Hi I am running flink in dev mode through Intellij, I have flink-conf.yaml correctly configured and from the log you can see job manager is reading it.
2017-09-25 20:41:52.255 [main] INFO org.apache.flink.configuration.GlobalConfiguration - *Loading configuration property: state.backend, rocksdb* 2017-09-25 20:41:52.256 [main] INFO org.apache.flink.configuration.GlobalConfiguration - Loading configuration property: state.backend.fs.checkpointdir, /tmp/flink/checkpoints/ 2017-09-25 20:41:52.256 [main] INFO org.apache.flink.configuration.GlobalConfiguration - *Loading configuration property: state.checkpoints.dir, /tmp/flink/checkpoints-meta/* 2017-09-25 20:41:52.256 [main] INFO org.apache.flink.configuration.GlobalConfiguration - Loading configuration property: state.savepoints.dir, /tmp/flink/savepoints/ *But I still somehow get this error* java.lang.IllegalStateException: CheckpointConfig says to persist periodic checkpoints, but no checkpoint directory has been configured. You can configure configure one via key 'state.checkpoints.dir'. at org.apache.flink.runtime.checkpoint.CheckpointCoordinator.<init>(CheckpointCoordinator.java:209) at org.apache.flink.runtime.executiongraph.ExecutionGraph.enableCheckpointing(ExecutionGraph.java:451) at org.apache.flink.runtime.executiongraph.ExecutionGraphBuilder.buildGraph(ExecutionGraphBuilder.java:278) at org.apache.flink.runtime.jobmanager.JobManager.org $apache$flink$runtime$jobmanager$JobManager$$submitJob(JobManager.scala:1315) at org.apache.flink.runtime.jobmanager.JobManager$$anonfun$handleMessage$1.applyOrElse(JobManager.scala:495) at scala.runtime.AbstractPartialFunction.apply(AbstractPartialFunction.scala:36) at org.apache.flink.runtime.LeaderSessionMessageFilter$$anonfun$receive$1.applyOrElse(LeaderSessionMessageFilter.scala:38) at scala.runtime.AbstractPartialFunction.apply(AbstractPartialFunction.scala:36) at org.apache.flink.runtime.LogMessages$$anon$1.apply(LogMessages.scala:33) at org.apache.flink.runtime.LogMessages$$anon$1.apply(LogMessages.scala:28) at scala.PartialFunction$class.applyOrElse(PartialFunction.scala:123) at org.apache.flink.runtime.LogMessages$$anon$1.applyOrElse(LogMessages.scala:28) at akka.actor.Actor$class.aroundReceive(Actor.scala:467) at org.apache.flink.runtime.jobmanager.JobManager.aroundReceive(JobManager.scala:125) at akka.actor.ActorCell.receiveMessage(ActorCell.scala:516) at akka.actor.ActorCell.invoke(ActorCell.scala:487) at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:238) at akka.dispatch.Mailbox.run(Mailbox.scala:220) 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) *My program only has this related to checkpointing* val env = StreamExecutionEnvironment.*getExecutionEnvironment *env.getCheckpointConfig.enableExternalizedCheckpoints(ExternalizedCheckpointCleanup.RETAIN_ON_CANCELLATION)env.enableCheckpointing(2 * 60 * 1000) Need some help to dig through this. Thanks =================== Full log ================= 2017-09-25 20:41:51.466 [ForkJoinPool-1-worker-13] INFO com.zendesk.consul.Consul - Collecting kafka nodes from Consul(consul.docker:8500) for tags=List(dev) 2017-09-25 20:41:51.946 [main] INFO org.apache.flink.api.java.typeutils.TypeExtractor - class com.zendesk.fraud_prevention.data_types.MaxwellFilterEvents does not contain a setter for field events 2017-09-25 20:41:51.946 [main] INFO org.apache.flink.api.java.typeutils.TypeExtractor - class com.zendesk.fraud_prevention.data_types.MaxwellFilterEvents is not a valid POJO type because not all fields are valid POJO fields. 2017-09-25 20:41:51.985 [main] INFO org.apache.flink.api.java.typeutils.TypeExtractor - class com.zendesk.fraud_prevention.data_types.MaxwellFPSEvent does not contain a setter for field accountId 2017-09-25 20:41:51.985 [main] INFO org.apache.flink.api.java.typeutils.TypeExtractor - class com.zendesk.fraud_prevention.data_types.MaxwellFPSEvent is not a valid POJO type because not all fields are valid POJO fields. 