See 
<https://builds.apache.org/job/beam_PreCommit_Python_PVR_Flink_Cron/725/display/redirect>

------------------------------------------
[...truncated 21.44 MB...]
[flink-akka.actor.default-dispatcher-5] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task 
assert_that/Group/GroupByKey -> [3]assert_that/{Group, Unkey, Match} (1/1).
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Impulse -> 
[1]Create/FlatMap(<lambda at core.py:2257>) (1/1) 
(8a093b1713fd8f2ba589094f53150482) switched from DEPLOYING to RUNNING.
[Source: Impulse -> [1]Create/FlatMap(<lambda at core.py:2257>) (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: Impulse -> [4]assert_that/{Create, Group} (1/1)] INFO 
org.apache.flink.runtime.taskmanager.Task - Source: Impulse -> 
[4]assert_that/{Create, Group} (1/1) (04070ba6aa5f0fe1b0d04df89dc8b27c) 
switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Impulse -> 
[4]assert_that/{Create, Group} (1/1) (04070ba6aa5f0fe1b0d04df89dc8b27c) 
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)
[[3]{Create, Map(<lambda at fn_api_runner_test.py:600>), 
WindowInto(WindowIntoFn)} -> ToKeyedWorkItem (1/1)] INFO 
org.apache.flink.runtime.taskmanager.Task - [3]{Create, Map(<lambda at 
fn_api_runner_test.py:600>), WindowInto(WindowIntoFn)} -> ToKeyedWorkItem (1/1) 
(2012da781059a72a7aef4625a616ca8f) switched from DEPLOYING to RUNNING.
[[3]{Create, Map(<lambda at fn_api_runner_test.py:600>), 
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 - [3]{Create, 
Map(<lambda at fn_api_runner_test.py:600>), WindowInto(WindowIntoFn)} -> 
ToKeyedWorkItem (1/1) (2012da781059a72a7aef4625a616ca8f) switched from 
DEPLOYING to RUNNING.
[GroupByKey -> [5]{Map(<lambda at fn_api_runner_test.py:603>), assert_that} 
(1/1)] INFO org.apache.flink.runtime.taskmanager.Task - GroupByKey -> 
[5]{Map(<lambda at fn_api_runner_test.py:603>), assert_that} (1/1) 
(e449e4b83c26df35afe3d1cd346abc7c) switched from DEPLOYING to RUNNING.
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - 
ToKeyedWorkItem (1/1) (716883a8a7692eb2b5871d1891f62228) 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 - GroupByKey -> 
[5]{Map(<lambda at fn_api_runner_test.py:603>), assert_that} (1/1) 
(e449e4b83c26df35afe3d1cd346abc7c) switched from DEPLOYING to RUNNING.
[GroupByKey -> [5]{Map(<lambda at fn_api_runner_test.py:603>), 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-3] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - ToKeyedWorkItem (1/1) 
(716883a8a7692eb2b5871d1891f62228) switched from DEPLOYING to RUNNING.
[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) 
(7b924c8379a7cfbe7c3d8fca7b4cc390) switched from CREATED to DEPLOYING.
[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) (7b924c8379a7cfbe7c3d8fca7b4cc390) [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) 
(7b924c8379a7cfbe7c3d8fca7b4cc390) [DEPLOYING].
[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) 
(7b924c8379a7cfbe7c3d8fca7b4cc390) [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) 
(7b924c8379a7cfbe7c3d8fca7b4cc390) switched from DEPLOYING to RUNNING.
[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) 
(7b924c8379a7cfbe7c3d8fca7b4cc390) 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)
[[3]{Create, Map(<lambda at fn_api_runner_test.py:600>), 
WindowInto(WindowIntoFn)} -> ToKeyedWorkItem (1/1)] WARN 
org.apache.flink.metrics.MetricGroup - The operator name [3]{Create, 
Map(<lambda at fn_api_runner_test.py:600>), 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:603>), assert_that} 
(1/1)] INFO org.apache.flink.runtime.state.heap.HeapKeyedStateBackend - 
Initializing heap keyed state backend with stream factory.
