See 
<https://builds.apache.org/job/beam_PreCommit_Python_PVR_Flink_Cron/901/display/redirect?page=changes>

Changes:

[mxm] [BEAM-7420]: Allow including the flink runner without flink on the

------------------------------------------
[...truncated 21.15 MB...]
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupByKey -> 
[5]{Map(<lambda at fn_api_runner_test.py:604>), assert_that} (1/1) 
(a61a3ef5f332b35bbfdaeee79ec8261e) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying GroupByKey 
-> [5]{Map(<lambda at fn_api_runner_test.py:604>), assert_that} (1/1) (attempt 
#0) to localhost
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - ToKeyedWorkItem (1/1) 
(e9dfdd45b72c92b540393b79c359cfe5) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying 
ToKeyedWorkItem (1/1) (attempt #0) to localhost
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task Source: 
Impulse -> [4]assert_that/{Create, Group} (1/1).
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - 
assert_that/Group/GroupByKey -> [3]assert_that/{Group, Unkey, Match} (1/1) 
(d7a8a86c7b88eb1509aaf1249f6e808d) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying 
assert_that/Group/GroupByKey -> [3]assert_that/{Group, Unkey, Match} (1/1) 
(attempt #0) to localhost
[Source: Impulse -> [4]assert_that/{Create, Group} (1/1)] INFO 
org.apache.flink.runtime.taskmanager.Task - Source: Impulse -> 
[4]assert_that/{Create, Group} (1/1) (2acfd9fc074931ce97c35ae5722914ad) 
switched from CREATED to DEPLOYING.
[Source: Impulse -> [4]assert_that/{Create, Group} (1/1)] INFO 
org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak 
safety net for task Source: Impulse -> [4]assert_that/{Create, Group} (1/1) 
(2acfd9fc074931ce97c35ae5722914ad) [DEPLOYING]
[Source: Impulse -> [4]assert_that/{Create, Group} (1/1)] INFO 
org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task Source: 
Impulse -> [4]assert_that/{Create, Group} (1/1) 
(2acfd9fc074931ce97c35ae5722914ad) [DEPLOYING].
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task Source: 
Impulse -> [1]Create/FlatMap(<lambda at core.py:2421>) (1/1).
[Source: Impulse -> [4]assert_that/{Create, Group} (1/1)] INFO 
org.apache.flink.runtime.taskmanager.Task - Registering task at network: 
Source: Impulse -> [4]assert_that/{Create, Group} (1/1) 
(2acfd9fc074931ce97c35ae5722914ad) [DEPLOYING].
[Source: Impulse -> [1]Create/FlatMap(<lambda at core.py:2421>) (1/1)] INFO 
org.apache.flink.runtime.taskmanager.Task - Source: Impulse -> 
[1]Create/FlatMap(<lambda at core.py:2421>) (1/1) 
(1aab0c81bd9c8f70db0b2588b85ceac6) switched from CREATED to DEPLOYING.
[Source: Impulse -> [1]Create/FlatMap(<lambda at core.py:2421>) (1/1)] INFO 
org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak 
safety net for task Source: Impulse -> [1]Create/FlatMap(<lambda at 
core.py:2421>) (1/1) (1aab0c81bd9c8f70db0b2588b85ceac6) [DEPLOYING]
[Source: Impulse -> [1]Create/FlatMap(<lambda at core.py:2421>) (1/1)] INFO 
org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task Source: 
Impulse -> [1]Create/FlatMap(<lambda at core.py:2421>) (1/1) 
(1aab0c81bd9c8f70db0b2588b85ceac6) [DEPLOYING].
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task [3]{Create, 
Map(<lambda at fn_api_runner_test.py:601>), WindowInto(WindowIntoFn)} -> 
ToKeyedWorkItem (1/1).
[Source: Impulse -> [1]Create/FlatMap(<lambda at core.py:2421>) (1/1)] INFO 
org.apache.flink.runtime.taskmanager.Task - Registering task at network: 
Source: Impulse -> [1]Create/FlatMap(<lambda at core.py:2421>) (1/1) 
(1aab0c81bd9c8f70db0b2588b85ceac6) [DEPLOYING].
[[3]{Create, Map(<lambda at fn_api_runner_test.py:601>), 
WindowInto(WindowIntoFn)} -> ToKeyedWorkItem (1/1)] INFO 
org.apache.flink.runtime.taskmanager.Task - [3]{Create, Map(<lambda at 
fn_api_runner_test.py:601>), WindowInto(WindowIntoFn)} -> ToKeyedWorkItem (1/1) 
(4dfa89c59cfc22b83b9ddd947bd2d369) switched from CREATED to DEPLOYING.
[[3]{Create, Map(<lambda at fn_api_runner_test.py:601>), 
WindowInto(WindowIntoFn)} -> ToKeyedWorkItem (1/1)] INFO 
org.apache.flink.runtime.taskmanager.Task - Creating FileSystem stream leak 
safety net for task [3]{Create, Map(<lambda at fn_api_runner_test.py:601>), 
WindowInto(WindowIntoFn)} -> ToKeyedWorkItem (1/1) 
(4dfa89c59cfc22b83b9ddd947bd2d369) [DEPLOYING]
[[3]{Create, Map(<lambda at fn_api_runner_test.py:601>), 
WindowInto(WindowIntoFn)} -> ToKeyedWorkItem (1/1)] INFO 
org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task 
[3]{Create, Map(<lambda at fn_api_runner_test.py:601>), 
WindowInto(WindowIntoFn)} -> ToKeyedWorkItem (1/1) 
(4dfa89c59cfc22b83b9ddd947bd2d369) [DEPLOYING].
[[3]{Create, Map(<lambda at fn_api_runner_test.py:601>), 
WindowInto(WindowIntoFn)} -> ToKeyedWorkItem (1/1)] INFO 
org.apache.flink.runtime.taskmanager.Task - Registering task at network: 
[3]{Create, Map(<lambda at fn_api_runner_test.py:601>), 
WindowInto(WindowIntoFn)} -> ToKeyedWorkItem (1/1) 
(4dfa89c59cfc22b83b9ddd947bd2d369) [DEPLOYING].
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task GroupByKey 
-> [5]{Map(<lambda at fn_api_runner_test.py:604>), assert_that} (1/1).
[GroupByKey -> [5]{Map(<lambda at fn_api_runner_test.py:604>), assert_that} 
(1/1)] INFO org.apache.flink.runtime.taskmanager.Task - GroupByKey -> 
[5]{Map(<lambda at fn_api_runner_test.py:604>), assert_that} (1/1) 
(a61a3ef5f332b35bbfdaeee79ec8261e) switched from CREATED to DEPLOYING.
[GroupByKey -> [5]{Map(<lambda at fn_api_runner_test.py:604>), assert_that} 
(1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem 
stream leak safety net for task GroupByKey -> [5]{Map(<lambda at 
fn_api_runner_test.py:604>), assert_that} (1/1) 
(a61a3ef5f332b35bbfdaeee79ec8261e) [DEPLOYING]
[GroupByKey -> [5]{Map(<lambda at fn_api_runner_test.py:604>), assert_that} 
(1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for 
task GroupByKey -> [5]{Map(<lambda at fn_api_runner_test.py:604>), assert_that} 
(1/1) (a61a3ef5f332b35bbfdaeee79ec8261e) [DEPLOYING].
[GroupByKey -> [5]{Map(<lambda at fn_api_runner_test.py:604>), assert_that} 
(1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at 
network: GroupByKey -> [5]{Map(<lambda at fn_api_runner_test.py:604>), 
assert_that} (1/1) (a61a3ef5f332b35bbfdaeee79ec8261e) [DEPLOYING].
[flink-akka.actor.default-dispatcher-4] 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) (e9dfdd45b72c92b540393b79c359cfe5) 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) 
(e9dfdd45b72c92b540393b79c359cfe5) [DEPLOYING]
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - 
Loading JAR files for task ToKeyedWorkItem (1/1) 
(e9dfdd45b72c92b540393b79c359cfe5) [DEPLOYING].
[Source: Impulse -> [1]Create/FlatMap(<lambda at core.py:2421>) (1/1)] INFO 
org.apache.flink.runtime.taskmanager.Task - Source: Impulse -> 
[1]Create/FlatMap(<lambda at core.py:2421>) (1/1) 
(1aab0c81bd9c8f70db0b2588b85ceac6) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Impulse -> 
[1]Create/FlatMap(<lambda at core.py:2421>) (1/1) 
(1aab0c81bd9c8f70db0b2588b85ceac6) switched from DEPLOYING to RUNNING.
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - 
Registering task at network: ToKeyedWorkItem (1/1) 
(e9dfdd45b72c92b540393b79c359cfe5) [DEPLOYING].
[Source: Impulse -> [1]Create/FlatMap(<lambda at core.py:2421>) (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.taskexecutor.TaskExecutor - Received task 
assert_that/Group/GroupByKey -> [3]assert_that/{Group, Unkey, Match} (1/1).
[assert_that/Group/GroupByKey -> [3]assert_that/{Group, Unkey, Match} (1/1)] 
INFO org.apache.flink.runtime.taskmanager.Task - assert_that/Group/GroupByKey 
-> [3]assert_that/{Group, Unkey, Match} (1/1) 
(d7a8a86c7b88eb1509aaf1249f6e808d) switched from CREATED to DEPLOYING.
[[3]{Create, Map(<lambda at fn_api_runner_test.py:601>), 
