Build failed in Jenkins: beam_PostCommit_Python_VR_Flink #446

[Apache Jenkins Server <je...@builds.apache.org>]

See <https://builds.apache.org/job/beam_PostCommit_Python_VR_Flink/446/display/redirect>

------------------------------------------
[...truncated 4.39 MB...]
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Registration at ResourceManager attempt 1 (timeout=100ms)
[flink-runner-job-server] WARN org.apache.flink.runtime.webmonitor.WebMonitorUtils - Log file environment variable 'log.file' is not set.
[flink-runner-job-server] WARN org.apache.flink.runtime.webmonitor.WebMonitorUtils - JobManager log files are unavailable in the web dashboard. Log file location not found in environment variable 'log.file' or configuration key 'Key: 'web.log.path' , default: null (deprecated keys: [jobmanager.web.log.path])'.
[flink-runner-job-server] INFO org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint - Failed to load web based job submission extension. Probable reason: flink-runtime-web is not in the classpath.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Successful registration at resource manager akka://flink/user/resourcemanager_05cf8248-ed2c-4639-9f70-4dd9a7f35d2c under registration id dcfdc13e984a73164d61290f842c0880.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.resourcemanager.slotmanager.SlotManager - Registering TaskManager 6e1d5025-9ee1-473e-b9a1-f0bd6dd9ea80 under dcfdc13e984a73164d61290f842c0880 at the SlotManager.
[flink-runner-job-server] INFO org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint - Rest endpoint listening at localhost:33257
[flink-runner-job-server] INFO org.apache.flink.runtime.highavailability.nonha.embedded.EmbeddedLeaderService - Proposing leadership to contender org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint@24b489a4 @ http://localhost:33257
[flink-runner-job-server] INFO org.apache.flink.runtime.minicluster.MiniCluster - Starting job dispatcher(s) for JobManger
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint - http://localhost:33257 was granted leadership with leaderSessionID=002b564a-7e2c-43a9-aeb1-5eebc324c182
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.highavailability.nonha.embedded.EmbeddedLeaderService - Received confirmation of leadership for leader http://localhost:33257 , session=002b564a-7e2c-43a9-aeb1-5eebc324c182
[flink-runner-job-server] INFO org.apache.flink.runtime.rpc.akka.AkkaRpcService - Starting RPC endpoint for org.apache.flink.runtime.dispatcher.StandaloneDispatcher at akka://flink/user/dispatcherbf7ae515-0b22-414a-87af-ede1c7a6b96c .
[flink-runner-job-server] INFO org.apache.flink.runtime.highavailability.nonha.embedded.EmbeddedLeaderService - Proposing leadership to contender org.apache.flink.runtime.dispatcher.StandaloneDispatcher@29eda501 @ akka://flink/user/dispatcherbf7ae515-0b22-414a-87af-ede1c7a6b96c
[flink-runner-job-server] INFO org.apache.flink.runtime.minicluster.MiniCluster - Flink Mini Cluster started successfully
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Dispatcher akka://flink/user/dispatcherbf7ae515-0b22-414a-87af-ede1c7a6b96c was granted leadership with fencing token f9974e9d-f3d6-47ce-a023-8f0936bbdc2b
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Recovering all persisted jobs.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.highavailability.nonha.embedded.EmbeddedLeaderService - Received confirmation of leadership for leader akka://flink/user/dispatcherbf7ae515-0b22-414a-87af-ede1c7a6b96c , session=f9974e9d-f3d6-47ce-a023-8f0936bbdc2b
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Submitting job b7d4cf3922aa61265ca3049099c0e228 (test_windowing_1540102285.92).
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.rpc.akka.AkkaRpcService - Starting RPC endpoint for org.apache.flink.runtime.jobmaster.JobMaster at akka://flink/user/jobmanager_39 .
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.jobmaster.JobMaster - Initializing job test_windowing_1540102285.92 (b7d4cf3922aa61265ca3049099c0e228).
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.jobmaster.JobMaster - Using restart strategy NoRestartStrategy for test_windowing_1540102285.92 (b7d4cf3922aa61265ca3049099c0e228).
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.rpc.akka.AkkaRpcService - Starting RPC endpoint for org.apache.flink.runtime.jobmaster.slotpool.SlotPool at akka://flink/user/7f5fcd86-aa28-484a-a6f9-75471c60fcdf .
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Job recovers via failover strategy: full graph restart
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.jobmaster.JobMaster - Running initialization on master for job test_windowing_1540102285.92 (b7d4cf3922aa61265ca3049099c0e228).
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.jobmaster.JobMaster - Successfully ran initialization on master in 0 ms.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.jobmaster.JobMaster - No state backend has been configured, using default (Memory / JobManager) MemoryStateBackend (data in heap memory / checkpoints to JobManager) (checkpoints: 'null', savepoints: 'null', asynchronous: TRUE, maxStateSize: 5242880)
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.highavailability.nonha.embedded.EmbeddedLeaderService - Proposing leadership to contender org.apache.flink.runtime.jobmaster.JobManagerRunner@489c0957 @ akka://flink/user/jobmanager_39
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.jobmaster.JobManagerRunner - JobManager runner for job test_windowing_1540102285.92 (b7d4cf3922aa61265ca3049099c0e228) was granted leadership with session id 15b3e1eb-3dbc-4c0c-b923-75e92270dbe0 at akka://flink/user/jobmanager_39.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.jobmaster.JobMaster - Starting execution of job test_windowing_1540102285.92 (b7d4cf3922aa61265ca3049099c0e228)
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Job test_windowing_1540102285.92 (b7d4cf3922aa61265ca3049099c0e228) switched from state CREATED to RUNNING.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (9ea852776bd0a1b33e299d339279f86f) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (dc07e65b0b17b550e489d22d06b73e9b) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.jobmaster.slotpool.SlotPool - Cannot serve slot request, no ResourceManager connected. Adding as pending request [SlotRequestId{97817326099527a938e2e1658558031f}]
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (e47ef7df735c6cf1d4e2ab5ee36d5b91) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (7d75ef5551a5d5f306f637577bb258f1) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - ToKeyedWorkItem (1/1) (f6a44fe6dc33e1f46384cd970d5c883f) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (03470d21c9e7c5c875e24fcdfbadc295) switched from CREATED to SCHEDULED.
[jobmanager-future-thread-1] INFO org.apache.flink.runtime.highavailability.nonha.embedded.EmbeddedLeaderService - Received confirmation of leadership for leader akka://flink/user/jobmanager_39 , session=15b3e1eb-3dbc-4c0c-b923-75e92270dbe0
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.jobmaster.JobMaster - Connecting to ResourceManager akka://flink/user/resourcemanager_05cf8248-ed2c-4639-9f70-4dd9a7f35d2c(aca86915a34e6bbbfb95f8f70d2948e1)
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.jobmaster.JobMaster - Resolved ResourceManager address, beginning registration
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.jobmaster.JobMaster - Registration at ResourceManager attempt 1 (timeout=100ms)
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.resourcemanager.StandaloneResourceManager - Registering job manager b92375e92270dbe015b3e1eb3dbc4c0c@akka://flink/user/jobmanager_39 for job b7d4cf3922aa61265ca3049099c0e228.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.resourcemanager.StandaloneResourceManager - Registered job manager b92375e92270dbe015b3e1eb3dbc4c0c@akka://flink/user/jobmanager_39 for job b7d4cf3922aa61265ca3049099c0e228.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.jobmaster.JobMaster - JobManager successfully registered at ResourceManager, leader id: aca86915a34e6bbbfb95f8f70d2948e1.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.jobmaster.slotpool.SlotPool - Requesting new slot [SlotRequestId{97817326099527a938e2e1658558031f}] and profile ResourceProfile{cpuCores=-1.0, heapMemoryInMB=-1, directMemoryInMB=0, nativeMemoryInMB=0, networkMemoryInMB=0} from resource manager.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.resourcemanager.StandaloneResourceManager - Request slot with profile ResourceProfile{cpuCores=-1.0, heapMemoryInMB=-1, directMemoryInMB=0, nativeMemoryInMB=0, networkMemoryInMB=0} for job b7d4cf3922aa61265ca3049099c0e228 with allocation id AllocationID{24c21d8d11d54b2d9415ad23a35031c7}.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Receive slot request AllocationID{24c21d8d11d54b2d9415ad23a35031c7} for job b7d4cf3922aa61265ca3049099c0e228 from resource manager with leader id aca86915a34e6bbbfb95f8f70d2948e1.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Allocated slot for AllocationID{24c21d8d11d54b2d9415ad23a35031c7}.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Add job b7d4cf3922aa61265ca3049099c0e228 for job leader monitoring.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Try to register at job manager akka://flink/user/jobmanager_39 with leader id 15b3e1eb-3dbc-4c0c-b923-75e92270dbe0.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Resolved JobManager address, beginning registration
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Registration at JobManager attempt 1 (timeout=100ms)
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Successful registration at job manager akka://flink/user/jobmanager_39 for job b7d4cf3922aa61265ca3049099c0e228.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Establish JobManager connection for job b7d4cf3922aa61265ca3049099c0e228.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Offer reserved slots to the leader of job b7d4cf3922aa61265ca3049099c0e228.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Activate slot AllocationID{24c21d8d11d54b2d9415ad23a35031c7}.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (dc07e65b0b17b550e489d22d06b73e9b) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (9ea852776bd0a1b33e299d339279f86f) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (e47ef7df735c6cf1d4e2ab5ee36d5b91) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1).
[Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (dc07e65b0b17b550e489d22d06b73e9b) switched from CREATED to DEPLOYING.
[Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (dc07e65b0b17b550e489d22d06b73e9b) [DEPLOYING]
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (7d75ef5551a5d5f306f637577bb258f1) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1).
[Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (dc07e65b0b17b550e489d22d06b73e9b) [DEPLOYING].
[Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (9ea852776bd0a1b33e299d339279f86f) switched from CREATED to DEPLOYING.
[Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (9ea852776bd0a1b33e299d339279f86f) [DEPLOYING]
[Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (9ea852776bd0a1b33e299d339279f86f) [DEPLOYING].
[Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (9ea852776bd0a1b33e299d339279f86f) [DEPLOYING].
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - ToKeyedWorkItem (1/1) (f6a44fe6dc33e1f46384cd970d5c883f) switched from SCHEDULED to DEPLOYING.
[Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (dc07e65b0b17b550e489d22d06b73e9b) [DEPLOYING].
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying ToKeyedWorkItem (1/1) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1).
[Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (e47ef7df735c6cf1d4e2ab5ee36d5b91) switched from CREATED to DEPLOYING.
[Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (e47ef7df735c6cf1d4e2ab5ee36d5b91) [DEPLOYING]
[Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (e47ef7df735c6cf1d4e2ab5ee36d5b91) [DEPLOYING].
[Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (e47ef7df735c6cf1d4e2ab5ee36d5b91) [DEPLOYING].
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1).
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (03470d21c9e7c5c875e24fcdfbadc295) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (attempt #0) to localhost
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (7d75ef5551a5d5f306f637577bb258f1) switched from CREATED to DEPLOYING.
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (7d75ef5551a5d5f306f637577bb258f1) [DEPLOYING]
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (7d75ef5551a5d5f306f637577bb258f1) [DEPLOYING].
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (7d75ef5551a5d5f306f637577bb258f1) [DEPLOYING].
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task ToKeyedWorkItem (1/1).
[Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (9ea852776bd0a1b33e299d339279f86f) switched from DEPLOYING to RUNNING.
[Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.streaming.runtime.tasks.StreamTask - No state backend has been configured, using default (Memory / JobManager) MemoryStateBackend (data in heap memory / checkpoints to JobManager) (checkpoints: 'null', savepoints: 'null', asynchronous: TRUE, maxStateSize: 5242880)
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (9ea852776bd0a1b33e299d339279f86f) switched from DEPLOYING to RUNNING.
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - ToKeyedWorkItem (1/1) (f6a44fe6dc33e1f46384cd970d5c883f) switched from CREATED to DEPLOYING.
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task ToKeyedWorkItem (1/1) (f6a44fe6dc33e1f46384cd970d5c883f) [DEPLOYING]
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task ToKeyedWorkItem (1/1) (f6a44fe6dc33e1f46384cd970d5c883f) [DEPLOYING].
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: ToKeyedWorkItem (1/1) (f6a44fe6dc33e1f46384cd970d5c883f) [DEPLOYING].
[Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (e47ef7df735c6cf1d4e2ab5ee36d5b91) switched from DEPLOYING to RUNNING.
[Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.streaming.runtime.tasks.StreamTask - No state backend has been configured, using default (Memory / JobManager) MemoryStateBackend (data in heap memory / checkpoints to JobManager) (checkpoints: 'null', savepoints: 'null', asynchronous: TRUE, maxStateSize: 5242880)
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (e47ef7df735c6cf1d4e2ab5ee36d5b91) switched from DEPLOYING to RUNNING.
[Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (dc07e65b0b17b550e489d22d06b73e9b) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1).
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (dc07e65b0b17b550e489d22d06b73e9b) switched from DEPLOYING to RUNNING.
[Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.streaming.runtime.tasks.StreamTask - No state backend has been configured, using default (Memory / JobManager) MemoryStateBackend (data in heap memory / checkpoints to JobManager) (checkpoints: 'null', savepoints: 'null', asynchronous: TRUE, maxStateSize: 5242880)
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (7d75ef5551a5d5f306f637577bb258f1) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (7d75ef5551a5d5f306f637577bb258f1) switched from DEPLOYING to RUNNING.
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.streaming.runtime.tasks.StreamTask - No state backend has been configured, using default (Memory / JobManager) MemoryStateBackend (data in heap memory / checkpoints to JobManager) (checkpoints: 'null', savepoints: 'null', asynchronous: TRUE, maxStateSize: 5242880)
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (03470d21c9e7c5c875e24fcdfbadc295) switched from CREATED to DEPLOYING.
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (03470d21c9e7c5c875e24fcdfbadc295) [DEPLOYING]
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (03470d21c9e7c5c875e24fcdfbadc295) [DEPLOYING].
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (03470d21c9e7c5c875e24fcdfbadc295) [DEPLOYING].
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (03470d21c9e7c5c875e24fcdfbadc295) switched from DEPLOYING to RUNNING.
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.streaming.runtime.tasks.StreamTask - No state backend has been configured, using default (Memory / JobManager) MemoryStateBackend (data in heap memory / checkpoints to JobManager) (checkpoints: 'null', savepoints: 'null', asynchronous: TRUE, maxStateSize: 5242880)
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (03470d21c9e7c5c875e24fcdfbadc295) switched from DEPLOYING to RUNNING.
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - ToKeyedWorkItem (1/1) (f6a44fe6dc33e1f46384cd970d5c883f) switched from DEPLOYING to RUNNING.
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.streaming.runtime.tasks.StreamTask - No state backend has been configured, using default (Memory / JobManager) MemoryStateBackend (data in heap memory / checkpoints to JobManager) (checkpoints: 'null', savepoints: 'null', asynchronous: TRUE, maxStateSize: 5242880)
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - ToKeyedWorkItem (1/1) (f6a44fe6dc33e1f46384cd970d5c883f) switched from DEPLOYING to RUNNING.
[Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] WARN org.apache.flink.metrics.MetricGroup - The operator name 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 exceeded the 80 characters length limit and was truncated.
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.state.heap.HeapKeyedStateBackend - Initializing heap keyed state backend with stream factory.
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.state.heap.HeapKeyedStateBackend - Initializing heap keyed state backend with stream factory.
[Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.state.heap.HeapKeyedStateBackend - Initializing heap keyed state backend with stream factory.
[Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] WARN org.apache.beam.runners.fnexecution.environment.DockerCommand - Unable to pull docker image jenkins-docker-apache.bintray.io/beam/python:latest, cause: Received exit code 1 for command 'docker pull jenkins-docker-apache.bintray.io/beam/python:latest'. stderr: Error response from daemon: unknown: Repo 'apache' was not found
[grpc-default-executor-1] INFO org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactRetrievalService - GetManifest for /tmp/flinktestEkMbrN/job_98b7f234-c1df-461c-8010-bad1c7751f19/MANIFEST
[grpc-default-executor-1] INFO org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactRetrievalService - Loading manifest for retrieval token /tmp/flinktestEkMbrN/job_98b7f234-c1df-461c-8010-bad1c7751f19/MANIFEST
[grpc-default-executor-1] INFO org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactRetrievalService - Manifest at /tmp/flinktestEkMbrN/job_98b7f234-c1df-461c-8010-bad1c7751f19/MANIFEST has 0 artifact locations
[grpc-default-executor-1] INFO org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactRetrievalService - GetManifest for /tmp/flinktestEkMbrN/job_98b7f234-c1df-461c-8010-bad1c7751f19/MANIFEST -> 0 artifacts
[grpc-default-executor-1] INFO org.apache.beam.runners.fnexecution.logging.GrpcLoggingService - Beam Fn Logging client connected.
[grpc-default-executor-1] INFO sdk_worker_main.main - Logging handler created.
[grpc-default-executor-1] INFO sdk_worker_main.start - Status HTTP server running at localhost:34971
[grpc-default-executor-1] INFO sdk_worker_main.main - semi_persistent_directory: /tmp
[grpc-default-executor-1] WARN sdk_worker_main._load_main_session - No session file found: /tmp/staged/pickled_main_session. Functions defined in __main__ (interactive session) may fail. 
[grpc-default-executor-1] INFO pipeline_options.get_all_options - Parsing unknown args: [u'--options_id=20', u'--direct_runner_use_stacked_bundle', u'--pipeline_type_check', u'--sdk_worker_parallelism=pipeline']
[grpc-default-executor-1] INFO sdk_worker_main.main - Python sdk harness started with pipeline_options: {'runner': u'None', 'streaming': True, 'experiments': [u'beam_fn_api'], 'sdk_location': u'container', 'flink_master': '[auto]', 'direct_runner_use_stacked_bundle': None, 'sdk_worker_parallelism': u'pipeline', 'job_name': u'test_windowing_1540102285.92', 'options_id': u'20', 'pipeline_type_check': None, 'parallelism': 1, 'job_endpoint': u'localhost:49603'}
[grpc-default-executor-1] INFO sdk_worker.__init__ - Creating insecure control channel.
[grpc-default-executor-1] INFO sdk_worker.__init__ - Control channel established.
[grpc-default-executor-1] INFO sdk_worker.__init__ - Initializing SDKHarness with 12 workers.
[grpc-default-executor-1] INFO org.apache.beam.runners.fnexecution.control.FnApiControlClientPoolService - Beam Fn Control client connected with id 1
[grpc-default-executor-1] INFO sdk_worker.create_state_handler - Creating channel for localhost:44795
[grpc-default-executor-1] INFO data_plane.create_data_channel - Creating channel for localhost:37637
[grpc-default-executor-1] INFO org.apache.beam.runners.fnexecution.data.GrpcDataService - Beam Fn Data client connected.
[Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (dc07e65b0b17b550e489d22d06b73e9b) switched from RUNNING to FINISHED.
[Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (dc07e65b0b17b550e489d22d06b73e9b).
[Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (dc07e65b0b17b550e489d22d06b73e9b) [FINISHED]
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 dc07e65b0b17b550e489d22d06b73e9b.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (dc07e65b0b17b550e489d22d06b73e9b) switched from RUNNING to FINISHED.
[Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (9ea852776bd0a1b33e299d339279f86f) switched from RUNNING to FINISHED.
[Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (9ea852776bd0a1b33e299d339279f86f).
[Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (9ea852776bd0a1b33e299d339279f86f) [FINISHED]
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem 9ea852776bd0a1b33e299d339279f86f.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (9ea852776bd0a1b33e299d339279f86f) switched from RUNNING to FINISHED.
[Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (e47ef7df735c6cf1d4e2ab5ee36d5b91) switched from RUNNING to FINISHED.
[Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (e47ef7df735c6cf1d4e2ab5ee36d5b91).
[Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (e47ef7df735c6cf1d4e2ab5ee36d5b91) [FINISHED]
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem e47ef7df735c6cf1d4e2ab5ee36d5b91.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (e47ef7df735c6cf1d4e2ab5ee36d5b91) switched from RUNNING to FINISHED.
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (7d75ef5551a5d5f306f637577bb258f1) switched from RUNNING to FINISHED.
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (7d75ef5551a5d5f306f637577bb258f1).
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (7d75ef5551a5d5f306f637577bb258f1) [FINISHED]
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 7d75ef5551a5d5f306f637577bb258f1.
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - ToKeyedWorkItem (1/1) (f6a44fe6dc33e1f46384cd970d5c883f) switched from RUNNING to FINISHED.
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for ToKeyedWorkItem (1/1) (f6a44fe6dc33e1f46384cd970d5c883f).
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task ToKeyedWorkItem (1/1) (f6a44fe6dc33e1f46384cd970d5c883f) [FINISHED]
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task ToKeyedWorkItem f6a44fe6dc33e1f46384cd970d5c883f.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (7d75ef5551a5d5f306f637577bb258f1) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - ToKeyedWorkItem (1/1) (f6a44fe6dc33e1f46384cd970d5c883f) switched from RUNNING to FINISHED.
[grpc-default-executor-0] INFO sdk_worker.run - No more requests from control plane
[grpc-default-executor-0] INFO sdk_worker.run - SDK Harness waiting for in-flight requests to complete
[grpc-default-executor-0] WARN org.apache.beam.sdk.fn.data.BeamFnDataGrpcMultiplexer - Hanged up for unknown endpoint.
[grpc-default-executor-1] INFO data_plane.close - Closing all cached grpc data channels.
[grpc-default-executor-1] INFO sdk_worker.close - Closing all cached gRPC state handlers.
[grpc-default-executor-1] INFO sdk_worker.run - Done consuming work.
[grpc-default-executor-1] INFO sdk_worker_main.main - Python sdk harness exiting.
[grpc-default-executor-1] INFO org.apache.beam.runners.fnexecution.logging.GrpcLoggingService - Logging client hanged up.
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] WARN org.apache.beam.sdk.fn.data.BeamFnDataGrpcMultiplexer - Hanged up for unknown endpoint.
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (03470d21c9e7c5c875e24fcdfbadc295) switched from RUNNING to FINISHED.
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (03470d21c9e7c5c875e24fcdfbadc295).
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (03470d21c9e7c5c875e24fcdfbadc295) [FINISHED]
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 03470d21c9e7c5c875e24fcdfbadc295.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (03470d21c9e7c5c875e24fcdfbadc295) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Job test_windowing_1540102285.92 (b7d4cf3922aa61265ca3049099c0e228) switched from state RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.checkpoint.CheckpointCoordinator - Stopping checkpoint coordinator for job b7d4cf3922aa61265ca3049099c0e228.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.checkpoint.StandaloneCompletedCheckpointStore - Shutting down
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Job b7d4cf3922aa61265ca3049099c0e228 reached globally terminal state FINISHED.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.jobmaster.JobMaster - Stopping the JobMaster for job test_windowing_1540102285.92(b7d4cf3922aa61265ca3049099c0e228).
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Close JobManager connection for job b7d4cf3922aa61265ca3049099c0e228.
[flink-runner-job-server] INFO org.apache.flink.runtime.minicluster.MiniCluster - Shutting down Flink Mini Cluster
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.jobmaster.JobMaster - Close ResourceManager connection 4d0b91651e5f7b6fade203827dd78e6b: JobManager is shutting down..
[flink-runner-job-server] INFO org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint - Shutting down rest endpoint.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.jobmaster.slotpool.SlotPool - Suspending SlotPool.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.jobmaster.slotpool.SlotPool - Stopping SlotPool.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Stopping dispatcher akka://flink/user/dispatcherbf7ae515-0b22-414a-87af-ede1c7a6b96c.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Stopping all currently running jobs of dispatcher akka://flink/user/dispatcherbf7ae515-0b22-414a-87af-ede1c7a6b96c.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.resourcemanager.StandaloneResourceManager - Disconnect job manager b92375e92270dbe015b3e1eb3dbc4c0c@akka://flink/user/jobmanager_39 for job b7d4cf3922aa61265ca3049099c0e228 from the resource manager.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.resourcemanager.slotmanager.SlotManager - Closing the SlotManager.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.resourcemanager.slotmanager.SlotManager - Suspending the SlotManager.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.resourcemanager.slotmanager.SlotManager - Unregister TaskManager dcfdc13e984a73164d61290f842c0880 from the SlotManager.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - JobManager for job b7d4cf3922aa61265ca3049099c0e228 with leader id b92375e92270dbe015b3e1eb3dbc4c0c lost leadership.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Stopping TaskExecutor akka://flink/user/taskmanager_38.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.state.TaskExecutorLocalStateStoresManager - Shutting down TaskExecutorLocalStateStoresManager.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.io.disk.iomanager.IOManager - I/O manager removed spill file directory /tmp/flink-io-89d95392-6b15-4e52-8c82-7319c20a2d59
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.io.network.NetworkEnvironment - Shutting down the network environment and its components.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.rest.handler.legacy.backpressure.StackTraceSampleCoordinator - Shutting down stack trace sample coordinator.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Stopped dispatcher akka://flink/user/dispatcherbf7ae515-0b22-414a-87af-ede1c7a6b96c.
[ForkJoinPool.commonPool-worker-2] INFO org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint - Removing cache directory /tmp/flink-web-ui
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Stop job leader service.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Stopped TaskExecutor akka://flink/user/taskmanager_38.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.rpc.akka.AkkaRpcService - Stopping Akka RPC service.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.blob.PermanentBlobCache - Shutting down BLOB cache
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.blob.TransientBlobCache - Shutting down BLOB cache
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.blob.BlobServer - Stopped BLOB server at 0.0.0.0:38819
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.rpc.akka.AkkaRpcService - Stopped Akka RPC service.
[flink-runner-job-server] INFO org.apache.beam.runners.flink.FlinkRunner - Execution finished in 2152 msecs
[flink-runner-job-server] INFO org.apache.beam.runners.flink.FlinkRunner - Final accumulator values:
[flink-runner-job-server] INFO org.apache.beam.runners.flink.FlinkRunner - __metricscontainers : org.apache.beam.runners.core.metrics.MetricsContainerStepMap@742a8f15
.
----------------------------------------------------------------------
Ran 26 tests in 84.553s

