See 
<https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_PortabilityApi_Dataflow_Gradle/13/display/redirect?page=changes>

Changes:

[robertwb] [BEAM-4594] Support state continuation tokens over the Fn API.

------------------------------------------
[...truncated 8.07 MB...]
    Dec 17, 2018 11:41:54 AM 
org.apache.beam.runners.dataflow.DataflowPipelineTranslator$Translator addStep
    INFO: Adding PAssert$13/RunChecks as step s35
    Dec 17, 2018 11:41:54 AM 
org.apache.beam.runners.dataflow.DataflowPipelineTranslator$Translator addStep
    INFO: Adding PAssert$13/VerifyAssertions/ParDo(DefaultConclude) as step s36
    Dec 17, 2018 11:41:54 AM org.apache.beam.runners.dataflow.DataflowRunner run
    INFO: Staging pipeline description to 
gs://temp-storage-for-end-to-end-tests/flattentest0testflattenpcollectionsemptythenpardo-jenkins-1217114146-94e803ec/output/results/staging/
    Dec 17, 2018 11:41:55 AM org.apache.beam.runners.dataflow.util.PackageUtil 
tryStagePackage
    INFO: Uploading <77886 bytes, hash ANajbVmdsA1ipmYhfOqwIw> to 
gs://temp-storage-for-end-to-end-tests/flattentest0testflattenpcollectionsemptythenpardo-jenkins-1217114146-94e803ec/output/results/staging/pipeline-ANajbVmdsA1ipmYhfOqwIw.pb

org.apache.beam.sdk.transforms.FlattenTest > 
testFlattenPCollectionsEmptyThenParDo STANDARD_OUT
    Dataflow SDK version: 2.10.0-SNAPSHOT

org.apache.beam.sdk.transforms.FlattenTest > 
testFlattenPCollectionsEmptyThenParDo STANDARD_ERROR
    Dec 17, 2018 11:41:56 AM org.apache.beam.runners.dataflow.DataflowRunner run
    INFO: To access the Dataflow monitoring console, please navigate to 
https://console.cloud.google.com/dataflow/jobsDetail/locations/us-central1/jobs/2018-12-17_03_41_55-17546666855132132476?project=apache-beam-testing

org.apache.beam.sdk.transforms.FlattenTest > 
testFlattenPCollectionsEmptyThenParDo STANDARD_OUT
    Submitted job: 2018-12-17_03_41_55-17546666855132132476