2017-09-25 20:41:52.017 [ForkJoinPool-1-worker-13] INFO com.zendesk.consul.Consul - Collecting kafka nodes from Consul(consul.docker:8500) for tags=List(dev) 2017-09-25 20:41:52.198 [main] INFO o.a.flink.streaming.api.environment.LocalStreamEnvironment - Running job on local embedded Flink mini cluster 2017-09-25 20:41:52.253 [main] INFO org.apache.flink.configuration.GlobalConfiguration - Loading configuration property: jobmanager.rpc.address, localhost 2017-09-25 20:41:52.255 [main] INFO org.apache.flink.configuration.GlobalConfiguration - Loading configuration property: jobmanager.rpc.port, 6123 2017-09-25 20:41:52.255 [main] INFO org.apache.flink.configuration.GlobalConfiguration - Loading configuration property: jobmanager.web.port, 8081 2017-09-25 20:41:52.255 [main] INFO org.apache.flink.configuration.GlobalConfiguration - Loading configuration property: jobmanager.heap.mb, 1024 2017-09-25 20:41:52.255 [main] INFO org.apache.flink.configuration.GlobalConfiguration - Loading configuration property: taskmanager.heap.mb, 1024 2017-09-25 20:41:52.255 [main] INFO org.apache.flink.configuration.GlobalConfiguration - Loading configuration property: taskmanager.memory.preallocate, false 2017-09-25 20:41:52.255 [main] INFO org.apache.flink.configuration.GlobalConfiguration - Loading configuration property: taskmanager.numberOfTaskSlots, 1 2017-09-25 20:41:52.255 [main] INFO org.apache.flink.configuration.GlobalConfiguration - Loading configuration property: parallelism.default, 1 2017-09-25 20:41:52.255 [main] INFO org.apache.flink.configuration.GlobalConfiguration - Loading configuration property: fs.hdfs.hadoopconf, flink/conf 2017-09-25 20:41:52.255 [main] INFO org.apache.flink.configuration.GlobalConfiguration - Loading configuration property: state.backend, rocksdb 2017-09-25 20:41:52.256 [main] INFO org.apache.flink.configuration.GlobalConfiguration - Loading configuration property: state.backend.fs.checkpointdir, /tmp/flink/checkpoints/ 2017-09-25 20:41:52.256 [main] INFO org.apache.flink.configuration.GlobalConfiguration - Loading configuration property: state.checkpoints.dir, /tmp/flink/checkpoints-meta/ 2017-09-25 20:41:52.256 [main] INFO org.apache.flink.configuration.GlobalConfiguration - Loading configuration property: state.savepoints.dir, /tmp/flink/savepoints/ 2017-09-25 20:41:52.256 [main] INFO org.apache.flink.configuration.GlobalConfiguration - Loading configuration property: taskmanager.log.path, /tmp/flink_logs/flink_console.log 2017-09-25 20:41:52.256 [main] INFO org.apache.flink.configuration.GlobalConfiguration - Loading configuration property: jobmanager.web.log.path, /tmp/flink_logs/flink_console.log 2017-09-25 20:41:52.256 [main] INFO org.apache.flink.configuration.GlobalConfiguration - Loading configuration property: high-availability, zookeeper 2017-09-25 20:41:52.256 [main] INFO org.apache.flink.configuration.GlobalConfiguration - Loading configuration property: high-availability.zookeeper.quorum, 172.18.0.7:2181 2017-09-25 20:41:52.256 [main] INFO org.apache.flink.configuration.GlobalConfiguration - Loading configuration property: high-availability.zookeeper.path.root, /flink 2017-09-25 20:41:52.256 [main] INFO org.apache.flink.configuration.GlobalConfiguration - Loading configuration property: high-availability.zookeeper.path.cluster-id, /flink_default_ns 2017-09-25 20:41:52.256 [main] INFO org.apache.flink.configuration.GlobalConfiguration - Loading configuration property: high-availability.zookeeper.storageDir, /tmp/flink/ha-recovery 2017-09-25 20:41:52.257 [main] INFO org.apache.flink.runtime.minicluster.FlinkMiniCluster - Disabled queryable state server 2017-09-25 20:41:52.271 [main] INFO org.apache.flink.runtime.minicluster.FlinkMiniCluster - Starting FlinkMiniCluster. 2017-09-25 20:41:52.442 [flink-akka.actor.default-dispatcher-4] INFO akka.event.slf4j.Slf4jLogger - Slf4jLogger started 2017-09-25 20:41:52.472 [main] INFO org.apache.flink.runtime.blob.BlobServer - Created BLOB server storage directory /var/folders/37/6tz6x9x97d19_ltcm_1tl_f00000gp/T/blobStore-af52ff47-49d3-4307-bb4e-016c5e5d8a39 2017-09-25 20:41:52.477 [main] INFO org.apache.flink.runtime.blob.BlobServer - Started BLOB server at 0.0.0.0:56706 - max concurrent requests: 50 - max backlog: 1000 2017-09-25 20:41:52.487 [main] INFO org.apache.flink.runtime.metrics.MetricRegistry - No metrics reporter configured, no metrics will be exposed/reported. 