WindowInto(WindowIntoFn)} -> ToKeyedWorkItem (1/1)] INFO 
org.apache.flink.runtime.taskmanager.Task - [3]{Create, Map(<lambda at 
fn_api_runner_test.py:601>), WindowInto(WindowIntoFn)} -> ToKeyedWorkItem (1/1) 
(4dfa89c59cfc22b83b9ddd947bd2d369) switched from DEPLOYING to RUNNING.
[assert_that/Group/GroupByKey -> [3]assert_that/{Group, Unkey, Match} (1/1)] 
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} (1/1) (d7a8a86c7b88eb1509aaf1249f6e808d) [DEPLOYING]
[assert_that/Group/GroupByKey -> [3]assert_that/{Group, Unkey, Match} (1/1)] 
INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for task 
assert_that/Group/GroupByKey -> [3]assert_that/{Group, Unkey, Match} (1/1) 
(d7a8a86c7b88eb1509aaf1249f6e808d) [DEPLOYING].
[flink-akka.actor.default-dispatcher-3] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - [3]{Create, 
Map(<lambda at fn_api_runner_test.py:601>), WindowInto(WindowIntoFn)} -> 
ToKeyedWorkItem (1/1) (4dfa89c59cfc22b83b9ddd947bd2d369) switched from 
DEPLOYING to RUNNING.
[Source: Impulse -> [4]assert_that/{Create, Group} (1/1)] INFO 
org.apache.flink.runtime.taskmanager.Task - Source: Impulse -> 
[4]assert_that/{Create, Group} (1/1) (2acfd9fc074931ce97c35ae5722914ad) 
switched from DEPLOYING to RUNNING.
[[3]{Create, Map(<lambda at fn_api_runner_test.py:601>), 
WindowInto(WindowIntoFn)} -> 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 - Source: Impulse -> 
[4]assert_that/{Create, Group} (1/1) (2acfd9fc074931ce97c35ae5722914ad) 
switched from DEPLOYING to RUNNING.
[Source: Impulse -> [4]assert_that/{Create, Group} (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 -> [3]assert_that/{Group, Unkey, Match} (1/1)] 
INFO org.apache.flink.runtime.taskmanager.Task - Registering task at network: 
assert_that/Group/GroupByKey -> [3]assert_that/{Group, Unkey, Match} (1/1) 
(d7a8a86c7b88eb1509aaf1249f6e808d) [DEPLOYING].
[assert_that/Group/GroupByKey -> [3]assert_that/{Group, Unkey, Match} (1/1)] 
INFO org.apache.flink.runtime.taskmanager.Task - assert_that/Group/GroupByKey 
-> [3]assert_that/{Group, Unkey, Match} (1/1) 
(d7a8a86c7b88eb1509aaf1249f6e808d) switched from DEPLOYING to RUNNING.
[GroupByKey -> [5]{Map(<lambda at fn_api_runner_test.py:604>), assert_that} 
(1/1)] INFO org.apache.flink.runtime.taskmanager.Task - GroupByKey -> 
[5]{Map(<lambda at fn_api_runner_test.py:604>), assert_that} (1/1) 
(a61a3ef5f332b35bbfdaeee79ec8261e) switched from DEPLOYING to RUNNING.
[assert_that/Group/GroupByKey -> [3]assert_that/{Group, Unkey, Match} (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 - 
assert_that/Group/GroupByKey -> [3]assert_that/{Group, Unkey, Match} (1/1) 
(d7a8a86c7b88eb1509aaf1249f6e808d) switched from DEPLOYING to RUNNING.
[GroupByKey -> [5]{Map(<lambda at fn_api_runner_test.py:604>), assert_that} 
(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 -> 
[5]{Map(<lambda at fn_api_runner_test.py:604>), assert_that} (1/1) 
(a61a3ef5f332b35bbfdaeee79ec8261e) switched from DEPLOYING to RUNNING.
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - 
ToKeyedWorkItem (1/1) (e9dfdd45b72c92b540393b79c359cfe5) 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-3] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - ToKeyedWorkItem (1/1) 
(e9dfdd45b72c92b540393b79c359cfe5) switched from DEPLOYING to RUNNING.
[[3]{Create, Map(<lambda at fn_api_runner_test.py:601>), 
WindowInto(WindowIntoFn)} -> ToKeyedWorkItem (1/1)] WARN 
org.apache.flink.metrics.MetricGroup - The operator name [3]{Create, 
Map(<lambda at fn_api_runner_test.py:601>), WindowInto(WindowIntoFn)} exceeded 
the 80 characters length limit and was truncated.
[assert_that/Group/GroupByKey -> [3]assert_that/{Group, Unkey, Match} (1/1)] 
INFO org.apache.flink.runtime.state.heap.HeapKeyedStateBackend - Initializing 
heap keyed state backend with stream factory.
[GroupByKey -> [5]{Map(<lambda at fn_api_runner_test.py:604>), assert_that} 
(1/1)] INFO org.apache.flink.runtime.state.heap.HeapKeyedStateBackend - 
Initializing heap keyed state backend with stream factory.
Aug 14, 2019 12:19:43 PM 
org.apache.beam.vendor.grpc.v1p21p0.io.grpc.internal.ManagedChannelOrphanWrapper$ManagedChannelReference
 cleanQueue
SEVERE: *~*~*~ Channel ManagedChannelImpl{logId=785, target=localhost:35303} 
was not shutdown properly!!! ~*~*~*
    Make sure to call shutdown()/shutdownNow() and wait until 
awaitTermination() returns true.
java.lang.RuntimeException: ManagedChannel allocation site
        at 
org.apache.beam.vendor.grpc.v1p21p0.io.grpc.internal.ManagedChannelOrphanWrapper$ManagedChannelReference.<init>(ManagedChannelOrphanWrapper.java:94)
        at 
org.apache.beam.vendor.grpc.v1p21p0.io.grpc.internal.ManagedChannelOrphanWrapper.<init>(ManagedChannelOrphanWrapper.java:52)
        at 
org.apache.beam.vendor.grpc.v1p21p0.io.grpc.internal.ManagedChannelOrphanWrapper.<init>(ManagedChannelOrphanWrapper.java:43)
        at 
org.apache.beam.vendor.grpc.v1p21p0.io.grpc.internal.AbstractManagedChannelImplBuilder.build(AbstractManagedChannelImplBuilder.java:514)
        at 
org.apache.beam.sdk.fn.channel.ManagedChannelFactory.forDescriptor(ManagedChannelFactory.java:44)
        at 
org.apache.beam.runners.fnexecution.environment.ExternalEnvironmentFactory.createEnvironment(ExternalEnvironmentFactory.java:108)
        at 
org.apache.beam.runners.fnexecution.control.DefaultJobBundleFactory$1.load(DefaultJobBundleFactory.java:178)
        at 
org.apache.beam.runners.fnexecution.control.DefaultJobBundleFactory$1.load(DefaultJobBundleFactory.java:162)
        at 
org.apache.beam.vendor.guava.v26_0_jre.com.google.common.cache.LocalCache$LoadingValueReference.loadFuture(LocalCache.java:3528)
        at 
org.apache.beam.vendor.guava.v26_0_jre.com.google.common.cache.LocalCache$Segment.loadSync(LocalCache.java:2277)
        at 
org.apache.beam.vendor.guava.v26_0_jre.com.google.common.cache.LocalCache$Segment.lockedGetOrLoad(LocalCache.java:2154)
        at 
org.apache.beam.vendor.guava.v26_0_jre.com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2044)
        at 
org.apache.beam.vendor.guava.v26_0_jre.com.google.common.cache.LocalCache.get(LocalCache.java:3952)
        at 
org.apache.beam.vendor.guava.v26_0_jre.com.google.common.cache.LocalCache.getOrLoad(LocalCache.java:3974)
        at 
org.apache.beam.vendor.guava.v26_0_jre.com.google.common.cache.LocalCache$LocalLoadingCache.get(LocalCache.java:4958)
        at 
org.apache.beam.vendor.guava.v26_0_jre.com.google.common.cache.LocalCache$LocalLoadingCache.getUnchecked(LocalCache.java:4964)
        at 
org.apache.beam.runners.fnexecution.control.DefaultJobBundleFactory$SimpleStageBundleFactory.<init>(DefaultJobBundleFactory.java:211)
        at 
org.apache.beam.runners.fnexecution.control.DefaultJobBundleFactory$SimpleStageBundleFactory.<init>(DefaultJobBundleFactory.java:202)
        at 
org.apache.beam.runners.fnexecution.control.DefaultJobBundleFactory.forStage(DefaultJobBundleFactory.java:185)
        at 
org.apache.beam.runners.flink.translation.functions.FlinkDefaultExecutableStageContext.getStageBundleFactory(FlinkDefaultExecutableStageContext.java:49)
        at 
org.apache.beam.runners.flink.translation.functions.ReferenceCountingFlinkExecutableStageContextFactory$WrappedContext.getStageBundleFactory(ReferenceCountingFlinkExecutableStageContextFactory.java:203)
        at 
org.apache.beam.runners.flink.translation.wrappers.streaming.ExecutableStageDoFnOperator.open(ExecutableStageDoFnOperator.java:191)
        at 
org.apache.flink.streaming.runtime.tasks.StreamTask.openAllOperators(StreamTask.java:420)
        at 
org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:296)
        at org.apache.flink.runtime.taskmanager.Task.run(Task.java:712)
        at java.lang.Thread.run(Thread.java:748)

