See 
<https://builds.apache.org/job/beam_PostCommit_XVR_Flink/1560/display/redirect>

Changes:


------------------------------------------
[...truncated 3.37 MB...]
[grpc-default-executor-0] INFO org.apache.beam.fn.harness.FnHarness - Entering 
instruction processing loop
[grpc-default-executor-0] ERROR 
org.apache.beam.vendor.grpc.v1p26p0.io.grpc.internal.ManagedChannelOrphanWrapper
 - *~*~*~ Channel ManagedChannelImpl{logId=5, target=localhost:43401} 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.v1p26p0.io.grpc.internal.ManagedChannelOrphanWrapper$ManagedChannelReference.<init>(ManagedChannelOrphanWrapper.java:94)
        at 
org.apache.beam.vendor.grpc.v1p26p0.io.grpc.internal.ManagedChannelOrphanWrapper.<init>(ManagedChannelOrphanWrapper.java:52)
        at 
org.apache.beam.vendor.grpc.v1p26p0.io.grpc.internal.ManagedChannelOrphanWrapper.<init>(ManagedChannelOrphanWrapper.java:43)
        at 
org.apache.beam.vendor.grpc.v1p26p0.io.grpc.internal.AbstractManagedChannelImplBuilder.build(AbstractManagedChannelImplBuilder.java:524)
        at 
org.apache.beam.sdk.fn.channel.ManagedChannelFactory$InterceptedManagedChannelFactory.forDescriptor(ManagedChannelFactory.java:107)
        at 
org.apache.beam.fn.harness.control.BeamFnControlClient.<init>(BeamFnControlClient.java:80)
        at org.apache.beam.fn.harness.FnHarness.main(FnHarness.java:204)
        at org.apache.beam.fn.harness.FnHarness.main(FnHarness.java:140)
        at org.apache.beam.fn.harness.FnHarness.main(FnHarness.java:110)
        at org.apache.beam.fn.harness.FnHarness.main(FnHarness.java:86)

[grpc-default-executor-0] INFO 
org.apache.beam.runners.fnexecution.data.GrpcDataService - Beam Fn Data client 
connected.
[CHAIN MapPartition (MapPartition at 
[3]{ExternalTransform(beam:transforms:xlang:filter_less_than_eq), 
ExternalTransform(beam:transforms:xlang:count)}) -> FlatMap (FlatMap at 
ExtractOutput[0]) -> Map (Key Extractor) -> GroupCombine (GroupCombine at 
GroupCombine: 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) -> 
Map (Key Extractor) (14/16)] INFO org.apache.flink.runtime.taskmanager.Task - 
CHAIN MapPartition (MapPartition at 
[3]{ExternalTransform(beam:transforms:xlang:filter_less_than_eq), 
ExternalTransform(beam:transforms:xlang:count)}) -> FlatMap (FlatMap at 
ExtractOutput[0]) -> Map (Key Extractor) -> GroupCombine (GroupCombine at 
GroupCombine: 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) -> 
Map (Key Extractor) (14/16) (7fe8507dc4a7ffb95df5f2a936f18728) switched from 
RUNNING to FINISHED.
[CHAIN MapPartition (MapPartition at 
[3]{ExternalTransform(beam:transforms:xlang:filter_less_than_eq), 
ExternalTransform(beam:transforms:xlang:count)}) -> FlatMap (FlatMap at 
ExtractOutput[0]) -> Map (Key Extractor) -> GroupCombine (GroupCombine at 
GroupCombine: 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) -> 
Map (Key Extractor) (14/16)] INFO org.apache.flink.runtime.taskmanager.Task - 
Freeing task resources for CHAIN MapPartition (MapPartition at 
[3]{ExternalTransform(beam:transforms:xlang:filter_less_than_eq), 
ExternalTransform(beam:transforms:xlang:count)}) -> FlatMap (FlatMap at 
ExtractOutput[0]) -> Map (Key Extractor) -> GroupCombine (GroupCombine at 
GroupCombine: 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) -> 
Map (Key Extractor) (14/16) (7fe8507dc4a7ffb95df5f2a936f18728).