Jul 01, 2019 12:34:25 PM 
org.apache.beam.vendor.grpc.v1p13p1.io.grpc.internal.ManagedChannelOrphanWrapper$ManagedChannelReference
 cleanQueue
SEVERE: *~*~*~ Channel ManagedChannelImpl{logId=756, target=localhost:35101} 
was not shutdown properly!!! ~*~*~*
    Make sure to call shutdown()/shutdownNow() and wait until 
awaitTermination() returns true.
java.lang.RuntimeException: ManagedChannel allocation site
        at 
org.apache.beam.vendor.grpc.v1p13p1.io.grpc.internal.ManagedChannelOrphanWrapper$ManagedChannelReference.<init>(ManagedChannelOrphanWrapper.java:103)
        at 
org.apache.beam.vendor.grpc.v1p13p1.io.grpc.internal.ManagedChannelOrphanWrapper.<init>(ManagedChannelOrphanWrapper.java:53)
        at 
org.apache.beam.vendor.grpc.v1p13p1.io.grpc.internal.ManagedChannelOrphanWrapper.<init>(ManagedChannelOrphanWrapper.java:44)
        at 
org.apache.beam.vendor.grpc.v1p13p1.io.grpc.internal.AbstractManagedChannelImplBuilder.build(AbstractManagedChannelImplBuilder.java:410)
        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$1.load(DefaultJobBundleFactory.java:162)
        at 
org.apache.beam.vendor.guava.v20_0.com.google.common.cache.LocalCache$LoadingValueReference.loadFuture(LocalCache.java:3628)
        at 
org.apache.beam.vendor.guava.v20_0.com.google.common.cache.LocalCache$Segment.loadSync(LocalCache.java:2336)
        at 
org.apache.beam.vendor.guava.v20_0.com.google.common.cache.LocalCache$Segment.lockedGetOrLoad(LocalCache.java:2295)
        at 
org.apache.beam.vendor.guava.v20_0.com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2208)
        at 
org.apache.beam.vendor.guava.v20_0.com.google.common.cache.LocalCache.get(LocalCache.java:4053)
        at 
org.apache.beam.vendor.guava.v20_0.com.google.common.cache.LocalCache.getOrLoad(LocalCache.java:4057)
        at 
org.apache.beam.vendor.guava.v20_0.com.google.common.cache.LocalCache$LocalLoadingCache.get(LocalCache.java:4986)
        at 
org.apache.beam.vendor.guava.v20_0.com.google.common.cache.LocalCache$LocalLoadingCache.getUnchecked(LocalCache.java:4992)
        at 
org.apache.beam.runners.fnexecution.control.DefaultJobBundleFactory$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:36753.
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:38965.
INFO:root:State channel established.
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/write/ref_PCollection_PCollection_2:0
INFO:root:Creating channel for localhost:38275
[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
WARNING:root:No unique name set for transform 
fn/read/ref_PCollection_PCollection_17:0
[Source: Impulse -> [1]Create/FlatMap(<lambda at core.py:2257>) (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, 446e1a11-44de-44b7-ba8f-13a4215ef79e, 
test_windowing_1561984464.67, [1]Create/FlatMap(<lambda at core.py:2257>), 0]
[Source: Impulse -> [1]Create/FlatMap(<lambda at core.py:2257>) (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, 
446e1a11-44de-44b7-ba8f-13a4215ef79e, test_windowing_1561984464.67, 
[1]Create/FlatMap(<lambda at core.py:2257>), 0]
[Source: Impulse -> [1]Create/FlatMap(<lambda at core.py:2257>) (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, 446e1a11-44de-44b7-ba8f-13a4215ef79e, 
test_windowing_1561984464.67, [1]Create/FlatMap(<lambda at core.py:2257>), 0]
[Source: Impulse -> [1]Create/FlatMap(<lambda at core.py:2257>) (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, 
446e1a11-44de-44b7-ba8f-13a4215ef79e, test_windowing_1561984464.67, 
[1]Create/FlatMap(<lambda at core.py:2257>), 0]
[Source: Impulse -> [1]Create/FlatMap(<lambda at core.py:2257>) (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, 
446e1a11-44de-44b7-ba8f-13a4215ef79e, test_windowing_1561984464.67, 
[1]Create/FlatMap(<lambda at core.py:2257>), 0]
[Source: Impulse -> [1]Create/FlatMap(<lambda at core.py:2257>) (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, 446e1a11-44de-44b7-ba8f-13a4215ef79e, 
test_windowing_1561984464.67, [1]Create/FlatMap(<lambda at core.py:2257>), 0]
[Source: Impulse -> [1]Create/FlatMap(<lambda at core.py:2257>) (1/1)] INFO 
org.apache.flink.runtime.taskmanager.Task - Source: Impulse -> 
[1]Create/FlatMap(<lambda at core.py:2257>) (1/1) 
(8a093b1713fd8f2ba589094f53150482) switched from RUNNING to FINISHED.
