See 
<https://builds.apache.org/job/beam_PostCommit_Python35_VR_Flink/291/display/redirect?page=changes>

Changes:

[jeff] [BEAM-8540] Fix CSVSink example in FileIO docs


------------------------------------------
[...truncated 30.80 MB...]
        at 
org.apache.beam.vendor.guava.v26_0_jre.com.google.common.cache.LocalCache.processPendingNotifications(LocalCache.java:1809)
        at 
org.apache.beam.vendor.guava.v26_0_jre.com.google.common.cache.LocalCache$Segment.runUnlockedCleanup(LocalCache.java:3462)
        at 
org.apache.beam.vendor.guava.v26_0_jre.com.google.common.cache.LocalCache$Segment.postWriteCleanup(LocalCache.java:3438)
        at 
org.apache.beam.vendor.guava.v26_0_jre.com.google.common.cache.LocalCache$Segment.clear(LocalCache.java:3215)
        at 
org.apache.beam.vendor.guava.v26_0_jre.com.google.common.cache.LocalCache.clear(LocalCache.java:4270)
        at 
org.apache.beam.vendor.guava.v26_0_jre.com.google.common.cache.LocalCache$LocalManualCache.invalidateAll(LocalCache.java:4909)
        at 
org.apache.beam.runners.fnexecution.control.DefaultJobBundleFactory.close(DefaultJobBundleFactory.java:195)
        at 
org.apache.beam.runners.fnexecution.control.DefaultExecutableStageContext.close(DefaultExecutableStageContext.java:47)
        at 
org.apache.beam.runners.fnexecution.control.ReferenceCountingExecutableStageContextFactory$WrappedContext.closeActual(ReferenceCountingExecutableStageContextFactory.java:208)
        at 
org.apache.beam.runners.fnexecution.control.ReferenceCountingExecutableStageContextFactory$WrappedContext.access$200(ReferenceCountingExecutableStageContextFactory.java:184)
        at 
org.apache.beam.runners.fnexecution.control.ReferenceCountingExecutableStageContextFactory.release(ReferenceCountingExecutableStageContextFactory.java:173)
        at 
org.apache.beam.runners.fnexecution.control.ReferenceCountingExecutableStageContextFactory.scheduleRelease(ReferenceCountingExecutableStageContextFactory.java:132)
        at 
org.apache.beam.runners.fnexecution.control.ReferenceCountingExecutableStageContextFactory.access$300(ReferenceCountingExecutableStageContextFactory.java:44)
        at 
org.apache.beam.runners.fnexecution.control.ReferenceCountingExecutableStageContextFactory$WrappedContext.close(ReferenceCountingExecutableStageContextFactory.java:204)
        at 
org.apache.beam.runners.flink.translation.wrappers.streaming.ExecutableStageDoFnOperator.$closeResource(ExecutableStageDoFnOperator.java:456)
        at 
org.apache.beam.runners.flink.translation.wrappers.streaming.ExecutableStageDoFnOperator.dispose(ExecutableStageDoFnOperator.java:456)
        at 
org.apache.flink.streaming.runtime.tasks.StreamTask.tryDisposeAllOperators(StreamTask.java:562)
        at 
org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:443)
        at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:705)
        at org.apache.flink.runtime.taskmanager.Task.run(Task.java:530)
        at java.lang.Thread.run(Thread.java:748)