2017-09-25 20:41:52.496 [flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.jobmanager.MemoryArchivist - Started memory archivist akka://flink/user/archive_1 2017-09-25 20:41:52.501 [flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.jobmanager.JobManager - Starting JobManager at akka://flink/user/jobmanager_1. 2017-09-25 20:41:52.501 [flink-akka.actor.default-dispatcher-3] INFO o.a.f.r.h.nonha.embedded.EmbeddedLeaderService - Proposing leadership to contender org.apache.flink.runtime.jobmanager.JobManager@5b4d1f99 @ akka://flink/user/jobmanager_1 2017-09-25 20:41:52.508 [main] INFO o.apache.flink.runtime.taskexecutor.TaskManagerConfiguration - Messages have a max timeout of 10000 ms 2017-09-25 20:41:52.514 [main] INFO org.apache.flink.runtime.taskexecutor.TaskManagerServices - Temporary file directory '/var/folders/37/6tz6x9x97d19_ltcm_1tl_f00000gp/T': total 464 GB, usable 61 GB (13.15% usable) 2017-09-25 20:41:52.590 [flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.jobmanager.JobManager - JobManager akka://flink/user/jobmanager_1 was granted leadership with leader session ID Some(d2f1c68f-2982-474f-8b7f-271d3f4e4192). 2017-09-25 20:41:52.592 [flink-akka.actor.default-dispatcher-2] INFO o.a.f.r.h.nonha.embedded.EmbeddedLeaderService - Received confirmation of leadership for leader akka://flink/user/jobmanager_1 , session=d2f1c68f-2982-474f-8b7f-271d3f4e4192 2017-09-25 20:41:52.602 [flink-akka.actor.default-dispatcher-2] INFO o.a.f.r.c.standalone.StandaloneResourceManager - Trying to associate with JobManager leader akka://flink/user/jobmanager_1 2017-09-25 20:41:52.610 [flink-akka.actor.default-dispatcher-3] INFO o.a.f.r.c.standalone.StandaloneResourceManager - Resource Manager associating with leading JobManager Actor[akka://flink/user/jobmanager_1#-1948249729] - leader session d2f1c68f-2982-474f-8b7f-271d3f4e4192 2017-09-25 20:41:52.899 [main] INFO org.apache.flink.runtime.io.network.buffer.NetworkBufferPool - Allocated 363 MB for network buffer pool (number of memory segments: 11620, bytes per segment: 32768). 2017-09-25 20:41:52.915 [main] INFO org.apache.flink.runtime.io.network.NetworkEnvironment - Starting the network environment and its components. 2017-09-25 20:41:52.917 [main] INFO org.apache.flink.runtime.taskexecutor.TaskManagerServices - Limiting managed memory to 1145 MB, memory will be allocated lazily. 2017-09-25 20:41:52.922 [main] INFO org.apache.flink.runtime.io.disk.iomanager.IOManager - I/O manager uses directory /var/folders/37/6tz6x9x97d19_ltcm_1tl_f00000gp/T/flink-io-698c06ae-3d56-4765-b9b8-8a5d8b70ffd6 for spill files. 2017-09-25 20:41:52.923 [main] INFO org.apache.flink.runtime.metrics.MetricRegistry - No metrics reporter configured, no metrics will be exposed/reported. 2017-09-25 20:41:52.963 [main] INFO org.apache.flink.runtime.filecache.FileCache - User file cache uses directory /var/folders/37/6tz6x9x97d19_ltcm_1tl_f00000gp/T/flink-dist-cache-a99429d5-981d-4cd0-9eeb-5d6678c650f0 2017-09-25 20:41:52.973 [flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.filecache.FileCache - User file cache uses directory /var/folders/37/6tz6x9x97d19_ltcm_1tl_f00000gp/T/flink-dist-cache-dd359949-3837-461c-accc-41ebc67a1d8f 2017-09-25 20:41:52.974 [flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskmanager.TaskManager - Starting TaskManager actor at akka://flink/user/taskmanager_1#1248014944. 2017-09-25 20:41:52.974 [flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskmanager.TaskManager - TaskManager data connection information: d7308d8350e736f55357e74e04f5c106 @ localhost (dataPort=-1) 2017-09-25 20:41:52.975 [flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskmanager.TaskManager - TaskManager has 8 task slot(s). 