[Source: Impulse -> [1]Create/FlatMap(<lambda at core.py:2257>) (1/1)] INFO 
org.apache.flink.runtime.taskmanager.Task - Freeing task resources for Source: 
Impulse -> [1]Create/FlatMap(<lambda at core.py:2257>) (1/1) 
(8a093b1713fd8f2ba589094f53150482).
[Source: Impulse -> [1]Create/FlatMap(<lambda at core.py:2257>) (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:2257>) 
(1/1) (8a093b1713fd8f2ba589094f53150482) [FINISHED]
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and 
sending final execution state FINISHED to JobManager for task Source: Impulse 
-> [1]Create/FlatMap(<lambda at core.py:2257>) 8a093b1713fd8f2ba589094f53150482.
[flink-akka.actor.default-dispatcher-5] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Impulse -> 
[1]Create/FlatMap(<lambda at core.py:2257>) (1/1) 
(8a093b1713fd8f2ba589094f53150482) 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, 
446e1a11-44de-44b7-ba8f-13a4215ef79e, test_windowing_1561984464.67, 
[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, 446e1a11-44de-44b7-ba8f-13a4215ef79e, 
test_windowing_1561984464.67, [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, 
446e1a11-44de-44b7-ba8f-13a4215ef79e, test_windowing_1561984464.67, 
[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, 
446e1a11-44de-44b7-ba8f-13a4215ef79e, test_windowing_1561984464.67, 
[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, 446e1a11-44de-44b7-ba8f-13a4215ef79e, 
test_windowing_1561984464.67, [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, 446e1a11-44de-44b7-ba8f-13a4215ef79e, 
test_windowing_1561984464.67, [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) (04070ba6aa5f0fe1b0d04df89dc8b27c) 
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) 
(04070ba6aa5f0fe1b0d04df89dc8b27c).
[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) 
(04070ba6aa5f0fe1b0d04df89dc8b27c) [FINISHED]
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and 
sending final execution state FINISHED to JobManager for task Source: Impulse 
-> [4]assert_that/{Create, Group} 04070ba6aa5f0fe1b0d04df89dc8b27c.
WARNING:root:No unique name set for transform 
fn/read/ref_PCollection_PCollection_9:0
[flink-akka.actor.default-dispatcher-5] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Impulse -> 
[4]assert_that/{Create, Group} (1/1) (04070ba6aa5f0fe1b0d04df89dc8b27c) 
switched from RUNNING to FINISHED.