[GroupByKey -> [5]{Map(<lambda at fn_api_runner_test.py:540>), assert_that} 
(1/2)] INFO org.apache.flink.runtime.taskmanager.Task - GroupByKey -> 
[5]{Map(<lambda at fn_api_runner_test.py:540>), assert_that} (1/2) 
(a947d6c6aa999c6ea1178efe2832581f) switched from DEPLOYING to RUNNING.
[GroupByKey -> [5]{Map(<lambda at fn_api_runner_test.py:540>), assert_that} 
(1/2)] 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 -> 
[5]{Map(<lambda at fn_api_runner_test.py:540>), assert_that} (1/2) 
(a947d6c6aa999c6ea1178efe2832581f) switched from DEPLOYING to RUNNING.
[[4]assert_that/{Create, Group} (1/2)] INFO 
org.apache.flink.runtime.taskmanager.Task - [4]assert_that/{Create, Group} 
(1/2) (0acc2998200a93ebf0cfd3fe4364e915) switched from CREATED to DEPLOYING.
[[4]assert_that/{Create, Group} (1/2)] INFO 
org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak 
safety net for task [4]assert_that/{Create, Group} (1/2) 
(0acc2998200a93ebf0cfd3fe4364e915) [DEPLOYING]
[[4]assert_that/{Create, Group} (1/2)] INFO 
org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task 
[4]assert_that/{Create, Group} (1/2) (0acc2998200a93ebf0cfd3fe4364e915) 
[DEPLOYING].
[[4]assert_that/{Create, Group} (1/2)] INFO 
org.apache.flink.runtime.taskmanager.Task - Registering task at network: 
[4]assert_that/{Create, Group} (1/2) (0acc2998200a93ebf0cfd3fe4364e915) 
[DEPLOYING].
[GroupByKey -> [5]{Map(<lambda at fn_api_runner_test.py:540>), assert_that} 
(2/2)] INFO org.apache.flink.runtime.state.heap.HeapKeyedStateBackend - 
Initializing heap keyed state backend with stream factory.
[[4]assert_that/{Create, Group} (1/2)] INFO 
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[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task 
[4]assert_that/{Create, Group} (2/2).
[[4]assert_that/{Create, Group} (1/2)] 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 - 
[4]assert_that/{Create, Group} (1/2) (0acc2998200a93ebf0cfd3fe4364e915) 
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[[4]assert_that/{Create, Group} (2/2)] INFO 
org.apache.flink.runtime.taskmanager.Task - [4]assert_that/{Create, Group} 
(2/2) (7a1648934127f9cd29c17d5bfa206d6d) switched from CREATED to DEPLOYING.
[GroupByKey -> [5]{Map(<lambda at fn_api_runner_test.py:540>), assert_that} 
(1/2)] INFO org.apache.flink.runtime.state.heap.HeapKeyedStateBackend - 
Initializing heap keyed state backend with stream factory.
[[4]assert_that/{Create, Group} (2/2)] INFO 
org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak 
safety net for task [4]assert_that/{Create, Group} (2/2) 
(7a1648934127f9cd29c17d5bfa206d6d) [DEPLOYING]
[[4]assert_that/{Create, Group} (2/2)] INFO 
org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task 
[4]assert_that/{Create, Group} (2/2) (7a1648934127f9cd29c17d5bfa206d6d) 
[DEPLOYING].
[[4]assert_that/{Create, Group} (2/2)] INFO 
org.apache.flink.runtime.taskmanager.Task - Registering task at network: 
[4]assert_that/{Create, Group} (2/2) (7a1648934127f9cd29c17d5bfa206d6d) 
[DEPLOYING].
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task 
ToKeyedWorkItem (1/2).
[ToKeyedWorkItem (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - 
ToKeyedWorkItem (1/2) (b9a67d51f7cbce9f46ad169f9d0ab79e) switched from CREATED 
to DEPLOYING.
[ToKeyedWorkItem (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - 
Creating FileSystem stream leak safety net for task ToKeyedWorkItem (1/2) 
(b9a67d51f7cbce9f46ad169f9d0ab79e) [DEPLOYING]
[[4]assert_that/{Create, Group} (2/2)] INFO 
org.apache.flink.runtime.taskmanager.Task - [4]assert_that/{Create, Group} 
(2/2) (7a1648934127f9cd29c17d5bfa206d6d) switched from DEPLOYING to RUNNING.
[ToKeyedWorkItem (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - 
Loading JAR files for task ToKeyedWorkItem (1/2) 
(b9a67d51f7cbce9f46ad169f9d0ab79e) [DEPLOYING].
[[4]assert_that/{Create, Group} (2/2)] 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 - 
[4]assert_that/{Create, Group} (2/2) (7a1648934127f9cd29c17d5bfa206d6d) 
switched from DEPLOYING to RUNNING.
[ToKeyedWorkItem (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - 
Registering task at network: ToKeyedWorkItem (1/2) 
(b9a67d51f7cbce9f46ad169f9d0ab79e) [DEPLOYING].
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task 
ToKeyedWorkItem (2/2).
[ToKeyedWorkItem (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - 
ToKeyedWorkItem (1/2) (b9a67d51f7cbce9f46ad169f9d0ab79e) switched from 
DEPLOYING to RUNNING.
[ToKeyedWorkItem (1/2)] 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 (1/2) 
(b9a67d51f7cbce9f46ad169f9d0ab79e) switched from DEPLOYING to RUNNING.
[ToKeyedWorkItem (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - 
ToKeyedWorkItem (2/2) (ef2b656b47098c0e35251f9e7ebd634c) switched from CREATED 
to DEPLOYING.
[ToKeyedWorkItem (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - 
Creating FileSystem stream leak safety net for task ToKeyedWorkItem (2/2) 
(ef2b656b47098c0e35251f9e7ebd634c) [DEPLOYING]
[ToKeyedWorkItem (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - 