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(1/16) (769e03bd4bb369dd2e53480c7d32ca3a) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(1/16) (769e03bd4bb369dd2e53480c7d32ca3a) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(1/16) (attempt #0) to eccfe942-0e85-4dca-a0d8-6fbdd6c7b7a3 @ localhost 
(dataPort=-1)
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(2/16) (a41dca152c0b5f1d383c9e1c04250e88) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(2/16) (a41dca152c0b5f1d383c9e1c04250e88) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(2/16) (attempt #0) to eccfe942-0e85-4dca-a0d8-6fbdd6c7b7a3 @ localhost 
(dataPort=-1)
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(3/16) (5787ba1ca0768c68f9584f594ea09bed) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(3/16) (5787ba1ca0768c68f9584f594ea09bed) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(3/16) (attempt #0) to eccfe942-0e85-4dca-a0d8-6fbdd6c7b7a3 @ localhost 
(dataPort=-1)
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(4/16) (faeb8d4b1bffa35c75c4000f1af47eb8) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(4/16) (faeb8d4b1bffa35c75c4000f1af47eb8) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(4/16) (attempt #0) to eccfe942-0e85-4dca-a0d8-6fbdd6c7b7a3 @ localhost 
(dataPort=-1)
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(5/16) (8b4d8a9748a62ecc66f287ac45d8e18c) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-8] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(1/16).
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(5/16) (8b4d8a9748a62ecc66f287ac45d8e18c) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(5/16) (attempt #0) to eccfe942-0e85-4dca-a0d8-6fbdd6c7b7a3 @ localhost 
(dataPort=-1)
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(6/16) (4b3132fda965053f9149b1406f8d03e3) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(6/16) (4b3132fda965053f9149b1406f8d03e3) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(6/16) (attempt #0) to eccfe942-0e85-4dca-a0d8-6fbdd6c7b7a3 @ localhost 
(dataPort=-1)
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(1/16)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(1/16) (769e03bd4bb369dd2e53480c7d32ca3a) switched from CREATED to DEPLOYING.
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(1/16)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem 
stream leak safety net for task GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(1/16) (769e03bd4bb369dd2e53480c7d32ca3a) [DEPLOYING]
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(7/16) (561cfe028aa48b701a878c04014d8086) switched from CREATED to SCHEDULED.
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(1/16)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for 
task GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(1/16) (769e03bd4bb369dd2e53480c7d32ca3a) [DEPLOYING].
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(7/16) (561cfe028aa48b701a878c04014d8086) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(7/16) (attempt #0) to eccfe942-0e85-4dca-a0d8-6fbdd6c7b7a3 @ localhost 
(dataPort=-1)
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(1/16)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at 
network: GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(1/16) (769e03bd4bb369dd2e53480c7d32ca3a) [DEPLOYING].
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(8/16) (3529262914c2c6ccbc514bd007dce416) switched from CREATED to SCHEDULED.
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(1/16)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(1/16) (769e03bd4bb369dd2e53480c7d32ca3a) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-8] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(2/16).
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(8/16) (3529262914c2c6ccbc514bd007dce416) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(8/16) (attempt #0) to eccfe942-0e85-4dca-a0d8-6fbdd6c7b7a3 @ localhost 
(dataPort=-1)
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(9/16) (c4eb857a5f9b3ff7f88db9a275189387) switched from CREATED to SCHEDULED.
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(1/16)] WARN org.apache.flink.metrics.MetricGroup - The operator name 
GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
exceeded the 80 characters length limit and was truncated.
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(2/16)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(2/16) (a41dca152c0b5f1d383c9e1c04250e88) switched from CREATED to DEPLOYING.
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(9/16) (c4eb857a5f9b3ff7f88db9a275189387) switched from SCHEDULED to DEPLOYING.
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(2/16)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem 
stream leak safety net for task GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(2/16) (a41dca152c0b5f1d383c9e1c04250e88) [DEPLOYING]
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(9/16) (attempt #0) to eccfe942-0e85-4dca-a0d8-6fbdd6c7b7a3 @ localhost 
(dataPort=-1)
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(2/16)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for 
task GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(2/16) (a41dca152c0b5f1d383c9e1c04250e88) [DEPLOYING].
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(10/16) (b55282029938b547c76d341ddfd4029f) switched from CREATED to SCHEDULED.
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(2/16)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at 
network: GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(2/16) (a41dca152c0b5f1d383c9e1c04250e88) [DEPLOYING].
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(2/16)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(2/16) (a41dca152c0b5f1d383c9e1c04250e88) switched from DEPLOYING to RUNNING.
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(2/16)] WARN org.apache.flink.metrics.MetricGroup - The operator name 
GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
exceeded the 80 characters length limit and was truncated.
[flink-akka.actor.default-dispatcher-8] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(3/16).
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(10/16) (b55282029938b547c76d341ddfd4029f) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(10/16) (attempt #0) to eccfe942-0e85-4dca-a0d8-6fbdd6c7b7a3 @ localhost 
(dataPort=-1)
[CHAIN MapPartition (MapPartition at 
[3]{ExternalTransform(beam:transforms:xlang:filter_less_than_eq), 
ExternalTransform(beam:transforms:xlang:count)}) -> FlatMap (FlatMap at 
ExtractOutput[0]) -> Map (Key Extractor) -> GroupCombine (GroupCombine at 
GroupCombine: 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) -> 
Map (Key Extractor) (13/16)] INFO org.apache.flink.runtime.taskmanager.Task - 
CHAIN MapPartition (MapPartition at 
[3]{ExternalTransform(beam:transforms:xlang:filter_less_than_eq), 
ExternalTransform(beam:transforms:xlang:count)}) -> FlatMap (FlatMap at 
ExtractOutput[0]) -> Map (Key Extractor) -> GroupCombine (GroupCombine at 
GroupCombine: 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) -> 
Map (Key Extractor) (13/16) (be2ceb240c3ecb025343cbbb90751729) switched from 
RUNNING to FINISHED.