org.apache.beam.sdk.transforms.FlattenTest > 
testFlattenPCollectionsEmptyThenParDo STANDARD_ERROR
    Dec 17, 2018 11:41:56 AM org.apache.beam.runners.dataflow.DataflowRunner run
    INFO: To cancel the job using the 'gcloud' tool, run:
    > gcloud dataflow jobs --project=apache-beam-testing cancel 
--region=us-central1 2018-12-17_03_41_55-17546666855132132476
    Dec 17, 2018 11:41:56 AM 
org.apache.beam.runners.dataflow.TestDataflowRunner run
    INFO: Running Dataflow job 2018-12-17_03_41_55-17546666855132132476 with 0 
expected assertions.
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:41:55.503Z: Autoscaling is enabled for job 
2018-12-17_03_41_55-17546666855132132476. The number of workers will be between 
1 and 1000.
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:41:55.545Z: Autoscaling was automatically enabled for 
job 2018-12-17_03_41_55-17546666855132132476.
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    WARNING: 2018-12-17T11:41:58.344Z: The workflow name is not a valid Cloud 
Label. Labels applied to Cloud resources (such as GCE Instances) for monitoring 
will be labeled with this modified job name: 
flattentest0testflattenpcollectionsemptythenpardo-jenkins--zrqf. For the best 
monitoring experience, please name your job with a valid Cloud Label. For 
details, see: 
https://cloud.google.com/compute/docs/labeling-resources#restrictions
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:41:58.681Z: Checking permissions granted to controller 
Service Account.
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:02.653Z: Worker configuration: n1-standard-1 in 
us-central1-b.
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:03.229Z: Expanding CollectionToSingleton operations 
into optimizable parts.
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:03.576Z: Expanding CoGroupByKey operations into 
optimizable parts.
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:03.997Z: Expanding GroupByKey operations into 
optimizable parts.
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:04.123Z: Fusing adjacent ParDo, Read, Write, and 
Flatten operations
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:04.180Z: Elided trivial flatten 
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:04.224Z: Elided trivial flatten 
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:04.272Z: Elided trivial flatten 
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:04.319Z: Unzipping flatten s29 for input 
s17.org.apache.beam.sdk.values.PCollection.<init>:402#a4f9f304fed667ee
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:04.372Z: Fusing unzipped copy of 
PAssert$13/GroupGlobally/GroupDummyAndContents/Reify, through flatten 
PAssert$13/GroupGlobally/FlattenDummyAndContents, into producer 
PAssert$13/GroupGlobally/KeyForDummy/AddKeys/Map
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:04.478Z: Fusing consumer 
PAssert$13/VerifyAssertions/ParDo(DefaultConclude) into PAssert$13/RunChecks
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:04.526Z: Unzipping flatten s29-u40 for input 
s31-reify-value18-c38
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:04.568Z: Fusing unzipped copy of 
PAssert$13/GroupGlobally/GroupDummyAndContents/Write, through flatten s29-u40, 
into producer PAssert$13/GroupGlobally/GroupDummyAndContents/Reify
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:04.612Z: Fusing consumer 
PAssert$13/GroupGlobally/GroupDummyAndContents/GroupByWindow into 
PAssert$13/GroupGlobally/GroupDummyAndContents/Read
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:04.660Z: Fusing consumer 
PAssert$13/GroupGlobally/Values/Values/Map into 
PAssert$13/GroupGlobally/GroupDummyAndContents/GroupByWindow
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:04.708Z: Fusing consumer PAssert$13/GetPane/Map into 
PAssert$13/GroupGlobally/ParDo(Concat)
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:04.750Z: Fusing consumer PAssert$13/RunChecks into 
PAssert$13/GetPane/Map
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:04.795Z: Fusing consumer 
PAssert$13/GroupGlobally/ParDo(Concat) into 
PAssert$13/GroupGlobally/Values/Values/Map
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:04.847Z: Fusing consumer 
PAssert$13/GroupGlobally/GroupDummyAndContents/Reify into 
PAssert$13/GroupGlobally/WindowIntoDummy/Window.Assign
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:04.899Z: Fusing consumer 
PAssert$13/GroupGlobally/GroupDummyAndContents/Write into 
PAssert$13/GroupGlobally/GroupDummyAndContents/Reify
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:04.950Z: Fusing consumer 
Flatten.PCollections/Create.Values/Read(CreateSource)/Reshuffle.ViaRandomKey/Reshuffle/Window.Into()/Window.Assign
 into 
Flatten.PCollections/Create.Values/Read(CreateSource)/Reshuffle.ViaRandomKey/Pair
 with random key
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:04.986Z: Fusing consumer 
Flatten.PCollections/Create.Values/Read(CreateSource)/Reshuffle.ViaRandomKey/Reshuffle/ExpandIterable
 into 
Flatten.PCollections/Create.Values/Read(CreateSource)/Reshuffle.ViaRandomKey/Reshuffle/GroupByKey/GroupByWindow
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:05.028Z: Fusing consumer 
PAssert$13/GroupGlobally/GatherAllOutputs/GroupByKey/Reify into 
PAssert$13/GroupGlobally/GatherAllOutputs/Window.Into()/Window.Assign
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:05.069Z: Fusing consumer 
PAssert$13/GroupGlobally/WindowIntoDummy/Window.Assign into 
PAssert$13/GroupGlobally/Create.Values/Read(CreateSource)/ParDo(ReadFromBoundedSource)
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:05.113Z: Fusing consumer 