Loading JAR files for task ToKeyedWorkItem (2/2) 
(ef2b656b47098c0e35251f9e7ebd634c) [DEPLOYING].
[ToKeyedWorkItem (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - 
Registering task at network: ToKeyedWorkItem (2/2) 
(ef2b656b47098c0e35251f9e7ebd634c) [DEPLOYING].
INFO:root:Creating state cache with size 0
INFO:root:Creating insecure control channel for localhost:46311.
[ToKeyedWorkItem (2/2)] INFO org.apache.flink.runtime.taskmanager.Task - 
ToKeyedWorkItem (2/2) (ef2b656b47098c0e35251f9e7ebd634c) switched from 
DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task 
assert_that/Group/GroupByKey -> [3]assert_that/{Group, Unkey, Match} (1/2).
[ToKeyedWorkItem (2/2)] 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 (2/2) 
(ef2b656b47098c0e35251f9e7ebd634c) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Activate slot 
a8455b43d5cd51665ead1b3bd74ae6ed.
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Activate slot 
406cfa88262d77644be2866ac7eb9aa9.
[assert_that/Group/GroupByKey -> [3]assert_that/{Group, Unkey, Match} (1/2)] 
INFO org.apache.flink.runtime.taskmanager.Task - assert_that/Group/GroupByKey 
-> [3]assert_that/{Group, Unkey, Match} (1/2) 
(3dec09ec9b306c8c03f9630677f9aa2d) switched from CREATED to DEPLOYING.
[assert_that/Group/GroupByKey -> [3]assert_that/{Group, Unkey, Match} (1/2)] 
INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream 
leak safety net for task assert_that/Group/GroupByKey -> [3]assert_that/{Group, 
Unkey, Match} (1/2) (3dec09ec9b306c8c03f9630677f9aa2d) [DEPLOYING]
[assert_that/Group/GroupByKey -> [3]assert_that/{Group, Unkey, Match} (1/2)] 
INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task 
assert_that/Group/GroupByKey -> [3]assert_that/{Group, Unkey, Match} (1/2) 
(3dec09ec9b306c8c03f9630677f9aa2d) [DEPLOYING].
[assert_that/Group/GroupByKey -> [3]assert_that/{Group, Unkey, Match} (1/2)] 
INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: 
assert_that/Group/GroupByKey -> [3]assert_that/{Group, Unkey, Match} (1/2) 
(3dec09ec9b306c8c03f9630677f9aa2d) [DEPLOYING].
[assert_that/Group/GroupByKey -> [3]assert_that/{Group, Unkey, Match} (1/2)] 
INFO org.apache.flink.runtime.taskmanager.Task - assert_that/Group/GroupByKey 
-> [3]assert_that/{Group, Unkey, Match} (1/2) 
(3dec09ec9b306c8c03f9630677f9aa2d) switched from DEPLOYING to RUNNING.
[assert_that/Group/GroupByKey -> [3]assert_that/{Group, Unkey, Match} (1/2)] 
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 -> [3]assert_that/{Group, Unkey, Match} (2/2).
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - 
assert_that/Group/GroupByKey -> [3]assert_that/{Group, Unkey, Match} (1/2) 
(3dec09ec9b306c8c03f9630677f9aa2d) switched from DEPLOYING to RUNNING.
INFO:root:Control channel established.
[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: Impulse 
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[assert_that/Group/GroupByKey -> [3]assert_that/{Group, Unkey, Match} (2/2)] 
INFO org.apache.flink.runtime.taskmanager.Task - assert_that/Group/GroupByKey 
-> [3]assert_that/{Group, Unkey, Match} (2/2) 
(6e9a2f16db2399982cd3d36d6adbe011) switched from CREATED to DEPLOYING.
[assert_that/Group/GroupByKey -> [3]assert_that/{Group, Unkey, Match} (2/2)] 
INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream 
leak safety net for task assert_that/Group/GroupByKey -> [3]assert_that/{Group, 
Unkey, Match} (2/2) (6e9a2f16db2399982cd3d36d6adbe011) [DEPLOYING]
[assert_that/Group/GroupByKey -> [3]assert_that/{Group, Unkey, Match} (2/2)] 
INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task 
assert_that/Group/GroupByKey -> [3]assert_that/{Group, Unkey, Match} (2/2) 
(6e9a2f16db2399982cd3d36d6adbe011) [DEPLOYING].
[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: Impulse 
351c0a429927ad83e4c2142edf38a021.
INFO:root:Initializing SDKHarness with 12 workers.
[assert_that/Group/GroupByKey -> [3]assert_that/{Group, Unkey, Match} (2/2)] 
INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: 
assert_that/Group/GroupByKey -> [3]assert_that/{Group, Unkey, Match} (2/2) 
(6e9a2f16db2399982cd3d36d6adbe011) [DEPLOYING].
[flink-akka.actor.default-dispatcher-5] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Impulse (1/1) 
(44a65c5ebd43dda387acfd28719c877c) switched from RUNNING to FINISHED.
[assert_that/Group/GroupByKey -> [3]assert_that/{Group, Unkey, Match} (2/2)] 
INFO org.apache.flink.runtime.taskmanager.Task - assert_that/Group/GroupByKey 
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(6e9a2f16db2399982cd3d36d6adbe011) switched from DEPLOYING to RUNNING.
[assert_that/Group/GroupByKey -> [3]assert_that/{Group, Unkey, Match} (2/2)] 
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: Impulse (1/1) 
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[assert_that/Group/GroupByKey -> [3]assert_that/{Group, Unkey, Match} (1/2)] 
INFO org.apache.flink.runtime.state.heap.HeapKeyedStateBackend - Initializing 
heap keyed state backend with stream factory.
[assert_that/Group/GroupByKey -> [3]assert_that/{Group, Unkey, Match} (2/2)] 