OK (skipped=8)
Segmentation fault (core dumped)

> Task :beam-sdks-python:flinkCompatibilityMatrixStreamingDOCKER FAILED
:beam-sdks-python:flinkCompatibilityMatrixStreamingDOCKER (Thread[Task worker for ':' Thread 2,5,main]) completed. Took 1 mins 26.924 secs.

FAILURE: Build failed with an exception.

* Where:
Build file '<https://builds.apache.org/job/beam_PostCommit_Python_VR_Flink/ws/src/sdks/python/build.gradle'> line: 367

* What went wrong:
Execution failed for task ':beam-sdks-python:flinkCompatibilityMatrixStreamingDOCKER'.
> Process 'command 'sh'' finished with non-zero exit value 139

* Try:
Run with --stacktrace option to get the stack trace. Run with --debug option to get more log output. Run with --scan to get full insights.

* Get more help at https://help.gradle.org

Deprecated Gradle features were used in this build, making it incompatible with Gradle 5.0.
Use '--warning-mode all' to show the individual deprecation warnings.
See https://docs.gradle.org/4.10.2/userguide/command_line_interface.html#sec:command_line_warnings

BUILD FAILED in 11m 22s
61 actionable tasks: 56 executed, 4 from cache, 1 up-to-date

Publishing build scan...
https://gradle.com/s/it5n2j5f2cxus

Build step 'Invoke Gradle script' changed build result to FAILURE
Build step 'Invoke Gradle script' marked build as failure

Jenkins build is back to normal : beam_PostCommit_Python_VR_Flink #450

[Apache Jenkins Server <je...@builds.apache.org>]

See <https://builds.apache.org/job/beam_PostCommit_Python_VR_Flink/450/display/redirect>

Build failed in Jenkins: beam_PostCommit_Python_VR_Flink #449

[Apache Jenkins Server <je...@builds.apache.org>]

See <https://builds.apache.org/job/beam_PostCommit_Python_VR_Flink/449/display/redirect>

------------------------------------------
[...truncated 4.40 MB...]
[flink-runner-job-server] WARN org.apache.flink.runtime.webmonitor.WebMonitorUtils - JobManager log files are unavailable in the web dashboard. Log file location not found in environment variable 'log.file' or configuration key 'Key: 'web.log.path' , default: null (deprecated keys: [jobmanager.web.log.path])'.
[flink-runner-job-server] INFO org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint - Failed to load web based job submission extension. Probable reason: flink-runtime-web is not in the classpath.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Resolved ResourceManager address, beginning registration
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Registration at ResourceManager attempt 1 (timeout=100ms)
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Successful registration at resource manager akka://flink/user/resourcemanager_58c761df-e331-44be-a1f5-f9cc7ccce80f under registration id 561a3dbbe4f3065dc4e2978c221f0cb3.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.resourcemanager.slotmanager.SlotManager - Registering TaskManager ef0cde23-560f-4ade-a54a-e2295059dc07 under 561a3dbbe4f3065dc4e2978c221f0cb3 at the SlotManager.
[flink-runner-job-server] INFO org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint - Rest endpoint listening at localhost:37709
[flink-runner-job-server] INFO org.apache.flink.runtime.highavailability.nonha.embedded.EmbeddedLeaderService - Proposing leadership to contender org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint@aaad2e8 @ http://localhost:37709
[flink-runner-job-server] INFO org.apache.flink.runtime.minicluster.MiniCluster - Starting job dispatcher(s) for JobManger
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint - http://localhost:37709 was granted leadership with leaderSessionID=59b92254-d412-4846-a1e8-c50fe9bd349d
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.highavailability.nonha.embedded.EmbeddedLeaderService - Received confirmation of leadership for leader http://localhost:37709 , session=59b92254-d412-4846-a1e8-c50fe9bd349d
[flink-runner-job-server] INFO org.apache.flink.runtime.rpc.akka.AkkaRpcService - Starting RPC endpoint for org.apache.flink.runtime.dispatcher.StandaloneDispatcher at akka://flink/user/dispatcher31108a06-18de-4780-8bf6-66d3bdfe2ba3 .
[flink-runner-job-server] INFO org.apache.flink.runtime.highavailability.nonha.embedded.EmbeddedLeaderService - Proposing leadership to contender org.apache.flink.runtime.dispatcher.StandaloneDispatcher@583dece7 @ akka://flink/user/dispatcher31108a06-18de-4780-8bf6-66d3bdfe2ba3
[flink-runner-job-server] INFO org.apache.flink.runtime.minicluster.MiniCluster - Flink Mini Cluster started successfully
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Dispatcher akka://flink/user/dispatcher31108a06-18de-4780-8bf6-66d3bdfe2ba3 was granted leadership with fencing token 6cd63f77-a780-4a24-9615-6bbe99319491
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Recovering all persisted jobs.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.highavailability.nonha.embedded.EmbeddedLeaderService - Received confirmation of leadership for leader akka://flink/user/dispatcher31108a06-18de-4780-8bf6-66d3bdfe2ba3 , session=6cd63f77-a780-4a24-9615-6bbe99319491
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Submitting job f9f2924f3758c9ab69f4c08a87bda6b6 (test_windowing_1540167068.85).
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.rpc.akka.AkkaRpcService - Starting RPC endpoint for org.apache.flink.runtime.jobmaster.JobMaster at akka://flink/user/jobmanager_39 .
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.jobmaster.JobMaster - Initializing job test_windowing_1540167068.85 (f9f2924f3758c9ab69f4c08a87bda6b6).
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.jobmaster.JobMaster - Using restart strategy NoRestartStrategy for test_windowing_1540167068.85 (f9f2924f3758c9ab69f4c08a87bda6b6).
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.rpc.akka.AkkaRpcService - Starting RPC endpoint for org.apache.flink.runtime.jobmaster.slotpool.SlotPool at akka://flink/user/ead3425c-9f61-40de-929f-f5a7aecab7c4 .
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Job recovers via failover strategy: full graph restart
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.jobmaster.JobMaster - Running initialization on master for job test_windowing_1540167068.85 (f9f2924f3758c9ab69f4c08a87bda6b6).
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.jobmaster.JobMaster - Successfully ran initialization on master in 0 ms.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.jobmaster.JobMaster - No state backend has been configured, using default (Memory / JobManager) MemoryStateBackend (data in heap memory / checkpoints to JobManager) (checkpoints: 'null', savepoints: 'null', asynchronous: TRUE, maxStateSize: 5242880)
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.highavailability.nonha.embedded.EmbeddedLeaderService - Proposing leadership to contender org.apache.flink.runtime.jobmaster.JobManagerRunner@4f002c13 @ akka://flink/user/jobmanager_39
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.jobmaster.JobManagerRunner - JobManager runner for job test_windowing_1540167068.85 (f9f2924f3758c9ab69f4c08a87bda6b6) was granted leadership with session id c0b19cbf-3e73-4c72-9c05-04178e60fbc2 at akka://flink/user/jobmanager_39.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.jobmaster.JobMaster - Starting execution of job test_windowing_1540167068.85 (f9f2924f3758c9ab69f4c08a87bda6b6)
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Job test_windowing_1540167068.85 (f9f2924f3758c9ab69f4c08a87bda6b6) switched from state CREATED to RUNNING.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (4fec90af450e4caac5564d70a98c6300) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (7c63129a70a1e8d7fa985433fd7f14c0) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (6f42f75f0252cab6f2333fd790e5ad9f) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (a09cf03e68a9c764e3685ef12bfec438) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - ToKeyedWorkItem (1/1) (e8b1583062e2ada48926a2e79bb1bb6a) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.jobmaster.slotpool.SlotPool - Cannot serve slot request, no ResourceManager connected. Adding as pending request [SlotRequestId{9d4710a894ea45180905042d85997f6a}]
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (971e0d7d8e08c8d63453f2e1a3491bc4) switched from CREATED to SCHEDULED.
[jobmanager-future-thread-1] INFO org.apache.flink.runtime.highavailability.nonha.embedded.EmbeddedLeaderService - Received confirmation of leadership for leader akka://flink/user/jobmanager_39 , session=c0b19cbf-3e73-4c72-9c05-04178e60fbc2
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.jobmaster.JobMaster - Connecting to ResourceManager akka://flink/user/resourcemanager_58c761df-e331-44be-a1f5-f9cc7ccce80f(b813b56086c98d52a457166b66264b3d)
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.jobmaster.JobMaster - Resolved ResourceManager address, beginning registration
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.jobmaster.JobMaster - Registration at ResourceManager attempt 1 (timeout=100ms)
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.resourcemanager.StandaloneResourceManager - Registering job manager 9c0504178e60fbc2c0b19cbf3e734c72@akka://flink/user/jobmanager_39 for job f9f2924f3758c9ab69f4c08a87bda6b6.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.resourcemanager.StandaloneResourceManager - Registered job manager 9c0504178e60fbc2c0b19cbf3e734c72@akka://flink/user/jobmanager_39 for job f9f2924f3758c9ab69f4c08a87bda6b6.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.jobmaster.JobMaster - JobManager successfully registered at ResourceManager, leader id: b813b56086c98d52a457166b66264b3d.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.jobmaster.slotpool.SlotPool - Requesting new slot [SlotRequestId{9d4710a894ea45180905042d85997f6a}] and profile ResourceProfile{cpuCores=-1.0, heapMemoryInMB=-1, directMemoryInMB=0, nativeMemoryInMB=0, networkMemoryInMB=0} from resource manager.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.resourcemanager.StandaloneResourceManager - Request slot with profile ResourceProfile{cpuCores=-1.0, heapMemoryInMB=-1, directMemoryInMB=0, nativeMemoryInMB=0, networkMemoryInMB=0} for job f9f2924f3758c9ab69f4c08a87bda6b6 with allocation id AllocationID{65c766e57e74b34f381b39d33acfab6d}.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Receive slot request AllocationID{65c766e57e74b34f381b39d33acfab6d} for job f9f2924f3758c9ab69f4c08a87bda6b6 from resource manager with leader id b813b56086c98d52a457166b66264b3d.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Allocated slot for AllocationID{65c766e57e74b34f381b39d33acfab6d}.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Add job f9f2924f3758c9ab69f4c08a87bda6b6 for job leader monitoring.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Try to register at job manager akka://flink/user/jobmanager_39 with leader id c0b19cbf-3e73-4c72-9c05-04178e60fbc2.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Resolved JobManager address, beginning registration
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Registration at JobManager attempt 1 (timeout=100ms)
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Successful registration at job manager akka://flink/user/jobmanager_39 for job f9f2924f3758c9ab69f4c08a87bda6b6.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Establish JobManager connection for job f9f2924f3758c9ab69f4c08a87bda6b6.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Offer reserved slots to the leader of job f9f2924f3758c9ab69f4c08a87bda6b6.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Activate slot AllocationID{65c766e57e74b34f381b39d33acfab6d}.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (7c63129a70a1e8d7fa985433fd7f14c0) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (4fec90af450e4caac5564d70a98c6300) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (6f42f75f0252cab6f2333fd790e5ad9f) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (a09cf03e68a9c764e3685ef12bfec438) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1).
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - ToKeyedWorkItem (1/1) (e8b1583062e2ada48926a2e79bb1bb6a) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying ToKeyedWorkItem (1/1) (attempt #0) to localhost
[Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (7c63129a70a1e8d7fa985433fd7f14c0) switched from CREATED to DEPLOYING.
[Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (7c63129a70a1e8d7fa985433fd7f14c0) [DEPLOYING]
[Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (7c63129a70a1e8d7fa985433fd7f14c0) [DEPLOYING].
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1).
[Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (7c63129a70a1e8d7fa985433fd7f14c0) [DEPLOYING].
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (971e0d7d8e08c8d63453f2e1a3491bc4) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (attempt #0) to localhost
[Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (4fec90af450e4caac5564d70a98c6300) switched from CREATED to DEPLOYING.
[Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (4fec90af450e4caac5564d70a98c6300) [DEPLOYING]
[Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (4fec90af450e4caac5564d70a98c6300) [DEPLOYING].
[Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (4fec90af450e4caac5564d70a98c6300) [DEPLOYING].
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1).
[Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (6f42f75f0252cab6f2333fd790e5ad9f) switched from CREATED to DEPLOYING.
[Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (6f42f75f0252cab6f2333fd790e5ad9f) [DEPLOYING]
[Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (6f42f75f0252cab6f2333fd790e5ad9f) [DEPLOYING].
[Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (6f42f75f0252cab6f2333fd790e5ad9f) [DEPLOYING].
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1).
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (a09cf03e68a9c764e3685ef12bfec438) switched from CREATED to DEPLOYING.
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (a09cf03e68a9c764e3685ef12bfec438) [DEPLOYING]
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (a09cf03e68a9c764e3685ef12bfec438) [DEPLOYING].
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task ToKeyedWorkItem (1/1).
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (a09cf03e68a9c764e3685ef12bfec438) [DEPLOYING].
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - ToKeyedWorkItem (1/1) (e8b1583062e2ada48926a2e79bb1bb6a) switched from CREATED to DEPLOYING.
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task ToKeyedWorkItem (1/1) (e8b1583062e2ada48926a2e79bb1bb6a) [DEPLOYING]
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task ToKeyedWorkItem (1/1) (e8b1583062e2ada48926a2e79bb1bb6a) [DEPLOYING].
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: ToKeyedWorkItem (1/1) (e8b1583062e2ada48926a2e79bb1bb6a) [DEPLOYING].
[Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (7c63129a70a1e8d7fa985433fd7f14c0) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1).
[Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (6f42f75f0252cab6f2333fd790e5ad9f) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (7c63129a70a1e8d7fa985433fd7f14c0) switched from DEPLOYING to RUNNING.
[Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.streaming.runtime.tasks.StreamTask - No state backend has been configured, using default (Memory / JobManager) MemoryStateBackend (data in heap memory / checkpoints to JobManager) (checkpoints: 'null', savepoints: 'null', asynchronous: TRUE, maxStateSize: 5242880)
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (6f42f75f0252cab6f2333fd790e5ad9f) switched from DEPLOYING to RUNNING.
[Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.streaming.runtime.tasks.StreamTask - No state backend has been configured, using default (Memory / JobManager) MemoryStateBackend (data in heap memory / checkpoints to JobManager) (checkpoints: 'null', savepoints: 'null', asynchronous: TRUE, maxStateSize: 5242880)
[Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (4fec90af450e4caac5564d70a98c6300) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (4fec90af450e4caac5564d70a98c6300) switched from DEPLOYING to RUNNING.
[Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.streaming.runtime.tasks.StreamTask - No state backend has been configured, using default (Memory / JobManager) MemoryStateBackend (data in heap memory / checkpoints to JobManager) (checkpoints: 'null', savepoints: 'null', asynchronous: TRUE, maxStateSize: 5242880)
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (971e0d7d8e08c8d63453f2e1a3491bc4) switched from CREATED to DEPLOYING.
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (971e0d7d8e08c8d63453f2e1a3491bc4) [DEPLOYING]
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (971e0d7d8e08c8d63453f2e1a3491bc4) [DEPLOYING].
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (971e0d7d8e08c8d63453f2e1a3491bc4) [DEPLOYING].
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (a09cf03e68a9c764e3685ef12bfec438) switched from DEPLOYING to RUNNING.
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (971e0d7d8e08c8d63453f2e1a3491bc4) switched from DEPLOYING to RUNNING.
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.streaming.runtime.tasks.StreamTask - No state backend has been configured, using default (Memory / JobManager) MemoryStateBackend (data in heap memory / checkpoints to JobManager) (checkpoints: 'null', savepoints: 'null', asynchronous: TRUE, maxStateSize: 5242880)
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.streaming.runtime.tasks.StreamTask - No state backend has been configured, using default (Memory / JobManager) MemoryStateBackend (data in heap memory / checkpoints to JobManager) (checkpoints: 'null', savepoints: 'null', asynchronous: TRUE, maxStateSize: 5242880)
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (a09cf03e68a9c764e3685ef12bfec438) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (971e0d7d8e08c8d63453f2e1a3491bc4) switched from DEPLOYING to RUNNING.
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - ToKeyedWorkItem (1/1) (e8b1583062e2ada48926a2e79bb1bb6a) switched from DEPLOYING to RUNNING.
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.streaming.runtime.tasks.StreamTask - No state backend has been configured, using default (Memory / JobManager) MemoryStateBackend (data in heap memory / checkpoints to JobManager) (checkpoints: 'null', savepoints: 'null', asynchronous: TRUE, maxStateSize: 5242880)
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - ToKeyedWorkItem (1/1) (e8b1583062e2ada48926a2e79bb1bb6a) switched from DEPLOYING to RUNNING.
[Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] WARN org.apache.flink.metrics.MetricGroup - The operator name 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 exceeded the 80 characters length limit and was truncated.
[Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.state.heap.HeapKeyedStateBackend - Initializing heap keyed state backend with stream factory.
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.state.heap.HeapKeyedStateBackend - Initializing heap keyed state backend with stream factory.
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.state.heap.HeapKeyedStateBackend - Initializing heap keyed state backend with stream factory.
[Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] WARN org.apache.beam.runners.fnexecution.environment.DockerCommand - Unable to pull docker image jenkins-docker-apache.bintray.io/beam/python:latest, cause: Received exit code 1 for command 'docker pull jenkins-docker-apache.bintray.io/beam/python:latest'. stderr: Error response from daemon: unknown: Repo 'apache' was not found
[grpc-default-executor-2] INFO org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactRetrievalService - GetManifest for /tmp/flinktest1nZFTH/job_f2b7a9f2-b836-4873-8ec7-48165139e68d/MANIFEST
[grpc-default-executor-2] INFO org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactRetrievalService - Loading manifest for retrieval token /tmp/flinktest1nZFTH/job_f2b7a9f2-b836-4873-8ec7-48165139e68d/MANIFEST
[grpc-default-executor-2] INFO org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactRetrievalService - Manifest at /tmp/flinktest1nZFTH/job_f2b7a9f2-b836-4873-8ec7-48165139e68d/MANIFEST has 0 artifact locations
[grpc-default-executor-2] INFO org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactRetrievalService - GetManifest for /tmp/flinktest1nZFTH/job_f2b7a9f2-b836-4873-8ec7-48165139e68d/MANIFEST -> 0 artifacts
[grpc-default-executor-2] INFO org.apache.beam.runners.fnexecution.logging.GrpcLoggingService - Beam Fn Logging client connected.
[grpc-default-executor-2] INFO sdk_worker_main.main - Logging handler created.
[grpc-default-executor-2] INFO sdk_worker_main.start - Status HTTP server running at localhost:44735
[grpc-default-executor-2] INFO sdk_worker_main.main - semi_persistent_directory: /tmp
[grpc-default-executor-2] WARN sdk_worker_main._load_main_session - No session file found: /tmp/staged/pickled_main_session. Functions defined in __main__ (interactive session) may fail. 
[grpc-default-executor-2] INFO pipeline_options.get_all_options - Parsing unknown args: [u'--options_id=20', u'--direct_runner_use_stacked_bundle', u'--pipeline_type_check', u'--sdk_worker_parallelism=pipeline']
[grpc-default-executor-2] INFO sdk_worker_main.main - Python sdk harness started with pipeline_options: {'runner': u'None', 'streaming': True, 'experiments': [u'beam_fn_api'], 'sdk_location': u'container', 'flink_master': '[auto]', 'direct_runner_use_stacked_bundle': None, 'sdk_worker_parallelism': u'pipeline', 'job_name': u'test_windowing_1540167068.85', 'options_id': u'20', 'pipeline_type_check': None, 'parallelism': 1, 'job_endpoint': u'localhost:46693'}
[grpc-default-executor-2] INFO sdk_worker.__init__ - Creating insecure control channel.
[grpc-default-executor-2] INFO sdk_worker.__init__ - Control channel established.
[grpc-default-executor-3] INFO sdk_worker.__init__ - Initializing SDKHarness with 12 workers.
[grpc-default-executor-2] INFO org.apache.beam.runners.fnexecution.control.FnApiControlClientPoolService - Beam Fn Control client connected with id 1
[grpc-default-executor-2] INFO sdk_worker.create_state_handler - Creating channel for localhost:38609
[grpc-default-executor-3] INFO data_plane.create_data_channel - Creating channel for localhost:33425
[grpc-default-executor-3] INFO org.apache.beam.runners.fnexecution.data.GrpcDataService - Beam Fn Data client connected.
[Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (7c63129a70a1e8d7fa985433fd7f14c0) switched from RUNNING to FINISHED.
[Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (7c63129a70a1e8d7fa985433fd7f14c0).
[Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (7c63129a70a1e8d7fa985433fd7f14c0) [FINISHED]
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 7c63129a70a1e8d7fa985433fd7f14c0.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (7c63129a70a1e8d7fa985433fd7f14c0) switched from RUNNING to FINISHED.
[Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (4fec90af450e4caac5564d70a98c6300) switched from RUNNING to FINISHED.
[Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (4fec90af450e4caac5564d70a98c6300).
[Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (4fec90af450e4caac5564d70a98c6300) [FINISHED]
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem 4fec90af450e4caac5564d70a98c6300.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (4fec90af450e4caac5564d70a98c6300) switched from RUNNING to FINISHED.
[Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (6f42f75f0252cab6f2333fd790e5ad9f) switched from RUNNING to FINISHED.
[Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (6f42f75f0252cab6f2333fd790e5ad9f).
[Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (6f42f75f0252cab6f2333fd790e5ad9f) [FINISHED]
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem 6f42f75f0252cab6f2333fd790e5ad9f.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (6f42f75f0252cab6f2333fd790e5ad9f) switched from RUNNING to FINISHED.
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (a09cf03e68a9c764e3685ef12bfec438) switched from RUNNING to FINISHED.
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (a09cf03e68a9c764e3685ef12bfec438).
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (a09cf03e68a9c764e3685ef12bfec438) [FINISHED]
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 a09cf03e68a9c764e3685ef12bfec438.
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - ToKeyedWorkItem (1/1) (e8b1583062e2ada48926a2e79bb1bb6a) switched from RUNNING to FINISHED.
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for ToKeyedWorkItem (1/1) (e8b1583062e2ada48926a2e79bb1bb6a).
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task ToKeyedWorkItem (1/1) (e8b1583062e2ada48926a2e79bb1bb6a) [FINISHED]
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task ToKeyedWorkItem e8b1583062e2ada48926a2e79bb1bb6a.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (a09cf03e68a9c764e3685ef12bfec438) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - ToKeyedWorkItem (1/1) (e8b1583062e2ada48926a2e79bb1bb6a) switched from RUNNING to FINISHED.
[grpc-default-executor-3] INFO sdk_worker.run - No more requests from control plane
[grpc-default-executor-3] INFO sdk_worker.run - SDK Harness waiting for in-flight requests to complete
[grpc-default-executor-3] INFO data_plane.close - Closing all cached grpc data channels.
[grpc-default-executor-3] WARN org.apache.beam.sdk.fn.data.BeamFnDataGrpcMultiplexer - Hanged up for unknown endpoint.
[grpc-default-executor-3] INFO sdk_worker.close - Closing all cached gRPC state handlers.
[grpc-default-executor-3] INFO sdk_worker.run - Done consuming work.
[grpc-default-executor-3] INFO sdk_worker_main.main - Python sdk harness exiting.
[grpc-default-executor-3] INFO org.apache.beam.runners.fnexecution.logging.GrpcLoggingService - Logging client hanged up.
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] WARN org.apache.beam.sdk.fn.data.BeamFnDataGrpcMultiplexer - Hanged up for unknown endpoint.
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (971e0d7d8e08c8d63453f2e1a3491bc4) switched from RUNNING to FINISHED.
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (971e0d7d8e08c8d63453f2e1a3491bc4).
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (971e0d7d8e08c8d63453f2e1a3491bc4) [FINISHED]
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 971e0d7d8e08c8d63453f2e1a3491bc4.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (971e0d7d8e08c8d63453f2e1a3491bc4) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Job test_windowing_1540167068.85 (f9f2924f3758c9ab69f4c08a87bda6b6) switched from state RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.checkpoint.CheckpointCoordinator - Stopping checkpoint coordinator for job f9f2924f3758c9ab69f4c08a87bda6b6.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.checkpoint.StandaloneCompletedCheckpointStore - Shutting down
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Job f9f2924f3758c9ab69f4c08a87bda6b6 reached globally terminal state FINISHED.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.jobmaster.JobMaster - Stopping the JobMaster for job test_windowing_1540167068.85(f9f2924f3758c9ab69f4c08a87bda6b6).
[flink-runner-job-server] INFO org.apache.flink.runtime.minicluster.MiniCluster - Shutting down Flink Mini Cluster
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Close JobManager connection for job f9f2924f3758c9ab69f4c08a87bda6b6.
[flink-runner-job-server] INFO org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint - Shutting down rest endpoint.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Stopping dispatcher akka://flink/user/dispatcher31108a06-18de-4780-8bf6-66d3bdfe2ba3.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Stopping all currently running jobs of dispatcher akka://flink/user/dispatcher31108a06-18de-4780-8bf6-66d3bdfe2ba3.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.jobmaster.JobMaster - Close ResourceManager connection eaf7e1de7d54fe210457eb67e75a2cc4: JobManager is shutting down..
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.jobmaster.slotpool.SlotPool - Suspending SlotPool.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.jobmaster.slotpool.SlotPool - Stopping SlotPool.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.resourcemanager.StandaloneResourceManager - Disconnect job manager 9c0504178e60fbc2c0b19cbf3e734c72@akka://flink/user/jobmanager_39 for job f9f2924f3758c9ab69f4c08a87bda6b6 from the resource manager.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.resourcemanager.slotmanager.SlotManager - Closing the SlotManager.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.resourcemanager.slotmanager.SlotManager - Suspending the SlotManager.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.resourcemanager.slotmanager.SlotManager - Unregister TaskManager 561a3dbbe4f3065dc4e2978c221f0cb3 from the SlotManager.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - JobManager for job f9f2924f3758c9ab69f4c08a87bda6b6 with leader id 9c0504178e60fbc2c0b19cbf3e734c72 lost leadership.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Stopping TaskExecutor akka://flink/user/taskmanager_38.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.state.TaskExecutorLocalStateStoresManager - Shutting down TaskExecutorLocalStateStoresManager.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.io.disk.iomanager.IOManager - I/O manager removed spill file directory /tmp/flink-io-39a131a2-50b0-4148-987e-ec35f0b2b629
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.io.network.NetworkEnvironment - Shutting down the network environment and its components.
[ForkJoinPool.commonPool-worker-11] INFO org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint - Removing cache directory /tmp/flink-web-ui
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.rest.handler.legacy.backpressure.StackTraceSampleCoordinator - Shutting down stack trace sample coordinator.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Stopped dispatcher akka://flink/user/dispatcher31108a06-18de-4780-8bf6-66d3bdfe2ba3.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Stop job leader service.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Stopped TaskExecutor akka://flink/user/taskmanager_38.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.rpc.akka.AkkaRpcService - Stopping Akka RPC service.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.blob.PermanentBlobCache - Shutting down BLOB cache
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.blob.TransientBlobCache - Shutting down BLOB cache
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.blob.BlobServer - Stopped BLOB server at 0.0.0.0:46641
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.rpc.akka.AkkaRpcService - Stopped Akka RPC service.
[flink-runner-job-server] INFO org.apache.beam.runners.flink.FlinkRunner - Execution finished in 2198 msecs
[flink-runner-job-server] INFO org.apache.beam.runners.flink.FlinkRunner - Final accumulator values:
[flink-runner-job-server] INFO org.apache.beam.runners.flink.FlinkRunner - __metricscontainers : org.apache.beam.runners.core.metrics.MetricsContainerStepMap@c0451d91
.
----------------------------------------------------------------------
Ran 26 tests in 81.327s