Flatten.PCollections/Create.Values/Read(CreateSource)/Reshuffle.ViaRandomKey/Reshuffle/GroupByKey/Reify
 into 
Flatten.PCollections/Create.Values/Read(CreateSource)/Reshuffle.ViaRandomKey/Reshuffle/Window.Into()/Window.Assign
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:05.160Z: Fusing consumer 
PAssert$13/GroupGlobally/GatherAllOutputs/GroupByKey/GroupByWindow into 
PAssert$13/GroupGlobally/GatherAllOutputs/GroupByKey/Read
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:05.206Z: Fusing consumer 
PAssert$13/GroupGlobally/GatherAllOutputs/GroupByKey/Write into 
PAssert$13/GroupGlobally/GatherAllOutputs/GroupByKey/Reify
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:05.260Z: Fusing consumer 
PAssert$13/GroupGlobally/Create.Values/Read(CreateSource)/ParDo(ReadFromBoundedSource)
 into 
PAssert$13/GroupGlobally/Create.Values/Read(CreateSource)/Reshuffle.ViaRandomKey/Values/Values/Map
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:05.305Z: Fusing consumer 
PAssert$13/GroupGlobally/Create.Values/Read(CreateSource)/Reshuffle.ViaRandomKey/Values/Values/Map
 into 
PAssert$13/GroupGlobally/Create.Values/Read(CreateSource)/Reshuffle.ViaRandomKey/Reshuffle/ExpandIterable
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:05.340Z: Fusing consumer 
PAssert$13/GroupGlobally/Create.Values/Read(CreateSource)/Reshuffle.ViaRandomKey/Reshuffle/ExpandIterable
 into 
PAssert$13/GroupGlobally/Create.Values/Read(CreateSource)/Reshuffle.ViaRandomKey/Reshuffle/GroupByKey/GroupByWindow
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:05.388Z: Fusing consumer 
PAssert$13/GroupGlobally/Create.Values/Read(CreateSource)/Reshuffle.ViaRandomKey/Reshuffle/GroupByKey/GroupByWindow
 into 
PAssert$13/GroupGlobally/Create.Values/Read(CreateSource)/Reshuffle.ViaRandomKey/Reshuffle/GroupByKey/Read
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:05.446Z: Fusing consumer 
PAssert$13/GroupGlobally/Create.Values/Read(CreateSource)/Reshuffle.ViaRandomKey/Reshuffle/GroupByKey/Write
 into 
PAssert$13/GroupGlobally/Create.Values/Read(CreateSource)/Reshuffle.ViaRandomKey/Reshuffle/GroupByKey/Reify
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:05.491Z: Fusing consumer 
PAssert$13/GroupGlobally/Create.Values/Read(CreateSource)/Reshuffle.ViaRandomKey/Reshuffle/GroupByKey/Reify
 into 
PAssert$13/GroupGlobally/Create.Values/Read(CreateSource)/Reshuffle.ViaRandomKey/Reshuffle/Window.Into()/Window.Assign
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:05.530Z: Fusing consumer 
PAssert$13/GroupGlobally/Create.Values/Read(CreateSource)/Reshuffle.ViaRandomKey/Reshuffle/Window.Into()/Window.Assign
 into 
PAssert$13/GroupGlobally/Create.Values/Read(CreateSource)/Reshuffle.ViaRandomKey/Pair
 with random key
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:05.575Z: Fusing consumer 
PAssert$13/GroupGlobally/GatherAllOutputs/Values/Values/Map into 
PAssert$13/GroupGlobally/GatherAllOutputs/GroupByKey/GroupByWindow
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:05.620Z: Fusing consumer 
PAssert$13/GroupGlobally/Window.Into()/Window.Assign into ParDo(Identity)
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:05.666Z: Fusing consumer 
PAssert$13/GroupGlobally/RewindowActuals/Window.Assign into 
PAssert$13/GroupGlobally/GatherAllOutputs/Values/Values/Map
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:05.709Z: Fusing consumer 
Flatten.PCollections/Create.Values/Read(CreateSource)/Reshuffle.ViaRandomKey/Reshuffle/GroupByKey/Write
 into 
Flatten.PCollections/Create.Values/Read(CreateSource)/Reshuffle.ViaRandomKey/Reshuffle/GroupByKey/Reify
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:05.758Z: Fusing consumer 
Flatten.PCollections/Create.Values/Read(CreateSource)/ParDo(ReadFromBoundedSource)
 into 
Flatten.PCollections/Create.Values/Read(CreateSource)/Reshuffle.ViaRandomKey/Values/Values/Map
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:05.806Z: Fusing consumer 
Flatten.PCollections/Create.Values/Read(CreateSource)/Reshuffle.ViaRandomKey/Pair
 with random key into 
Flatten.PCollections/Create.Values/Read(CreateSource)/ParDo(SplitBoundedSource)
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:05.848Z: Fusing consumer 
PAssert$13/GroupGlobally/GatherAllOutputs/Window.Into()/Window.Assign into 
PAssert$13/GroupGlobally/GatherAllOutputs/WithKeys/AddKeys/Map
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:05.894Z: Fusing consumer 
Flatten.PCollections/Create.Values/Read(CreateSource)/Reshuffle.ViaRandomKey/Values/Values/Map
 into 
Flatten.PCollections/Create.Values/Read(CreateSource)/Reshuffle.ViaRandomKey/Reshuffle/ExpandIterable
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:05.946Z: Fusing consumer 
PAssert$13/GroupGlobally/GatherAllOutputs/WithKeys/AddKeys/Map into 
PAssert$13/GroupGlobally/GatherAllOutputs/Reify.Window/ParDo(Anonymous)
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:05.990Z: Fusing consumer 
PAssert$13/GroupGlobally/GatherAllOutputs/Reify.Window/ParDo(Anonymous) into 
PAssert$13/GroupGlobally/Window.Into()/Window.Assign
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:06.036Z: Fusing consumer 
PAssert$13/GroupGlobally/KeyForDummy/AddKeys/Map into 
PAssert$13/GroupGlobally/RewindowActuals/Window.Assign
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:06.082Z: Fusing consumer 
Flatten.PCollections/Create.Values/Read(CreateSource)/Reshuffle.ViaRandomKey/Reshuffle/GroupByKey/GroupByWindow
 into 
Flatten.PCollections/Create.Values/Read(CreateSource)/Reshuffle.ViaRandomKey/Reshuffle/GroupByKey/Read
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:06.123Z: Fusing consumer 
Flatten.PCollections/Create.Values/Read(CreateSource)/ParDo(SplitBoundedSource) 
