See 
<https://builds.apache.org/job/beam_PostCommit_Python_VR_Flink/566/display/redirect>

------------------------------------------
[...truncated 4.45 MB...]
[flink-akka.actor.default-dispatcher-3] INFO 
org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint - 
http://localhost:46733 was granted leadership with 
leaderSessionID=13f28da4-0a03-49dd-bebe-9a689d93aa81
[flink-akka.actor.default-dispatcher-3] INFO 
org.apache.flink.runtime.highavailability.nonha.embedded.EmbeddedLeaderService 
- Received confirmation of leadership for leader http://localhost:46733 , 
session=13f28da4-0a03-49dd-bebe-9a689d93aa81
[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/dispatcher7ad245a6-d158-4dad-b14a-b0bb2f2a86dd .
[flink-runner-job-server] INFO 
org.apache.flink.runtime.highavailability.nonha.embedded.EmbeddedLeaderService 
- Proposing leadership to contender 
org.apache.flink.runtime.dispatcher.StandaloneDispatcher@5c5547b0 @ 
akka://flink/user/dispatcher7ad245a6-d158-4dad-b14a-b0bb2f2a86dd
[flink-runner-job-server] INFO org.apache.flink.runtime.minicluster.MiniCluster 
- Flink Mini Cluster started successfully
[flink-akka.actor.default-dispatcher-5] INFO 
org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Dispatcher 
akka://flink/user/dispatcher7ad245a6-d158-4dad-b14a-b0bb2f2a86dd was granted 
leadership with fencing token 8174f6e2-dc02-4c77-8adc-405fa6e278fb
[flink-akka.actor.default-dispatcher-5] INFO 
org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Recovering all 
persisted jobs.
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.highavailability.nonha.embedded.EmbeddedLeaderService 
- Received confirmation of leadership for leader 
akka://flink/user/dispatcher7ad245a6-d158-4dad-b14a-b0bb2f2a86dd , 
session=8174f6e2-dc02-4c77-8adc-405fa6e278fb
[flink-akka.actor.default-dispatcher-3] INFO 
org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Submitting job 
fd6f0cbf16c1f247050721c7e4196556 (test_windowing_1540879928.49).
[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_41 
.
[flink-akka.actor.default-dispatcher-3] INFO 
org.apache.flink.runtime.jobmaster.JobMaster - Initializing job 
test_windowing_1540879928.49 (fd6f0cbf16c1f247050721c7e4196556).
[flink-akka.actor.default-dispatcher-3] INFO 
org.apache.flink.runtime.jobmaster.JobMaster - Using restart strategy 
NoRestartStrategy for test_windowing_1540879928.49 
(fd6f0cbf16c1f247050721c7e4196556).
[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/9f8e7f60-e399-49fc-ad4e-f947e3922787 .
[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_1540879928.49 (fd6f0cbf16c1f247050721c7e4196556).
[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@49a54f1d @ 
akka://flink/user/jobmanager_41
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.jobmaster.JobManagerRunner - JobManager runner for job 
test_windowing_1540879928.49 (fd6f0cbf16c1f247050721c7e4196556) was granted 
leadership with session id 31e74ae3-2773-42c9-80e6-b852b9923423 at 
akka://flink/user/jobmanager_41.
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.jobmaster.JobMaster - Starting execution of job 
test_windowing_1540879928.49 (fd6f0cbf16c1f247050721c7e4196556)
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - Job 
test_windowing_1540879928.49 (fd6f0cbf16c1f247050721c7e4196556) switched from 
state CREATED to RUNNING.
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source 
-> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) 
(5134a76cd2770564fc50d6a2ac4444a5) 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) 
(f1a549e663fed9581637293559b37610) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - 
Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 
72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0
 -> ToKeyedWorkItem (1/1) (f5acb520ef4463929d9c3e1d84669438) 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) 
(93c0234330cb9a4673d6717637678eed) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - ToKeyedWorkItem (1/1) 
(050f30a8229efbca44046ea858bf94c2) 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{d5e9c4a6f444b44cfa2ed7ee4d9140eb}]
[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) 
(4ccf3092c4220d1a89c7b2db3aa38307) 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_41 , session=31e74ae3-2773-42c9-80e6-b852b9923423
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.jobmaster.JobMaster - Connecting to ResourceManager 
akka://flink/user/resourcemanager_e6def4a9-8722-49a0-ab0a-a6f5457cc885(8033d967d764de3fa0431d8c31dc41ca)
[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 
80e6b852b992342331e74ae3277342c9@akka://flink/user/jobmanager_41 for job 
fd6f0cbf16c1f247050721c7e4196556.