OK (skipped=8)
Segmentation fault (core dumped)

> Task :beam-sdks-python:flinkCompatibilityMatrixStreamingDOCKER FAILED
:beam-sdks-python:flinkCompatibilityMatrixStreamingDOCKER (Thread[Task worker for ':' Thread 5,5,main]) completed. Took 1 mins 23.713 secs.

FAILURE: Build failed with an exception.

* Where:
Build file '<https://builds.apache.org/job/beam_PostCommit_Python_VR_Flink/ws/src/sdks/python/build.gradle'> line: 367

* What went wrong:
Execution failed for task ':beam-sdks-python:flinkCompatibilityMatrixStreamingDOCKER'.
> Process 'command 'sh'' finished with non-zero exit value 139

* Try:
Run with --stacktrace option to get the stack trace. Run with --debug option to get more log output. Run with --scan to get full insights.

* Get more help at https://help.gradle.org

Deprecated Gradle features were used in this build, making it incompatible with Gradle 5.0.
Use '--warning-mode all' to show the individual deprecation warnings.
See https://docs.gradle.org/4.10.2/userguide/command_line_interface.html#sec:command_line_warnings

BUILD FAILED in 11m 3s
61 actionable tasks: 56 executed, 4 from cache, 1 up-to-date

Publishing build scan...
https://gradle.com/s/ebhxs4l65cow4

Build step 'Invoke Gradle script' changed build result to FAILURE
Build step 'Invoke Gradle script' marked build as failure

Build failed in Jenkins: beam_PostCommit_Python_VR_Flink #448

[Apache Jenkins Server <je...@builds.apache.org>]

See <https://builds.apache.org/job/beam_PostCommit_Python_VR_Flink/448/display/redirect>

------------------------------------------
[...truncated 4.43 MB...]
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Registration at ResourceManager attempt 1 (timeout=100ms)
[flink-runner-job-server] WARN org.apache.flink.runtime.webmonitor.WebMonitorUtils - Log file environment variable 'log.file' is not set.
[flink-runner-job-server] WARN org.apache.flink.runtime.webmonitor.WebMonitorUtils - JobManager log files are unavailable in the web dashboard. Log file location not found in environment variable 'log.file' or configuration key 'Key: 'web.log.path' , default: null (deprecated keys: [jobmanager.web.log.path])'.
[flink-runner-job-server] INFO org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint - Failed to load web based job submission extension. Probable reason: flink-runtime-web is not in the classpath.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Successful registration at resource manager akka://flink/user/resourcemanager_a5d9106c-c08f-4a95-9df4-ff2ccb015706 under registration id 1e0f15ccd786263661d01438dcb6e8d6.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.resourcemanager.slotmanager.SlotManager - Registering TaskManager 995543aa-f846-404f-8f76-ebe4313c8faa under 1e0f15ccd786263661d01438dcb6e8d6 at the SlotManager.
[flink-runner-job-server] INFO org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint - Rest endpoint listening at localhost:39025
[flink-runner-job-server] INFO org.apache.flink.runtime.highavailability.nonha.embedded.EmbeddedLeaderService - Proposing leadership to contender org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint@56c123a6 @ http://localhost:39025
[flink-runner-job-server] INFO org.apache.flink.runtime.minicluster.MiniCluster - Starting job dispatcher(s) for JobManger
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint - http://localhost:39025 was granted leadership with leaderSessionID=464c1294-fe2d-4bad-a2b7-87c869abf43d
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.highavailability.nonha.embedded.EmbeddedLeaderService - Received confirmation of leadership for leader http://localhost:39025 , session=464c1294-fe2d-4bad-a2b7-87c869abf43d
[flink-runner-job-server] INFO org.apache.flink.runtime.rpc.akka.AkkaRpcService - Starting RPC endpoint for org.apache.flink.runtime.dispatcher.StandaloneDispatcher at akka://flink/user/dispatcher13b5cd6e-c8a1-47d2-998a-9e1adb42fa33 .
[flink-runner-job-server] INFO org.apache.flink.runtime.highavailability.nonha.embedded.EmbeddedLeaderService - Proposing leadership to contender org.apache.flink.runtime.dispatcher.StandaloneDispatcher@3ba77b53 @ akka://flink/user/dispatcher13b5cd6e-c8a1-47d2-998a-9e1adb42fa33
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Dispatcher akka://flink/user/dispatcher13b5cd6e-c8a1-47d2-998a-9e1adb42fa33 was granted leadership with fencing token 26f29f57-f9c7-44d5-83b3-00741fcef5a4
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Recovering all persisted jobs.
[flink-runner-job-server] INFO org.apache.flink.runtime.minicluster.MiniCluster - Flink Mini Cluster started successfully
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.highavailability.nonha.embedded.EmbeddedLeaderService - Received confirmation of leadership for leader akka://flink/user/dispatcher13b5cd6e-c8a1-47d2-998a-9e1adb42fa33 , session=26f29f57-f9c7-44d5-83b3-00741fcef5a4
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Submitting job 178b3bcd776144b1e731fc24c9d5004e (test_windowing_1540145483.54).
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.rpc.akka.AkkaRpcService - Starting RPC endpoint for org.apache.flink.runtime.jobmaster.JobMaster at akka://flink/user/jobmanager_39 .
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.jobmaster.JobMaster - Initializing job test_windowing_1540145483.54 (178b3bcd776144b1e731fc24c9d5004e).
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.jobmaster.JobMaster - Using restart strategy NoRestartStrategy for test_windowing_1540145483.54 (178b3bcd776144b1e731fc24c9d5004e).
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.rpc.akka.AkkaRpcService - Starting RPC endpoint for org.apache.flink.runtime.jobmaster.slotpool.SlotPool at akka://flink/user/2745f4cd-375f-4825-b318-6a2da37a7222 .
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Job recovers via failover strategy: full graph restart
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.jobmaster.JobMaster - Running initialization on master for job test_windowing_1540145483.54 (178b3bcd776144b1e731fc24c9d5004e).
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.jobmaster.JobMaster - Successfully ran initialization on master in 0 ms.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.jobmaster.JobMaster - No state backend has been configured, using default (Memory / JobManager) MemoryStateBackend (data in heap memory / checkpoints to JobManager) (checkpoints: 'null', savepoints: 'null', asynchronous: TRUE, maxStateSize: 5242880)
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.highavailability.nonha.embedded.EmbeddedLeaderService - Proposing leadership to contender org.apache.flink.runtime.jobmaster.JobManagerRunner@6c466ab2 @ akka://flink/user/jobmanager_39
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.jobmaster.JobManagerRunner - JobManager runner for job test_windowing_1540145483.54 (178b3bcd776144b1e731fc24c9d5004e) was granted leadership with session id e0878ca2-0060-44d0-883b-c1e6f0880df0 at akka://flink/user/jobmanager_39.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.jobmaster.JobMaster - Starting execution of job test_windowing_1540145483.54 (178b3bcd776144b1e731fc24c9d5004e)
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Job test_windowing_1540145483.54 (178b3bcd776144b1e731fc24c9d5004e) switched from state CREATED to RUNNING.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (c2f167254e83471761f2c61004bee27e) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (3da7b348f0f6e3184b60d264841474b2) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (1000eaefc523dffea436fdf5525ea11d) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (0f7d926526c5c3ae094265fdf03e2bf2) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - ToKeyedWorkItem (1/1) (1d49c1f47c51b1bce5f80562381e903a) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (1eb57aa566fa0d3fadfba1f328c4a00e) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.jobmaster.slotpool.SlotPool - Cannot serve slot request, no ResourceManager connected. Adding as pending request [SlotRequestId{386246faea5cc012399ec3a095bd92f4}]
[jobmanager-future-thread-1] INFO org.apache.flink.runtime.highavailability.nonha.embedded.EmbeddedLeaderService - Received confirmation of leadership for leader akka://flink/user/jobmanager_39 , session=e0878ca2-0060-44d0-883b-c1e6f0880df0
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.jobmaster.JobMaster - Connecting to ResourceManager akka://flink/user/resourcemanager_a5d9106c-c08f-4a95-9df4-ff2ccb015706(a79c2a1f25db41c3173d29abee6e4578)
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.jobmaster.JobMaster - Resolved ResourceManager address, beginning registration
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.jobmaster.JobMaster - Registration at ResourceManager attempt 1 (timeout=100ms)
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.resourcemanager.StandaloneResourceManager - Registering job manager 883bc1e6f0880df0e0878ca2006044d0@akka://flink/user/jobmanager_39 for job 178b3bcd776144b1e731fc24c9d5004e.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.resourcemanager.StandaloneResourceManager - Registered job manager 883bc1e6f0880df0e0878ca2006044d0@akka://flink/user/jobmanager_39 for job 178b3bcd776144b1e731fc24c9d5004e.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.jobmaster.JobMaster - JobManager successfully registered at ResourceManager, leader id: a79c2a1f25db41c3173d29abee6e4578.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.jobmaster.slotpool.SlotPool - Requesting new slot [SlotRequestId{386246faea5cc012399ec3a095bd92f4}] and profile ResourceProfile{cpuCores=-1.0, heapMemoryInMB=-1, directMemoryInMB=0, nativeMemoryInMB=0, networkMemoryInMB=0} from resource manager.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.resourcemanager.StandaloneResourceManager - Request slot with profile ResourceProfile{cpuCores=-1.0, heapMemoryInMB=-1, directMemoryInMB=0, nativeMemoryInMB=0, networkMemoryInMB=0} for job 178b3bcd776144b1e731fc24c9d5004e with allocation id AllocationID{e8ece245ac849d6ef4aca25f3625ac43}.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Receive slot request AllocationID{e8ece245ac849d6ef4aca25f3625ac43} for job 178b3bcd776144b1e731fc24c9d5004e from resource manager with leader id a79c2a1f25db41c3173d29abee6e4578.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Allocated slot for AllocationID{e8ece245ac849d6ef4aca25f3625ac43}.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Add job 178b3bcd776144b1e731fc24c9d5004e for job leader monitoring.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Try to register at job manager akka://flink/user/jobmanager_39 with leader id e0878ca2-0060-44d0-883b-c1e6f0880df0.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Resolved JobManager address, beginning registration
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Registration at JobManager attempt 1 (timeout=100ms)
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Successful registration at job manager akka://flink/user/jobmanager_39 for job 178b3bcd776144b1e731fc24c9d5004e.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Establish JobManager connection for job 178b3bcd776144b1e731fc24c9d5004e.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Offer reserved slots to the leader of job 178b3bcd776144b1e731fc24c9d5004e.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Activate slot AllocationID{e8ece245ac849d6ef4aca25f3625ac43}.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (3da7b348f0f6e3184b60d264841474b2) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (c2f167254e83471761f2c61004bee27e) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (1000eaefc523dffea436fdf5525ea11d) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (0f7d926526c5c3ae094265fdf03e2bf2) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1).
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - ToKeyedWorkItem (1/1) (1d49c1f47c51b1bce5f80562381e903a) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying ToKeyedWorkItem (1/1) (attempt #0) to localhost
[Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (3da7b348f0f6e3184b60d264841474b2) switched from CREATED to DEPLOYING.
[Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (3da7b348f0f6e3184b60d264841474b2) [DEPLOYING]
[Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (3da7b348f0f6e3184b60d264841474b2) [DEPLOYING].
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (1eb57aa566fa0d3fadfba1f328c4a00e) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1).
[Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (c2f167254e83471761f2c61004bee27e) switched from CREATED to DEPLOYING.
[Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (c2f167254e83471761f2c61004bee27e) [DEPLOYING]
[Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (c2f167254e83471761f2c61004bee27e) [DEPLOYING].
[Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (c2f167254e83471761f2c61004bee27e) [DEPLOYING].
[Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (3da7b348f0f6e3184b60d264841474b2) [DEPLOYING].
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1).
[Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (1000eaefc523dffea436fdf5525ea11d) switched from CREATED to DEPLOYING.
[Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (1000eaefc523dffea436fdf5525ea11d) [DEPLOYING]
[Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (1000eaefc523dffea436fdf5525ea11d) [DEPLOYING].
[Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (1000eaefc523dffea436fdf5525ea11d) [DEPLOYING].
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1).
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (0f7d926526c5c3ae094265fdf03e2bf2) switched from CREATED to DEPLOYING.
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (0f7d926526c5c3ae094265fdf03e2bf2) [DEPLOYING]
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (0f7d926526c5c3ae094265fdf03e2bf2) [DEPLOYING].
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (0f7d926526c5c3ae094265fdf03e2bf2) [DEPLOYING].
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task ToKeyedWorkItem (1/1).
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - ToKeyedWorkItem (1/1) (1d49c1f47c51b1bce5f80562381e903a) switched from CREATED to DEPLOYING.
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task ToKeyedWorkItem (1/1) (1d49c1f47c51b1bce5f80562381e903a) [DEPLOYING]
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task ToKeyedWorkItem (1/1) (1d49c1f47c51b1bce5f80562381e903a) [DEPLOYING].
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: ToKeyedWorkItem (1/1) (1d49c1f47c51b1bce5f80562381e903a) [DEPLOYING].
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1).
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (1eb57aa566fa0d3fadfba1f328c4a00e) switched from CREATED to DEPLOYING.
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (1eb57aa566fa0d3fadfba1f328c4a00e) [DEPLOYING]
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (1eb57aa566fa0d3fadfba1f328c4a00e) [DEPLOYING].
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (1eb57aa566fa0d3fadfba1f328c4a00e) [DEPLOYING].
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (1eb57aa566fa0d3fadfba1f328c4a00e) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (1eb57aa566fa0d3fadfba1f328c4a00e) switched from DEPLOYING to RUNNING.
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.streaming.runtime.tasks.StreamTask - No state backend has been configured, using default (Memory / JobManager) MemoryStateBackend (data in heap memory / checkpoints to JobManager) (checkpoints: 'null', savepoints: 'null', asynchronous: TRUE, maxStateSize: 5242880)
[Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (c2f167254e83471761f2c61004bee27e) switched from DEPLOYING to RUNNING.
[Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.streaming.runtime.tasks.StreamTask - No state backend has been configured, using default (Memory / JobManager) MemoryStateBackend (data in heap memory / checkpoints to JobManager) (checkpoints: 'null', savepoints: 'null', asynchronous: TRUE, maxStateSize: 5242880)