into Flatten.PCollections/Create.Values/Read(CreateSource)/Impulse
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:06.173Z: Fusing consumer 
PAssert$13/GroupGlobally/Create.Values/Read(CreateSource)/ParDo(SplitBoundedSource)
 into PAssert$13/GroupGlobally/Create.Values/Read(CreateSource)/Impulse
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:06.211Z: Fusing consumer 
PAssert$13/GroupGlobally/Create.Values/Read(CreateSource)/Reshuffle.ViaRandomKey/Pair
 with random key into 
PAssert$13/GroupGlobally/Create.Values/Read(CreateSource)/ParDo(SplitBoundedSource)
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:06.257Z: Fusing consumer ParDo(Identity) into 
Flatten.PCollections/Create.Values/Read(CreateSource)/ParDo(ReadFromBoundedSource)
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:06.921Z: Executing operation 
PAssert$13/GroupGlobally/GatherAllOutputs/GroupByKey/Create
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:06.989Z: Executing operation 
PAssert$13/GroupGlobally/Create.Values/Read(CreateSource)/Reshuffle.ViaRandomKey/Reshuffle/GroupByKey/Create
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:07.035Z: Executing operation 
PAssert$13/GroupGlobally/GroupDummyAndContents/Create
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:07.061Z: Starting 1 workers in us-central1-b...
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:07.080Z: Executing operation 
Flatten.PCollections/Create.Values/Read(CreateSource)/Reshuffle.ViaRandomKey/Reshuffle/GroupByKey/Create
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:07.650Z: Executing operation 
PAssert$13/GroupGlobally/Create.Values/Read(CreateSource)/Impulse+PAssert$13/GroupGlobally/Create.Values/Read(CreateSource)/ParDo(SplitBoundedSource)+PAssert$13/GroupGlobally/Create.Values/Read(CreateSource)/Reshuffle.ViaRandomKey/Pair
 with random 
key+PAssert$13/GroupGlobally/Create.Values/Read(CreateSource)/Reshuffle.ViaRandomKey/Reshuffle/Window.Into()/Window.Assign+PAssert$13/GroupGlobally/Create.Values/Read(CreateSource)/Reshuffle.ViaRandomKey/Reshuffle/GroupByKey/Reify+PAssert$13/GroupGlobally/Create.Values/Read(CreateSource)/Reshuffle.ViaRandomKey/Reshuffle/GroupByKey/Write
    Dec 17, 2018 11:42:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:07.718Z: Executing operation 
Flatten.PCollections/Create.Values/Read(CreateSource)/Impulse+Flatten.PCollections/Create.Values/Read(CreateSource)/ParDo(SplitBoundedSource)+Flatten.PCollections/Create.Values/Read(CreateSource)/Reshuffle.ViaRandomKey/Pair
 with random 
key+Flatten.PCollections/Create.Values/Read(CreateSource)/Reshuffle.ViaRandomKey/Reshuffle/Window.Into()/Window.Assign+Flatten.PCollections/Create.Values/Read(CreateSource)/Reshuffle.ViaRandomKey/Reshuffle/GroupByKey/Reify+Flatten.PCollections/Create.Values/Read(CreateSource)/Reshuffle.ViaRandomKey/Reshuffle/GroupByKey/Write
    Dec 17, 2018 11:42:18 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:17.159Z: Autoscaling: Raised the number of workers 
to 0 based on the rate of progress in the currently running step(s).
    Dec 17, 2018 11:42:51 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:50.994Z: Autoscaling: Raised the number of workers 
to 1 based on the rate of progress in the currently running step(s).
    Dec 17, 2018 11:42:51 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:51.045Z: Autoscaling: Would further reduce the 
number of workers but reached the minimum number allowed for the job.
    Dec 17, 2018 11:42:51 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:51.106Z: Workers have started successfully.
    Dec 17, 2018 11:42:51 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T11:42:51.151Z: Workers have started successfully.
    Dec 17, 2018 12:42:09 PM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    SEVERE: 2018-12-17T12:42:07.885Z: Workflow failed. Causes: The Dataflow job 
appears to be stuck because no worker activity has been seen in the last 1h. 
You can get help with Cloud Dataflow at 
https://cloud.google.com/dataflow/support.
    Dec 17, 2018 12:42:09 PM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T12:42:08.021Z: Cancel request is committed for workflow 
job: 2018-12-17_03_41_55-17546666855132132476.
    Dec 17, 2018 12:42:09 PM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T12:42:08.124Z: Cleaning up.
    Dec 17, 2018 12:42:09 PM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T12:42:08.231Z: Stopping worker pool...
    Dec 17, 2018 12:42:09 PM 
org.apache.beam.runners.dataflow.TestDataflowRunner$ErrorMonitorMessagesHandler 
process
    INFO: Dataflow job 2018-12-17_03_41_55-17546666855132132476 threw 
exception. Failure message was: Workflow failed. Causes: The Dataflow job 
appears to be stuck because no worker activity has been seen in the last 1h. 
You can get help with Cloud Dataflow at 
https://cloud.google.com/dataflow/support.
    Dec 17, 2018 12:43:49 PM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T12:43:48.944Z: Autoscaling: Reduced the number of workers 
to 0 based on the rate of progress in the currently running step(s).
    Dec 17, 2018 12:43:49 PM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-12-17T12:43:49.002Z: Worker pool stopped.
    Dec 17, 2018 12:43:54 PM 
org.apache.beam.runners.dataflow.DataflowPipelineJob waitUntilFinish
    INFO: Job 2018-12-17_03_41_55-17546666855132132476 failed with status 
FAILED.
    Dec 17, 2018 12:43:54 PM 
org.apache.beam.runners.dataflow.TestDataflowRunner checkForPAssertSuccess
    INFO: Success result for Dataflow job 
2018-12-17_03_41_55-17546666855132132476. Found 0 success, 0 failures out of 0 
expected assertions.