[CHAIN MapPartition (MapPartition at 
[3]{ExternalTransform(beam:transforms:xlang:filter_less_than_eq), 
ExternalTransform(beam:transforms:xlang:count)}) -> FlatMap (FlatMap at 
ExtractOutput[0]) -> Map (Key Extractor) -> GroupCombine (GroupCombine at 
GroupCombine: 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) -> 
Map (Key Extractor) (13/16)] INFO org.apache.flink.runtime.taskmanager.Task - 
Freeing task resources for CHAIN MapPartition (MapPartition at 
[3]{ExternalTransform(beam:transforms:xlang:filter_less_than_eq), 
ExternalTransform(beam:transforms:xlang:count)}) -> FlatMap (FlatMap at 
ExtractOutput[0]) -> Map (Key Extractor) -> GroupCombine (GroupCombine at 
GroupCombine: 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) -> 
Map (Key Extractor) (13/16) (be2ceb240c3ecb025343cbbb90751729).
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(3/16)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(3/16) (5787ba1ca0768c68f9584f594ea09bed) switched from CREATED to DEPLOYING.
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(3/16)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem 
stream leak safety net for task GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(3/16) (5787ba1ca0768c68f9584f594ea09bed) [DEPLOYING]
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(3/16)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for 
task GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(3/16) (5787ba1ca0768c68f9584f594ea09bed) [DEPLOYING].
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(11/16) (ac410a54ad1a9d4791414008c6743a7c) switched from CREATED to SCHEDULED.
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(3/16)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at 
network: GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(3/16) (5787ba1ca0768c68f9584f594ea09bed) [DEPLOYING].
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(11/16) (ac410a54ad1a9d4791414008c6743a7c) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(11/16) (attempt #0) to eccfe942-0e85-4dca-a0d8-6fbdd6c7b7a3 @ localhost 
(dataPort=-1)
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(12/16) (9bfda2065cb87936a885a8ccae05b00b) switched from CREATED to SCHEDULED.
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(3/16)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(3/16) (5787ba1ca0768c68f9584f594ea09bed) switched from DEPLOYING to RUNNING.
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(3/16)] WARN org.apache.flink.metrics.MetricGroup - The operator name 
GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
exceeded the 80 characters length limit and was truncated.
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(12/16) (9bfda2065cb87936a885a8ccae05b00b) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(12/16) (attempt #0) to eccfe942-0e85-4dca-a0d8-6fbdd6c7b7a3 @ localhost 
(dataPort=-1)
[flink-akka.actor.default-dispatcher-8] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(4/16).
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(13/16) (2ec67e2e652cf786e2bd30f934c66a92) switched from CREATED to SCHEDULED.
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(13/16) (2ec67e2e652cf786e2bd30f934c66a92) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(13/16) (attempt #0) to eccfe942-0e85-4dca-a0d8-6fbdd6c7b7a3 @ localhost 
(dataPort=-1)
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(4/16)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(4/16) (faeb8d4b1bffa35c75c4000f1af47eb8) switched from CREATED to DEPLOYING.
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(14/16) (411cb1ea2132e65d6103d2be545e7a27) switched from CREATED to SCHEDULED.
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(4/16)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem 
stream leak safety net for task GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(4/16) (faeb8d4b1bffa35c75c4000f1af47eb8) [DEPLOYING]
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(4/16)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for 
task GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(4/16) (faeb8d4b1bffa35c75c4000f1af47eb8) [DEPLOYING].
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(14/16) (411cb1ea2132e65d6103d2be545e7a27) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(14/16) (attempt #0) to eccfe942-0e85-4dca-a0d8-6fbdd6c7b7a3 @ localhost 
(dataPort=-1)
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(15/16) (44986add11ddf617137890729d40be36) switched from CREATED to SCHEDULED.
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(4/16)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at 
network: GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(4/16) (faeb8d4b1bffa35c75c4000f1af47eb8) [DEPLOYING].
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(15/16) (44986add11ddf617137890729d40be36) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(15/16) (attempt #0) to eccfe942-0e85-4dca-a0d8-6fbdd6c7b7a3 @ localhost 
(dataPort=-1)
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(16/16) (0d583da9dbb94bc204e0d51129edfbfe) switched from CREATED to SCHEDULED.