INFO org.apache.flink.runtime.state.heap.HeapKeyedStateBackend - Initializing 
heap keyed state backend with stream factory.
[grpc-default-executor-0] INFO 
org.apache.beam.runners.fnexecution.control.FnApiControlClientPoolService - 
Beam Fn Control client connected with id 28-1
INFO:root:Creating insecure state channel for localhost:41125.
INFO:root:State channel established.
INFO:root:Creating client data channel for localhost:34497
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core.py:2467>) (2/2) (c84c97748ecaa91a75ee7767251c0d40) switched from RUNNING 
to FINISHED.
[[1]Create/FlatMap(<lambda at core.py:2467>) (2/2)] INFO 
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[1]Create/FlatMap(<lambda at core.py:2467>) (2/2) 
(c84c97748ecaa91a75ee7767251c0d40).
[[4]assert_that/{Create, Group} (1/2)] INFO 
org.apache.flink.runtime.taskmanager.Task - [4]assert_that/{Create, Group} 
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[[4]assert_that/{Create, Group} (1/2)] INFO 
org.apache.flink.runtime.taskmanager.Task - Freeing task resources for 
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[[1]Create/FlatMap(<lambda at core.py:2467>) (2/2)] INFO 
org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are 
closed for task [1]Create/FlatMap(<lambda at core.py:2467>) (2/2) 
(c84c97748ecaa91a75ee7767251c0d40) [FINISHED]
[[4]assert_that/{Create, Group} (1/2)] INFO 
org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are 
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(0acc2998200a93ebf0cfd3fe4364e915) [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 
[1]Create/FlatMap(<lambda at core.py:2467>) c84c97748ecaa91a75ee7767251c0d40.
[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 
[4]assert_that/{Create, Group} 0acc2998200a93ebf0cfd3fe4364e915.
[flink-akka.actor.default-dispatcher-3] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - 
[1]Create/FlatMap(<lambda at core.py:2467>) (2/2) 
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[flink-akka.actor.default-dispatcher-3] INFO 
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[4]assert_that/{Create, Group} (1/2) (0acc2998200a93ebf0cfd3fe4364e915) 
switched from RUNNING to FINISHED.
[grpc-default-executor-0] INFO 
org.apache.beam.runners.fnexecution.data.GrpcDataService - Beam Fn Data client 
connected.
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core.py:2467>) (1/2) (8241129dca0735279d3bb0ff56ef59da) switched from RUNNING 
to FINISHED.
[[1]Create/FlatMap(<lambda at core.py:2467>) (1/2)] INFO 
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(8241129dca0735279d3bb0ff56ef59da).
[[1]Create/FlatMap(<lambda at core.py:2467>) (1/2)] INFO 
org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are 
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(8241129dca0735279d3bb0ff56ef59da) [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 
[1]Create/FlatMap(<lambda at core.py:2467>) 8241129dca0735279d3bb0ff56ef59da.
[flink-akka.actor.default-dispatcher-3] INFO 
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[1]Create/FlatMap(<lambda at core.py:2467>) (1/2) 
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[[4]assert_that/{Create, Group} (2/2)] INFO 
org.apache.flink.runtime.taskmanager.Task - [4]assert_that/{Create, Group} 
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[[4]assert_that/{Create, Group} (2/2)] INFO 
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[4]assert_that/{Create, Group} (2/2) (7a1648934127f9cd29c17d5bfa206d6d).
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org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are 
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org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and 
sending final execution state FINISHED to JobManager for task [3]{Create, 
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org.apache.flink.runtime.taskmanager.Task - [3]{Create, Map(<lambda at 
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(e048a1fea946285bbc9a6f558c4457a7).
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org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are 
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org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and 
sending final execution state FINISHED to JobManager for task [3]{Create, 
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[ToKeyedWorkItem (1/2)] INFO org.apache.flink.runtime.taskmanager.Task - 
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[flink-akka.actor.default-dispatcher-3] INFO 
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org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and 
sending final execution state FINISHED to JobManager for task GroupByKey -> 
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sending final execution state FINISHED to JobManager for task ToKeyedWorkItem 
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INFO org.apache.beam.runners.fnexecution.control.DefaultJobBundleFactory - 
Closing environment urn: "beam:env:external:v1"
payload: "\n\021\022\017localhost:40141"