[flink-akka.actor.default-dispatcher-5] INFO 
org.apache.flink.runtime.resourcemanager.StandaloneResourceManager - Registered 
job manager 80e6b852b992342331e74ae3277342c9@akka://flink/user/jobmanager_41 
for job fd6f0cbf16c1f247050721c7e4196556.
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.jobmaster.JobMaster - JobManager successfully 
registered at ResourceManager, leader id: 8033d967d764de3fa0431d8c31dc41ca.
[flink-akka.actor.default-dispatcher-3] INFO 
org.apache.flink.runtime.jobmaster.slotpool.SlotPool - Requesting new slot 
[SlotRequestId{d5e9c4a6f444b44cfa2ed7ee4d9140eb}] 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 
fd6f0cbf16c1f247050721c7e4196556 with allocation id 
AllocationID{6fb4f0e11cb48a7630d83d9d75c60401}.
[flink-akka.actor.default-dispatcher-3] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Receive slot request 
AllocationID{6fb4f0e11cb48a7630d83d9d75c60401} for job 
fd6f0cbf16c1f247050721c7e4196556 from resource manager with leader id 
8033d967d764de3fa0431d8c31dc41ca.
[flink-akka.actor.default-dispatcher-3] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Allocated slot for 
AllocationID{6fb4f0e11cb48a7630d83d9d75c60401}.
[flink-akka.actor.default-dispatcher-3] INFO 
org.apache.flink.runtime.taskexecutor.JobLeaderService - Add job 
fd6f0cbf16c1f247050721c7e4196556 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_41 with leader id 
31e74ae3-2773-42c9-80e6-b852b9923423.
[flink-akka.actor.default-dispatcher-3] INFO 
org.apache.flink.runtime.taskexecutor.JobLeaderService - Resolved JobManager 
address, beginning registration
[flink-akka.actor.default-dispatcher-3] INFO 
org.apache.flink.runtime.taskexecutor.JobLeaderService - Registration at 
JobManager attempt 1 (timeout=100ms)
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.taskexecutor.JobLeaderService - Successful 
registration at job manager akka://flink/user/jobmanager_41 for job 
fd6f0cbf16c1f247050721c7e4196556.
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Establish JobManager 
connection for job fd6f0cbf16c1f247050721c7e4196556.
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Offer reserved slots to 
the leader of job fd6f0cbf16c1f247050721c7e4196556.
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Activate slot 
AllocationID{6fb4f0e11cb48a7630d83d9d75c60401}.
[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) 
(f1a549e663fed9581637293559b37610) 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 
-> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) 
(5134a76cd2770564fc50d6a2ac4444a5) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying Source: 
Custom Source -> 14Create/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/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 
72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0
 -> ToKeyedWorkItem (1/1) (f5acb520ef4463929d9c3e1d84669438) switched from 
SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying 
Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 
72Create/MaybeReshuffle/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) 
(93c0234330cb9a4673d6717637678eed) 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-5] 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) 
(050f30a8229efbca44046ea858bf94c2) 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) 
(f1a549e663fed9581637293559b37610) 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) 
(f1a549e663fed9581637293559b37610) [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) 
(4ccf3092c4220d1a89c7b2db3aa38307) 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 - Loading JAR files for task Source: 
Custom Source -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) 
(f1a549e663fed9581637293559b37610) [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-5] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task Source: 
Custom Source -> 14Create/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) (f1a549e663fed9581637293559b37610) [DEPLOYING].
[Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> 
ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Source: 
Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem 
(1/1) (5134a76cd2770564fc50d6a2ac4444a5) switched from CREATED to DEPLOYING.
[Source: Custom Source -> 14Create/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 -> 
14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) 
(5134a76cd2770564fc50d6a2ac4444a5) [DEPLOYING]
[Source: Custom Source -> 14Create/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 -> 
14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) 
(5134a76cd2770564fc50d6a2ac4444a5) [DEPLOYING].
[Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> 
ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - 
Registering task at network: Source: Custom Source -> 
14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) 
(5134a76cd2770564fc50d6a2ac4444a5) [DEPLOYING].
[flink-akka.actor.default-dispatcher-5] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task 
Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 
72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0
 -> ToKeyedWorkItem (1/1).
[Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 
72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0
 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - 
Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 
72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0
 -> ToKeyedWorkItem (1/1) (f5acb520ef4463929d9c3e1d84669438) switched from 
CREATED to DEPLOYING.
[Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 
72Create/MaybeReshuffle/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/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 
72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0
 -> ToKeyedWorkItem (1/1) (f5acb520ef4463929d9c3e1d84669438) [DEPLOYING]
[Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 
72Create/MaybeReshuffle/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/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 
72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0
 -> ToKeyedWorkItem (1/1) (f5acb520ef4463929d9c3e1d84669438) [DEPLOYING].
[flink-akka.actor.default-dispatcher-5] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task GroupByKey 
-> 24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1).
[Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 
72Create/MaybeReshuffle/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/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 
72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0
 -> ToKeyedWorkItem (1/1) (f5acb520ef4463929d9c3e1d84669438) [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) 
(93c0234330cb9a4673d6717637678eed) 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) 
(93c0234330cb9a4673d6717637678eed) [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) 
(93c0234330cb9a4673d6717637678eed) [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) 
(93c0234330cb9a4673d6717637678eed) [DEPLOYING].
[flink-akka.actor.default-dispatcher-5] 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) (050f30a8229efbca44046ea858bf94c2) 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) 
(050f30a8229efbca44046ea858bf94c2) [DEPLOYING]
[Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> 
ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Source: 
Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem 
(1/1) (5134a76cd2770564fc50d6a2ac4444a5) switched from DEPLOYING to RUNNING.
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - 
Loading JAR files for task ToKeyedWorkItem (1/1) 
(050f30a8229efbca44046ea858bf94c2) [DEPLOYING].
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source 
-> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) 
(5134a76cd2770564fc50d6a2ac4444a5) switched from DEPLOYING to RUNNING.
[Source: Custom Source -> 14Create/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)
[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) 
(f1a549e663fed9581637293559b37610) switched from DEPLOYING to RUNNING.
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - 
Registering task at network: ToKeyedWorkItem (1/1) 
(050f30a8229efbca44046ea858bf94c2) [DEPLOYING].
[flink-akka.actor.default-dispatcher-5] 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-2] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source 
-> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 (1/1) 
(f1a549e663fed9581637293559b37610) 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/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 
72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0
 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - 
Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 
72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0
 -> ToKeyedWorkItem (1/1) (f5acb520ef4463929d9c3e1d84669438) switched from 
DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - 
Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 
72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0
 -> ToKeyedWorkItem (1/1) (f5acb520ef4463929d9c3e1d84669438) switched from 
DEPLOYING to RUNNING.
[Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 
72Create/MaybeReshuffle/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)
[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) 
(4ccf3092c4220d1a89c7b2db3aa38307) 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) 
(4ccf3092c4220d1a89c7b2db3aa38307) [DEPLOYING]
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - 
ToKeyedWorkItem (1/1) (050f30a8229efbca44046ea858bf94c2) 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 - Loading JAR files for task 
assert_that/Group/GroupByKey -> 
42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) 
(4ccf3092c4220d1a89c7b2db3aa38307) [DEPLOYING].
[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.executiongraph.ExecutionGraph - ToKeyedWorkItem (1/1) 
(050f30a8229efbca44046ea858bf94c2) 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 - Registering task at network: 
assert_that/Group/GroupByKey -> 
42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) 
(4ccf3092c4220d1a89c7b2db3aa38307) [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) 
(93c0234330cb9a4673d6717637678eed) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupByKey -> 
24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) 
(93c0234330cb9a4673d6717637678eed) 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) 
(4ccf3092c4220d1a89c7b2db3aa38307) 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-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) 
(4ccf3092c4220d1a89c7b2db3aa38307) switched from DEPLOYING to RUNNING.
[Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 
72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0
 -> ToKeyedWorkItem (1/1)] WARN org.apache.flink.metrics.MetricGroup - The 
operator name 
72Create/MaybeReshuffle/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/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 
72Create/MaybeReshuffle/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.