[[3]{Create, Map(<lambda at fn_api_runner_test.py:600>), 
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, 
446e1a11-44de-44b7-ba8f-13a4215ef79e, test_windowing_1561984464.67, [3]{Create, 
Map(<lambda at fn_api_runner_test.py:600>), WindowInto(WindowIntoFn), 0]
[[3]{Create, Map(<lambda at fn_api_runner_test.py:600>), 
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, 446e1a11-44de-44b7-ba8f-13a4215ef79e, 
test_windowing_1561984464.67, [3]{Create, Map(<lambda at 
fn_api_runner_test.py:600>), WindowInto(WindowIntoFn), 0]
[[3]{Create, Map(<lambda at fn_api_runner_test.py:600>), 
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, 
446e1a11-44de-44b7-ba8f-13a4215ef79e, test_windowing_1561984464.67, [3]{Create, 
Map(<lambda at fn_api_runner_test.py:600>), WindowInto(WindowIntoFn), 0]
[[3]{Create, Map(<lambda at fn_api_runner_test.py:600>), 
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, 
446e1a11-44de-44b7-ba8f-13a4215ef79e, test_windowing_1561984464.67, [3]{Create, 
Map(<lambda at fn_api_runner_test.py:600>), WindowInto(WindowIntoFn), 0]
[[3]{Create, Map(<lambda at fn_api_runner_test.py:600>), 
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, 446e1a11-44de-44b7-ba8f-13a4215ef79e, 
test_windowing_1561984464.67, [3]{Create, Map(<lambda at 
fn_api_runner_test.py:600>), WindowInto(WindowIntoFn), 0]
[[3]{Create, Map(<lambda at fn_api_runner_test.py:600>), 
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, 446e1a11-44de-44b7-ba8f-13a4215ef79e, 
test_windowing_1561984464.67, [3]{Create, Map(<lambda at 
fn_api_runner_test.py:600>), WindowInto(WindowIntoFn), 0]
[[3]{Create, Map(<lambda at fn_api_runner_test.py:600>), 
WindowInto(WindowIntoFn)} -> ToKeyedWorkItem (1/1)] INFO 
org.apache.flink.runtime.taskmanager.Task - [3]{Create, Map(<lambda at 
fn_api_runner_test.py:600>), WindowInto(WindowIntoFn)} -> ToKeyedWorkItem (1/1) 
(2012da781059a72a7aef4625a616ca8f) switched from RUNNING to FINISHED.
[[3]{Create, Map(<lambda at fn_api_runner_test.py:600>), 
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:600>), 
WindowInto(WindowIntoFn)} -> ToKeyedWorkItem (1/1) 
(2012da781059a72a7aef4625a616ca8f).
[[3]{Create, Map(<lambda at fn_api_runner_test.py:600>), 
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:600>), 
WindowInto(WindowIntoFn)} -> ToKeyedWorkItem (1/1) 
(2012da781059a72a7aef4625a616ca8f) [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:600>), WindowInto(WindowIntoFn)} -> 
ToKeyedWorkItem 2012da781059a72a7aef4625a616ca8f.
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - [3]{Create, 
Map(<lambda at fn_api_runner_test.py:600>), WindowInto(WindowIntoFn)} -> 
ToKeyedWorkItem (1/1) (2012da781059a72a7aef4625a616ca8f) switched from RUNNING 
to FINISHED.