2017-09-25 20:41:52.976 [flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskmanager.TaskManager - Memory usage stats: [HEAP: 385/684/3641 MB, NON HEAP: 35/36/-1 MB (used/committed/max)] 2017-09-25 20:41:52.980 [flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskmanager.TaskManager - Trying to register at JobManager akka://flink/user/jobmanager_1 (attempt 1, timeout: 500 milliseconds) 2017-09-25 20:41:52.982 [flink-akka.actor.default-dispatcher-2] INFO o.a.f.r.c.standalone.StandaloneResourceManager - TaskManager d7308d8350e736f55357e74e04f5c106 has started. 2017-09-25 20:41:52.984 [flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.instance.InstanceManager - Registered TaskManager at localhost (akka://flink/user/taskmanager_1) as 8ad7f698f504d459202cdb8a9d6a9b34. Current number of registered hosts is 1. Current number of alive task slots is 8. 2017-09-25 20:41:52.987 [flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskmanager.TaskManager - Successful registration at JobManager (akka://flink/user/jobmanager_1), starting network stack and library cache. 2017-09-25 20:41:52.989 [flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskmanager.TaskManager - Determined BLOB server address to be localhost/127.0.0.1:56706. Starting BLOB cache. 2017-09-25 20:41:52.990 [flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.blob.BlobCache - Created BLOB cache storage directory /var/folders/37/6tz6x9x97d19_ltcm_1tl_f00000gp/T/blobStore-196b0de7-b951-4074-8865-a138283e66c1 2017-09-25 20:41:52.999 [flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.client.JobSubmissionClientActor - Received SubmitJobAndWait(JobGraph(jobId: 0f0d880310bc9098027c2e4877f999fb)) but there is no connection to a JobManager yet. 2017-09-25 20:41:52.999 [flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.client.JobSubmissionClientActor - Received job Kafka 0.10 Example development (0f0d880310bc9098027c2e4877f999fb). 2017-09-25 20:41:53.000 [flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.client.JobSubmissionClientActor - Disconnect from JobManager null. 2017-09-25 20:41:53.003 [flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.client.JobSubmissionClientActor - Connect to JobManager Actor[akka://flink/user/jobmanager_1#-1948249729]. 2017-09-25 20:41:53.003 [flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.client.JobSubmissionClientActor - Connected to JobManager at Actor[akka://flink/user/jobmanager_1#-1948249729] with leader session id d2f1c68f-2982-474f-8b7f-271d3f4e4192. 2017-09-25 20:41:53.004 [flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.client.JobSubmissionClientActor - Sending message to JobManager akka://flink/user/jobmanager_1 to submit job Kafka 0.10 Example development (0f0d880310bc9098027c2e4877f999fb) and wait for progress 2017-09-25 20:41:53.005 [flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.client.JobSubmissionClientActor - Upload jar files to job manager akka://flink/user/jobmanager_1. 2017-09-25 20:41:53.007 [flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.client.JobSubmissionClientActor - Submit job to the job manager akka://flink/user/jobmanager_1. 2017-09-25 20:41:53.009 [flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.jobmanager.JobManager - Submitting job 0f0d880310bc9098027c2e4877f999fb (Kafka 0.10 Example development). 2017-09-25 20:41:53.014 [flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.jobmanager.JobManager - Using restart strategy FixedDelayRestartStrategy(maxNumberRestartAttempts=1, delayBetweenRestartAttempts=10000) for 0f0d880310bc9098027c2e4877f999fb. 2017-09-25 20:41:53.025 [flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Job recovers via failover strategy: full graph restart 2017-09-25 20:41:53.055 [flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.jobmanager.JobManager - Running initialization on master for job Kafka 0.10 Example development (0f0d880310bc9098027c2e4877f999fb). 