See 
<https://builds.apache.org/job/beam_PostCommit_Python_Verify/7860/display/redirect?page=changes>

Changes:

[aaltay] [BEAM-6825] Improve Combine error messages. (#8243)

------------------------------------------
[...truncated 293.51 KB...]
root: INFO: 2019-04-09T16:59:48.152Z: JOB_MESSAGE_DETAILED: Fusing consumer 
write/Write/WriteImpl/WriteBundles/WriteBundles into format
root: INFO: 2019-04-09T16:59:48.182Z: JOB_MESSAGE_DETAILED: Fusing consumer 
format into count
root: INFO: 2019-04-09T16:59:48.210Z: JOB_MESSAGE_DETAILED: Fusing consumer 
write/Write/WriteImpl/FinalizeWrite/_DataflowIterableSideInput(MapToVoidKey2.out.0)/ToIsmRecordForMultimap
 into 
write/Write/WriteImpl/FinalizeWrite/_DataflowIterableSideInput(MapToVoidKey2.out.0)/GroupByKeyHashAndSortByKeyAndWindow/Read
root: INFO: 2019-04-09T16:59:48.246Z: JOB_MESSAGE_DETAILED: Fusing consumer 
write/Write/WriteImpl/FinalizeWrite/_DataflowIterableSideInput(MapToVoidKey2.out.0)/GroupByKeyHashAndSortByKeyAndWindow/Write
 into 
write/Write/WriteImpl/FinalizeWrite/_DataflowIterableSideInput(MapToVoidKey2.out.0)/CreateIsmShardKeyAndSortKey
root: INFO: 2019-04-09T16:59:48.280Z: JOB_MESSAGE_DETAILED: Fusing consumer 
write/Write/WriteImpl/FinalizeWrite/_DataflowIterableSideInput(MapToVoidKey2.out.0)/CreateIsmShardKeyAndSortKey
 into write/Write/WriteImpl/FinalizeWrite/MapToVoidKey2
root: INFO: 2019-04-09T16:59:48.316Z: JOB_MESSAGE_DETAILED: Fusing consumer 
group/Reify into pair_with_one
root: INFO: 2019-04-09T16:59:48.349Z: JOB_MESSAGE_DETAILED: Fusing consumer 
write/Write/WriteImpl/FinalizeWrite/_DataflowIterableSideInput(MapToVoidKey1.out.0)/GroupByKeyHashAndSortByKeyAndWindow/Write
 into 
write/Write/WriteImpl/FinalizeWrite/_DataflowIterableSideInput(MapToVoidKey1.out.0)/CreateIsmShardKeyAndSortKey
root: INFO: 2019-04-09T16:59:48.392Z: JOB_MESSAGE_DETAILED: Fusing consumer 
write/Write/WriteImpl/FinalizeWrite/_DataflowIterableSideInput(MapToVoidKey1.out.0)/CreateIsmShardKeyAndSortKey
 into write/Write/WriteImpl/FinalizeWrite/MapToVoidKey1
root: INFO: 2019-04-09T16:59:48.427Z: JOB_MESSAGE_DETAILED: Fusing consumer 
write/Write/WriteImpl/FinalizeWrite/_DataflowIterableSideInput(MapToVoidKey0.out.0)/ToIsmRecordForMultimap
 into 
write/Write/WriteImpl/FinalizeWrite/_DataflowIterableSideInput(MapToVoidKey0.out.0)/GroupByKeyHashAndSortByKeyAndWindow/Read
root: INFO: 2019-04-09T16:59:48.465Z: JOB_MESSAGE_DETAILED: Fusing consumer 
write/Write/WriteImpl/FinalizeWrite/_DataflowIterableSideInput(MapToVoidKey0.out.0)/GroupByKeyHashAndSortByKeyAndWindow/Write
 into 
write/Write/WriteImpl/FinalizeWrite/_DataflowIterableSideInput(MapToVoidKey0.out.0)/CreateIsmShardKeyAndSortKey
root: INFO: 2019-04-09T16:59:48.491Z: JOB_MESSAGE_DETAILED: Fusing consumer 
write/Write/WriteImpl/FinalizeWrite/_DataflowIterableSideInput(MapToVoidKey0.out.0)/CreateIsmShardKeyAndSortKey
 into write/Write/WriteImpl/FinalizeWrite/MapToVoidKey0
root: INFO: 2019-04-09T16:59:48.531Z: JOB_MESSAGE_DETAILED: Fusing consumer 
write/Write/WriteImpl/DoOnce/FlatMap(<lambda at core.py:2171>) into 
write/Write/WriteImpl/DoOnce/Impulse
root: INFO: 2019-04-09T16:59:48.560Z: JOB_MESSAGE_DETAILED: Fusing consumer 
read/Read/Split into read/Read/Impulse
root: INFO: 2019-04-09T16:59:48.590Z: JOB_MESSAGE_DETAILED: Fusing consumer 
count into group/GroupByWindow
root: INFO: 2019-04-09T16:59:48.626Z: JOB_MESSAGE_DETAILED: Fusing consumer 
write/Write/WriteImpl/PreFinalize/_DataflowIterableSideInput(MapToVoidKey1.out.0)/GroupByKeyHashAndSortByKeyAndWindow/Write
 into 
write/Write/WriteImpl/PreFinalize/_DataflowIterableSideInput(MapToVoidKey1.out.0)/CreateIsmShardKeyAndSortKey
root: INFO: 2019-04-09T16:59:48.661Z: JOB_MESSAGE_DETAILED: Fusing consumer 
write/Write/WriteImpl/PreFinalize/_DataflowIterableSideInput(MapToVoidKey1.out.0)/CreateIsmShardKeyAndSortKey
 into write/Write/WriteImpl/PreFinalize/MapToVoidKey1
root: INFO: 2019-04-09T16:59:48.702Z: JOB_MESSAGE_DETAILED: Fusing consumer 
read/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow into 
read/Read/Reshuffle/ReshufflePerKey/GroupByKey/Read
root: INFO: 2019-04-09T16:59:48.738Z: JOB_MESSAGE_DETAILED: Fusing consumer 
write/Write/WriteImpl/Extract into 
write/Write/WriteImpl/GroupByKey/GroupByWindow
root: INFO: 2019-04-09T16:59:48.776Z: JOB_MESSAGE_DETAILED: Fusing consumer 
write/Write/WriteImpl/GroupByKey/GroupByWindow into 
write/Write/WriteImpl/GroupByKey/Read
root: INFO: 2019-04-09T16:59:48.812Z: JOB_MESSAGE_DETAILED: Fusing consumer 
write/Write/WriteImpl/GroupByKey/Write into 
write/Write/WriteImpl/GroupByKey/Reify
root: INFO: 2019-04-09T16:59:48.849Z: JOB_MESSAGE_DETAILED: Fusing consumer 
write/Write/WriteImpl/GroupByKey/Reify into 
write/Write/WriteImpl/WindowInto(WindowIntoFn)
root: INFO: 2019-04-09T16:59:48.871Z: JOB_MESSAGE_DETAILED: Fusing consumer 
group/GroupByWindow into group/Read
root: INFO: 2019-04-09T16:59:48.907Z: JOB_MESSAGE_DETAILED: Fusing consumer 
write/Write/WriteImpl/WriteBundles/_DataflowIterableSideInput(MapToVoidKey0.out.0)/GroupByKeyHashAndSortByKeyAndWindow/Write
 into 
write/Write/WriteImpl/WriteBundles/_DataflowIterableSideInput(MapToVoidKey0.out.0)/CreateIsmShardKeyAndSortKey
root: INFO: 2019-04-09T16:59:48.949Z: JOB_MESSAGE_DETAILED: Fusing consumer 
group/Write into group/Reify
root: INFO: 2019-04-09T16:59:48.986Z: JOB_MESSAGE_DETAILED: Fusing consumer 
write/Write/WriteImpl/WriteBundles/_DataflowIterableSideInput(MapToVoidKey0.out.0)/CreateIsmShardKeyAndSortKey
 into write/Write/WriteImpl/WriteBundles/MapToVoidKey0
root: INFO: 2019-04-09T16:59:49.029Z: JOB_MESSAGE_DETAILED: Fusing consumer 
write/Write/WriteImpl/PreFinalize/_DataflowIterableSideInput(MapToVoidKey0.out.0)/ToIsmRecordForMultimap
 into 
write/Write/WriteImpl/PreFinalize/_DataflowIterableSideInput(MapToVoidKey0.out.0)/GroupByKeyHashAndSortByKeyAndWindow/Read
root: INFO: 2019-04-09T16:59:49.068Z: JOB_MESSAGE_DETAILED: Fusing consumer 
pair_with_one into split
root: INFO: 2019-04-09T16:59:49.102Z: JOB_MESSAGE_DETAILED: Fusing consumer 
split into read/Read/ReadSplits
root: INFO: 2019-04-09T16:59:49.139Z: JOB_MESSAGE_DETAILED: Fusing consumer 
write/Write/WriteImpl/FinalizeWrite/_DataflowIterableSideInput(MapToVoidKey1.out.0)/ToIsmRecordForMultimap
 into 
write/Write/WriteImpl/FinalizeWrite/_DataflowIterableSideInput(MapToVoidKey1.out.0)/GroupByKeyHashAndSortByKeyAndWindow/Read
root: INFO: 2019-04-09T16:59:49.179Z: JOB_MESSAGE_DETAILED: Fusing consumer 
read/Read/ReadSplits into read/Read/Reshuffle/RemoveRandomKeys
root: INFO: 2019-04-09T16:59:49.212Z: JOB_MESSAGE_DETAILED: Fusing consumer 
read/Read/Reshuffle/RemoveRandomKeys into 
read/Read/Reshuffle/ReshufflePerKey/FlatMap(restore_timestamps)
root: INFO: 2019-04-09T16:59:49.249Z: JOB_MESSAGE_DETAILED: Fusing consumer 