INFO:root:Creating insecure control channel for localhost:33225.
INFO:root:Control channel established.
INFO:root: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
INFO:root:Creating insecure state channel for localhost:46765.
INFO:root:State channel established.
WARNING:root:No unique name set for transform 
fn/write/ref_PCollection_PCollection_24:0:0
WARNING:root:No unique name set for transform 
fn/write/ref_PCollection_PCollection_2:0
INFO:root:Creating client data channel for localhost:36347
[grpc-default-executor-1] INFO 
org.apache.beam.runners.fnexecution.data.GrpcDataService - Beam Fn Data client 
connected.
WARNING:root:No unique name set for transform 
fn/read/ref_PCollection_PCollection_1:0
[Source: Impulse -> [1]Create/FlatMap(<lambda at core.py:2421>) (1/1)] WARN 
org.apache.flink.metrics.MetricGroup - Name collision: Group already contains a 
Metric with the name 'beam.metric:pardo_execution_time:start_bundle_msecs:v1'. 
Metric will not be reported.[localhost, taskmanager, 
9f89c3d6-bd48-47ff-82d0-072fe9d9fc60, test_windowing_1565785182.18, 
[1]Create/FlatMap(<lambda at core.py:2421>), 0]
[Source: Impulse -> [1]Create/FlatMap(<lambda at core.py:2421>) (1/1)] WARN 
org.apache.flink.metrics.MetricGroup - Name collision: Group already contains a 
Metric with the name 'beam.metric:pardo_execution_time:finish_bundle_msecs:v1'. 
Metric will not be reported.[localhost, taskmanager, 
9f89c3d6-bd48-47ff-82d0-072fe9d9fc60, test_windowing_1565785182.18, 
[1]Create/FlatMap(<lambda at core.py:2421>), 0]
[Source: Impulse -> [1]Create/FlatMap(<lambda at core.py:2421>) (1/1)] WARN 
org.apache.flink.metrics.MetricGroup - Name collision: Group already contains a 
Metric with the name 'beam.metric:element_count:v1'. Metric will not be 
reported.[localhost, taskmanager, 9f89c3d6-bd48-47ff-82d0-072fe9d9fc60, 
test_windowing_1565785182.18, [1]Create/FlatMap(<lambda at core.py:2421>), 0]
[Source: Impulse -> [1]Create/FlatMap(<lambda at core.py:2421>) (1/1)] WARN 
org.apache.flink.metrics.MetricGroup - Name collision: Group already contains a 
Metric with the name 'beam.metric:ptransform_execution_time:total_msecs:v1'. 
Metric will not be reported.[localhost, taskmanager, 
9f89c3d6-bd48-47ff-82d0-072fe9d9fc60, test_windowing_1565785182.18, 
[1]Create/FlatMap(<lambda at core.py:2421>), 0]
[Source: Impulse -> [1]Create/FlatMap(<lambda at core.py:2421>) (1/1)] WARN 
org.apache.flink.metrics.MetricGroup - Name collision: Group already contains a 
Metric with the name 
'beam.metric:pardo_execution_time:process_bundle_msecs:v1'. Metric will not be 
reported.[localhost, taskmanager, 9f89c3d6-bd48-47ff-82d0-072fe9d9fc60, 
test_windowing_1565785182.18, [1]Create/FlatMap(<lambda at core.py:2421>), 0]
[Source: Impulse -> [1]Create/FlatMap(<lambda at core.py:2421>) (1/1)] WARN 
org.apache.flink.metrics.MetricGroup - Name collision: Group already contains a 
Metric with the name 'beam.metric:sampled_byte_size:v1'. Metric will not be 
reported.[localhost, taskmanager, 9f89c3d6-bd48-47ff-82d0-072fe9d9fc60, 
test_windowing_1565785182.18, [1]Create/FlatMap(<lambda at core.py:2421>), 0]
WARNING:root:No unique name set for transform 
fn/read/ref_PCollection_PCollection_17:0
[Source: Impulse -> [1]Create/FlatMap(<lambda at core.py:2421>) (1/1)] INFO 
org.apache.flink.runtime.taskmanager.Task - Source: Impulse -> 
[1]Create/FlatMap(<lambda at core.py:2421>) (1/1) 
(1aab0c81bd9c8f70db0b2588b85ceac6) switched from RUNNING to FINISHED.
[Source: Impulse -> [1]Create/FlatMap(<lambda at core.py:2421>) (1/1)] INFO 
org.apache.flink.runtime.taskmanager.Task - Freeing task resources for Source: 
Impulse -> [1]Create/FlatMap(<lambda at core.py:2421>) (1/1) 
(1aab0c81bd9c8f70db0b2588b85ceac6).
[Source: Impulse -> [1]Create/FlatMap(<lambda at core.py:2421>) (1/1)] INFO 
org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are 
closed for task Source: Impulse -> [1]Create/FlatMap(<lambda at core.py:2421>) 
(1/1) (1aab0c81bd9c8f70db0b2588b85ceac6) [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 Source: Impulse 
-> [1]Create/FlatMap(<lambda at core.py:2421>) 1aab0c81bd9c8f70db0b2588b85ceac6.
[flink-akka.actor.default-dispatcher-5] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Impulse -> 
[1]Create/FlatMap(<lambda at core.py:2421>) (1/1) 
(1aab0c81bd9c8f70db0b2588b85ceac6) switched from RUNNING to FINISHED.
WARNING:root:No unique name set for transform 
fn/write/ref_PCollection_PCollection_12:0
[Source: Impulse -> [4]assert_that/{Create, Group} (1/1)] WARN 
org.apache.flink.metrics.MetricGroup - Name collision: Group already contains a 
Metric with the name 'beam.metric:ptransform_execution_time:total_msecs:v1'. 
Metric will not be reported.[localhost, taskmanager, 
9f89c3d6-bd48-47ff-82d0-072fe9d9fc60, test_windowing_1565785182.18, 
[4]assert_that/{Create, Group}, 0]
[Source: Impulse -> [4]assert_that/{Create, Group} (1/1)] WARN 
org.apache.flink.metrics.MetricGroup - Name collision: Group already contains a 
Metric with the name 
'beam.metric:pardo_execution_time:process_bundle_msecs:v1'. Metric will not be 
reported.[localhost, taskmanager, 9f89c3d6-bd48-47ff-82d0-072fe9d9fc60, 
test_windowing_1565785182.18, [4]assert_that/{Create, Group}, 0]
[Source: Impulse -> [4]assert_that/{Create, Group} (1/1)] WARN 
org.apache.flink.metrics.MetricGroup - Name collision: Group already contains a 
Metric with the name 'beam.metric:pardo_execution_time:start_bundle_msecs:v1'. 
Metric will not be reported.[localhost, taskmanager, 
9f89c3d6-bd48-47ff-82d0-072fe9d9fc60, test_windowing_1565785182.18, 
[4]assert_that/{Create, Group}, 0]
[Source: Impulse -> [4]assert_that/{Create, Group} (1/1)] WARN 
org.apache.flink.metrics.MetricGroup - Name collision: Group already contains a 
Metric with the name 'beam.metric:pardo_execution_time:finish_bundle_msecs:v1'. 
Metric will not be reported.[localhost, taskmanager, 
9f89c3d6-bd48-47ff-82d0-072fe9d9fc60, test_windowing_1565785182.18, 
[4]assert_that/{Create, Group}, 0]
[Source: Impulse -> [4]assert_that/{Create, Group} (1/1)] WARN 
org.apache.flink.metrics.MetricGroup - Name collision: Group already contains a 
Metric with the name 'beam.metric:element_count:v1'. Metric will not be 
reported.[localhost, taskmanager, 9f89c3d6-bd48-47ff-82d0-072fe9d9fc60, 
test_windowing_1565785182.18, [4]assert_that/{Create, Group}, 0]
[Source: Impulse -> [4]assert_that/{Create, Group} (1/1)] WARN 
org.apache.flink.metrics.MetricGroup - Name collision: Group already contains a 