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/read/ref_PCollection_PCollection_15:0
[GroupByKey -> [5]{Map(<lambda at fn_api_runner_test.py:603>), 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, 446e1a11-44de-44b7-ba8f-13a4215ef79e, 
test_windowing_1561984464.67, [5]{Map(<lambda at fn_api_runner_test.py:603>), 
assert_that}, 0]
[GroupByKey -> [5]{Map(<lambda at fn_api_runner_test.py:603>), 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, 446e1a11-44de-44b7-ba8f-13a4215ef79e, 
test_windowing_1561984464.67, [5]{Map(<lambda at fn_api_runner_test.py:603>), 
assert_that}, 0]
[GroupByKey -> [5]{Map(<lambda at fn_api_runner_test.py:603>), 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, 446e1a11-44de-44b7-ba8f-13a4215ef79e, 
test_windowing_1561984464.67, [5]{Map(<lambda at fn_api_runner_test.py:603>), 
assert_that}, 0]
[GroupByKey -> [5]{Map(<lambda at fn_api_runner_test.py:603>), 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, 446e1a11-44de-44b7-ba8f-13a4215ef79e, 
test_windowing_1561984464.67, [5]{Map(<lambda at fn_api_runner_test.py:603>), 
assert_that}, 0]
[GroupByKey -> [5]{Map(<lambda at fn_api_runner_test.py:603>), 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, 
446e1a11-44de-44b7-ba8f-13a4215ef79e, test_windowing_1561984464.67, 
[5]{Map(<lambda at fn_api_runner_test.py:603>), assert_that}, 0]
[GroupByKey -> [5]{Map(<lambda at fn_api_runner_test.py:603>), 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, 
446e1a11-44de-44b7-ba8f-13a4215ef79e, test_windowing_1561984464.67, 
[5]{Map(<lambda at fn_api_runner_test.py:603>), assert_that}, 0]
[GroupByKey -> [5]{Map(<lambda at fn_api_runner_test.py:603>), assert_that} 
(1/1)] INFO org.apache.flink.runtime.taskmanager.Task - GroupByKey -> 
[5]{Map(<lambda at fn_api_runner_test.py:603>), assert_that} (1/1) 
(e449e4b83c26df35afe3d1cd346abc7c) switched from RUNNING to FINISHED.
[GroupByKey -> [5]{Map(<lambda at fn_api_runner_test.py:603>), 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:603>), assert_that} 
(1/1) (e449e4b83c26df35afe3d1cd346abc7c).
[GroupByKey -> [5]{Map(<lambda at fn_api_runner_test.py:603>), 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:603>), assert_that} (1/1) 
(e449e4b83c26df35afe3d1cd346abc7c) [FINISHED]
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - 
ToKeyedWorkItem (1/1) (716883a8a7692eb2b5871d1891f62228) switched from RUNNING 
to FINISHED.
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - 
Freeing task resources for ToKeyedWorkItem (1/1) 
(716883a8a7692eb2b5871d1891f62228).
[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 -> 
[5]{Map(<lambda at fn_api_runner_test.py:603>), assert_that} 
e449e4b83c26df35afe3d1cd346abc7c.
[ToKeyedWorkItem (1/1)] INFO org.apache.flink.runtime.taskmanager.Task - 
Ensuring all FileSystem streams are closed for task ToKeyedWorkItem (1/1) 
(716883a8a7692eb2b5871d1891f62228) [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 
716883a8a7692eb2b5871d1891f62228.
[flink-akka.actor.default-dispatcher-3] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupByKey -> 
[5]{Map(<lambda at fn_api_runner_test.py:603>), assert_that} (1/1) 
(e449e4b83c26df35afe3d1cd346abc7c) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-3] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - ToKeyedWorkItem (1/1) 
(716883a8a7692eb2b5871d1891f62228) 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, 446e1a11-44de-44b7-ba8f-13a4215ef79e, 
test_windowing_1561984464.67, [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, 446e1a11-44de-44b7-ba8f-13a4215ef79e, 
test_windowing_1561984464.67, [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, 446e1a11-44de-44b7-ba8f-13a4215ef79e, 
test_windowing_1561984464.67, [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, 446e1a11-44de-44b7-ba8f-13a4215ef79e, 
test_windowing_1561984464.67, [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, 446e1a11-44de-44b7-ba8f-13a4215ef79e, 
test_windowing_1561984464.67, [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, 446e1a11-44de-44b7-ba8f-13a4215ef79e, 
test_windowing_1561984464.67, [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:44217"

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.
[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) 
(7b924c8379a7cfbe7c3d8fca7b4cc390) 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) 
(7b924c8379a7cfbe7c3d8fca7b4cc390).
[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) (7b924c8379a7cfbe7c3d8fca7b4cc390) 
[FINISHED]
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and 
sending final execution state FINISHED to JobManager for task 
assert_that/Group/GroupByKey -> [3]assert_that/{Group, Unkey, Match} 
7b924c8379a7cfbe7c3d8fca7b4cc390.