write/Write/WriteImpl/PreFinalize/_DataflowIterableSideInput(MapToVoidKey1.out.0)/ToIsmRecordForMultimap
 into 
write/Write/WriteImpl/PreFinalize/_DataflowIterableSideInput(MapToVoidKey1.out.0)/GroupByKeyHashAndSortByKeyAndWindow/Read
root: INFO: 2019-04-09T16:59:49.290Z: JOB_MESSAGE_DETAILED: Fusing consumer 
write/Write/WriteImpl/PreFinalize/_DataflowIterableSideInput(MapToVoidKey0.out.0)/CreateIsmShardKeyAndSortKey
 into write/Write/WriteImpl/PreFinalize/MapToVoidKey0
root: INFO: 2019-04-09T16:59:49.332Z: JOB_MESSAGE_DETAILED: Fusing consumer 
read/Read/Reshuffle/ReshufflePerKey/GroupByKey/Write into 
read/Read/Reshuffle/ReshufflePerKey/GroupByKey/Reify
root: INFO: 2019-04-09T16:59:49.371Z: JOB_MESSAGE_DETAILED: Fusing consumer 
read/Read/Reshuffle/ReshufflePerKey/GroupByKey/Reify into 
read/Read/Reshuffle/ReshufflePerKey/Map(reify_timestamps)
root: INFO: 2019-04-09T16:59:49.409Z: JOB_MESSAGE_DETAILED: Fusing consumer 
write/Write/WriteImpl/PreFinalize/_DataflowIterableSideInput(MapToVoidKey0.out.0)/GroupByKeyHashAndSortByKeyAndWindow/Write
 into 
write/Write/WriteImpl/PreFinalize/_DataflowIterableSideInput(MapToVoidKey0.out.0)/CreateIsmShardKeyAndSortKey
root: INFO: 2019-04-09T16:59:49.446Z: JOB_MESSAGE_DETAILED: Fusing consumer 
write/Write/WriteImpl/DoOnce/Map(decode) into 
write/Write/WriteImpl/DoOnce/FlatMap(<lambda at core.py:2171>)
root: INFO: 2019-04-09T16:59:49.486Z: JOB_MESSAGE_DETAILED: Fusing consumer 
read/Read/Reshuffle/ReshufflePerKey/FlatMap(restore_timestamps) into 
read/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow
root: INFO: 2019-04-09T16:59:49.535Z: JOB_MESSAGE_DEBUG: Workflow config is 
missing a default resource spec.
root: INFO: 2019-04-09T16:59:49.569Z: JOB_MESSAGE_DEBUG: Adding StepResource 
setup and teardown to workflow graph.
root: INFO: 2019-04-09T16:59:49.603Z: JOB_MESSAGE_DEBUG: Adding workflow start 
and stop steps.
root: INFO: 2019-04-09T16:59:49.650Z: JOB_MESSAGE_DEBUG: Assigning stage ids.
root: INFO: 2019-04-09T16:59:49.813Z: JOB_MESSAGE_DEBUG: Executing wait step 
start120
root: INFO: 2019-04-09T16:59:49.896Z: JOB_MESSAGE_BASIC: Executing operation 
write/Write/WriteImpl/WriteBundles/_DataflowIterableSideInput(MapToVoidKey0.out.0)/GroupByKeyHashAndSortByKeyAndWindow/Create
root: INFO: 2019-04-09T16:59:49.927Z: JOB_MESSAGE_BASIC: Executing operation 
write/Write/WriteImpl/PreFinalize/_DataflowIterableSideInput(MapToVoidKey0.out.0)/GroupByKeyHashAndSortByKeyAndWindow/Create
root: INFO: 2019-04-09T16:59:49.946Z: JOB_MESSAGE_DEBUG: Starting worker pool 
setup.
root: INFO: 2019-04-09T16:59:49.949Z: JOB_MESSAGE_BASIC: Executing operation 
write/Write/WriteImpl/PreFinalize/_DataflowIterableSideInput(MapToVoidKey1.out.0)/GroupByKeyHashAndSortByKeyAndWindow/Create
root: INFO: 2019-04-09T16:59:49.978Z: JOB_MESSAGE_BASIC: Starting 1 workers in 
us-central1-b...
root: INFO: 2019-04-09T16:59:49.978Z: JOB_MESSAGE_BASIC: Executing operation 
write/Write/WriteImpl/FinalizeWrite/_DataflowIterableSideInput(MapToVoidKey0.out.0)/GroupByKeyHashAndSortByKeyAndWindow/Create
root: INFO: 2019-04-09T16:59:49.999Z: JOB_MESSAGE_BASIC: Executing operation 
write/Write/WriteImpl/FinalizeWrite/_DataflowIterableSideInput(MapToVoidKey1.out.0)/GroupByKeyHashAndSortByKeyAndWindow/Create
root: INFO: 2019-04-09T16:59:50.021Z: JOB_MESSAGE_BASIC: Executing operation 
write/Write/WriteImpl/FinalizeWrite/_DataflowIterableSideInput(MapToVoidKey2.out.0)/GroupByKeyHashAndSortByKeyAndWindow/Create
root: INFO: 2019-04-09T16:59:50.039Z: JOB_MESSAGE_BASIC: Executing operation 
group/Create
root: INFO: 2019-04-09T16:59:50.066Z: JOB_MESSAGE_BASIC: Executing operation 
write/Write/WriteImpl/GroupByKey/Create
root: INFO: 2019-04-09T16:59:50.087Z: JOB_MESSAGE_BASIC: Executing operation 
read/Read/Reshuffle/ReshufflePerKey/GroupByKey/Create
root: INFO: 2019-04-09T16:59:50.115Z: JOB_MESSAGE_DEBUG: Value 
"write/Write/WriteImpl/WriteBundles/_DataflowIterableSideInput(MapToVoidKey0.out.0)/GroupByKeyHashAndSortByKeyAndWindow/Session"
 materialized.
root: INFO: 2019-04-09T16:59:50.147Z: JOB_MESSAGE_DEBUG: Value 
"write/Write/WriteImpl/PreFinalize/_DataflowIterableSideInput(MapToVoidKey0.out.0)/GroupByKeyHashAndSortByKeyAndWindow/Session"
 materialized.
root: INFO: 2019-04-09T16:59:50.180Z: JOB_MESSAGE_DEBUG: Value 
"write/Write/WriteImpl/FinalizeWrite/_DataflowIterableSideInput(MapToVoidKey0.out.0)/GroupByKeyHashAndSortByKeyAndWindow/Session"
 materialized.
root: INFO: 2019-04-09T16:59:50.212Z: JOB_MESSAGE_DEBUG: Value 
"write/Write/WriteImpl/PreFinalize/_DataflowIterableSideInput(MapToVoidKey1.out.0)/GroupByKeyHashAndSortByKeyAndWindow/Session"
 materialized.
root: INFO: 2019-04-09T16:59:50.241Z: JOB_MESSAGE_DEBUG: Value 
"write/Write/WriteImpl/FinalizeWrite/_DataflowIterableSideInput(MapToVoidKey1.out.0)/GroupByKeyHashAndSortByKeyAndWindow/Session"
 materialized.
root: INFO: 2019-04-09T16:59:50.263Z: JOB_MESSAGE_DEBUG: Value "group/Session" 
materialized.
root: INFO: 2019-04-09T16:59:50.298Z: JOB_MESSAGE_DEBUG: Value 
"write/Write/WriteImpl/FinalizeWrite/_DataflowIterableSideInput(MapToVoidKey2.out.0)/GroupByKeyHashAndSortByKeyAndWindow/Session"
 materialized.
root: INFO: 2019-04-09T16:59:50.325Z: JOB_MESSAGE_DEBUG: Value 
"write/Write/WriteImpl/GroupByKey/Session" materialized.
root: INFO: 2019-04-09T16:59:50.350Z: JOB_MESSAGE_DEBUG: Value 
"read/Read/Reshuffle/ReshufflePerKey/GroupByKey/Session" materialized.
root: INFO: 2019-04-09T16:59:50.379Z: JOB_MESSAGE_BASIC: Executing operation 
write/Write/WriteImpl/DoOnce/Impulse+write/Write/WriteImpl/DoOnce/FlatMap(<lambda
 at 
core.py:2171>)+write/Write/WriteImpl/DoOnce/Map(decode)+write/Write/WriteImpl/InitializeWrite+write/Write/WriteImpl/WriteBundles/MapToVoidKey0+write/Write/WriteImpl/PreFinalize/MapToVoidKey0+write/Write/WriteImpl/FinalizeWrite/MapToVoidKey0+write/Write/WriteImpl/WriteBundles/MapToVoidKey0+write/Write/WriteImpl/PreFinalize/MapToVoidKey0+write/Write/WriteImpl/FinalizeWrite/MapToVoidKey0+write/Write/WriteImpl/FinalizeWrite/_DataflowIterableSideInput(MapToVoidKey0.out.0)/CreateIsmShardKeyAndSortKey+write/Write/WriteImpl/FinalizeWrite/_DataflowIterableSideInput(MapToVoidKey0.out.0)/GroupByKeyHashAndSortByKeyAndWindow/Write+write/Write/WriteImpl/WriteBundles/_DataflowIterableSideInput(MapToVoidKey0.out.0)/CreateIsmShardKeyAndSortKey+write/Write/WriteImpl/WriteBundles/_DataflowIterableSideInput(MapToVoidKey0.out.0)/GroupByKeyHashAndSortByKeyAndWindow/Write+write/Write/WriteImpl/PreFinalize/_DataflowIterableSideInput(MapToVoidKey0.out.0)/CreateIsmShardKeyAndSortKey+write/Write/WriteImpl/PreFinalize/_DataflowIterableSideInput(MapToVoidKey0.out.0)/GroupByKeyHashAndSortByKeyAndWindow/Write
root: INFO: 2019-04-09T16:59:50.439Z: JOB_MESSAGE_BASIC: Executing operation 
