtime$jobmanager$JobManager$$submitJob$1.apply(JobManager.scala:1372) at scala.concurrent.impl.Future$PromiseCompletingRunnable.liftedTree1$1(Future.scala:24) at scala.concurrent.impl.Future$PromiseCompletingRunnable.run(Future.scala:24) at akka.dispatch.TaskInvocation.run(AbstractDispatcher.scala:40) at akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(AbstractDispatcher.scala:397) at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260) at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339) at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979) at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107) {code} -- This message was sent by Atlassian JIRA (v6.3.15#6346)