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (c2f167254e83471761f2c61004bee27e) switched from DEPLOYING to RUNNING.
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - ToKeyedWorkItem (1/1) (1d49c1f47c51b1bce5f80562381e903a) switched from DEPLOYING to RUNNING.
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.streaming.runtime.tasks.StreamTask - No state backend has been configured, using default (Memory / JobManager) MemoryStateBackend (data in heap memory / checkpoints to JobManager) (checkpoints: 'null', savepoints: 'null', asynchronous: TRUE, maxStateSize: 5242880)
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - ToKeyedWorkItem (1/1) (1d49c1f47c51b1bce5f80562381e903a) switched from DEPLOYING to RUNNING.
[Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (3da7b348f0f6e3184b60d264841474b2) switched from DEPLOYING to RUNNING.
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (0f7d926526c5c3ae094265fdf03e2bf2) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (3da7b348f0f6e3184b60d264841474b2) switched from DEPLOYING to RUNNING.
[Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.streaming.runtime.tasks.StreamTask - No state backend has been configured, using default (Memory / JobManager) MemoryStateBackend (data in heap memory / checkpoints to JobManager) (checkpoints: 'null', savepoints: 'null', asynchronous: TRUE, maxStateSize: 5242880)
[Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (1000eaefc523dffea436fdf5525ea11d) switched from DEPLOYING to RUNNING.
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.streaming.runtime.tasks.StreamTask - No state backend has been configured, using default (Memory / JobManager) MemoryStateBackend (data in heap memory / checkpoints to JobManager) (checkpoints: 'null', savepoints: 'null', asynchronous: TRUE, maxStateSize: 5242880)
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (0f7d926526c5c3ae094265fdf03e2bf2) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (1000eaefc523dffea436fdf5525ea11d) switched from DEPLOYING to RUNNING.
[Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.streaming.runtime.tasks.StreamTask - No state backend has been configured, using default (Memory / JobManager) MemoryStateBackend (data in heap memory / checkpoints to JobManager) (checkpoints: 'null', savepoints: 'null', asynchronous: TRUE, maxStateSize: 5242880)
[Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] WARN org.apache.flink.metrics.MetricGroup - The operator name 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 exceeded the 80 characters length limit and was truncated.
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.state.heap.HeapKeyedStateBackend - Initializing heap keyed state backend with stream factory.
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.state.heap.HeapKeyedStateBackend - Initializing heap keyed state backend with stream factory.
[Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.state.heap.HeapKeyedStateBackend - Initializing heap keyed state backend with stream factory.
[Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] WARN org.apache.beam.runners.fnexecution.environment.DockerCommand - Unable to pull docker image jenkins-docker-apache.bintray.io/beam/python:latest, cause: Received exit code 1 for command 'docker pull jenkins-docker-apache.bintray.io/beam/python:latest'. stderr: Error response from daemon: unknown: Repo 'apache' was not found
[grpc-default-executor-1] INFO org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactRetrievalService - GetManifest for /tmp/flinktestZh5FGP/job_d02afcad-ce56-4bba-b207-d9fdf0a05978/MANIFEST
[grpc-default-executor-1] INFO org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactRetrievalService - Loading manifest for retrieval token /tmp/flinktestZh5FGP/job_d02afcad-ce56-4bba-b207-d9fdf0a05978/MANIFEST
[grpc-default-executor-1] INFO org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactRetrievalService - Manifest at /tmp/flinktestZh5FGP/job_d02afcad-ce56-4bba-b207-d9fdf0a05978/MANIFEST has 0 artifact locations
[grpc-default-executor-1] INFO org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactRetrievalService - GetManifest for /tmp/flinktestZh5FGP/job_d02afcad-ce56-4bba-b207-d9fdf0a05978/MANIFEST -> 0 artifacts
[grpc-default-executor-1] INFO org.apache.beam.runners.fnexecution.logging.GrpcLoggingService - Beam Fn Logging client connected.
[grpc-default-executor-1] INFO sdk_worker_main.main - Logging handler created.
[grpc-default-executor-1] INFO sdk_worker_main.start - Status HTTP server running at localhost:34197
[grpc-default-executor-1] INFO sdk_worker_main.main - semi_persistent_directory: /tmp
[grpc-default-executor-1] WARN sdk_worker_main._load_main_session - No session file found: /tmp/staged/pickled_main_session. Functions defined in __main__ (interactive session) may fail. 
[grpc-default-executor-1] INFO pipeline_options.get_all_options - Parsing unknown args: [u'--options_id=20', u'--direct_runner_use_stacked_bundle', u'--pipeline_type_check', u'--sdk_worker_parallelism=pipeline']
[grpc-default-executor-1] INFO sdk_worker_main.main - Python sdk harness started with pipeline_options: {'runner': u'None', 'streaming': True, 'experiments': [u'beam_fn_api'], 'sdk_location': u'container', 'flink_master': '[auto]', 'direct_runner_use_stacked_bundle': None, 'sdk_worker_parallelism': u'pipeline', 'job_name': u'test_windowing_1540145483.54', 'options_id': u'20', 'pipeline_type_check': None, 'parallelism': 1, 'job_endpoint': u'localhost:51997'}
[grpc-default-executor-1] INFO sdk_worker.__init__ - Creating insecure control channel.
[grpc-default-executor-1] INFO sdk_worker.__init__ - Control channel established.
[grpc-default-executor-1] INFO sdk_worker.__init__ - Initializing SDKHarness with 12 workers.
[grpc-default-executor-1] INFO org.apache.beam.runners.fnexecution.control.FnApiControlClientPoolService - Beam Fn Control client connected with id 1
[grpc-default-executor-1] INFO sdk_worker.create_state_handler - Creating channel for localhost:45141
[grpc-default-executor-1] INFO data_plane.create_data_channel - Creating channel for localhost:39755
[grpc-default-executor-1] INFO org.apache.beam.runners.fnexecution.data.GrpcDataService - Beam Fn Data client connected.
[Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (3da7b348f0f6e3184b60d264841474b2) switched from RUNNING to FINISHED.
[Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (3da7b348f0f6e3184b60d264841474b2).
[Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (3da7b348f0f6e3184b60d264841474b2) [FINISHED]
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 3da7b348f0f6e3184b60d264841474b2.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (3da7b348f0f6e3184b60d264841474b2) switched from RUNNING to FINISHED.
[Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (c2f167254e83471761f2c61004bee27e) switched from RUNNING to FINISHED.
[Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (c2f167254e83471761f2c61004bee27e).
[Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (c2f167254e83471761f2c61004bee27e) [FINISHED]
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem c2f167254e83471761f2c61004bee27e.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (c2f167254e83471761f2c61004bee27e) switched from RUNNING to FINISHED.
[Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (1000eaefc523dffea436fdf5525ea11d) switched from RUNNING to FINISHED.
[Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (1000eaefc523dffea436fdf5525ea11d).
[Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (1000eaefc523dffea436fdf5525ea11d) [FINISHED]
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem 1000eaefc523dffea436fdf5525ea11d.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (1000eaefc523dffea436fdf5525ea11d) switched from RUNNING to FINISHED.
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (0f7d926526c5c3ae094265fdf03e2bf2) switched from RUNNING to FINISHED.
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (0f7d926526c5c3ae094265fdf03e2bf2).
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (0f7d926526c5c3ae094265fdf03e2bf2) [FINISHED]
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 0f7d926526c5c3ae094265fdf03e2bf2.
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - ToKeyedWorkItem (1/1) (1d49c1f47c51b1bce5f80562381e903a) switched from RUNNING to FINISHED.
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for ToKeyedWorkItem (1/1) (1d49c1f47c51b1bce5f80562381e903a).
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (0f7d926526c5c3ae094265fdf03e2bf2) switched from RUNNING to FINISHED.
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task ToKeyedWorkItem (1/1) (1d49c1f47c51b1bce5f80562381e903a) [FINISHED]
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task ToKeyedWorkItem 1d49c1f47c51b1bce5f80562381e903a.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - ToKeyedWorkItem (1/1) (1d49c1f47c51b1bce5f80562381e903a) switched from RUNNING to FINISHED.
[grpc-default-executor-1] INFO sdk_worker.run - No more requests from control plane
[grpc-default-executor-1] INFO sdk_worker.run - SDK Harness waiting for in-flight requests to complete
[grpc-default-executor-1] INFO data_plane.close - Closing all cached grpc data channels.
[grpc-default-executor-1] WARN org.apache.beam.sdk.fn.data.BeamFnDataGrpcMultiplexer - Hanged up for unknown endpoint.
[grpc-default-executor-0] INFO sdk_worker.close - Closing all cached gRPC state handlers.
[grpc-default-executor-0] INFO sdk_worker.run - Done consuming work.
[grpc-default-executor-0] INFO sdk_worker_main.main - Python sdk harness exiting.
[grpc-default-executor-0] INFO org.apache.beam.runners.fnexecution.logging.GrpcLoggingService - Logging client hanged up.
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] WARN org.apache.beam.sdk.fn.data.BeamFnDataGrpcMultiplexer - Hanged up for unknown endpoint.
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (1eb57aa566fa0d3fadfba1f328c4a00e) switched from RUNNING to FINISHED.
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (1eb57aa566fa0d3fadfba1f328c4a00e).
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (1eb57aa566fa0d3fadfba1f328c4a00e) [FINISHED]
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 1eb57aa566fa0d3fadfba1f328c4a00e.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (1eb57aa566fa0d3fadfba1f328c4a00e) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Job test_windowing_1540145483.54 (178b3bcd776144b1e731fc24c9d5004e) switched from state RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.checkpoint.CheckpointCoordinator - Stopping checkpoint coordinator for job 178b3bcd776144b1e731fc24c9d5004e.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.checkpoint.StandaloneCompletedCheckpointStore - Shutting down
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Job 178b3bcd776144b1e731fc24c9d5004e reached globally terminal state FINISHED.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.jobmaster.JobMaster - Stopping the JobMaster for job test_windowing_1540145483.54(178b3bcd776144b1e731fc24c9d5004e).
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Close JobManager connection for job 178b3bcd776144b1e731fc24c9d5004e.
[flink-runner-job-server] INFO org.apache.flink.runtime.minicluster.MiniCluster - Shutting down Flink Mini Cluster
[flink-runner-job-server] INFO org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint - Shutting down rest endpoint.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Stopping dispatcher akka://flink/user/dispatcher13b5cd6e-c8a1-47d2-998a-9e1adb42fa33.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Stopping all currently running jobs of dispatcher akka://flink/user/dispatcher13b5cd6e-c8a1-47d2-998a-9e1adb42fa33.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.jobmaster.JobMaster - Close ResourceManager connection d85ce957967bcfc133b977513b59170f: JobManager is shutting down..
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.jobmaster.slotpool.SlotPool - Suspending SlotPool.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.resourcemanager.StandaloneResourceManager - Disconnect job manager 883bc1e6f0880df0e0878ca2006044d0@akka://flink/user/jobmanager_39 for job 178b3bcd776144b1e731fc24c9d5004e from the resource manager.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.rpc.akka.AkkaRpcActor - The rpc endpoint org.apache.flink.runtime.jobmaster.slotpool.SlotPool has not been started yet. Discarding message org.apache.flink.runtime.rpc.messages.LocalRpcInvocation until processing is started.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.resourcemanager.slotmanager.SlotManager - Closing the SlotManager.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.resourcemanager.slotmanager.SlotManager - Suspending the SlotManager.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.resourcemanager.slotmanager.SlotManager - Unregister TaskManager 1e0f15ccd786263661d01438dcb6e8d6 from the SlotManager.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.jobmaster.slotpool.SlotPool - Stopping SlotPool.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Free slot TaskSlot(index:0, state:ALLOCATED, resource profile: ResourceProfile{cpuCores=1.0, heapMemoryInMB=42, directMemoryInMB=0, nativeMemoryInMB=0, networkMemoryInMB=0}, allocationId: AllocationID{e8ece245ac849d6ef4aca25f3625ac43}, jobId: 178b3bcd776144b1e731fc24c9d5004e).
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Remove job 178b3bcd776144b1e731fc24c9d5004e from job leader monitoring.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Close JobManager connection for job 178b3bcd776144b1e731fc24c9d5004e.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Stopping TaskExecutor akka://flink/user/taskmanager_38.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.state.TaskExecutorLocalStateStoresManager - Shutting down TaskExecutorLocalStateStoresManager.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.io.disk.iomanager.IOManager - I/O manager removed spill file directory /tmp/flink-io-867dd031-27be-40ac-b450-6ea8b031c81c
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.io.network.NetworkEnvironment - Shutting down the network environment and its components.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.rest.handler.legacy.backpressure.StackTraceSampleCoordinator - Shutting down stack trace sample coordinator.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Stopped dispatcher akka://flink/user/dispatcher13b5cd6e-c8a1-47d2-998a-9e1adb42fa33.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Stop job leader service.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Stopped TaskExecutor akka://flink/user/taskmanager_38.
[ForkJoinPool.commonPool-worker-4] INFO org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint - Removing cache directory /tmp/flink-web-ui
[ForkJoinPool.commonPool-worker-4] INFO org.apache.flink.runtime.rpc.akka.AkkaRpcService - Stopping Akka RPC service.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.blob.PermanentBlobCache - Shutting down BLOB cache
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.blob.TransientBlobCache - Shutting down BLOB cache
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.blob.BlobServer - Stopped BLOB server at 0.0.0.0:45313
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.rpc.akka.AkkaRpcService - Stopped Akka RPC service.
[flink-runner-job-server] INFO org.apache.beam.runners.flink.FlinkRunner - Execution finished in 1951 msecs
[flink-runner-job-server] INFO org.apache.beam.runners.flink.FlinkRunner - Final accumulator values:
[flink-runner-job-server] INFO org.apache.beam.runners.flink.FlinkRunner - __metricscontainers : org.apache.beam.runners.core.metrics.MetricsContainerStepMap@6975775b
.
----------------------------------------------------------------------
Ran 26 tests in 85.367s