Metric with the name 'beam.metric:sampled_byte_size:v1'. Metric will not be 
reported.[localhost, taskmanager, 9f89c3d6-bd48-47ff-82d0-072fe9d9fc60, 
test_windowing_1565785182.18, [4]assert_that/{Create, Group}, 0]
[Source: Impulse -> [4]assert_that/{Create, Group} (1/1)] INFO 
org.apache.flink.runtime.taskmanager.Task - Source: Impulse -> 
[4]assert_that/{Create, Group} (1/1) (2acfd9fc074931ce97c35ae5722914ad) 
switched from RUNNING to FINISHED.
[Source: Impulse -> [4]assert_that/{Create, Group} (1/1)] INFO 
org.apache.flink.runtime.taskmanager.Task - Freeing task resources for Source: 
Impulse -> [4]assert_that/{Create, Group} (1/1) 
(2acfd9fc074931ce97c35ae5722914ad).
[Source: Impulse -> [4]assert_that/{Create, Group} (1/1)] INFO 
org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are 
closed for task Source: Impulse -> [4]assert_that/{Create, Group} (1/1) 
(2acfd9fc074931ce97c35ae5722914ad) [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 Source: Impulse 
-> [4]assert_that/{Create, Group} 2acfd9fc074931ce97c35ae5722914ad.
WARNING:root:No unique name set for transform 
fn/read/ref_PCollection_PCollection_9:0
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Impulse -> 
[4]assert_that/{Create, Group} (1/1) (2acfd9fc074931ce97c35ae5722914ad) 
switched from RUNNING to FINISHED.
[[3]{Create, Map(<lambda at fn_api_runner_test.py:601>), 
WindowInto(WindowIntoFn)} -> ToKeyedWorkItem (1/1)] WARN 
org.apache.flink.metrics.MetricGroup - Name collision: Group already contains a 
Metric with the name 'beam.metric:ptransform_execution_time:total_msecs:v1'. 
Metric will not be reported.[localhost, taskmanager, 
9f89c3d6-bd48-47ff-82d0-072fe9d9fc60, test_windowing_1565785182.18, [3]{Create, 
Map(<lambda at fn_api_runner_test.py:601>), WindowInto(WindowIntoFn), 0]
[[3]{Create, Map(<lambda at fn_api_runner_test.py:601>), 
WindowInto(WindowIntoFn)} -> ToKeyedWorkItem (1/1)] WARN 
org.apache.flink.metrics.MetricGroup - Name collision: Group already contains a 
Metric with the name 
'beam.metric:pardo_execution_time:process_bundle_msecs:v1'. Metric will not be 
reported.[localhost, taskmanager, 9f89c3d6-bd48-47ff-82d0-072fe9d9fc60, 
test_windowing_1565785182.18, [3]{Create, Map(<lambda at 
fn_api_runner_test.py:601>), WindowInto(WindowIntoFn), 0]
[[3]{Create, Map(<lambda at fn_api_runner_test.py:601>), 
WindowInto(WindowIntoFn)} -> ToKeyedWorkItem (1/1)] WARN 
org.apache.flink.metrics.MetricGroup - Name collision: Group already contains a 
Metric with the name 'beam.metric:pardo_execution_time:start_bundle_msecs:v1'. 
Metric will not be reported.[localhost, taskmanager, 
9f89c3d6-bd48-47ff-82d0-072fe9d9fc60, test_windowing_1565785182.18, [3]{Create, 
Map(<lambda at fn_api_runner_test.py:601>), WindowInto(WindowIntoFn), 0]
[[3]{Create, Map(<lambda at fn_api_runner_test.py:601>), 
WindowInto(WindowIntoFn)} -> ToKeyedWorkItem (1/1)] WARN 
org.apache.flink.metrics.MetricGroup - Name collision: Group already contains a 
Metric with the name 'beam.metric:element_count:v1'. Metric will not be 
reported.[localhost, taskmanager, 9f89c3d6-bd48-47ff-82d0-072fe9d9fc60, 
test_windowing_1565785182.18, [3]{Create, Map(<lambda at 
fn_api_runner_test.py:601>), WindowInto(WindowIntoFn), 0]
[[3]{Create, Map(<lambda at fn_api_runner_test.py:601>), 
WindowInto(WindowIntoFn)} -> ToKeyedWorkItem (1/1)] WARN 
org.apache.flink.metrics.MetricGroup - Name collision: Group already contains a 
Metric with the name 'beam.metric:pardo_execution_time:finish_bundle_msecs:v1'. 
Metric will not be reported.[localhost, taskmanager, 
9f89c3d6-bd48-47ff-82d0-072fe9d9fc60, test_windowing_1565785182.18, [3]{Create, 
Map(<lambda at fn_api_runner_test.py:601>), WindowInto(WindowIntoFn), 0]
[[3]{Create, Map(<lambda at fn_api_runner_test.py:601>), 
WindowInto(WindowIntoFn)} -> ToKeyedWorkItem (1/1)] WARN 
org.apache.flink.metrics.MetricGroup - Name collision: Group already contains a 
Metric with the name 'beam.metric:sampled_byte_size:v1'. Metric will not be 
reported.[localhost, taskmanager, 9f89c3d6-bd48-47ff-82d0-072fe9d9fc60, 
test_windowing_1565785182.18, [3]{Create, Map(<lambda at 
fn_api_runner_test.py:601>), WindowInto(WindowIntoFn), 0]
[[3]{Create, Map(<lambda at fn_api_runner_test.py:601>), 
WindowInto(WindowIntoFn)} -> ToKeyedWorkItem (1/1)] INFO 
org.apache.flink.runtime.taskmanager.Task - [3]{Create, Map(<lambda at 
fn_api_runner_test.py:601>), WindowInto(WindowIntoFn)} -> ToKeyedWorkItem (1/1) 
(4dfa89c59cfc22b83b9ddd947bd2d369) switched from RUNNING to FINISHED.
[[3]{Create, Map(<lambda at fn_api_runner_test.py:601>), 
WindowInto(WindowIntoFn)} -> ToKeyedWorkItem (1/1)] INFO 
org.apache.flink.runtime.taskmanager.Task - Freeing task resources for 
[3]{Create, Map(<lambda at fn_api_runner_test.py:601>), 
WindowInto(WindowIntoFn)} -> ToKeyedWorkItem (1/1) 
(4dfa89c59cfc22b83b9ddd947bd2d369).
[[3]{Create, Map(<lambda at fn_api_runner_test.py:601>), 
WindowInto(WindowIntoFn)} -> ToKeyedWorkItem (1/1)] INFO 
org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem streams are 
closed for task [3]{Create, Map(<lambda at fn_api_runner_test.py:601>), 
WindowInto(WindowIntoFn)} -> ToKeyedWorkItem (1/1) 
(4dfa89c59cfc22b83b9ddd947bd2d369) [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 [3]{Create, 
Map(<lambda at fn_api_runner_test.py:601>), WindowInto(WindowIntoFn)} -> 
ToKeyedWorkItem 4dfa89c59cfc22b83b9ddd947bd2d369.
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - [3]{Create, 
Map(<lambda at fn_api_runner_test.py:601>), WindowInto(WindowIntoFn)} -> 
ToKeyedWorkItem (1/1) (4dfa89c59cfc22b83b9ddd947bd2d369) switched from RUNNING 
to FINISHED.
WARNING:root:No unique name set for transform 
fn/write/ref_PCollection_PCollection_24:1:0
WARNING:root:No unique name set for transform 
fn/read/ref_PCollection_PCollection_15:0
[GroupByKey -> [5]{Map(<lambda at fn_api_runner_test.py:604>), assert_that} 
(1/1)] WARN org.apache.flink.metrics.MetricGroup - Name collision: Group 
already contains a Metric with the name 
'beam.metric:pardo_execution_time:finish_bundle_msecs:v1'. Metric will not be 
reported.[localhost, taskmanager, 9f89c3d6-bd48-47ff-82d0-072fe9d9fc60, 
test_windowing_1565785182.18, [5]{Map(<lambda at fn_api_runner_test.py:604>), 
assert_that}, 0]
[GroupByKey -> [5]{Map(<lambda at fn_api_runner_test.py:604>), assert_that} 
(1/1)] WARN org.apache.flink.metrics.MetricGroup - Name collision: Group 
already contains a Metric with the name 
'beam.metric:pardo_execution_time:process_bundle_msecs:v1'. Metric will not be 