INFO:root:No more requests from control plane
INFO:root:SDK Harness waiting for in-flight requests to complete
INFO:root:Closing all cached grpc data channels.
INFO:root:Closing all cached gRPC state handlers.
INFO:root:Done consuming work.
[grpc-default-executor-0] WARN 
org.apache.beam.sdk.fn.data.BeamFnDataGrpcMultiplexer - Hanged up for unknown 
endpoint.
[assert_that/Group/GroupByKey -> [3]assert_that/{Group, Unkey, Match} (1/2)] 
WARN org.apache.beam.sdk.fn.data.BeamFnDataGrpcMultiplexer - Hanged up for 
unknown endpoint.
[assert_that/Group/GroupByKey -> [3]assert_that/{Group, Unkey, Match} (1/2)] 
INFO org.apache.flink.runtime.taskmanager.Task - assert_that/Group/GroupByKey 
-> [3]assert_that/{Group, Unkey, Match} (1/2) 
(3dec09ec9b306c8c03f9630677f9aa2d) switched from RUNNING to FINISHED.
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INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for 
assert_that/Group/GroupByKey -> [3]assert_that/{Group, Unkey, Match} (1/2) 
(3dec09ec9b306c8c03f9630677f9aa2d).
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INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem 
streams are closed for task assert_that/Group/GroupByKey -> 
[3]assert_that/{Group, Unkey, Match} (1/2) (3dec09ec9b306c8c03f9630677f9aa2d) 
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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 
assert_that/Group/GroupByKey -> [3]assert_that/{Group, Unkey, Match} 
3dec09ec9b306c8c03f9630677f9aa2d.
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[flink-akka.actor.default-dispatcher-5] INFO 
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test_windowing_1572624017.5369368 (2d612426013c50c308bc6984a7d5afef) switched 
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coordinator for job 2d612426013c50c308bc6984a7d5afef.
[flink-akka.actor.default-dispatcher-5] INFO 
org.apache.flink.runtime.checkpoint.StandaloneCompletedCheckpointStore - 
Shutting down
[flink-akka.actor.default-dispatcher-3] INFO 
org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Job 
2d612426013c50c308bc6984a7d5afef reached globally terminal state FINISHED.
[flink-akka.actor.default-dispatcher-5] INFO 
org.apache.flink.runtime.jobmaster.JobMaster - Stopping the JobMaster for job 
test_windowing_1572624017.5369368(2d612426013c50c308bc6984a7d5afef).
[flink-akka.actor.default-dispatcher-3] INFO 
org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Free slot 
TaskSlot(index:0, state:ACTIVE, resource profile: 
ResourceProfile{cpuCores=1.7976931348623157E308, heapMemoryInMB=2147483647, 
directMemoryInMB=2147483647, nativeMemoryInMB=2147483647, 
networkMemoryInMB=2147483647, managedMemoryInMB=8127}, allocationId: 
406cfa88262d77644be2866ac7eb9aa9, jobId: 2d612426013c50c308bc6984a7d5afef).
[flink-akka.actor.default-dispatcher-5] INFO 
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org.apache.flink.runtime.jobmaster.JobMaster - Close ResourceManager connection 
c655b4cdf7849962f4724d5cd937eb28: JobManager is shutting down..
[flink-akka.actor.default-dispatcher-5] INFO 
org.apache.flink.runtime.jobmaster.slotpool.SlotPoolImpl - Stopping SlotPool.
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.resourcemanager.StandaloneResourceManager - Disconnect 
job manager a24724e2a90c4aaa5d1aca3c3fe548bc@akka://flink/user/jobmanager_55 
for job 2d612426013c50c308bc6984a7d5afef from the resource manager.
[flink-akka.actor.default-dispatcher-3] INFO 
org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Free slot 
TaskSlot(index:1, state:ACTIVE, resource profile: 
ResourceProfile{cpuCores=1.7976931348623157E308, heapMemoryInMB=2147483647, 
directMemoryInMB=2147483647, nativeMemoryInMB=2147483647, 
networkMemoryInMB=2147483647, managedMemoryInMB=8127}, allocationId: 
a8455b43d5cd51665ead1b3bd74ae6ed, jobId: 2d612426013c50c308bc6984a7d5afef).
[flink-akka.actor.default-dispatcher-3] INFO 
org.apache.flink.runtime.taskexecutor.JobLeaderService - Remove job 