[Source: Custom Source -> 14Create/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/flinktestITTDa6/job_0f1b75cd-7d2d-4635-b7fa-b60ee45e6227/MANIFEST
[grpc-default-executor-1] INFO 
org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactRetrievalService
 - Loading manifest for retrieval token 
/tmp/flinktestITTDa6/job_0f1b75cd-7d2d-4635-b7fa-b60ee45e6227/MANIFEST
[grpc-default-executor-1] INFO 
org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactRetrievalService
 - Manifest at 
/tmp/flinktestITTDa6/job_0f1b75cd-7d2d-4635-b7fa-b60ee45e6227/MANIFEST has 0 
artifact locations
[grpc-default-executor-1] INFO 
org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactRetrievalService
 - GetManifest for 
/tmp/flinktestITTDa6/job_0f1b75cd-7d2d-4635-b7fa-b60ee45e6227/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:44971
[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'--direct_runner_use_stacked_bundle', u'--options_id=21', 
u'--pipeline_type_check', u'--sdk_worker_parallelism=1']
[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'1', 'job_name': u'test_windowing_1540879928.49', 'options_id': u'21', 
'pipeline_type_check': None, 'parallelism': 1, 'job_endpoint': 
u'localhost:41227'}
[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:38875
[grpc-default-executor-1] WARN bundle_processor.create_operation - No unique 
name set for transform fn/write/ref_PCollection_PCollection_4:0 
[grpc-default-executor-1] WARN bundle_processor.create_operation - No unique 
name set for transform fn/write/ref_PCollection_PCollection_24:1:0 
[grpc-default-executor-1] INFO data_plane.create_data_channel - Creating 
channel for localhost:43897
[grpc-default-executor-1] INFO 
org.apache.beam.runners.fnexecution.data.GrpcDataService - Beam Fn Data client 
connected.
[grpc-default-executor-1] WARN bundle_processor.create_operation - No unique 
name set for transform fn/read/ref_PCollection_PCollection_17:0 
[grpc-default-executor-1] WARN bundle_processor.create_operation - No unique 
name set for transform fn/read/ref_PCollection_PCollection_1:0 
[grpc-default-executor-1] WARN bundle_processor.create_operation - No unique 
name set for transform fn/write/ref_PCollection_PCollection_12:0 
[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) 
(f1a549e663fed9581637293559b37610) 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) 
(f1a549e663fed9581637293559b37610).
[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) 
(f1a549e663fed9581637293559b37610) [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 -> 26assert_that/Create/Impulse.None/beam:env:docker:v1:0 
f1a549e663fed9581637293559b37610.
[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) 
(f1a549e663fed9581637293559b37610) switched from RUNNING to FINISHED.
[Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> 
ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Source: 
Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem 
(1/1) (5134a76cd2770564fc50d6a2ac4444a5) switched from RUNNING to FINISHED.
[Source: Custom Source -> 14Create/Impulse.None/beam:env:docker:v1:0 -> 
ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing 
task resources for Source: Custom Source -> 
14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) 
(5134a76cd2770564fc50d6a2ac4444a5).
[Source: Custom Source -> 14Create/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 -> 
14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) 
(5134a76cd2770564fc50d6a2ac4444a5) [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 -> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem 
5134a76cd2770564fc50d6a2ac4444a5.
[flink-akka.actor.default-dispatcher-5] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source 
-> 14Create/Impulse.None/beam:env:docker:v1:0 -> ToKeyedWorkItem (1/1) 
(5134a76cd2770564fc50d6a2ac4444a5) switched from RUNNING to FINISHED.
[grpc-default-executor-1] WARN bundle_processor.create_operation - No unique 
name set for transform fn/read/ref_PCollection_PCollection_7:0 
[Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 
72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0
 -> ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - 
Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 
72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0
 -> ToKeyedWorkItem (1/1) (f5acb520ef4463929d9c3e1d84669438) switched from 
RUNNING to FINISHED.
[Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 
72Create/MaybeReshuffle/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/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 
72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0
 -> ToKeyedWorkItem (1/1) (f5acb520ef4463929d9c3e1d84669438).
[Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 
72Create/MaybeReshuffle/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/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 
72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0
 -> ToKeyedWorkItem (1/1) (f5acb520ef4463929d9c3e1d84669438) [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/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 
72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0
 -> ToKeyedWorkItem f5acb520ef4463929d9c3e1d84669438.
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - 
Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey -> 
72Create/MaybeReshuffle/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0
 -> ToKeyedWorkItem (1/1) (f5acb520ef4463929d9c3e1d84669438) switched from 
RUNNING to FINISHED.