ERROR:root:Failed to read inputs in the data plane
Traceback (most recent call last):
  File "apache_beam/runners/worker/data_plane.py", line 272, in _read_inputs
    for elements in elements_iterator:
  File 
"<https://builds.apache.org/job/beam_PreCommit_Python_PVR_Flink_Cron/ws/src/build/gradleenv/1922375555/local/lib/python2.7/site-packages/grpc/_channel.py";,>
 line 367, in next
    return self._next()
  File 
"<https://builds.apache.org/job/beam_PreCommit_Python_PVR_Flink_Cron/ws/src/build/gradleenv/1922375555/local/lib/python2.7/site-packages/grpc/_channel.py";,>
 line 358, in _next
    raise self
_Rendezvous: <_Rendezvous of RPC that terminated with:
        status = StatusCode.CANCELLED
        details = "Multiplexer hanging up"
        debug_error_string = 
"{"created":"@1561984465.722214340","description":"Error received from peer 
ipv4:127.0.0.1:38275","file":"src/core/lib/surface/call.cc","file_line":1046,"grpc_message":"Multiplexer
 hanging up","grpc_status":1}"
>
Exception in thread read_grpc_client_inputs:
Traceback (most recent call last):
  File "/usr/lib/python2.7/threading.py", line 801, in __bootstrap_inner
    self.run()
  File "/usr/lib/python2.7/threading.py", line 754, in run
    self.__target(*self.__args, **self.__kwargs)
  File "apache_beam/runners/worker/data_plane.py", line 286, in <lambda>
    target=lambda: self._read_inputs(elements_iterator),
  File "apache_beam/runners/worker/data_plane.py", line 272, in _read_inputs
    for elements in elements_iterator:
  File 
"<https://builds.apache.org/job/beam_PreCommit_Python_PVR_Flink_Cron/ws/src/build/gradleenv/1922375555/local/lib/python2.7/site-packages/grpc/_channel.py";,>
 line 367, in next
    return self._next()
  File 
"<https://builds.apache.org/job/beam_PreCommit_Python_PVR_Flink_Cron/ws/src/build/gradleenv/1922375555/local/lib/python2.7/site-packages/grpc/_channel.py";,>
 line 358, in _next
    raise self
_Rendezvous: <_Rendezvous of RPC that terminated with:
        status = StatusCode.CANCELLED
        details = "Multiplexer hanging up"
        debug_error_string = 
"{"created":"@1561984465.722214340","description":"Error received from peer 
ipv4:127.0.0.1:38275","file":"src/core/lib/surface/call.cc","file_line":1046,"grpc_message":"Multiplexer
 hanging up","grpc_status":1}"
>

[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - 
assert_that/Group/GroupByKey -> [3]assert_that/{Group, Unkey, Match} (1/1) 
(7b924c8379a7cfbe7c3d8fca7b4cc390) switched from RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - Job 
test_windowing_1561984464.67 (94254d4531fbad70b5054dcceff87a81) switched from 
state RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.checkpoint.CheckpointCoordinator - Stopping checkpoint 
coordinator for job 94254d4531fbad70b5054dcceff87a81.
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.checkpoint.StandaloneCompletedCheckpointStore - 
Shutting down
INFO:root:Closing all cached grpc data channels.
INFO:root:Closing all cached gRPC state handlers.
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Job 
94254d4531fbad70b5054dcceff87a81 reached globally terminal state FINISHED.
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.jobmaster.JobMaster - Stopping the JobMaster for job 
test_windowing_1561984464.67(94254d4531fbad70b5054dcceff87a81).
INFO:root:Done consuming work.
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Close JobManager 
connection for job 94254d4531fbad70b5054dcceff87a81.
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Free slot 
TaskSlot(index:0, state:ALLOCATED, resource profile: 
ResourceProfile{cpuCores=1.0, heapMemoryInMB=42, directMemoryInMB=0, 
nativeMemoryInMB=0, networkMemoryInMB=0}, allocationId: 
AllocationID{24d12df52225c5b4f0259a52280f8906}, jobId: 
94254d4531fbad70b5054dcceff87a81).