read/Read/Impulse+read/Read/Split+read/Read/Reshuffle/AddRandomKeys+read/Read/Reshuffle/ReshufflePerKey/Map(reify_timestamps)+read/Read/Reshuffle/ReshufflePerKey/GroupByKey/Reify+read/Read/Reshuffle/ReshufflePerKey/GroupByKey/Write
root: INFO: 2019-04-09T17:00:01.573Z: JOB_MESSAGE_DETAILED: Autoscaling: Raised 
the number of workers to 0 based on the rate of progress in the currently 
running step(s).
root: INFO: 2019-04-09T17:00:30.005Z: JOB_MESSAGE_DETAILED: Workers have 
started successfully.
root: INFO: 2019-04-09T17:00:50.343Z: JOB_MESSAGE_DETAILED: Autoscaling: Raised 
the number of workers to 1 based on the rate of progress in the currently 
running step(s).
root: INFO: 2019-04-09T17:00:50.385Z: JOB_MESSAGE_DETAILED: Autoscaling: Would 
further reduce the number of workers but reached the minimum number allowed for 
the job.
root: INFO: 2019-04-09T17:01:01.068Z: JOB_MESSAGE_DETAILED: Workers have 
started successfully.
root: INFO: 2019-04-09T17:03:19.735Z: JOB_MESSAGE_DEBUG: Value 
"write/Write/WriteImpl/DoOnce/Map(decode).out" materialized.
root: INFO: 2019-04-09T17:03:19.796Z: JOB_MESSAGE_BASIC: Executing operation 
write/Write/WriteImpl/WriteBundles/_DataflowIterableSideInput(MapToVoidKey0.out.0)/GroupByKeyHashAndSortByKeyAndWindow/Close
root: INFO: 2019-04-09T17:03:19.857Z: JOB_MESSAGE_BASIC: Executing operation 
write/Write/WriteImpl/FinalizeWrite/_DataflowIterableSideInput(MapToVoidKey0.out.0)/GroupByKeyHashAndSortByKeyAndWindow/Close
root: INFO: 2019-04-09T17:03:19.923Z: JOB_MESSAGE_BASIC: Executing operation 
write/Write/WriteImpl/PreFinalize/_DataflowIterableSideInput(MapToVoidKey0.out.0)/GroupByKeyHashAndSortByKeyAndWindow/Close
root: INFO: 2019-04-09T17:03:19.982Z: JOB_MESSAGE_BASIC: Executing operation 
write/Write/WriteImpl/WriteBundles/_DataflowIterableSideInput(MapToVoidKey0.out.0)/GroupByKeyHashAndSortByKeyAndWindow/Read+write/Write/WriteImpl/WriteBundles/_DataflowIterableSideInput(MapToVoidKey0.out.0)/ToIsmRecordForMultimap
root: INFO: 2019-04-09T17:03:20.048Z: JOB_MESSAGE_BASIC: Executing operation 
write/Write/WriteImpl/FinalizeWrite/_DataflowIterableSideInput(MapToVoidKey0.out.0)/GroupByKeyHashAndSortByKeyAndWindow/Read+write/Write/WriteImpl/FinalizeWrite/_DataflowIterableSideInput(MapToVoidKey0.out.0)/ToIsmRecordForMultimap
root: INFO: 2019-04-09T17:03:20.107Z: JOB_MESSAGE_BASIC: Executing operation 
write/Write/WriteImpl/PreFinalize/_DataflowIterableSideInput(MapToVoidKey0.out.0)/GroupByKeyHashAndSortByKeyAndWindow/Read+write/Write/WriteImpl/PreFinalize/_DataflowIterableSideInput(MapToVoidKey0.out.0)/ToIsmRecordForMultimap
root: INFO: 2019-04-09T17:03:21.653Z: JOB_MESSAGE_BASIC: Executing operation 
read/Read/Reshuffle/ReshufflePerKey/GroupByKey/Close
root: INFO: 2019-04-09T17:03:21.781Z: JOB_MESSAGE_BASIC: Executing operation 
read/Read/Reshuffle/ReshufflePerKey/GroupByKey/Read+read/Read/Reshuffle/ReshufflePerKey/GroupByKey/GroupByWindow+read/Read/Reshuffle/ReshufflePerKey/FlatMap(restore_timestamps)+read/Read/Reshuffle/RemoveRandomKeys+read/Read/ReadSplits+split+pair_with_one+group/Reify+group/Write
root: INFO: 2019-04-09T17:03:38.129Z: JOB_MESSAGE_DEBUG: Value 
"write/Write/WriteImpl/FinalizeWrite/_DataflowIterableSideInput(MapToVoidKey0.out.0)/ToIsmRecordForMultimap.out0"
 materialized.
root: INFO: 2019-04-09T17:03:38.270Z: JOB_MESSAGE_BASIC: Executing operation 
write/Write/WriteImpl/FinalizeWrite/_DataflowIterableSideInput(MapToVoidKey0.out.0)/Materialize
root: INFO: 2019-04-09T17:03:38.415Z: JOB_MESSAGE_DEBUG: Value 
"write/Write/WriteImpl/FinalizeWrite/_DataflowIterableSideInput(MapToVoidKey0.out.0)/Materialize.out0"
 materialized.
root: INFO: 2019-04-09T17:03:48.036Z: JOB_MESSAGE_DEBUG: Value 
"write/Write/WriteImpl/PreFinalize/_DataflowIterableSideInput(MapToVoidKey0.out.0)/ToIsmRecordForMultimap.out0"
 materialized.
root: INFO: 2019-04-09T17:03:48.128Z: JOB_MESSAGE_BASIC: Executing operation 
write/Write/WriteImpl/PreFinalize/_DataflowIterableSideInput(MapToVoidKey0.out.0)/Materialize
root: INFO: 2019-04-09T17:03:48.290Z: JOB_MESSAGE_DEBUG: Value 
"write/Write/WriteImpl/PreFinalize/_DataflowIterableSideInput(MapToVoidKey0.out.0)/Materialize.out0"
 materialized.
root: INFO: 2019-04-09T17:03:50.300Z: JOB_MESSAGE_DEBUG: Value 
"write/Write/WriteImpl/WriteBundles/_DataflowIterableSideInput(MapToVoidKey0.out.0)/ToIsmRecordForMultimap.out0"
 materialized.
root: INFO: 2019-04-09T17:03:50.396Z: JOB_MESSAGE_BASIC: Executing operation 
write/Write/WriteImpl/WriteBundles/_DataflowIterableSideInput(MapToVoidKey0.out.0)/Materialize
root: INFO: 2019-04-09T17:03:50.501Z: JOB_MESSAGE_DEBUG: Value 
"write/Write/WriteImpl/WriteBundles/_DataflowIterableSideInput(MapToVoidKey0.out.0)/Materialize.out0"
 materialized.
root: INFO: 2019-04-09T17:03:53.261Z: JOB_MESSAGE_BASIC: Executing operation 
group/Close
root: INFO: 2019-04-09T17:03:53.374Z: JOB_MESSAGE_BASIC: Executing operation 
group/Read+group/GroupByWindow+count+format+write/Write/WriteImpl/WriteBundles/WriteBundles+write/Write/WriteImpl/Pair+write/Write/WriteImpl/WindowInto(WindowIntoFn)+write/Write/WriteImpl/GroupByKey/Reify+write/Write/WriteImpl/GroupByKey/Write
root: INFO: 2019-04-09T17:03:54.599Z: JOB_MESSAGE_ERROR: 
java.lang.IllegalArgumentException: This handler is only capable of dealing 
with urn:beam:sideinput:materialization:multimap:0.1 materializations but was 
asked to handle beam:side_input:multimap:v1 for PCollectionView with tag 
side0-write/Write/WriteImpl/WriteBundles.
        at 
org.apache.beam.vendor.guava.v20_0.com.google.common.base.Preconditions.checkArgument(Preconditions.java:399)
        at 
org.apache.beam.runners.dataflow.worker.graph.RegisterNodeFunction.transformSideInputForRunner(RegisterNodeFunction.java:506)
        at 
org.apache.beam.runners.dataflow.worker.graph.RegisterNodeFunction.apply(RegisterNodeFunction.java:327)
        at 
org.apache.beam.runners.dataflow.worker.graph.RegisterNodeFunction.apply(RegisterNodeFunction.java:97)
        at java.util.function.Function.lambda$andThen$1(Function.java:88)
        at 
org.apache.beam.runners.dataflow.worker.graph.CreateRegisterFnOperationFunction.apply(CreateRegisterFnOperationFunction.java:208)
        at 
org.apache.beam.runners.dataflow.worker.graph.CreateRegisterFnOperationFunction.apply(CreateRegisterFnOperationFunction.java:75)
        at java.util.function.Function.lambda$andThen$1(Function.java:88)
        at java.util.function.Function.lambda$andThen$1(Function.java:88)
        at 
org.apache.beam.runners.dataflow.worker.BatchDataflowWorker.doWork(BatchDataflowWorker.java:347)
        at 
org.apache.beam.runners.dataflow.worker.BatchDataflowWorker.getAndPerformWork(BatchDataflowWorker.java:306)
        at 
org.apache.beam.runners.dataflow.worker.DataflowRunnerHarness.start(DataflowRunnerHarness.java:195)
        at 
org.apache.beam.runners.dataflow.worker.DataflowRunnerHarness.main(DataflowRunnerHarness.java:123)