reported.[localhost, taskmanager, 9f89c3d6-bd48-47ff-82d0-072fe9d9fc60, 
test_windowing_1565785182.18, [5]{Map(<lambda at fn_api_runner_test.py:604>), 
assert_that}, 0]
[GroupByKey -> [5]{Map(<lambda at fn_api_runner_test.py:604>), assert_that} 
(1/1)] WARN org.apache.flink.metrics.MetricGroup - Name collision: Group 
already contains a Metric with the name 
'beam.metric:pardo_execution_time:start_bundle_msecs:v1'. Metric will not be 
reported.[localhost, taskmanager, 9f89c3d6-bd48-47ff-82d0-072fe9d9fc60, 
test_windowing_1565785182.18, [5]{Map(<lambda at fn_api_runner_test.py:604>), 
assert_that}, 0]
[GroupByKey -> [5]{Map(<lambda at fn_api_runner_test.py:604>), assert_that} 
(1/1)] WARN org.apache.flink.metrics.MetricGroup - Name collision: Group 
already contains a Metric with the name 
'beam.metric:ptransform_execution_time:total_msecs:v1'. Metric will not be 
reported.[localhost, taskmanager, 9f89c3d6-bd48-47ff-82d0-072fe9d9fc60, 
test_windowing_1565785182.18, [5]{Map(<lambda at fn_api_runner_test.py:604>), 
assert_that}, 0]
[GroupByKey -> [5]{Map(<lambda at fn_api_runner_test.py:604>), assert_that} 
(1/1)] WARN org.apache.flink.metrics.MetricGroup - Name collision: Group 
already contains a Metric with the name 'beam.metric:element_count:v1'. Metric 
will not be reported.[localhost, taskmanager, 
9f89c3d6-bd48-47ff-82d0-072fe9d9fc60, test_windowing_1565785182.18, 
[5]{Map(<lambda at fn_api_runner_test.py:604>), assert_that}, 0]
[GroupByKey -> [5]{Map(<lambda at fn_api_runner_test.py:604>), assert_that} 
(1/1)] WARN org.apache.flink.metrics.MetricGroup - Name collision: Group 
already contains a Metric with the name 'beam.metric:sampled_byte_size:v1'. 
Metric will not be reported.[localhost, taskmanager, 
9f89c3d6-bd48-47ff-82d0-072fe9d9fc60, test_windowing_1565785182.18, 
[5]{Map(<lambda at fn_api_runner_test.py:604>), assert_that}, 0]
[GroupByKey -> [5]{Map(<lambda at fn_api_runner_test.py:604>), assert_that} 
(1/1)] INFO org.apache.flink.runtime.taskmanager.Task - GroupByKey -> 
[5]{Map(<lambda at fn_api_runner_test.py:604>), assert_that} (1/1) 
(a61a3ef5f332b35bbfdaeee79ec8261e) switched from RUNNING to FINISHED.
[GroupByKey -> [5]{Map(<lambda at fn_api_runner_test.py:604>), assert_that} 
(1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources 
for GroupByKey -> [5]{Map(<lambda at fn_api_runner_test.py:604>), assert_that} 
(1/1) (a61a3ef5f332b35bbfdaeee79ec8261e).
[GroupByKey -> [5]{Map(<lambda at fn_api_runner_test.py:604>), assert_that} 
(1/1)] INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem 
streams are closed for task GroupByKey -> [5]{Map(<lambda at 
fn_api_runner_test.py:604>), assert_that} (1/1) 
(a61a3ef5f332b35bbfdaeee79ec8261e) [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 -> 
[5]{Map(<lambda at fn_api_runner_test.py:604>), assert_that} 
a61a3ef5f332b35bbfdaeee79ec8261e.
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - 
ToKeyedWorkItem (1/1) (e9dfdd45b72c92b540393b79c359cfe5) switched from RUNNING 
to FINISHED.
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - 
Freeing task resources for ToKeyedWorkItem (1/1) 
(e9dfdd45b72c92b540393b79c359cfe5).
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - 
Ensuring all FileSystem streams are closed for task ToKeyedWorkItem (1/1) 
(e9dfdd45b72c92b540393b79c359cfe5) [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 
e9dfdd45b72c92b540393b79c359cfe5.
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupByKey -> 
[5]{Map(<lambda at fn_api_runner_test.py:604>), assert_that} (1/1) 
(a61a3ef5f332b35bbfdaeee79ec8261e) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - ToKeyedWorkItem (1/1) 
(e9dfdd45b72c92b540393b79c359cfe5) switched from RUNNING to FINISHED.
WARNING:root:No unique name set for transform 
fn/read/ref_PCollection_PCollection_27:0
[assert_that/Group/GroupByKey -> [3]assert_that/{Group, Unkey, Match} (1/1)] 
WARN org.apache.flink.metrics.MetricGroup - Name collision: Group already 
contains a Metric with the name 
'beam.metric:pardo_execution_time:finish_bundle_msecs:v1'. Metric will not be 
reported.[localhost, taskmanager, 9f89c3d6-bd48-47ff-82d0-072fe9d9fc60, 
test_windowing_1565785182.18, [3]assert_that/{Group, Unkey, Match}, 0]
[assert_that/Group/GroupByKey -> [3]assert_that/{Group, Unkey, Match} (1/1)] 
WARN org.apache.flink.metrics.MetricGroup - Name collision: Group already 
contains a Metric with the name 
'beam.metric:pardo_execution_time:process_bundle_msecs:v1'. Metric will not be 
reported.[localhost, taskmanager, 9f89c3d6-bd48-47ff-82d0-072fe9d9fc60, 
test_windowing_1565785182.18, [3]assert_that/{Group, Unkey, Match}, 0]
[assert_that/Group/GroupByKey -> [3]assert_that/{Group, Unkey, Match} (1/1)] 
WARN org.apache.flink.metrics.MetricGroup - Name collision: Group already 
contains a Metric with the name 
'beam.metric:pardo_execution_time:start_bundle_msecs:v1'. Metric will not be 
reported.[localhost, taskmanager, 9f89c3d6-bd48-47ff-82d0-072fe9d9fc60, 
test_windowing_1565785182.18, [3]assert_that/{Group, Unkey, Match}, 0]
[assert_that/Group/GroupByKey -> [3]assert_that/{Group, Unkey, Match} (1/1)] 
WARN org.apache.flink.metrics.MetricGroup - Name collision: Group already 
contains a Metric with the name 
'beam.metric:ptransform_execution_time:total_msecs:v1'. Metric will not be 
reported.[localhost, taskmanager, 9f89c3d6-bd48-47ff-82d0-072fe9d9fc60, 
test_windowing_1565785182.18, [3]assert_that/{Group, Unkey, Match}, 0]
[assert_that/Group/GroupByKey -> [3]assert_that/{Group, Unkey, Match} (1/1)] 
WARN org.apache.flink.metrics.MetricGroup - Name collision: Group already 
contains a Metric with the name 'beam.metric:element_count:v1'. Metric will not 
be reported.[localhost, taskmanager, 9f89c3d6-bd48-47ff-82d0-072fe9d9fc60, 
test_windowing_1565785182.18, [3]assert_that/{Group, Unkey, Match}, 0]
[assert_that/Group/GroupByKey -> [3]assert_that/{Group, Unkey, Match} (1/1)] 
WARN org.apache.flink.metrics.MetricGroup - Name collision: Group already 
contains a Metric with the name 'beam.metric:sampled_byte_size:v1'. Metric will 
not be reported.[localhost, taskmanager, 9f89c3d6-bd48-47ff-82d0-072fe9d9fc60, 
test_windowing_1565785182.18, [3]assert_that/{Group, Unkey, Match}, 0]
[assert_that/Group/GroupByKey -> [3]assert_that/{Group, Unkey, Match} (1/1)] 
INFO org.apache.beam.runners.fnexecution.control.DefaultJobBundleFactory - 
Closing environment urn: "beam:env:external:v1"
payload: "\n\021\022\017localhost:34321"