OK (skipped=8)
:beam-sdks-python:flinkCompatibilityMatrixStreamingDOCKER (Thread[Task worker for ':',5,main]) completed. Took 1 mins 27.882 secs.

FAILURE: Build failed with an exception.

* Where:
Build file '<https://builds.apache.org/job/beam_PostCommit_Python_VR_Flink/ws/src/sdks/python/build.gradle'> line: 367

* What went wrong:
Execution failed for task ':beam-sdks-python:flinkCompatibilityMatrixBatchDOCKER'.
> Process 'command 'sh'' finished with non-zero exit value 1

* Try:
Run with --stacktrace option to get the stack trace. Run with --debug option to get more log output. Run with --scan to get full insights.

* Get more help at https://help.gradle.org

Deprecated Gradle features were used in this build, making it incompatible with Gradle 5.0.
Use '--warning-mode all' to show the individual deprecation warnings.
See https://docs.gradle.org/4.10.2/userguide/command_line_interface.html#sec:command_line_warnings

BUILD FAILED in 11m 19s
61 actionable tasks: 56 executed, 4 from cache, 1 up-to-date

Publishing build scan...
https://gradle.com/s/oh2era5rxl4cq

Build step 'Invoke Gradle script' changed build result to FAILURE
Build step 'Invoke Gradle script' marked build as failure

Build failed in Jenkins: beam_PostCommit_Python_VR_Flink #447

[Apache Jenkins Server <je...@builds.apache.org>]

See <https://builds.apache.org/job/beam_PostCommit_Python_VR_Flink/447/display/redirect>

------------------------------------------
[...truncated 4.40 MB...]
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Successful registration at resource manager akka://flink/user/resourcemanager_3f83cb77-e463-4f9d-879f-ebff244e4846 under registration id e7e799514961f3f4383e479ea037f628.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.resourcemanager.slotmanager.SlotManager - Registering TaskManager bda8e356-334d-4d12-8144-f81d4c9efaa7 under e7e799514961f3f4383e479ea037f628 at the SlotManager.
[flink-runner-job-server] INFO org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint - Rest endpoint listening at localhost:41181
[flink-runner-job-server] INFO org.apache.flink.runtime.highavailability.nonha.embedded.EmbeddedLeaderService - Proposing leadership to contender org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint@39e7e918 @ http://localhost:41181
[flink-runner-job-server] INFO org.apache.flink.runtime.minicluster.MiniCluster - Starting job dispatcher(s) for JobManger
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint - http://localhost:41181 was granted leadership with leaderSessionID=a83293c6-3375-4b04-8d7c-247dfc5b44be
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.highavailability.nonha.embedded.EmbeddedLeaderService - Received confirmation of leadership for leader http://localhost:41181 , session=a83293c6-3375-4b04-8d7c-247dfc5b44be
[flink-runner-job-server] INFO org.apache.flink.runtime.rpc.akka.AkkaRpcService - Starting RPC endpoint for org.apache.flink.runtime.dispatcher.StandaloneDispatcher at akka://flink/user/dispatcher84efe854-21ca-46bc-8891-4455ae3a586d .
[flink-runner-job-server] INFO org.apache.flink.runtime.highavailability.nonha.embedded.EmbeddedLeaderService - Proposing leadership to contender org.apache.flink.runtime.dispatcher.StandaloneDispatcher@633481c8 @ akka://flink/user/dispatcher84efe854-21ca-46bc-8891-4455ae3a586d
[flink-runner-job-server] INFO org.apache.flink.runtime.minicluster.MiniCluster - Flink Mini Cluster started successfully
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Dispatcher akka://flink/user/dispatcher84efe854-21ca-46bc-8891-4455ae3a586d was granted leadership with fencing token b56de234-2649-40b5-ac3d-b7b579647f2e
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Recovering all persisted jobs.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.highavailability.nonha.embedded.EmbeddedLeaderService - Received confirmation of leadership for leader akka://flink/user/dispatcher84efe854-21ca-46bc-8891-4455ae3a586d , session=b56de234-2649-40b5-ac3d-b7b579647f2e
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Submitting job 9a785e15def502e11c7f166d0990ecc8 (test_windowing_1540123873.46).
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.rpc.akka.AkkaRpcService - Starting RPC endpoint for org.apache.flink.runtime.jobmaster.JobMaster at akka://flink/user/jobmanager_39 .
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.jobmaster.JobMaster - Initializing job test_windowing_1540123873.46 (9a785e15def502e11c7f166d0990ecc8).
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.jobmaster.JobMaster - Using restart strategy NoRestartStrategy for test_windowing_1540123873.46 (9a785e15def502e11c7f166d0990ecc8).
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.rpc.akka.AkkaRpcService - Starting RPC endpoint for org.apache.flink.runtime.jobmaster.slotpool.SlotPool at akka://flink/user/639b9953-64b0-4e6b-bfb6-0338c30b2482 .
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Job recovers via failover strategy: full graph restart
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.jobmaster.JobMaster - Running initialization on master for job test_windowing_1540123873.46 (9a785e15def502e11c7f166d0990ecc8).
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.jobmaster.JobMaster - Successfully ran initialization on master in 0 ms.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.jobmaster.JobMaster - No state backend has been configured, using default (Memory / JobManager) MemoryStateBackend (data in heap memory / checkpoints to JobManager) (checkpoints: 'null', savepoints: 'null', asynchronous: TRUE, maxStateSize: 5242880)
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.highavailability.nonha.embedded.EmbeddedLeaderService - Proposing leadership to contender org.apache.flink.runtime.jobmaster.JobManagerRunner@44e3f321 @ akka://flink/user/jobmanager_39
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.jobmaster.JobManagerRunner - JobManager runner for job test_windowing_1540123873.46 (9a785e15def502e11c7f166d0990ecc8) was granted leadership with session id c4ba9b51-7ce5-4d73-be96-075b9af50924 at akka://flink/user/jobmanager_39.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.jobmaster.JobMaster - Starting execution of job test_windowing_1540123873.46 (9a785e15def502e11c7f166d0990ecc8)
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Job test_windowing_1540123873.46 (9a785e15def502e11c7f166d0990ecc8) switched from state CREATED to RUNNING.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (314e8ff01c7aa0bc2469be94a28d372f) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (3f7942bd7219f28d81a2fab67cc95069) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (b2c78f125a02e6fdef2b6507dc43aefc) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (af5ea99b28569cdf21304c2e8f7236c2) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.jobmaster.slotpool.SlotPool - Cannot serve slot request, no ResourceManager connected. Adding as pending request [SlotRequestId{90872390ccc27f6b6d161b5d4528260c}]
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - ToKeyedWorkItem (1/1) (2eef14d8dce2ce4a128c32c296272275) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (596ec99fea597dd6f077d96ce7cdbcd9) switched from CREATED to SCHEDULED.
[jobmanager-future-thread-1] INFO org.apache.flink.runtime.highavailability.nonha.embedded.EmbeddedLeaderService - Received confirmation of leadership for leader akka://flink/user/jobmanager_39 , session=c4ba9b51-7ce5-4d73-be96-075b9af50924
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.jobmaster.JobMaster - Connecting to ResourceManager akka://flink/user/resourcemanager_3f83cb77-e463-4f9d-879f-ebff244e4846(b1c3a342f05cf280975901ab08c84e7e)
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.jobmaster.JobMaster - Resolved ResourceManager address, beginning registration
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.jobmaster.JobMaster - Registration at ResourceManager attempt 1 (timeout=100ms)
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.resourcemanager.StandaloneResourceManager - Registering job manager be96075b9af50924c4ba9b517ce54d73@akka://flink/user/jobmanager_39 for job 9a785e15def502e11c7f166d0990ecc8.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.resourcemanager.StandaloneResourceManager - Registered job manager be96075b9af50924c4ba9b517ce54d73@akka://flink/user/jobmanager_39 for job 9a785e15def502e11c7f166d0990ecc8.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.jobmaster.JobMaster - JobManager successfully registered at ResourceManager, leader id: b1c3a342f05cf280975901ab08c84e7e.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.jobmaster.slotpool.SlotPool - Requesting new slot [SlotRequestId{90872390ccc27f6b6d161b5d4528260c}] and profile ResourceProfile{cpuCores=-1.0, heapMemoryInMB=-1, directMemoryInMB=0, nativeMemoryInMB=0, networkMemoryInMB=0} from resource manager.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.resourcemanager.StandaloneResourceManager - Request slot with profile ResourceProfile{cpuCores=-1.0, heapMemoryInMB=-1, directMemoryInMB=0, nativeMemoryInMB=0, networkMemoryInMB=0} for job 9a785e15def502e11c7f166d0990ecc8 with allocation id AllocationID{79c4974a25ca478c4277a7bd724b3697}.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Receive slot request AllocationID{79c4974a25ca478c4277a7bd724b3697} for job 9a785e15def502e11c7f166d0990ecc8 from resource manager with leader id b1c3a342f05cf280975901ab08c84e7e.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Allocated slot for AllocationID{79c4974a25ca478c4277a7bd724b3697}.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Add job 9a785e15def502e11c7f166d0990ecc8 for job leader monitoring.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Try to register at job manager akka://flink/user/jobmanager_39 with leader id c4ba9b51-7ce5-4d73-be96-075b9af50924.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Resolved JobManager address, beginning registration
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Registration at JobManager attempt 1 (timeout=100ms)
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Successful registration at job manager akka://flink/user/jobmanager_39 for job 9a785e15def502e11c7f166d0990ecc8.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Establish JobManager connection for job 9a785e15def502e11c7f166d0990ecc8.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Offer reserved slots to the leader of job 9a785e15def502e11c7f166d0990ecc8.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Activate slot AllocationID{79c4974a25ca478c4277a7bd724b3697}.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (3f7942bd7219f28d81a2fab67cc95069) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (314e8ff01c7aa0bc2469be94a28d372f) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (b2c78f125a02e6fdef2b6507dc43aefc) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (af5ea99b28569cdf21304c2e8f7236c2) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - ToKeyedWorkItem (1/1) (2eef14d8dce2ce4a128c32c296272275) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying ToKeyedWorkItem (1/1) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (596ec99fea597dd6f077d96ce7cdbcd9) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1).
[Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (3f7942bd7219f28d81a2fab67cc95069) switched from CREATED to DEPLOYING.
[Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (3f7942bd7219f28d81a2fab67cc95069) [DEPLOYING]
[Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (3f7942bd7219f28d81a2fab67cc95069) [DEPLOYING].
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1).
[Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (3f7942bd7219f28d81a2fab67cc95069) [DEPLOYING].
[Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (314e8ff01c7aa0bc2469be94a28d372f) switched from CREATED to DEPLOYING.
[Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (314e8ff01c7aa0bc2469be94a28d372f) [DEPLOYING]
[Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (314e8ff01c7aa0bc2469be94a28d372f) [DEPLOYING].
[Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (314e8ff01c7aa0bc2469be94a28d372f) [DEPLOYING].
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1).
[Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (b2c78f125a02e6fdef2b6507dc43aefc) switched from CREATED to DEPLOYING.
[Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (b2c78f125a02e6fdef2b6507dc43aefc) [DEPLOYING]
[Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (b2c78f125a02e6fdef2b6507dc43aefc) [DEPLOYING].
[Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (b2c78f125a02e6fdef2b6507dc43aefc) [DEPLOYING].
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1).
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (af5ea99b28569cdf21304c2e8f7236c2) switched from CREATED to DEPLOYING.
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (af5ea99b28569cdf21304c2e8f7236c2) [DEPLOYING]
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (af5ea99b28569cdf21304c2e8f7236c2) [DEPLOYING].
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (af5ea99b28569cdf21304c2e8f7236c2) [DEPLOYING].
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task ToKeyedWorkItem (1/1).
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - ToKeyedWorkItem (1/1) (2eef14d8dce2ce4a128c32c296272275) switched from CREATED to DEPLOYING.
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task ToKeyedWorkItem (1/1) (2eef14d8dce2ce4a128c32c296272275) [DEPLOYING]
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task ToKeyedWorkItem (1/1) (2eef14d8dce2ce4a128c32c296272275) [DEPLOYING].
[Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (b2c78f125a02e6fdef2b6507dc43aefc) switched from DEPLOYING to RUNNING.
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: ToKeyedWorkItem (1/1) (2eef14d8dce2ce4a128c32c296272275) [DEPLOYING].
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (b2c78f125a02e6fdef2b6507dc43aefc) switched from DEPLOYING to RUNNING.
[Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.streaming.runtime.tasks.StreamTask - No state backend has been configured, using default (Memory / JobManager) MemoryStateBackend (data in heap memory / checkpoints to JobManager) (checkpoints: 'null', savepoints: 'null', asynchronous: TRUE, maxStateSize: 5242880)
[Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (3f7942bd7219f28d81a2fab67cc95069) switched from DEPLOYING to RUNNING.
[Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (314e8ff01c7aa0bc2469be94a28d372f) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (3f7942bd7219f28d81a2fab67cc95069) switched from DEPLOYING to RUNNING.
[Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.streaming.runtime.tasks.StreamTask - No state backend has been configured, using default (Memory / JobManager) MemoryStateBackend (data in heap memory / checkpoints to JobManager) (checkpoints: 'null', savepoints: 'null', asynchronous: TRUE, maxStateSize: 5242880)
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (314e8ff01c7aa0bc2469be94a28d372f) switched from DEPLOYING to RUNNING.
[Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.streaming.runtime.tasks.StreamTask - No state backend has been configured, using default (Memory / JobManager) MemoryStateBackend (data in heap memory / checkpoints to JobManager) (checkpoints: 'null', savepoints: 'null', asynchronous: TRUE, maxStateSize: 5242880)
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1).
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (af5ea99b28569cdf21304c2e8f7236c2) switched from DEPLOYING to RUNNING.
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.streaming.runtime.tasks.StreamTask - No state backend has been configured, using default (Memory / JobManager) MemoryStateBackend (data in heap memory / checkpoints to JobManager) (checkpoints: 'null', savepoints: 'null', asynchronous: TRUE, maxStateSize: 5242880)
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (af5ea99b28569cdf21304c2e8f7236c2) switched from DEPLOYING to RUNNING.