root: INFO: 2019-04-09T17:03:55.726Z: JOB_MESSAGE_ERROR: 
java.lang.IllegalArgumentException: This handler is only capable of dealing 
with urn:beam:sideinput:materialization:multimap:0.1 materializations but was 
asked to handle beam:side_input:multimap:v1 for PCollectionView with tag 
side0-write/Write/WriteImpl/WriteBundles.
        at 
org.apache.beam.vendor.guava.v20_0.com.google.common.base.Preconditions.checkArgument(Preconditions.java:399)
        at 
org.apache.beam.runners.dataflow.worker.graph.RegisterNodeFunction.transformSideInputForRunner(RegisterNodeFunction.java:506)
        at 
org.apache.beam.runners.dataflow.worker.graph.RegisterNodeFunction.apply(RegisterNodeFunction.java:327)
        at 
org.apache.beam.runners.dataflow.worker.graph.RegisterNodeFunction.apply(RegisterNodeFunction.java:97)
        at java.util.function.Function.lambda$andThen$1(Function.java:88)
        at 
org.apache.beam.runners.dataflow.worker.graph.CreateRegisterFnOperationFunction.apply(CreateRegisterFnOperationFunction.java:208)
        at 
org.apache.beam.runners.dataflow.worker.graph.CreateRegisterFnOperationFunction.apply(CreateRegisterFnOperationFunction.java:75)
        at java.util.function.Function.lambda$andThen$1(Function.java:88)
        at java.util.function.Function.lambda$andThen$1(Function.java:88)
        at 
org.apache.beam.runners.dataflow.worker.BatchDataflowWorker.doWork(BatchDataflowWorker.java:347)
        at 
org.apache.beam.runners.dataflow.worker.BatchDataflowWorker.getAndPerformWork(BatchDataflowWorker.java:306)
        at 
org.apache.beam.runners.dataflow.worker.DataflowRunnerHarness.start(DataflowRunnerHarness.java:195)
        at 
org.apache.beam.runners.dataflow.worker.DataflowRunnerHarness.main(DataflowRunnerHarness.java:123)