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(4/16)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(4/16) (faeb8d4b1bffa35c75c4000f1af47eb8) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-8] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(5/16).
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(4/16)] WARN org.apache.flink.metrics.MetricGroup - The operator name 
GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
exceeded the 80 characters length limit and was truncated.
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(16/16) (0d583da9dbb94bc204e0d51129edfbfe) switched from SCHEDULED to DEPLOYING.
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - Deploying GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(16/16) (attempt #0) to eccfe942-0e85-4dca-a0d8-6fbdd6c7b7a3 @ localhost 
(dataPort=-1)
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(1/16) (769e03bd4bb369dd2e53480c7d32ca3a) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(2/16) (a41dca152c0b5f1d383c9e1c04250e88) switched from DEPLOYING to RUNNING.
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(5/16)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(5/16) (8b4d8a9748a62ecc66f287ac45d8e18c) switched from CREATED to DEPLOYING.
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(5/16)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem 
stream leak safety net for task GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(5/16) (8b4d8a9748a62ecc66f287ac45d8e18c) [DEPLOYING]
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(5/16)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for 
task GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(5/16) (8b4d8a9748a62ecc66f287ac45d8e18c) [DEPLOYING].
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(3/16) (5787ba1ca0768c68f9584f594ea09bed) switched from DEPLOYING to RUNNING.
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(5/16)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at 
network: GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(5/16) (8b4d8a9748a62ecc66f287ac45d8e18c) [DEPLOYING].
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(4/16) (faeb8d4b1bffa35c75c4000f1af47eb8) switched from DEPLOYING to RUNNING.
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(5/16)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(5/16) (8b4d8a9748a62ecc66f287ac45d8e18c) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(5/16) (8b4d8a9748a62ecc66f287ac45d8e18c) switched from DEPLOYING to RUNNING.
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(5/16)] WARN org.apache.flink.metrics.MetricGroup - The operator name 
GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
exceeded the 80 characters length limit and was truncated.
[flink-akka.actor.default-dispatcher-8] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(6/16).
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(6/16)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(6/16) (4b3132fda965053f9149b1406f8d03e3) switched from CREATED to DEPLOYING.
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(6/16)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem 
stream leak safety net for task GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(6/16) (4b3132fda965053f9149b1406f8d03e3) [DEPLOYING]
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(6/16)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for 
task GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(6/16) (4b3132fda965053f9149b1406f8d03e3) [DEPLOYING].
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(6/16)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at 
network: GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(6/16) (4b3132fda965053f9149b1406f8d03e3) [DEPLOYING].
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(6/16)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(6/16) (4b3132fda965053f9149b1406f8d03e3) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-5] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(6/16) (4b3132fda965053f9149b1406f8d03e3) switched from DEPLOYING to RUNNING.
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(6/16)] WARN org.apache.flink.metrics.MetricGroup - The operator name 
GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
exceeded the 80 characters length limit and was truncated.
[flink-akka.actor.default-dispatcher-8] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(7/16).
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(7/16)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(7/16) (561cfe028aa48b701a878c04014d8086) switched from CREATED to DEPLOYING.
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(7/16)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem 
stream leak safety net for task GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(7/16) (561cfe028aa48b701a878c04014d8086) [DEPLOYING]
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(7/16)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for 
task GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(7/16) (561cfe028aa48b701a878c04014d8086) [DEPLOYING].
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(7/16)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at 
network: GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(7/16) (561cfe028aa48b701a878c04014d8086) [DEPLOYING].
[flink-akka.actor.default-dispatcher-8] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(8/16).
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(7/16)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(7/16) (561cfe028aa48b701a878c04014d8086) switched from DEPLOYING to RUNNING.
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(7/16)] WARN org.apache.flink.metrics.MetricGroup - The operator name 
GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
exceeded the 80 characters length limit and was truncated.
[flink-akka.actor.default-dispatcher-5] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(7/16) (561cfe028aa48b701a878c04014d8086) switched from DEPLOYING to RUNNING.
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(8/16)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(8/16) (3529262914c2c6ccbc514bd007dce416) switched from CREATED to DEPLOYING.
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(8/16)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem 
stream leak safety net for task GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(8/16) (3529262914c2c6ccbc514bd007dce416) [DEPLOYING]
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(8/16)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for 
task GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(8/16) (3529262914c2c6ccbc514bd007dce416) [DEPLOYING].
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(8/16)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at 
network: GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(8/16) (3529262914c2c6ccbc514bd007dce416) [DEPLOYING].
[flink-akka.actor.default-dispatcher-8] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(9/16).
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(8/16)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(8/16) (3529262914c2c6ccbc514bd007dce416) switched from DEPLOYING to RUNNING.