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.taskexecutor.JobLeaderService - Remove job 
94254d4531fbad70b5054dcceff87a81 from job leader monitoring.
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Close JobManager 
connection for job 94254d4531fbad70b5054dcceff87a81.
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.jobmaster.JobMaster - Close ResourceManager connection 
a859c566ad426c5b7a7e58b15635277f: JobManager is shutting down..
[flink-akka.actor.default-dispatcher-5] INFO 
org.apache.flink.runtime.jobmaster.slotpool.SlotPool - Suspending SlotPool.
[flink-akka.actor.default-dispatcher-5] INFO 
org.apache.flink.runtime.jobmaster.slotpool.SlotPool - Stopping SlotPool.
[flink-akka.actor.default-dispatcher-3] INFO 
org.apache.flink.runtime.resourcemanager.StandaloneResourceManager - Disconnect 
job manager bb3db9453fb32be1488ae37734444532@akka://flink/user/jobmanager_61 
for job 94254d4531fbad70b5054dcceff87a81 from the resource manager.
[flink-runner-job-invoker] INFO 
org.apache.flink.runtime.minicluster.MiniCluster - Shutting down Flink Mini 
Cluster
[flink-runner-job-invoker] INFO 
org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint - Shutting down rest 
endpoint.
[flink-akka.actor.default-dispatcher-5] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Stopping TaskExecutor 
akka://flink/user/taskmanager_60.
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Stopping dispatcher 
akka://flink/user/dispatcher07e8c029-9869-4213-b2c0-947a8effbe1b.
[flink-akka.actor.default-dispatcher-5] INFO 
org.apache.flink.runtime.state.TaskExecutorLocalStateStoresManager - Shutting 
down TaskExecutorLocalStateStoresManager.
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Stopping all 
currently running jobs of dispatcher 
akka://flink/user/dispatcher07e8c029-9869-4213-b2c0-947a8effbe1b.
[flink-akka.actor.default-dispatcher-3] INFO 
org.apache.flink.runtime.resourcemanager.slotmanager.SlotManager - Closing the 
SlotManager.
[flink-akka.actor.default-dispatcher-3] INFO 
org.apache.flink.runtime.resourcemanager.slotmanager.SlotManager - Suspending 
the SlotManager.
[flink-akka.actor.default-dispatcher-5] INFO 
org.apache.flink.runtime.io.disk.iomanager.IOManager - I/O manager removed 
spill file directory /tmp/flink-io-9698873b-06dc-41eb-8cee-9e92b23ae99a
[flink-akka.actor.default-dispatcher-5] INFO 
org.apache.flink.runtime.io.network.NetworkEnvironment - Shutting down the 
network environment and its components.
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.rest.handler.legacy.backpressure.StackTraceSampleCoordinator
 - Shutting down stack trace sample coordinator.
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Stopped dispatcher 
akka://flink/user/dispatcher07e8c029-9869-4213-b2c0-947a8effbe1b.
[flink-akka.actor.default-dispatcher-5] INFO 
org.apache.flink.runtime.taskexecutor.JobLeaderService - Stop job leader 
service.
[flink-akka.actor.default-dispatcher-5] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Stopped TaskExecutor 
akka://flink/user/taskmanager_60.
[ForkJoinPool.commonPool-worker-2] INFO 
org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint - Removing cache 
directory /tmp/flink-web-ui
[ForkJoinPool.commonPool-worker-2] INFO 
org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint - Shut down complete.
[ForkJoinPool.commonPool-worker-2] INFO 
org.apache.beam.runners.flink.metrics.FileReporter - wrote metrics to 
/tmp/flinktest-confvuPBlF/test-metrics.txt
[ForkJoinPool.commonPool-worker-2] INFO 
org.apache.flink.runtime.rpc.akka.AkkaRpcService - Stopping Akka RPC service.