root: INFO: 2019-04-09T17:03:56.847Z: JOB_MESSAGE_ERROR: 
java.lang.IllegalArgumentException: This handler is only capable of dealing 
with urn:beam:sideinput:materialization:multimap:0.1 materializations but was 
asked to handle beam:side_input:multimap:v1 for PCollectionView with tag 
side0-write/Write/WriteImpl/WriteBundles.
        at 
org.apache.beam.vendor.guava.v20_0.com.google.common.base.Preconditions.checkArgument(Preconditions.java:399)
        at 
org.apache.beam.runners.dataflow.worker.graph.RegisterNodeFunction.transformSideInputForRunner(RegisterNodeFunction.java:506)
        at 
org.apache.beam.runners.dataflow.worker.graph.RegisterNodeFunction.apply(RegisterNodeFunction.java:327)
        at 
org.apache.beam.runners.dataflow.worker.graph.RegisterNodeFunction.apply(RegisterNodeFunction.java:97)
        at java.util.function.Function.lambda$andThen$1(Function.java:88)
        at 
org.apache.beam.runners.dataflow.worker.graph.CreateRegisterFnOperationFunction.apply(CreateRegisterFnOperationFunction.java:208)
        at 
org.apache.beam.runners.dataflow.worker.graph.CreateRegisterFnOperationFunction.apply(CreateRegisterFnOperationFunction.java:75)
        at java.util.function.Function.lambda$andThen$1(Function.java:88)
        at java.util.function.Function.lambda$andThen$1(Function.java:88)
        at 
org.apache.beam.runners.dataflow.worker.BatchDataflowWorker.doWork(BatchDataflowWorker.java:347)
        at 
org.apache.beam.runners.dataflow.worker.BatchDataflowWorker.getAndPerformWork(BatchDataflowWorker.java:306)
        at 
org.apache.beam.runners.dataflow.worker.DataflowRunnerHarness.start(DataflowRunnerHarness.java:195)
        at 
org.apache.beam.runners.dataflow.worker.DataflowRunnerHarness.main(DataflowRunnerHarness.java:123)