[CHAIN MapPartition (MapPartition at 
[3]{ExternalTransform(beam:transforms:xlang:filter_less_than_eq), 
ExternalTransform(beam:transforms:xlang:count)}) -> FlatMap (FlatMap at 
ExtractOutput[0]) -> Map (Key Extractor) -> GroupCombine (GroupCombine at 
GroupCombine: 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) -> 
Map (Key Extractor) (12/16)] INFO org.apache.flink.runtime.taskmanager.Task - 
CHAIN MapPartition (MapPartition at 
[3]{ExternalTransform(beam:transforms:xlang:filter_less_than_eq), 
ExternalTransform(beam:transforms:xlang:count)}) -> FlatMap (FlatMap at 
ExtractOutput[0]) -> Map (Key Extractor) -> GroupCombine (GroupCombine at 
GroupCombine: 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) -> 
Map (Key Extractor) (12/16) (232a256ba87948c9ab71d826fe20a61d) switched from 
RUNNING to FINISHED.
[CHAIN MapPartition (MapPartition at 
[3]{ExternalTransform(beam:transforms:xlang:filter_less_than_eq), 
ExternalTransform(beam:transforms:xlang:count)}) -> FlatMap (FlatMap at 
ExtractOutput[0]) -> Map (Key Extractor) -> GroupCombine (GroupCombine at 
GroupCombine: 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) -> 
Map (Key Extractor) (12/16)] INFO org.apache.flink.runtime.taskmanager.Task - 
Freeing task resources for CHAIN MapPartition (MapPartition at 
[3]{ExternalTransform(beam:transforms:xlang:filter_less_than_eq), 
ExternalTransform(beam:transforms:xlang:count)}) -> FlatMap (FlatMap at 
ExtractOutput[0]) -> Map (Key Extractor) -> GroupCombine (GroupCombine at 
GroupCombine: 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) -> 
Map (Key Extractor) (12/16) (232a256ba87948c9ab71d826fe20a61d).
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(9/16)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(9/16) (c4eb857a5f9b3ff7f88db9a275189387) switched from CREATED to DEPLOYING.
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(8/16)] WARN org.apache.flink.metrics.MetricGroup - The operator name 
GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
exceeded the 80 characters length limit and was truncated.
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(9/16)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem 
stream leak safety net for task GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(9/16) (c4eb857a5f9b3ff7f88db9a275189387) [DEPLOYING]
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(9/16)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for 
task GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(9/16) (c4eb857a5f9b3ff7f88db9a275189387) [DEPLOYING].
[flink-akka.actor.default-dispatcher-9] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(8/16) (3529262914c2c6ccbc514bd007dce416) switched from DEPLOYING to RUNNING.
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(9/16)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at 
network: GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(9/16) (c4eb857a5f9b3ff7f88db9a275189387) [DEPLOYING].
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(9/16)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(9/16) (c4eb857a5f9b3ff7f88db9a275189387) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-8] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(10/16).
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(9/16)] WARN org.apache.flink.metrics.MetricGroup - The operator name 
GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
exceeded the 80 characters length limit and was truncated.
[flink-akka.actor.default-dispatcher-5] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(9/16) (c4eb857a5f9b3ff7f88db9a275189387) switched from DEPLOYING to RUNNING.
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(10/16)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(10/16) (b55282029938b547c76d341ddfd4029f) switched from CREATED to DEPLOYING.
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(10/16)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem 
stream leak safety net for task GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(10/16) (b55282029938b547c76d341ddfd4029f) [DEPLOYING]
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(10/16)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for 
task GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(10/16) (b55282029938b547c76d341ddfd4029f) [DEPLOYING].
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(10/16)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at 
network: GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(10/16) (b55282029938b547c76d341ddfd4029f) [DEPLOYING].
[flink-akka.actor.default-dispatcher-8] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(11/16).
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(10/16)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(10/16) (b55282029938b547c76d341ddfd4029f) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-9] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(10/16) (b55282029938b547c76d341ddfd4029f) switched from DEPLOYING to RUNNING.
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(10/16)] WARN org.apache.flink.metrics.MetricGroup - The operator name 
GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
exceeded the 80 characters length limit and was truncated.
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(11/16)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(11/16) (ac410a54ad1a9d4791414008c6743a7c) switched from CREATED to DEPLOYING.
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(11/16)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem 
stream leak safety net for task GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(11/16) (ac410a54ad1a9d4791414008c6743a7c) [DEPLOYING]
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(11/16)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for 
task GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(11/16) (ac410a54ad1a9d4791414008c6743a7c) [DEPLOYING].
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(11/16)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at 
network: GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(11/16) (ac410a54ad1a9d4791414008c6743a7c) [DEPLOYING].