[grpc-default-executor-1] WARN bundle_processor.create_operation - No unique 
name set for transform fn/write/ref_PCollection_PCollection_24:0:0 
[grpc-default-executor-1] WARN bundle_processor.create_operation - No unique 
name set for transform fn/read/ref_PCollection_PCollection_15:0 
[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) 
(93c0234330cb9a4673d6717637678eed) 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) 
(93c0234330cb9a4673d6717637678eed).
[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) 
(93c0234330cb9a4673d6717637678eed) [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 GroupByKey -> 
24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 
93c0234330cb9a4673d6717637678eed.
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - 
ToKeyedWorkItem (1/1) (050f30a8229efbca44046ea858bf94c2) switched from RUNNING 
to FINISHED.
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - 
Freeing task resources for ToKeyedWorkItem (1/1) 
(050f30a8229efbca44046ea858bf94c2).
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - 
Ensuring all FileSystem streams are closed for task ToKeyedWorkItem (1/1) 
(050f30a8229efbca44046ea858bf94c2) [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 
050f30a8229efbca44046ea858bf94c2.
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupByKey -> 
24GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) 
(93c0234330cb9a4673d6717637678eed) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - ToKeyedWorkItem (1/1) 
(050f30a8229efbca44046ea858bf94c2) switched from RUNNING to FINISHED.
[grpc-default-executor-1] WARN bundle_processor.create_operation - No unique 
name set for transform fn/read/ref_PCollection_PCollection_27:0 
[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-2] 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 
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[grpc-default-executor-2] INFO sdk_worker.run - Done consuming work.
[grpc-default-executor-2] INFO sdk_worker_main.main - Python sdk harness 
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WARN org.apache.beam.sdk.fn.data.BeamFnDataGrpcMultiplexer - Hanged up for 
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[assert_that/Group/GroupByKey -> 
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INFO org.apache.flink.runtime.taskmanager.Task - assert_that/Group/GroupByKey 
-> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (1/1) 
(4ccf3092c4220d1a89c7b2db3aa38307) 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) 
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INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem 
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[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 
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[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - 
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[flink-akka.actor.default-dispatcher-2] INFO 
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fd6f0cbf16c1f247050721c7e4196556 reached globally terminal state FINISHED.
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org.apache.flink.runtime.jobmaster.JobMaster - Stopping the JobMaster for job 
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org.apache.flink.runtime.jobmaster.JobMaster - Close ResourceManager connection 
0b2e002658edfd40be543dc87a2b179f: JobManager is shutting down..
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org.apache.flink.runtime.resourcemanager.StandaloneResourceManager - Disconnect 
job manager 80e6b852b992342331e74ae3277342c9@akka://flink/user/jobmanager_41 
for job fd6f0cbf16c1f247050721c7e4196556 from the resource manager.
[flink-runner-job-server] INFO org.apache.flink.runtime.minicluster.MiniCluster 
- Shutting down Flink Mini Cluster
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org.apache.flink.runtime.taskexecutor.TaskExecutor - JobManager for job 
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[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Free slot 
TaskSlot(index:0, state:ALLOCATED, resource profile: 
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nativeMemoryInMB=0, networkMemoryInMB=0}, allocationId: 
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org.apache.flink.runtime.taskexecutor.JobLeaderService - Remove job 
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org.apache.flink.runtime.taskexecutor.TaskExecutor - Close JobManager 
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org.apache.flink.runtime.taskexecutor.TaskExecutor - Stopping TaskExecutor 
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spill file directory /tmp/flink-io-c6ab4210-198c-406e-afa8-bdc107843c6e
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[flink-runner-job-server] INFO org.apache.beam.runners.flink.FlinkRunner - 
Execution finished in 1890 msecs
[flink-runner-job-server] INFO org.apache.beam.runners.flink.FlinkRunner - 
Final accumulator values:
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__metricscontainers : 
org.apache.beam.runners.core.metrics.MetricsContainerStepMap@9328009c
.
----------------------------------------------------------------------
Ran 26 tests in 74.792s

OK (skipped=7)
:beam-sdks-python:flinkCompatibilityMatrixStreamingDOCKER (Thread[Task worker 
for ':' Thread 5,5,main]) completed. Took 1 mins 16.86 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: 378

* What went wrong:
Execution failed for task 
':beam-sdks-python:flinkCompatibilityMatrixBatchDOCKER'.
> 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 12m 0s
60 actionable tasks: 55 executed, 4 from cache, 1 up-to-date

Publishing build scan...
https://gradle.com/s/kpauqamgah43i

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

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