root: INFO: 2019-04-09T17:03:58.989Z: JOB_MESSAGE_ERROR: 
java.lang.IllegalArgumentException: This handler is only capable of dealing 
with urn:beam:sideinput:materialization:multimap:0.1 materializations but was 
asked to handle beam:side_input:multimap:v1 for PCollectionView with tag 
side0-write/Write/WriteImpl/WriteBundles.
        at 
org.apache.beam.vendor.guava.v20_0.com.google.common.base.Preconditions.checkArgument(Preconditions.java:399)
        at 
org.apache.beam.runners.dataflow.worker.graph.RegisterNodeFunction.transformSideInputForRunner(RegisterNodeFunction.java:506)
        at 
org.apache.beam.runners.dataflow.worker.graph.RegisterNodeFunction.apply(RegisterNodeFunction.java:327)
        at 
org.apache.beam.runners.dataflow.worker.graph.RegisterNodeFunction.apply(RegisterNodeFunction.java:97)
        at java.util.function.Function.lambda$andThen$1(Function.java:88)
        at 
org.apache.beam.runners.dataflow.worker.graph.CreateRegisterFnOperationFunction.apply(CreateRegisterFnOperationFunction.java:208)
        at 
org.apache.beam.runners.dataflow.worker.graph.CreateRegisterFnOperationFunction.apply(CreateRegisterFnOperationFunction.java:75)
        at java.util.function.Function.lambda$andThen$1(Function.java:88)
        at java.util.function.Function.lambda$andThen$1(Function.java:88)
        at 
org.apache.beam.runners.dataflow.worker.BatchDataflowWorker.doWork(BatchDataflowWorker.java:347)
        at 
org.apache.beam.runners.dataflow.worker.BatchDataflowWorker.getAndPerformWork(BatchDataflowWorker.java:306)
        at 
org.apache.beam.runners.dataflow.worker.DataflowRunnerHarness.start(DataflowRunnerHarness.java:195)
        at 
org.apache.beam.runners.dataflow.worker.DataflowRunnerHarness.main(DataflowRunnerHarness.java:123)