INFO:root:No more requests from control plane
INFO:root:SDK Harness waiting for in-flight requests to complete
[assert_that/Group/GroupByKey -> [3]assert_that/{Group, Unkey, Match} (1/1)] 
WARN org.apache.beam.sdk.fn.data.BeamFnDataGrpcMultiplexer - Hanged up for 
unknown endpoint.
INFO:root:Closing all cached grpc data channels.
[assert_that/Group/GroupByKey -> [3]assert_that/{Group, Unkey, Match} (1/1)] 
INFO org.apache.flink.runtime.taskmanager.Task - assert_that/Group/GroupByKey 
-> [3]assert_that/{Group, Unkey, Match} (1/1) 
(d7a8a86c7b88eb1509aaf1249f6e808d) switched from RUNNING to FINISHED.
[assert_that/Group/GroupByKey -> [3]assert_that/{Group, Unkey, Match} (1/1)] 
INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for 
assert_that/Group/GroupByKey -> [3]assert_that/{Group, Unkey, Match} (1/1) 
(d7a8a86c7b88eb1509aaf1249f6e808d).
[assert_that/Group/GroupByKey -> [3]assert_that/{Group, Unkey, Match} (1/1)] 
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} (1/1) (d7a8a86c7b88eb1509aaf1249f6e808d) 
[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 -> [3]assert_that/{Group, Unkey, Match} 
d7a8a86c7b88eb1509aaf1249f6e808d.INFO:root:Closing all cached gRPC state 
handlers.
INFO:root:Done consuming work.