[flink-akka.actor.default-dispatcher-8] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(12/16).
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(11/16)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(11/16) (ac410a54ad1a9d4791414008c6743a7c) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(11/16) (ac410a54ad1a9d4791414008c6743a7c) switched from DEPLOYING to RUNNING.
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(11/16)] WARN org.apache.flink.metrics.MetricGroup - The operator name 
GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
exceeded the 80 characters length limit and was truncated.
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(12/16)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(12/16) (9bfda2065cb87936a885a8ccae05b00b) switched from CREATED to DEPLOYING.
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(12/16)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem 
stream leak safety net for task GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(12/16) (9bfda2065cb87936a885a8ccae05b00b) [DEPLOYING]
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(12/16)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for 
task GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(12/16) (9bfda2065cb87936a885a8ccae05b00b) [DEPLOYING].
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(12/16)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at 
network: GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(12/16) (9bfda2065cb87936a885a8ccae05b00b) [DEPLOYING].
[flink-akka.actor.default-dispatcher-8] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(13/16).
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(12/16)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(12/16) (9bfda2065cb87936a885a8ccae05b00b) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-5] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(12/16) (9bfda2065cb87936a885a8ccae05b00b) switched from DEPLOYING to RUNNING.
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(13/16)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(13/16) (2ec67e2e652cf786e2bd30f934c66a92) switched from CREATED to DEPLOYING.
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(12/16)] WARN org.apache.flink.metrics.MetricGroup - The operator name 
GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
exceeded the 80 characters length limit and was truncated.
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(13/16)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem 
stream leak safety net for task GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(13/16) (2ec67e2e652cf786e2bd30f934c66a92) [DEPLOYING]
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(13/16)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for 
task GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(13/16) (2ec67e2e652cf786e2bd30f934c66a92) [DEPLOYING].
[flink-akka.actor.default-dispatcher-8] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(14/16).
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(13/16)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at 
network: GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(13/16) (2ec67e2e652cf786e2bd30f934c66a92) [DEPLOYING].
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(14/16)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(14/16) (411cb1ea2132e65d6103d2be545e7a27) switched from CREATED to DEPLOYING.
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(14/16)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem 
stream leak safety net for task GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(14/16) (411cb1ea2132e65d6103d2be545e7a27) [DEPLOYING]
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(13/16)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(13/16) (2ec67e2e652cf786e2bd30f934c66a92) switched from DEPLOYING to RUNNING.
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(14/16)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for 
task GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(14/16) (411cb1ea2132e65d6103d2be545e7a27) [DEPLOYING].
[flink-akka.actor.default-dispatcher-5] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(13/16) (2ec67e2e652cf786e2bd30f934c66a92) switched from DEPLOYING to RUNNING.
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(14/16)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at 
network: GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(14/16) (411cb1ea2132e65d6103d2be545e7a27) [DEPLOYING].
[flink-akka.actor.default-dispatcher-8] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(15/16).
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(13/16)] WARN org.apache.flink.metrics.MetricGroup - The operator name 
GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
exceeded the 80 characters length limit and was truncated.
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(14/16)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(14/16) (411cb1ea2132e65d6103d2be545e7a27) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(14/16) (411cb1ea2132e65d6103d2be545e7a27) switched from DEPLOYING to RUNNING.
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(14/16)] WARN org.apache.flink.metrics.MetricGroup - The operator name 
GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
exceeded the 80 characters length limit and was truncated.
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(15/16)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(15/16) (44986add11ddf617137890729d40be36) switched from CREATED to DEPLOYING.
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(15/16)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem 
stream leak safety net for task GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(15/16) (44986add11ddf617137890729d40be36) [DEPLOYING]
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(15/16)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for 
task GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(15/16) (44986add11ddf617137890729d40be36) [DEPLOYING].
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(15/16)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at 
network: GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(15/16) (44986add11ddf617137890729d40be36) [DEPLOYING].
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(15/16)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(15/16) (44986add11ddf617137890729d40be36) switched from DEPLOYING to RUNNING.
[flink-akka.actor.default-dispatcher-5] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(15/16) (44986add11ddf617137890729d40be36) switched from DEPLOYING to RUNNING.
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(15/16)] WARN org.apache.flink.metrics.MetricGroup - The operator name 
GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
exceeded the 80 characters length limit and was truncated.
[flink-akka.actor.default-dispatcher-7] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Received task GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(16/16).
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(16/16)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(16/16) (0d583da9dbb94bc204e0d51129edfbfe) switched from CREATED to DEPLOYING.
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(16/16)] INFO org.apache.flink.runtime.taskmanager.Task - Creating FileSystem 
stream leak safety net for task GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(16/16) (0d583da9dbb94bc204e0d51129edfbfe) [DEPLOYING]
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(16/16)] INFO org.apache.flink.runtime.taskmanager.Task - Loading JAR files for 
task GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(16/16) (0d583da9dbb94bc204e0d51129edfbfe) [DEPLOYING].