root: INFO: 2019-04-09T17:03:59.076Z: JOB_MESSAGE_DEBUG: Executing failure step 
failure119
root: INFO: 2019-04-09T17:03:59.116Z: JOB_MESSAGE_ERROR: Workflow failed. 
Causes: 
S20:group/Read+group/GroupByWindow+count+format+write/Write/WriteImpl/WriteBundles/WriteBundles+write/Write/WriteImpl/Pair+write/Write/WriteImpl/WindowInto(WindowIntoFn)+write/Write/WriteImpl/GroupByKey/Reify+write/Write/WriteImpl/GroupByKey/Write
 failed., A work item was attempted 4 times without success. Each time the 
worker eventually lost contact with the service. The work item was attempted 
on: 
  beamapp-jenkins-040916593-04090959-mw2o-harness-x76d,
  beamapp-jenkins-040916593-04090959-mw2o-harness-x76d,
  beamapp-jenkins-040916593-04090959-mw2o-harness-x76d,
  beamapp-jenkins-040916593-04090959-mw2o-harness-x76d
root: INFO: 2019-04-09T17:03:59.287Z: JOB_MESSAGE_DETAILED: Cleaning up.
root: INFO: 2019-04-09T17:03:59.672Z: JOB_MESSAGE_DEBUG: Starting worker pool 
teardown.
root: INFO: 2019-04-09T17:03:59.715Z: JOB_MESSAGE_BASIC: Stopping worker pool...
root: INFO: 2019-04-09T17:06:53.659Z: JOB_MESSAGE_DETAILED: Autoscaling: 
Reduced the number of workers to 0 based on the rate of progress in the 
currently running step(s).
root: INFO: 2019-04-09T17:06:53.782Z: JOB_MESSAGE_DETAILED: Autoscaling: Would 
further reduce the number of workers but reached the minimum number allowed for 
the job.
root: INFO: 2019-04-09T17:06:53.867Z: JOB_MESSAGE_BASIC: Worker pool stopped.
root: INFO: 2019-04-09T17:06:53.916Z: JOB_MESSAGE_DEBUG: Tearing down pending 
resources...
root: INFO: Job 2019-04-09_09_59_42-2982656453223204234 is in state 
JOB_STATE_FAILED
--------------------- >> end captured logging << ---------------------