2d612426013c50c308bc6984a7d5afef from job leader monitoring.
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endpoint.
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org.apache.flink.runtime.taskexecutor.TaskExecutor - Close JobManager 
connection for job 2d612426013c50c308bc6984a7d5afef.
[flink-akka.actor.default-dispatcher-3] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Close JobManager 
connection for job 2d612426013c50c308bc6984a7d5afef.
[flink-akka.actor.default-dispatcher-3] INFO 
org.apache.flink.runtime.taskexecutor.JobLeaderService - Cannot reconnect to 
job 2d612426013c50c308bc6984a7d5afef because it is not registered.
[flink-akka.actor.default-dispatcher-3] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Stopping TaskExecutor 
akka://flink/user/taskmanager_54.
[flink-akka.actor.default-dispatcher-3] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Close ResourceManager 
connection c655b4cdf7849962f4724d5cd937eb28.
[flink-akka.actor.default-dispatcher-3] INFO 
org.apache.flink.runtime.taskexecutor.JobLeaderService - Stop job leader 
service.
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.resourcemanager.StandaloneResourceManager - Closing 
TaskExecutor connection dd232114-d186-40f3-b92e-d939707e6d8f because: The 
TaskExecutor is shutting down.
[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.FileChannelManagerImpl - FileChannelManager 
removed spill file directory /tmp/flink-io-e6abac7a-3081-4d2f-a1aa-4b91876ab54d
[flink-akka.actor.default-dispatcher-3] INFO 
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network environment and its components.
[flink-akka.actor.default-dispatcher-3] INFO 
org.apache.flink.runtime.io.disk.FileChannelManagerImpl - FileChannelManager 
removed spill file directory 
/tmp/flink-netty-shuffle-c25c19e7-a15b-4b7d-9c4b-27bf270d54d5
[flink-akka.actor.default-dispatcher-3] INFO 
org.apache.flink.runtime.taskexecutor.KvStateService - Shutting down the 
kvState service and its components.
[flink-akka.actor.default-dispatcher-3] INFO 
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service.
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org.apache.flink.runtime.filecache.FileCache - removed file cache directory 
/tmp/flink-dist-cache-6123579d-7b11-4c8a-a3a7-16d34379d10a
[flink-akka.actor.default-dispatcher-3] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Stopped TaskExecutor 
akka://flink/user/taskmanager_54.
[ForkJoinPool.commonPool-worker-9] INFO 
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directory /tmp/flink-web-ui
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[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.resourcemanager.StandaloneResourceManager - Shut down 
cluster because application is in CANCELED, diagnostics 
DispatcherResourceManagerComponent has been closed..
[flink-akka.actor.default-dispatcher-3] INFO 
org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Stopping dispatcher 
akka://flink/user/dispatcher.
[flink-akka.actor.default-dispatcher-3] INFO 
org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Stopping all 
currently running jobs of dispatcher akka://flink/user/dispatcher.
[flink-akka.actor.default-dispatcher-5] INFO 
org.apache.flink.runtime.resourcemanager.slotmanager.SlotManagerImpl - Closing 
the SlotManager.
[flink-akka.actor.default-dispatcher-5] INFO 
org.apache.flink.runtime.resourcemanager.slotmanager.SlotManagerImpl - 
Suspending the SlotManager.
[flink-akka.actor.default-dispatcher-3] INFO 
org.apache.flink.runtime.rest.handler.legacy.backpressure.StackTraceSampleCoordinator
 - Shutting down stack trace sample coordinator.
[flink-akka.actor.default-dispatcher-3] INFO 
org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Stopped dispatcher 
akka://flink/user/dispatcher.
[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.beam.runners.flink.metrics.FileReporter - wrote metrics to 
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[flink-metrics-2] INFO akka.remote.RemoteActorRefProvider$RemotingTerminator - 