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(16/16)] INFO org.apache.flink.runtime.taskmanager.Task - Registering task at 
network: GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(16/16) (0d583da9dbb94bc204e0d51129edfbfe) [DEPLOYING].
[CHAIN MapPartition (MapPartition at 
[3]{ExternalTransform(beam:transforms:xlang:filter_less_than_eq), 
ExternalTransform(beam:transforms:xlang:count)}) -> FlatMap (FlatMap at 
ExtractOutput[0]) -> Map (Key Extractor) -> GroupCombine (GroupCombine at 
GroupCombine: 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) -> 
Map (Key Extractor) (15/16)] INFO org.apache.flink.runtime.taskmanager.Task - 
CHAIN MapPartition (MapPartition at 
[3]{ExternalTransform(beam:transforms:xlang:filter_less_than_eq), 
ExternalTransform(beam:transforms:xlang:count)}) -> FlatMap (FlatMap at 
ExtractOutput[0]) -> Map (Key Extractor) -> GroupCombine (GroupCombine at 
GroupCombine: 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) -> 
Map (Key Extractor) (15/16) (bd2436dc1e96a0082f3d89036de1ec48) switched from 
RUNNING to FINISHED.
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(16/16)] INFO org.apache.flink.runtime.taskmanager.Task - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(16/16) (0d583da9dbb94bc204e0d51129edfbfe) switched from DEPLOYING to RUNNING.
[CHAIN MapPartition (MapPartition at 
[3]{ExternalTransform(beam:transforms:xlang:filter_less_than_eq), 
ExternalTransform(beam:transforms:xlang:count)}) -> FlatMap (FlatMap at 
ExtractOutput[0]) -> Map (Key Extractor) -> GroupCombine (GroupCombine at 
GroupCombine: 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) -> 
Map (Key Extractor) (15/16)] INFO org.apache.flink.runtime.taskmanager.Task - 
Freeing task resources for CHAIN MapPartition (MapPartition at 
[3]{ExternalTransform(beam:transforms:xlang:filter_less_than_eq), 
ExternalTransform(beam:transforms:xlang:count)}) -> FlatMap (FlatMap at 
ExtractOutput[0]) -> Map (Key Extractor) -> GroupCombine (GroupCombine at 
GroupCombine: 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) -> 
Map (Key Extractor) (15/16) (bd2436dc1e96a0082f3d89036de1ec48).
[GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(16/16)] WARN org.apache.flink.metrics.MetricGroup - The operator name 
GroupReduce (GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
exceeded the 80 characters length limit and was truncated.
[flink-akka.actor.default-dispatcher-5] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - GroupReduce 
(GroupReduce at 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) 
(16/16) (0d583da9dbb94bc204e0d51129edfbfe) switched from DEPLOYING to RUNNING.
[CHAIN MapPartition (MapPartition at 
[3]{ExternalTransform(beam:transforms:xlang:filter_less_than_eq), 
ExternalTransform(beam:transforms:xlang:count)}) -> FlatMap (FlatMap at 
ExtractOutput[0]) -> Map (Key Extractor) -> GroupCombine (GroupCombine at 
GroupCombine: 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) -> 
Map (Key Extractor) (12/16)] INFO org.apache.flink.runtime.taskmanager.Task - 
Ensuring all FileSystem streams are closed for task CHAIN MapPartition 
(MapPartition at 
[3]{ExternalTransform(beam:transforms:xlang:filter_less_than_eq), 
ExternalTransform(beam:transforms:xlang:count)}) -> FlatMap (FlatMap at 
ExtractOutput[0]) -> Map (Key Extractor) -> GroupCombine (GroupCombine at 
GroupCombine: 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) -> 
Map (Key Extractor) (12/16) (232a256ba87948c9ab71d826fe20a61d) [FINISHED]
[flink-akka.actor.default-dispatcher-9] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Un-registering task and 
sending final execution state FINISHED to JobManager for task CHAIN 
MapPartition (MapPartition at 
[3]{ExternalTransform(beam:transforms:xlang:filter_less_than_eq), 
ExternalTransform(beam:transforms:xlang:count)}) -> FlatMap (FlatMap at 
ExtractOutput[0]) -> Map (Key Extractor) -> GroupCombine (GroupCombine at 
GroupCombine: 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) -> 
Map (Key Extractor) 232a256ba87948c9ab71d826fe20a61d.