----------------------------------------------------------------------
XML: 
<https://builds.apache.org/job/beam_PostCommit_Python_Verify/ws/src/sdks/python/nosetests.xml>
----------------------------------------------------------------------
Ran 34 tests in 4087.392s

FAILED (SKIP=1, errors=1)
Found: 
https://console.cloud.google.com/dataflow/jobsDetail/locations/us-central1/jobs/2019-04-09_09_50_53-5102006202074421278?project=apache-beam-testing.
Found: 
https://console.cloud.google.com/dataflow/jobsDetail/locations/us-central1/jobs/2019-04-09_10_07_29-13600837619385246675?project=apache-beam-testing.
Found: 
https://console.cloud.google.com/dataflow/jobsDetail/locations/us-central1/jobs/2019-04-09_10_18_17-10881016899864526094?project=apache-beam-testing.
Found: 
https://console.cloud.google.com/dataflow/jobsDetail/locations/us-central1/jobs/2019-04-09_10_26_00-7561237719330486314?project=apache-beam-testing.
Found: 
https://console.cloud.google.com/dataflow/jobsDetail/locations/us-central1/jobs/2019-04-09_09_50_51-12472015018843612926?project=apache-beam-testing.
Found: 
https://console.cloud.google.com/dataflow/jobsDetail/locations/us-central1/jobs/2019-04-09_10_13_17-11555355294815165606?project=apache-beam-testing.
Found: 
https://console.cloud.google.com/dataflow/jobsDetail/locations/us-central1/jobs/2019-04-09_09_50_53-6295245799230184346?project=apache-beam-testing.
Found: 
https://console.cloud.google.com/dataflow/jobsDetail/locations/us-central1/jobs/2019-04-09_10_04_42-18321075013120077185?project=apache-beam-testing.
Found: 
https://console.cloud.google.com/dataflow/jobsDetail/locations/us-central1/jobs/2019-04-09_10_13_17-3504613026043868666?project=apache-beam-testing.
Found: 
https://console.cloud.google.com/dataflow/jobsDetail/locations/us-central1/jobs/2019-04-09_10_22_06-5148213386966611406?project=apache-beam-testing.
Found: 
https://console.cloud.google.com/dataflow/jobsDetail/locations/us-central1/jobs/2019-04-09_09_50_52-15816281644453179701?project=apache-beam-testing.
Found: 
https://console.cloud.google.com/dataflow/jobsDetail/locations/us-central1/jobs/2019-04-09_10_12_34-15517602187275169783?project=apache-beam-testing.
Found: 
https://console.cloud.google.com/dataflow/jobsDetail/locations/us-central1/jobs/2019-04-09_10_20_23-1392715766191111125?project=apache-beam-testing.
Found: 
https://console.cloud.google.com/dataflow/jobsDetail/locations/us-central1/jobs/2019-04-09_09_50_51-5253521902811877114?project=apache-beam-testing.
Found: 
https://console.cloud.google.com/dataflow/jobsDetail/locations/us-central1/jobs/2019-04-09_09_59_42-2982656453223204234?project=apache-beam-testing.
Found: 
https://console.cloud.google.com/dataflow/jobsDetail/locations/us-central1/jobs/2019-04-09_10_07_12-12059451071836823594?project=apache-beam-testing.
Found: 
https://console.cloud.google.com/dataflow/jobsDetail/locations/us-central1/jobs/2019-04-09_10_19_07-7145414923261653392?project=apache-beam-testing.
Found: 
https://console.cloud.google.com/dataflow/jobsDetail/locations/us-central1/jobs/2019-04-09_09_50_50-11926481857295550771?project=apache-beam-testing.
Found: 
https://console.cloud.google.com/dataflow/jobsDetail/locations/us-central1/jobs/2019-04-09_09_59_22-8166497907881939772?project=apache-beam-testing.
Found: 
https://console.cloud.google.com/dataflow/jobsDetail/locations/us-central1/jobs/2019-04-09_10_10_33-6431961428841763578?project=apache-beam-testing.
Found: 
https://console.cloud.google.com/dataflow/jobsDetail/locations/us-central1/jobs/2019-04-09_10_19_05-13696607769322513928?project=apache-beam-testing.
Found: 
https://console.cloud.google.com/dataflow/jobsDetail/locations/us-central1/jobs/2019-04-09_09_50_51-8117417965440820643?project=apache-beam-testing.
Found: 
https://console.cloud.google.com/dataflow/jobsDetail/locations/us-central1/jobs/2019-04-09_10_00_19-6295482698557746090?project=apache-beam-testing.
Found: 
https://console.cloud.google.com/dataflow/jobsDetail/locations/us-central1/jobs/2019-04-09_10_11_08-10920650471757986357?project=apache-beam-testing.
Found: 
https://console.cloud.google.com/dataflow/jobsDetail/locations/us-central1/jobs/2019-04-09_10_20_27-12289026172698604498?project=apache-beam-testing.
Found: 
https://console.cloud.google.com/dataflow/jobsDetail/locations/us-central1/jobs/2019-04-09_10_30_26-5463696504095759475?project=apache-beam-testing.
Found: 
https://console.cloud.google.com/dataflow/jobsDetail/locations/us-central1/jobs/2019-04-09_10_39_29-2316223169616853521?project=apache-beam-testing.
Found: 
https://console.cloud.google.com/dataflow/jobsDetail/locations/us-central1/jobs/2019-04-09_10_49_28-11011973459668725087?project=apache-beam-testing.
Found: 
https://console.cloud.google.com/dataflow/jobsDetail/locations/us-central1/jobs/2019-04-09_09_50_52-3257781609544026487?project=apache-beam-testing.
Found: 
https://console.cloud.google.com/dataflow/jobsDetail/locations/us-central1/jobs/2019-04-09_10_00_20-12667916601790087648?project=apache-beam-testing.
Found: 
https://console.cloud.google.com/dataflow/jobsDetail/locations/us-central1/jobs/2019-04-09_10_12_39-18192857602437353570?project=apache-beam-testing.
Found: 
https://console.cloud.google.com/dataflow/jobsDetail/locations/us-central1/jobs/2019-04-09_10_20_06-6216316739873287757?project=apache-beam-testing.

> Task :beam-sdks-python:postCommitIT FAILED

FAILURE: Build completed with 2 failures.

1: Task failed with an exception.
-----------
* Where:
Build file 
'<https://builds.apache.org/job/beam_PostCommit_Python_Verify/ws/src/sdks/python/build.gradle'>
 line: 268

* What went wrong:
Execution failed for task ':beam-sdks-python:hdfsIntegrationTest'.
> 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.
==============================================================================

2: Task failed with an exception.
-----------
* Where:
Build file 
'<https://builds.apache.org/job/beam_PostCommit_Python_Verify/ws/src/sdks/python/build.gradle'>
 line: 229

* What went wrong:
Execution failed for task ':beam-sdks-python:postCommitIT'.
> 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 1h 9m 48s
6 actionable tasks: 6 executed

Publishing build scan...
https://gradle.com/s/rafifkh3wj3zi

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

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