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (596ec99fea597dd6f077d96ce7cdbcd9) switched from CREATED to DEPLOYING.
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak safety net for task assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (596ec99fea597dd6f077d96ce7cdbcd9) [DEPLOYING]
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (596ec99fea597dd6f077d96ce7cdbcd9) [DEPLOYING].
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (596ec99fea597dd6f077d96ce7cdbcd9) [DEPLOYING].
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - ToKeyedWorkItem (1/1) (2eef14d8dce2ce4a128c32c296272275) switched from DEPLOYING to RUNNING.
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.streaming.runtime.tasks.StreamTask - No state backend has been configured, using default (Memory / JobManager) MemoryStateBackend (data in heap memory / checkpoints to JobManager) (checkpoints: 'null', savepoints: 'null', asynchronous: TRUE, maxStateSize: 5242880)
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (596ec99fea597dd6f077d96ce7cdbcd9) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - ToKeyedWorkItem (1/1) (2eef14d8dce2ce4a128c32c296272275) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (596ec99fea597dd6f077d96ce7cdbcd9) switched from DEPLOYING to RUNNING.
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.streaming.runtime.tasks.StreamTask - No state backend has been configured, using default (Memory / JobManager) MemoryStateBackend (data in heap memory / checkpoints to JobManager) (checkpoints: 'null', savepoints: 'null', asynchronous: TRUE, maxStateSize: 5242880)
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.state.heap.HeapKeyedStateBackend - Initializing heap keyed state backend with stream factory.
[Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] WARN org.apache.flink.metrics.MetricGroup - The operator name 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 exceeded the 80 characters length limit and was truncated.
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.state.heap.HeapKeyedStateBackend - Initializing heap keyed state backend with stream factory.
[Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.state.heap.HeapKeyedStateBackend - Initializing heap keyed state backend with stream factory.
[Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1)] WARN org.apache.beam.runners.fnexecution.environment.DockerCommand - Unable to pull docker image jenkins-docker-apache.bintray.io/beam/python:latest, cause: Received exit code 1 for command 'docker pull jenkins-docker-apache.bintray.io/beam/python:latest'. stderr: Error response from daemon: unknown: Repo 'apache' was not found
[grpc-default-executor-0] INFO org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactRetrievalService - GetManifest for /tmp/flinktestWeBJSP/job_d77e1037-e1d4-4497-8020-2248503a1edd/MANIFEST
[grpc-default-executor-0] INFO org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactRetrievalService - Loading manifest for retrieval token /tmp/flinktestWeBJSP/job_d77e1037-e1d4-4497-8020-2248503a1edd/MANIFEST
[grpc-default-executor-0] INFO org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactRetrievalService - Manifest at /tmp/flinktestWeBJSP/job_d77e1037-e1d4-4497-8020-2248503a1edd/MANIFEST has 0 artifact locations
[grpc-default-executor-0] INFO org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactRetrievalService - GetManifest for /tmp/flinktestWeBJSP/job_d77e1037-e1d4-4497-8020-2248503a1edd/MANIFEST -> 0 artifacts
[grpc-default-executor-0] INFO org.apache.beam.runners.fnexecution.logging.GrpcLoggingService - Beam Fn Logging client connected.
[grpc-default-executor-0] INFO sdk_worker_main.main - Logging handler created.
[grpc-default-executor-0] INFO sdk_worker_main.start - Status HTTP server running at localhost:39439
[grpc-default-executor-0] INFO sdk_worker_main.main - semi_persistent_directory: /tmp
[grpc-default-executor-0] WARN sdk_worker_main._load_main_session - No session file found: /tmp/staged/pickled_main_session. Functions defined in __main__ (interactive session) may fail. 
[grpc-default-executor-0] INFO pipeline_options.get_all_options - Parsing unknown args: [u'--options_id=20', u'--direct_runner_use_stacked_bundle', u'--pipeline_type_check', u'--sdk_worker_parallelism=pipeline']
[grpc-default-executor-0] INFO sdk_worker_main.main - Python sdk harness started with pipeline_options: {'runner': u'None', 'streaming': True, 'experiments': [u'beam_fn_api'], 'sdk_location': u'container', 'flink_master': '[auto]', 'direct_runner_use_stacked_bundle': None, 'sdk_worker_parallelism': u'pipeline', 'job_name': u'test_windowing_1540123873.46', 'options_id': u'20', 'pipeline_type_check': None, 'parallelism': 1, 'job_endpoint': u'localhost:59159'}
[grpc-default-executor-0] INFO sdk_worker.__init__ - Creating insecure control channel.
[grpc-default-executor-0] INFO sdk_worker.__init__ - Control channel established.
[grpc-default-executor-0] INFO sdk_worker.__init__ - Initializing SDKHarness with 12 workers.
[grpc-default-executor-0] INFO org.apache.beam.runners.fnexecution.control.FnApiControlClientPoolService - Beam Fn Control client connected with id 1
[grpc-default-executor-0] INFO sdk_worker.create_state_handler - Creating channel for localhost:34955
[grpc-default-executor-0] INFO data_plane.create_data_channel - Creating channel for localhost:38013
[grpc-default-executor-0] INFO org.apache.beam.runners.fnexecution.data.GrpcDataService - Beam Fn Data client connected.
[Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (3f7942bd7219f28d81a2fab67cc95069) switched from RUNNING to FINISHED.
[Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (3f7942bd7219f28d81a2fab67cc95069).
[Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (3f7942bd7219f28d81a2fab67cc95069) [FINISHED]
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 3f7942bd7219f28d81a2fab67cc95069.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) (3f7942bd7219f28d81a2fab67cc95069) switched from RUNNING to FINISHED.
[Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (314e8ff01c7aa0bc2469be94a28d372f) switched from RUNNING to FINISHED.
[Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (314e8ff01c7aa0bc2469be94a28d372f).
[Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (314e8ff01c7aa0bc2469be94a28d372f) [FINISHED]
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem 314e8ff01c7aa0bc2469be94a28d372f.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> 19Create/Read/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (314e8ff01c7aa0bc2469be94a28d372f) switched from RUNNING to FINISHED.
[Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (b2c78f125a02e6fdef2b6507dc43aefc) switched from RUNNING to FINISHED.
[Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (b2c78f125a02e6fdef2b6507dc43aefc).
[Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (b2c78f125a02e6fdef2b6507dc43aefc) [FINISHED]
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem b2c78f125a02e6fdef2b6507dc43aefc.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Create/Read/Reshuffle/ReshufflePerKey/GroupByKey -> 62Create/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) (b2c78f125a02e6fdef2b6507dc43aefc) switched from RUNNING to FINISHED.
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (af5ea99b28569cdf21304c2e8f7236c2) switched from RUNNING to FINISHED.
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (af5ea99b28569cdf21304c2e8f7236c2).
[GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (af5ea99b28569cdf21304c2e8f7236c2) [FINISHED]
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 af5ea99b28569cdf21304c2e8f7236c2.
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - ToKeyedWorkItem (1/1) (2eef14d8dce2ce4a128c32c296272275) switched from RUNNING to FINISHED.
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for ToKeyedWorkItem (1/1) (2eef14d8dce2ce4a128c32c296272275).
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task ToKeyedWorkItem (1/1) (2eef14d8dce2ce4a128c32c296272275) [FINISHED]
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupByKey -> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (af5ea99b28569cdf21304c2e8f7236c2) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task ToKeyedWorkItem 2eef14d8dce2ce4a128c32c296272275.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - ToKeyedWorkItem (1/1) (2eef14d8dce2ce4a128c32c296272275) switched from RUNNING to FINISHED.
[grpc-default-executor-0] INFO sdk_worker.run - No more requests from control plane
[grpc-default-executor-0] INFO sdk_worker.run - SDK Harness waiting for in-flight requests to complete
[grpc-default-executor-0] WARN org.apache.beam.sdk.fn.data.BeamFnDataGrpcMultiplexer - Hanged up for unknown endpoint.
[grpc-default-executor-1] INFO data_plane.close - Closing all cached grpc data channels.
[grpc-default-executor-1] INFO sdk_worker.close - Closing all cached gRPC state handlers.
[grpc-default-executor-1] INFO sdk_worker.run - Done consuming work.
[grpc-default-executor-1] INFO sdk_worker_main.main - Python sdk harness exiting.
[grpc-default-executor-1] INFO org.apache.beam.runners.fnexecution.logging.GrpcLoggingService - Logging client hanged up.
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] WARN org.apache.beam.sdk.fn.data.BeamFnDataGrpcMultiplexer - Hanged up for unknown endpoint.
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (596ec99fea597dd6f077d96ce7cdbcd9) switched from RUNNING to FINISHED.
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (596ec99fea597dd6f077d96ce7cdbcd9).
[assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are closed for task assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (596ec99fea597dd6f077d96ce7cdbcd9) [FINISHED]
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and sending final execution state FINISHED to JobManager for task assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 596ec99fea597dd6f077d96ce7cdbcd9.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - assert_that/Group/GroupByKey -> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) (596ec99fea597dd6f077d96ce7cdbcd9) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Job test_windowing_1540123873.46 (9a785e15def502e11c7f166d0990ecc8) switched from state RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.checkpoint.CheckpointCoordinator - Stopping checkpoint coordinator for job 9a785e15def502e11c7f166d0990ecc8.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.checkpoint.StandaloneCompletedCheckpointStore - Shutting down
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Job 9a785e15def502e11c7f166d0990ecc8 reached globally terminal state FINISHED.
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.jobmaster.JobMaster - Stopping the JobMaster for job test_windowing_1540123873.46(9a785e15def502e11c7f166d0990ecc8).
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Close JobManager connection for job 9a785e15def502e11c7f166d0990ecc8.
[flink-runner-job-server] INFO org.apache.flink.runtime.minicluster.MiniCluster - Shutting down Flink Mini Cluster
[flink-akka.actor.default-dispatcher-3] INFO org.apache.flink.runtime.jobmaster.JobMaster - Close ResourceManager connection 79997266121c06fc6eb70b14a13d14de: JobManager is shutting down..
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.jobmaster.slotpool.SlotPool - Suspending SlotPool.
[flink-runner-job-server] INFO org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint - Shutting down rest endpoint.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.resourcemanager.StandaloneResourceManager - Disconnect job manager be96075b9af50924c4ba9b517ce54d73@akka://flink/user/jobmanager_39 for job 9a785e15def502e11c7f166d0990ecc8 from the resource manager.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Stopping dispatcher akka://flink/user/dispatcher84efe854-21ca-46bc-8891-4455ae3a586d.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Stopping all currently running jobs of dispatcher akka://flink/user/dispatcher84efe854-21ca-46bc-8891-4455ae3a586d.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Free slot TaskSlot(index:0, state:ALLOCATED, resource profile: ResourceProfile{cpuCores=1.0, heapMemoryInMB=42, directMemoryInMB=0, nativeMemoryInMB=0, networkMemoryInMB=0}, allocationId: AllocationID{79c4974a25ca478c4277a7bd724b3697}, jobId: 9a785e15def502e11c7f166d0990ecc8).
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Remove job 9a785e15def502e11c7f166d0990ecc8 from job leader monitoring.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Could not resolve JobManager address akka://flink/user/jobmanager_39, retrying in 10000 ms: Could not connect to rpc endpoint under address akka://flink/user/jobmanager_39..
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.resourcemanager.slotmanager.SlotManager - Closing the SlotManager.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.resourcemanager.slotmanager.SlotManager - Suspending the SlotManager.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.resourcemanager.slotmanager.SlotManager - Unregister TaskManager e7e799514961f3f4383e479ea037f628 from the SlotManager.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Close JobManager connection for job 9a785e15def502e11c7f166d0990ecc8.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.rpc.akka.AkkaRpcActor - The rpc endpoint org.apache.flink.runtime.jobmaster.slotpool.SlotPool has not been started yet. Discarding message org.apache.flink.runtime.rpc.messages.LocalRpcInvocation until processing is started.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Stopping TaskExecutor akka://flink/user/taskmanager_38.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.state.TaskExecutorLocalStateStoresManager - Shutting down TaskExecutorLocalStateStoresManager.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.io.disk.iomanager.IOManager - I/O manager removed spill file directory /tmp/flink-io-5db6371a-1891-4a4f-8118-77285e9df245
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.io.network.NetworkEnvironment - Shutting down the network environment and its components.
[flink-akka.actor.default-dispatcher-5] INFO org.apache.flink.runtime.jobmaster.slotpool.SlotPool - Stopping SlotPool.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.JobLeaderService - Stop job leader service.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.taskexecutor.TaskExecutor - Stopped TaskExecutor akka://flink/user/taskmanager_38.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.rest.handler.legacy.backpressure.StackTraceSampleCoordinator - Shutting down stack trace sample coordinator.
[flink-akka.actor.default-dispatcher-4] INFO org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Stopped dispatcher akka://flink/user/dispatcher84efe854-21ca-46bc-8891-4455ae3a586d.
[ForkJoinPool.commonPool-worker-9] INFO org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint - Removing cache directory /tmp/flink-web-ui
[ForkJoinPool.commonPool-worker-9] INFO org.apache.flink.runtime.rpc.akka.AkkaRpcService - Stopping Akka RPC service.
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.blob.PermanentBlobCache - Shutting down BLOB cache
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.blob.TransientBlobCache - Shutting down BLOB cache
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.blob.BlobServer - Stopped BLOB server at 0.0.0.0:40615
[flink-akka.actor.default-dispatcher-2] INFO org.apache.flink.runtime.rpc.akka.AkkaRpcService - Stopped Akka RPC service.
[flink-runner-job-server] INFO org.apache.beam.runners.flink.FlinkRunner - Execution finished in 2378 msecs
[flink-runner-job-server] INFO org.apache.beam.runners.flink.FlinkRunner - Final accumulator values:
[flink-runner-job-server] INFO org.apache.beam.runners.flink.FlinkRunner - __metricscontainers : org.apache.beam.runners.core.metrics.MetricsContainerStepMap@dc4a406e
.
----------------------------------------------------------------------
Ran 26 tests in 84.500s

