Hi! Thanks for reporting this.
I created a JIRA issue for it: https://issues.apache.org/jira/browse/FLINK-5407 We'll look into it as part of the 1.2 release testing. If you have any more details that may help diagnose/fix that, would be great if you could share them with us. Thanks, Stephan On Wed, Jan 4, 2017 at 10:52 AM, Yassine MARZOUGUI < y.marzou...@mindlytix.com> wrote: > Hi all, > > I tried to trigger a savepoint for a streaming job, both the savepoint and > the job failed. > > The job failed with the following exception: > > java.lang.RuntimeException: Error while triggering checkpoint for > IterationSource-7 (1/1) > at org.apache.flink.runtime.taskmanager.Task$3.run(Task.java:1026) > at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) > at java.util.concurrent.FutureTask.run(Unknown Source) > at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) > at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) > at java.lang.Thread.run(Unknown Source) > Caused by: java.lang.NullPointerException > at > org.apache.flink.streaming.runtime.tasks.StreamTask.createOperatorIdentifier(StreamTask.java:767) > at > org.apache.flink.streaming.runtime.tasks.StreamTask.access$500(StreamTask.java:115) > at > org.apache.flink.streaming.runtime.tasks.StreamTask$CheckpointingOperation.createStreamFactory(StreamTask.java:986) > at > org.apache.flink.streaming.runtime.tasks.StreamTask$CheckpointingOperation.executeCheckpointing(StreamTask.java:956) > at > org.apache.flink.streaming.runtime.tasks.StreamTask.checkpointState(StreamTask.java:583) > at > org.apache.flink.streaming.runtime.tasks.StreamTask.performCheckpoint(StreamTask.java:551) > at > org.apache.flink.streaming.runtime.tasks.StreamTask.triggerCheckpoint(StreamTask.java:511) > at org.apache.flink.runtime.taskmanager.Task$3.run(Task.java:1019) > ... 5 more > > > And the savepoint failed with the following exception: > > Using address /127.0.0.1:6123 to connect to JobManager. > Triggering savepoint for job 153310c4a836a92ce69151757c6b73f1. > Waiting for response... > > ------------------------------------------------------------ > The program finished with the following exception: > > java.lang.Exception: Failed to complete savepoint > at org.apache.flink.runtime.jobmanager.JobManager$$ > anonfun$handleMessage$1$$anon$7.apply(JobManager.scala:793) > at org.apache.flink.runtime.jobmanager.JobManager$$ > anonfun$handleMessage$1$$anon$7.apply(JobManager.scala:782) > at org.apache.flink.runtime.concurrent.impl.FlinkFuture$6. > recover(FlinkFuture.java:263) > at akka.dispatch.Recover.internal(Future.scala:267) > at akka.dispatch.japi$RecoverBridge.apply(Future.scala:183) > at akka.dispatch.japi$RecoverBridge.apply(Future.scala:181) > at scala.util.Failure$$anonfun$recover$1.apply(Try.scala:185) > at scala.util.Try$.apply(Try.scala:161) > at scala.util.Failure.recover(Try.scala:185) > at scala.concurrent.Future$$anonfun$recover$1.apply( > Future.scala:324) > at scala.concurrent.Future$$anonfun$recover$1.apply( > Future.scala:324) > at scala.concurrent.impl.CallbackRunnable.run(Promise.scala:32) > at akka.dispatch.BatchingExecutor$Batch$$ > 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$$anonfun$run$1.apply( > BatchingExecutor.scala:59) > at scala.concurrent.BlockContext$.withBlockContext( > BlockContext.scala:72) > at akka.dispatch.BatchingExecutor$Batch.run( > BatchingExecutor.scala:58) > at akka.dispatch.TaskInvocation.run(AbstractDispatcher.scala:41) > at akka.dispatch.ForkJoinExecutorConfigurator$ > AkkaForkJoinTask.exec(AbstractDispatcher.scala:401) > at scala.concurrent.forkjoin.ForkJoinTask.doExec( > ForkJoinTask.java:260) > at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue. > runTask(ForkJoinPool.java:1339) > at scala.concurrent.forkjoin.ForkJoinPool.runWorker( > ForkJoinPool.java:1979) > at scala.concurrent.forkjoin.ForkJoinWorkerThread.run( > ForkJoinWorkerThread.java:107) > Caused by: java.lang.Exception: Checkpoint failed: Checkpoint Coordinator > is shutting down > at org.apache.flink.runtime.checkpoint.PendingCheckpoint. > abortError(PendingCheckpoint.java:338) > at org.apache.flink.runtime.checkpoint.CheckpointCoordinator. > shutdown(CheckpointCoordinator.java:245) > at org.apache.flink.runtime.executiongraph.ExecutionGraph. > postRunCleanup(ExecutionGraph.java:1065) > at org.apache.flink.runtime.executiongraph.ExecutionGraph. > jobVertexInFinalState(ExecutionGraph.java:1034) > at org.apache.flink.runtime.executiongraph.ExecutionJobVertex. > subtaskInFinalState(ExecutionJobVertex.java:435) > at org.apache.flink.runtime.executiongraph.ExecutionJobVertex. > vertexCancelled(ExecutionJobVertex.java:407) > at org.apache.flink.runtime.executiongraph.ExecutionVertex. > executionCanceled(ExecutionVertex.java:593) > at org.apache.flink.runtime.executiongraph.Execution. > cancelingComplete(Execution.java:729) > at org.apache.flink.runtime.executiongraph.ExecutionGraph. > updateState(ExecutionGraph.java:1105) > at org.apache.flink.runtime.jobmanager.JobManager$$ > anonfun$handleMessage$1$$anonfun$applyOrElse$5.apply$ > mcV$sp(JobManager.scala:687) > at org.apache.flink.runtime.jobmanager.JobManager$$ > anonfun$handleMessage$1$$anonfun$applyOrElse$5.apply(JobManager.scala:686) > at org.apache.flink.runtime.jobmanager.JobManager$$ > anonfun$handleMessage$1$$anonfun$applyOrElse$5.apply(JobManager.scala:686) > at scala.concurrent.impl.Future$PromiseCompletingRunnable. > liftedTree1$1(Future.scala:24) > at scala.concurrent.impl.Future$PromiseCompletingRunnable.run( > Future.scala:24) > at akka.dispatch.TaskInvocation.run(AbstractDispatcher.scala:41) > at akka.dispatch.ForkJoinExecutorConfigurator$ > AkkaForkJoinTask.exec(AbstractDispatcher.scala:401) > 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) > ... 2 more > Caused by: java.lang.Exception: Checkpoint Coordinator is shutting down > ... 20 more > > Maybe worth mentionning : the iteration body contains MapFunction and its > thread was in a sleep state (put manually) during the savepoint. > I'm using Flink 1.2-SNAPSHOT (Commit: 5b54009) on Windows. > > Any idea why this happened? Thank you. > > Best, > Yassine > >