2017-09-25 20:41:53.055 [flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.jobmanager.JobManager - Successfully ran initialization on master in 0 ms. 2017-09-25 20:41:53.071 [flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.jobmanager.JobManager - No state backend has been configured, using default state backend (Memory / JobManager) 2017-09-25 20:41:53.078 [flink-akka.actor.default-dispatcher-2] ERROR org.apache.flink.runtime.jobmanager.JobManager - Failed to submit job 0f0d880310bc9098027c2e4877f999fb (Kafka 0.10 Example development) java.lang.IllegalStateException: CheckpointConfig says to persist periodic checkpoints, but no checkpoint directory has been configured. You can configure configure one via key 'state.checkpoints.dir'. at org.apache.flink.runtime.checkpoint.CheckpointCoordinator.<init>(CheckpointCoordinator.java:209) at org.apache.flink.runtime.executiongraph.ExecutionGraph.enableCheckpointing(ExecutionGraph.java:451) at org.apache.flink.runtime.executiongraph.ExecutionGraphBuilder.buildGraph(ExecutionGraphBuilder.java:278) at org.apache.flink.runtime.jobmanager.JobManager.org $apache$flink$runtime$jobmanager$JobManager$$submitJob(JobManager.scala:1315) at org.apache.flink.runtime.jobmanager.JobManager$$anonfun$handleMessage$1.applyOrElse(JobManager.scala:495) at scala.runtime.AbstractPartialFunction.apply(AbstractPartialFunction.scala:36) at org.apache.flink.runtime.LeaderSessionMessageFilter$$anonfun$receive$1.applyOrElse(LeaderSessionMessageFilter.scala:38) at scala.runtime.AbstractPartialFunction.apply(AbstractPartialFunction.scala:36) at org.apache.flink.runtime.LogMessages$$anon$1.apply(LogMessages.scala:33) at org.apache.flink.runtime.LogMessages$$anon$1.apply(LogMessages.scala:28) at scala.PartialFunction$class.applyOrElse(PartialFunction.scala:123) at org.apache.flink.runtime.LogMessages$$anon$1.applyOrElse(LogMessages.scala:28) at akka.actor.Actor$class.aroundReceive(Actor.scala:467) at org.apache.flink.runtime.jobmanager.JobManager.aroundReceive(JobManager.scala:125) at akka.actor.ActorCell.receiveMessage(ActorCell.scala:516) at akka.actor.ActorCell.invoke(ActorCell.scala:487) at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:238) at akka.dispatch.Mailbox.run(Mailbox.scala:220) 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) 2017-09-25 20:41:53.085 [flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.client.JobSubmissionClientActor - Terminate JobClientActor. 2017-09-25 20:41:53.085 [flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.client.JobSubmissionClientActor - Disconnect from JobManager Actor[akka://flink/user/jobmanager_1#-1948249729]. 2017-09-25 20:41:53.086 [main] INFO org.apache.flink.runtime.client.JobClient - Job execution failed 2017-09-25 20:41:53.086 [main] INFO org.apache.flink.runtime.minicluster.FlinkMiniCluster - Stopping FlinkMiniCluster. 2017-09-25 20:41:53.090 [flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskmanager.TaskManager - Stopping TaskManager akka://flink/user/taskmanager_1#1248014944. 2017-09-25 20:41:53.090 [flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.jobmanager.JobManager - Stopping JobManager akka://flink/user/jobmanager_1. 2017-09-25 20:41:53.091 [flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskmanager.TaskManager - Disassociating from JobManager 2017-09-25 20:41:53.093 [flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.blob.BlobCache - Shutting down BlobCache 2017-09-25 20:41:53.103 [flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.blob.BlobServer - Stopped BLOB server at 0.0.0.0:56706 2017-09-25 20:41:53.104 [flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.io.disk.iomanager.IOManager - I/O manager removed spill file directory /var/folders/37/6tz6x9x97d19_ltcm_1tl_f00000gp/T/flink-io-698c06ae-3d56-4765-b9b8-8a5d8b70ffd6 2017-09-25 20:41:53.104 [flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.io.network.NetworkEnvironment - Shutting down the network environment and its components. 2017-09-25 20:41:53.122 [flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskmanager.TaskManager - Task manager akka://flink/user/taskmanager_1 is completely shut down.