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.blob.PermanentBlobCache - Shutting down BLOB cache
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.blob.TransientBlobCache - Shutting down BLOB cache
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.blob.BlobServer - Stopped BLOB server at 0.0.0.0:44537
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.rpc.akka.AkkaRpcService - Stopped Akka RPC service.
[flink-runner-job-invoker] INFO org.apache.beam.runners.flink.FlinkRunner - 
Execution finished in 245 msecs
[flink-runner-job-invoker] INFO org.apache.beam.runners.flink.FlinkRunner - 
Final accumulator values:
[flink-runner-job-invoker] INFO org.apache.beam.runners.flink.FlinkRunner - 
__metricscontainers : 
MetricQueryResults(Counters(26assert_that/Create/Impulse.None/beam:env:external:v1:0:beam:metric:ptransform_execution_time:total_msecs:v1
 {PTRANSFORM=ref_AppliedPTransform_assert_that/Group/pair_with_0_33}: 0, 
24GroupByKey/GroupByWindow.None/beam:env:external:v1:0:beam:metric:ptransform_execution_time:total_msecs:v1
 {PTRANSFORM=fn/write/ref_PCollection_PCollection_24:0:0}: 0, 
48Create/MaybeReshuffle/Reshuffle/RemoveRandomKeys.None/beam:env:external:v1:0:beam:metric:pardo_execution_time:start_bundle_msecs:v1
 {PTRANSFORM=ref_AppliedPTransform_Create/Map(decode)_16}: 0, 
42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:external:v1:0:beam:metric:ptransform_execution_time:total_msecs:v1
 
{PTRANSFORM=ref_AppliedPTransform_assert_that/Group/Map(_merge_tagged_vals_under_key)_40}:
 0, 
24GroupByKey/GroupByWindow.None/beam:env:external:v1:0:beam:metric:pardo_execution_time:start_bundle_msecs:v1
 {PTRANSFORM=ref_AppliedPTransform_assert_that/Group/Flatten_35}: 0, 
42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:external:v1:0:beam:metric:pardo_execution_time:finish_bundle_msecs:v1
 {PTRANSFORM=fn/read/ref_PCollection_PCollection_27:0}: 0, 
26assert_that/Create/Impulse.None/beam:env:external:v1:0:beam:metric:ptransform_execution_time:total_msecs:v1
 {PTRANSFORM=fn/write/ref_PCollection_PCollection_24:1:0}: 0, 
24GroupByKey/GroupByWindow.None/beam:env:external:v1:0:beam:metric:pardo_execution_time:finish_bundle_msecs:v1
 {PTRANSFORM=ref_AppliedPTransform_assert_that/ToVoidKey_31}: 0, 
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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}, 
24GroupByKey/GroupByWindow.None/beam:env:external:v1:0:beam:metric:sampled_byte_size:v1
 {PCOLLECTION=ref_PCollection_PCollection_24:0}: 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_12}: DistributionResult{sum=140, 
count=5, min=28, max=28}, 
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_24:1}: 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.BeamFileSystemArtifactRetrievalService
 - Manifest at 
/tmp/flinktest3PIVEw/job_be69bff4-df70-489f-ae8d-fcea94fd5bfc/MANIFEST has 0 
artifact locations
[flink-runner-job-invoker] INFO 
org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactStagingService
 - Removed dir /tmp/flinktest3PIVEw/job_be69bff4-df70-489f-ae8d-fcea94fd5bfc/
INFO:root:Job state changed to DONE
.INFO:root:removing conf dir: /tmp/flinktest-confvuPBlF

----------------------------------------------------------------------
Ran 76 tests in 107.022s

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/build.gradle'>
 line: 290

* What went wrong:
Execution failed for task ':sdks:python: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 23m 55s
65 actionable tasks: 49 executed, 15 from cache, 1 up-to-date

Publishing build scan...
https://gradle.com/s/wuh5ah7x7net6

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

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