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[flink-metrics-2] INFO akka.remote.RemoteActorRefProvider$RemotingTerminator - 
Remote daemon shut down; proceeding with flushing remote transports.
[flink-metrics-2] INFO akka.remote.RemoteActorRefProvider$RemotingTerminator - 
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[flink-metrics-2] INFO org.apache.flink.runtime.rpc.akka.AkkaRpcService - 
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org.apache.flink.runtime.rpc.akka.AkkaRpcService - Stopped Akka RPC service.
[flink-runner-job-invoker] INFO 
org.apache.beam.runners.flink.FlinkPipelineRunner - Execution finished in 251 
msecs
[flink-runner-job-invoker] INFO 
org.apache.beam.runners.flink.FlinkPipelineRunner - Final accumulator values:
[flink-runner-job-invoker] INFO 
org.apache.beam.runners.flink.FlinkPipelineRunner - __metricscontainers : 
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48Create/MaybeReshuffle/Reshuffle/RemoveRandomKeys.None/beam:env:external:v1:0:beam:metric:pardo_execution_time:start_bundle_msecs:v1
 {PTRANSFORM=fn/read/ref_PCollection_PCollection_9:0}: 0, 
26assert_that/Create/Impulse.None/beam:env:external:v1:0:beam:metric:pardo_execution_time:process_bundle_msecs:v1
 {PTRANSFORM=ref_AppliedPTransform_assert_that/Group/Flatten_35}: 0, 
48Create/MaybeReshuffle/Reshuffle/RemoveRandomKeys.None/beam:env:external:v1:0:beam:metric:pardo_execution_time:finish_bundle_msecs:v1
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24GroupByKey/GroupByWindow.None/beam:env:external:v1:0:beam:metric:pardo_execution_time:process_bundle_msecs:v1
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48Create/MaybeReshuffle/Reshuffle/RemoveRandomKeys.None/beam:env:external:v1:0:beam:metric:pardo_execution_time:finish_bundle_msecs:v1
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26assert_that/Create/Impulse.None/beam:env:external:v1:0:beam:metric:pardo_execution_time:process_bundle_msecs:v1
 {PTRANSFORM=ref_AppliedPTransform_assert_that/Group/pair_with_0_33}: 0, 
48Create/MaybeReshuffle/Reshuffle/RemoveRandomKeys.None/beam:env:external:v1:0:beam:metric:pardo_execution_time:process_bundle_msecs:v1
 {PTRANSFORM=fn/read/ref_PCollection_PCollection_9:0}: 
0)Distributions(14Create/Impulse.None/beam:env:external:v1:0:beam:metric:sampled_byte_size:v1
 {PCOLLECTION=ref_PCollection_PCollection_1}: DistributionResult{sum=13, 
count=1, min=13, max=13}, 
48Create/MaybeReshuffle/Reshuffle/RemoveRandomKeys.None/beam:env:external:v1:0:beam:metric:sampled_byte_size:v1
 {PCOLLECTION=ref_PCollection_PCollection_10}: DistributionResult{sum=70, 
count=5, min=14, max=14}, 
48Create/MaybeReshuffle/Reshuffle/RemoveRandomKeys.None/beam:env:external:v1:0:beam:metric:sampled_byte_size:v1
 {PCOLLECTION=ref_PCollection_PCollection_11}: DistributionResult{sum=100, 
count=5, min=20, max=20}, 
48Create/MaybeReshuffle/Reshuffle/RemoveRandomKeys.None/beam:env:external:v1:0:beam:metric:sampled_byte_size:v1
 {PCOLLECTION=ref_PCollection_PCollection_12}: DistributionResult{sum=140, 
count=5, min=28, max=28}, 
24GroupByKey/GroupByWindow.None/beam:env:external:v1:0:beam:metric:sampled_byte_size:v1
 {PCOLLECTION=ref_PCollection_PCollection_24:1}: DistributionResult{sum=60, 
count=2, min=29, max=31}, 
48Create/MaybeReshuffle/Reshuffle/RemoveRandomKeys.None/beam:env:external:v1:0:beam:metric:sampled_byte_size:v1
 {PCOLLECTION=ref_PCollection_PCollection_9}: DistributionResult{sum=80, 
count=5, min=16, max=16}, 
26assert_that/Create/Impulse.None/beam:env:external:v1:0:beam:metric:sampled_byte_size:v1
 {PCOLLECTION=ref_PCollection_PCollection_24:0}: DistributionResult{sum=19, 
count=1, min=19, max=19}, 
14Create/Impulse.None/beam:env:external:v1:0:beam:metric:sampled_byte_size:v1 
{PCOLLECTION=ref_PCollection_PCollection_2}: DistributionResult{sum=75, 
count=5, min=15, max=15}, 
26assert_that/Create/Impulse.None/beam:env:external:v1:0:beam:metric:sampled_byte_size:v1