[flink-akka.actor.default-dispatcher-5] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - 
assert_that/Group/GroupByKey -> [3]assert_that/{Group, Unkey, Match} (1/1) 
(d7a8a86c7b88eb1509aaf1249f6e808d) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-5] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - Job 
test_windowing_1565785182.18 (51a0537983b7b16859ea05acd771d097) switched from 
state RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-5] INFO 
org.apache.flink.runtime.checkpoint.CheckpointCoordinator - Stopping checkpoint 
coordinator for job 51a0537983b7b16859ea05acd771d097.
[flink-akka.actor.default-dispatcher-5] INFO 
org.apache.flink.runtime.checkpoint.StandaloneCompletedCheckpointStore - 
Shutting down
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Job 
51a0537983b7b16859ea05acd771d097 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_1565785182.18(51a0537983b7b16859ea05acd771d097).
[flink-akka.actor.default-dispatcher-3] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Close JobManager 
connection for job 51a0537983b7b16859ea05acd771d097.
[flink-akka.actor.default-dispatcher-5] INFO 
org.apache.flink.runtime.jobmaster.JobMaster - Close ResourceManager connection 
b7129c55d1128fd016e54acf992c9da6: JobManager is shutting down..
[flink-akka.actor.default-dispatcher-4] INFO 
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42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:external:v1:0:beam:metric:pardo_execution_time:process_bundle_msecs:v1
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42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:external:v1:0:beam:metric:pardo_execution_time:process_bundle_msecs:v1
 