[flink-akka.actor.default-dispatcher-9] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - CHAIN MapPartition 
(MapPartition at 
[3]{ExternalTransform(beam:transforms:xlang:filter_less_than_eq), 
ExternalTransform(beam:transforms:xlang:count)}) -> FlatMap (FlatMap at 
ExtractOutput[0]) -> Map (Key Extractor) -> GroupCombine (GroupCombine at 
GroupCombine: 
ExternalTransform(beam:transforms:xlang:count)/Combine.perKey(Count)/Group) -> 
Map (Key Extractor) (12/16) (232a256ba87948c9ab71d826fe20a61d) switched from 
RUNNING to FINISHED.
FATAL: command execution failed
java.io.IOException: Backing channel 'JNLP4-connect connection from 
192.194.239.35.bc.googleusercontent.com/35.239.194.192:59426' is disconnected.
        at 
hudson.remoting.RemoteInvocationHandler.channelOrFail(RemoteInvocationHandler.java:214)
        at 
hudson.remoting.RemoteInvocationHandler.invoke(RemoteInvocationHandler.java:283)
        at com.sun.proxy.$Proxy145.isAlive(Unknown Source)
        at hudson.Launcher$RemoteLauncher$ProcImpl.isAlive(Launcher.java:1150)
        at hudson.Launcher$RemoteLauncher$ProcImpl.join(Launcher.java:1142)
        at hudson.Launcher$ProcStarter.join(Launcher.java:470)
        at hudson.plugins.gradle.Gradle.perform(Gradle.java:317)
        at hudson.tasks.BuildStepMonitor$1.perform(BuildStepMonitor.java:20)
        at 
hudson.model.AbstractBuild$AbstractBuildExecution.perform(AbstractBuild.java:741)
        at hudson.model.Build$BuildExecution.build(Build.java:206)
        at hudson.model.Build$BuildExecution.doRun(Build.java:163)
        at 
hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:504)
        at hudson.model.Run.execute(Run.java:1815)
        at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)
        at hudson.model.ResourceController.execute(ResourceController.java:97)
        at hudson.model.Executor.run(Executor.java:429)
Caused by: java.nio.channels.ClosedChannelException
        at 
org.jenkinsci.remoting.protocol.impl.ChannelApplicationLayer.onReadClosed(ChannelApplicationLayer.java:209)
        at 
org.jenkinsci.remoting.protocol.ApplicationLayer.onRecvClosed(ApplicationLayer.java:222)
        at 
org.jenkinsci.remoting.protocol.ProtocolStack$Ptr.onRecvClosed(ProtocolStack.java:816)
        at 
org.jenkinsci.remoting.protocol.FilterLayer.onRecvClosed(FilterLayer.java:287)
        at 
org.jenkinsci.remoting.protocol.impl.SSLEngineFilterLayer.onRecvClosed(SSLEngineFilterLayer.java:181)
        at 
org.jenkinsci.remoting.protocol.impl.SSLEngineFilterLayer.switchToNoSecure(SSLEngineFilterLayer.java:283)
        at 
org.jenkinsci.remoting.protocol.impl.SSLEngineFilterLayer.processWrite(SSLEngineFilterLayer.java:503)
        at 
org.jenkinsci.remoting.protocol.impl.SSLEngineFilterLayer.processQueuedWrites(SSLEngineFilterLayer.java:248)
        at 
org.jenkinsci.remoting.protocol.impl.SSLEngineFilterLayer.doSend(SSLEngineFilterLayer.java:200)
        at 
org.jenkinsci.remoting.protocol.impl.SSLEngineFilterLayer.doCloseSend(SSLEngineFilterLayer.java:213)
        at 
org.jenkinsci.remoting.protocol.ProtocolStack$Ptr.doCloseSend(ProtocolStack.java:784)
        at 
org.jenkinsci.remoting.protocol.ApplicationLayer.doCloseWrite(ApplicationLayer.java:173)
        at 
org.jenkinsci.remoting.protocol.impl.ChannelApplicationLayer$ByteBufferCommandTransport.closeWrite(ChannelApplicationLayer.java:314)
        at hudson.remoting.Channel.close(Channel.java:1452)
        at hudson.remoting.Channel.close(Channel.java:1405)
        at hudson.slaves.SlaveComputer.closeChannel(SlaveComputer.java:847)
        at hudson.slaves.SlaveComputer.access$800(SlaveComputer.java:108)
        at hudson.slaves.SlaveComputer$3.run(SlaveComputer.java:756)
        at 
jenkins.util.ContextResettingExecutorService$1.run(ContextResettingExecutorService.java:28)
        at 
jenkins.security.ImpersonatingExecutorService$1.run(ImpersonatingExecutorService.java:59)
        at 
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
Build step 'Invoke Gradle script' changed build result to FAILURE
Build step 'Invoke Gradle script' marked build as failure
ERROR: apache-beam-jenkins-7 is offline; cannot locate JDK 1.8 (latest)

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