Gradle Test Executor 112 finished executing tests.

> Task 
> :beam-runners-google-cloud-dataflow-java:validatesRunnerFnApiWorkerExecutableStageTest
>  FAILED

org.apache.beam.sdk.transforms.FlattenTest > 
testFlattenPCollectionsEmptyThenParDo FAILED
    java.lang.RuntimeException: Workflow failed. Causes: The Dataflow job 
appears to be stuck because no worker activity has been seen in the last 1h. 
You can get help with Cloud Dataflow at 
https://cloud.google.com/dataflow/support.
        at 
org.apache.beam.runners.dataflow.TestDataflowRunner.run(TestDataflowRunner.java:134)
        at 
org.apache.beam.runners.dataflow.TestDataflowRunner.run(TestDataflowRunner.java:90)
        at 
org.apache.beam.runners.dataflow.TestDataflowRunner.run(TestDataflowRunner.java:55)
        at org.apache.beam.sdk.Pipeline.run(Pipeline.java:313)
        at org.apache.beam.sdk.testing.TestPipeline.run(TestPipeline.java:350)
        at org.apache.beam.sdk.testing.TestPipeline.run(TestPipeline.java:331)
        at 
org.apache.beam.sdk.transforms.FlattenTest.testFlattenPCollectionsEmptyThenParDo(FlattenTest.java:224)