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42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:external:v1:0:beam:metric:ptransform_execution_time:total_msecs:v1
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0)Distributions(14Create/Impulse.None/beam:env:external:v1:0:beam:metric:sampled_byte_size:v1
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48Create/MaybeReshuffle/Reshuffle/RemoveRandomKeys.None/beam:env:external:v1:0:beam:metric:sampled_byte_size:v1
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48Create/MaybeReshuffle/Reshuffle/RemoveRandomKeys.None/beam:env:external:v1:0:beam:metric:sampled_byte_size:v1
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26assert_that/Create/Impulse.None/beam:env:external:v1:0:beam:metric:sampled_byte_size:v1
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14Create/Impulse.None/beam:env:external:v1:0:beam:metric:sampled_byte_size:v1 
{PCOLLECTION=ref_PCollection_PCollection_2}: DistributionResult{sum=75, 
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26assert_that/Create/Impulse.None/beam:env:external:v1:0:beam:metric:sampled_byte_size:v1
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24GroupByKey/GroupByWindow.None/beam:env:external:v1:0:beam:metric:sampled_byte_size:v1
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26assert_that/Create/Impulse.None/beam:env:external:v1:0:beam:metric:sampled_byte_size:v1
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24GroupByKey/GroupByWindow.None/beam:env:external:v1:0:beam:metric:sampled_byte_size:v1
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26assert_that/Create/Impulse.None/beam:env:external:v1:0:beam:metric:sampled_byte_size:v1
 {PCOLLECTION=ref_PCollection_PCollection_17}: DistributionResult{sum=13, 
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42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:external:v1:0:beam:metric:sampled_byte_size:v1
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42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:external:v1:0:beam:metric:sampled_byte_size:v1
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42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:external:v1:0:beam:metric:sampled_byte_size:v1
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26assert_that/Create/Impulse.None/beam:env:external:v1:0:beam:metric:sampled_byte_size:v1
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24GroupByKey/GroupByWindow.None/beam:env:external:v1:0:beam:metric:sampled_byte_size:v1
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24GroupByKey/GroupByWindow.None/beam:env:external:v1:0:beam:metric:sampled_byte_size:v1
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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.BeamFileSystemArtifactRetrievalService
 - Manifest at 
/tmp/flinktestO1Metq/job_b38a6df1-af1a-4064-9860-5d7c211f4bb0/MANIFEST has 0 
artifact locations
[flink-runner-job-invoker] INFO 
org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactStagingService
 - Removed dir /tmp/flinktestO1Metq/job_b38a6df1-af1a-4064-9860-5d7c211f4bb0/
INFO:root:Job state changed to DONE
.INFO:root:removing conf dir: /tmp/flinktest-confS5H1Xs

----------------------------------------------------------------------
Ran 76 tests in 104.073s

OK (skipped=16)

FAILURE: Build failed with an exception.

* Where:
Build file 
'<https://builds.apache.org/job/beam_PreCommit_Python_PVR_Flink_Cron/ws/src/sdks/python/test-suites/portable/py2/build.gradle'>
 line: 209

* What went wrong:
Execution failed for task 
':sdks:python:test-suites:portable:py2: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 0s
65 actionable tasks: 49 executed, 15 from cache, 1 up-to-date

Publishing build scan...
https://gradle.com/s/65nly3gdm6z66

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

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