 {PCOLLECTION=ref_PCollection_PCollection_19}: DistributionResult{sum=15, 
count=1, min=15, max=15}, 
24GroupByKey/GroupByWindow.None/beam:env:external:v1:0:beam:metric:sampled_byte_size:v1
 {PCOLLECTION=ref_PCollection_PCollection_15}: DistributionResult{sum=75, 
count=2, min=36, max=39}, 
26assert_that/Create/Impulse.None/beam:env:external:v1:0:beam:metric:sampled_byte_size:v1
 {PCOLLECTION=ref_PCollection_PCollection_18}: DistributionResult{sum=16, 
count=1, min=16, max=16}, 
24GroupByKey/GroupByWindow.None/beam:env:external:v1:0:beam:metric:sampled_byte_size:v1
 {PCOLLECTION=ref_PCollection_PCollection_16}: DistributionResult{sum=66, 
count=2, min=32, max=34}, 
26assert_that/Create/Impulse.None/beam:env:external:v1:0:beam:metric:sampled_byte_size:v1
 {PCOLLECTION=ref_PCollection_PCollection_17}: DistributionResult{sum=13, 
count=1, min=13, max=13}, 
42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:external:v1:0:beam:metric:sampled_byte_size:v1
 {PCOLLECTION=ref_PCollection_PCollection_30}: DistributionResult{sum=14, 
count=1, min=14, max=14}, 
42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:external:v1:0:beam:metric:sampled_byte_size:v1
 {PCOLLECTION=ref_PCollection_PCollection_28}: DistributionResult{sum=47, 
count=1, min=47, max=47}, 
42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:external:v1:0:beam:metric:sampled_byte_size:v1
 {PCOLLECTION=ref_PCollection_PCollection_29}: DistributionResult{sum=39, 
count=1, min=39, max=39}, 
26assert_that/Create/Impulse.None/beam:env:external:v1:0:beam:metric:sampled_byte_size:v1
 {PCOLLECTION=ref_PCollection_PCollection_22}: DistributionResult{sum=17, 
count=1, min=17, max=17}, 
24GroupByKey/GroupByWindow.None/beam:env:external:v1:0:beam:metric:sampled_byte_size:v1
 {PCOLLECTION=ref_PCollection_PCollection_20}: DistributionResult{sum=46, 
count=2, min=22, max=24}, 
24GroupByKey/GroupByWindow.None/beam:env:external:v1:0:beam:metric:sampled_byte_size:v1
 {PCOLLECTION=ref_PCollection_PCollection_21}: DistributionResult{sum=48, 
count=2, min=23, max=25}, 
24GroupByKey/GroupByWindow.None/beam:env:external:v1:0:beam:metric:sampled_byte_size:v1
 {PCOLLECTION=ref_PCollection_PCollection_23}: DistributionResult{sum=52, 
count=2, min=25, max=27}, 
42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:external:v1:0:beam:metric:sampled_byte_size:v1
 {PCOLLECTION=ref_PCollection_PCollection_27}: DistributionResult{sum=59, 
count=1, min=59, max=59}))
[flink-runner-job-invoker] INFO 
org.apache.beam.runners.fnexecution.artifact.AbstractArtifactRetrievalService - 
Manifest at 
/tmp/flinktestp27d5b_d/job_bdecbd13-5443-4261-893c-27f7e0f56efa/MANIFEST has 0 
artifact locations
[flink-runner-job-invoker] INFO 
org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactStagingService
 - Removed dir /tmp/flinktestp27d5b_d/job_bdecbd13-5443-4261-893c-27f7e0f56efa/
INFO:root:Job state changed to DONE
.INFO:root:removing conf dir: /tmp/flinktest-confse5_gixo

----------------------------------------------------------------------
Ran 70 tests in 105.158s

OK (skipped=14)

FAILURE: Build failed with an exception.

* Where:
Script 
'<https://builds.apache.org/job/beam_PostCommit_Python35_VR_Flink/ws/src/sdks/python/test-suites/portable/common.gradle'>
 line: 54

* What went wrong:
Execution failed for task 
':sdks:python:test-suites:portable:py35:flinkCompatibilityMatrixBatchLOOPBACK'.
> Process 'command 'sh'' finished with non-zero exit value 1

* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --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 6.0.
Use '--warning-mode all' to show the individual deprecation warnings.
See 
https://docs.gradle.org/5.2.1/userguide/command_line_interface.html#sec:command_line_warnings

BUILD FAILED in 12m 56s
58 actionable tasks: 41 executed, 17 from cache

Publishing build scan...
https://gradle.com/s/g5vxrmokr3way

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

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