72 tests completed, 2 failed, 1 skipped
Finished generating test XML results (0.184 secs) into: 
<https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_PortabilityApi_Dataflow_Gradle/ws/src/runners/google-cloud-dataflow-java/build/test-results/validatesRunnerFnApiWorkerExecutableStageTest>
Generating HTML test report...
Finished generating test html results (0.235 secs) into: 
<https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_PortabilityApi_Dataflow_Gradle/ws/src/runners/google-cloud-dataflow-java/build/reports/tests/validatesRunnerFnApiWorkerExecutableStageTest>
:beam-runners-google-cloud-dataflow-java:validatesRunnerFnApiWorkerExecutableStageTest
 (Thread[Task worker for ':' Thread 115,5,main]) completed. Took 2 hrs 48 mins 
19.554 secs.
:beam-runners-google-cloud-dataflow-java:cleanUpDockerImages (Thread[Task 
worker for ':' Thread 115,5,main]) started.

> Task :beam-runners-google-cloud-dataflow-java:cleanUpDockerImages FAILED
Caching disabled for task 
':beam-runners-google-cloud-dataflow-java:cleanUpDockerImages': Caching has not 
been enabled for the task
Task ':beam-runners-google-cloud-dataflow-java:cleanUpDockerImages' is not 
up-to-date because:
  Task has not declared any outputs despite executing actions.
Starting process 'command 'docker''. Working directory: 
<https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_PortabilityApi_Dataflow_Gradle/ws/src/runners/google-cloud-dataflow-java>
 Command: docker rmi 
us.gcr.io/apache-beam-testing/java-postcommit-it/java:20181217095230
Successfully started process 'command 'docker''
Untagged: us.gcr.io/apache-beam-testing/java-postcommit-it/java:20181217095230
Untagged: 
us.gcr.io/apache-beam-testing/java-postcommit-it/java@sha256:3706c0f9df60ce85c38c5a9cab608375d17b48d9782c9682e9b1910e97e2dc2f
Starting process 'command 'gcloud''. Working directory: 
<https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_PortabilityApi_Dataflow_Gradle/ws/src/runners/google-cloud-dataflow-java>
 Command: gcloud --quiet container images delete --force-delete-tags 
us.gcr.io/apache-beam-testing/java-postcommit-it/java:20181217095230
Successfully started process 'command 'gcloud''
ERROR: (gcloud.container.images.delete) 
[us.gcr.io/apache-beam-testing/java-postcommit-it/java:20181217095230] is not a 
valid name.
:beam-runners-google-cloud-dataflow-java:cleanUpDockerImages (Thread[Task 
worker for ':' Thread 115,5,main]) completed. Took 1.108 secs.

FAILURE: Build completed with 2 failures.

1: Task failed with an exception.
-----------
* What went wrong:
Execution failed for task 
':beam-runners-google-cloud-dataflow-java:validatesRunnerFnApiWorkerExecutableStageTest'.
> There were failing tests. See the report at: 
> file://<https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_PortabilityApi_Dataflow_Gradle/ws/src/runners/google-cloud-dataflow-java/build/reports/tests/validatesRunnerFnApiWorkerExecutableStageTest/index.html>

* Try:
Run with --stacktrace option to get the stack trace. Run with --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_Java_ValidatesRunner_PortabilityApi_Dataflow_Gradle/ws/src/runners/google-cloud-dataflow-java/build.gradle'>
 line: 457

* What went wrong:
Execution failed for task 
':beam-runners-google-cloud-dataflow-java:cleanUpDockerImages'.
> Process 'command 'gcloud'' finished with non-zero exit value 1

* Try:
Run with --stacktrace option to get the stack trace. Run with --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 5.0.
Use '--warning-mode all' to show the individual deprecation warnings.
See 
https://docs.gradle.org/4.10.2/userguide/command_line_interface.html#sec:command_line_warnings

BUILD FAILED in 2h 51m 44s
75 actionable tasks: 69 executed, 5 from cache, 1 up-to-date

Publishing build scan...
https://gradle.com/s/chdwxtfi56ep2

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

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