OK (skipped=8)
Segmentation fault (core dumped)

> Task :beam-sdks-python:flinkCompatibilityMatrixStreamingDOCKER FAILED
:beam-sdks-python:flinkCompatibilityMatrixStreamingDOCKER (Thread[Task worker for ':',5,main]) completed. Took 1 mins 27.105 secs.

FAILURE: Build failed with an exception.

* Where:
Build file '<https://builds.apache.org/job/beam_PostCommit_Python_VR_Flink/ws/src/sdks/python/build.gradle'> line: 367

* What went wrong:
Execution failed for task ':beam-sdks-python:flinkCompatibilityMatrixStreamingDOCKER'.
> Process 'command 'sh'' finished with non-zero exit value 139

* Try:
Run with --stacktrace option to get the stack trace. Run with --debug option to get more log output. Run with --scan to get full insights.

* Get more help at https://help.gradle.org

Deprecated Gradle features were used in this build, making it incompatible with Gradle 5.0.
Use '--warning-mode all' to show the individual deprecation warnings.
See https://docs.gradle.org/4.10.2/userguide/command_line_interface.html#sec:command_line_warnings

BUILD FAILED in 11m 9s
61 actionable tasks: 56 executed, 4 from cache, 1 up-to-date

Publishing build scan...
https://gradle.com/s/b7rqsoeaa6faa

Build step 'Invoke Gradle script' changed build result to FAILURE
Build step 'Invoke Gradle script' marked build as failure