See 
<https://builds.apache.org/job/beam_PostCommit_Java_GradleBuild/338/display/redirect>

------------------------------------------
[...truncated 18.61 MB...]
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:20.960Z: Checking required Cloud APIs are enabled.
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:21.280Z: Checking permissions granted to controller 
Service Account.
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:26.754Z: Worker configuration: n1-standard-1 in 
us-central1-b.
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:27.141Z: Expanding CoGroupByKey operations into 
optimizable parts.
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:27.385Z: Expanding GroupByKey operations into 
optimizable parts.
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:27.435Z: Lifting ValueCombiningMappingFns into 
MergeBucketsMappingFns
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:27.706Z: Fusing adjacent ParDo, Read, Write, and 
Flatten operations
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:27.741Z: Elided trivial flatten 
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:27.780Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Wait.OnSignal/Wait/Map into SpannerIO.Write/Write 
mutations to Cloud Spanner/Create seed/Read(CreateSource)
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:27.825Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Read information schema into SpannerIO.Write/Write 
mutations to Cloud Spanner/Wait.OnSignal/Wait/Map
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:27.866Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/BatchViewOverrides.GroupByWindowHashAsKeyAndWindowAsSortKey/BatchViewOverrides.GroupByKeyAndSortValuesOnly/Write
 into SpannerIO.Write/Write mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/BatchViewOverrides.GroupByWindowHashAsKeyAndWindowAsSortKey/ParDo(UseWindowHashAsKeyAndWindowAsSortKey)
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:27.906Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/ParDo(IsmRecordForSingularValuePerWindow) 
into SpannerIO.Write/Write mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/BatchViewOverrides.GroupByWindowHashAsKeyAndWindowAsSortKey/BatchViewOverrides.GroupByKeyAndSortValuesOnly/Read
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:27.950Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/Combine.globally(Singleton)/WithKeys/AddKeys/Map
 into SpannerIO.Write/Write mutations to Cloud Spanner/Read information schema
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:27.977Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/Combine.globally(Singleton)/Combine.perKey(Singleton)/Combine.GroupedValues
 into SpannerIO.Write/Write mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/Combine.globally(Singleton)/Combine.perKey(Singleton)/GroupByKey/Read
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:28.005Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/Combine.globally(Singleton)/Values/Values/Map
 into SpannerIO.Write/Write mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/Combine.globally(Singleton)/Combine.perKey(Singleton)/Combine.GroupedValues/Extract
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:28.048Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/BatchViewOverrides.GroupByWindowHashAsKeyAndWindowAsSortKey/ParDo(UseWindowHashAsKeyAndWindowAsSortKey)
 into SpannerIO.Write/Write mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/Combine.globally(Singleton)/Values/Values/Map
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:28.086Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/Combine.globally(Singleton)/Combine.perKey(Singleton)/Combine.GroupedValues/Extract
 into SpannerIO.Write/Write mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/Combine.globally(Singleton)/Combine.perKey(Singleton)/Combine.GroupedValues
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:28.122Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/Combine.globally(Singleton)/Combine.perKey(Singleton)/GroupByKey+SpannerIO.Write/Write
 mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/Combine.globally(Singleton)/Combine.perKey(Singleton)/Combine.GroupedValues/Partial
 into SpannerIO.Write/Write mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/Combine.globally(Singleton)/WithKeys/AddKeys/Map
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:28.166Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/Combine.globally(Singleton)/Combine.perKey(Singleton)/GroupByKey/Reify
 into SpannerIO.Write/Write mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/Combine.globally(Singleton)/Combine.perKey(Singleton)/GroupByKey+SpannerIO.Write/Write
 mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/Combine.globally(Singleton)/Combine.perKey(Singleton)/Combine.GroupedValues/Partial
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:28.202Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/Combine.globally(Singleton)/Combine.perKey(Singleton)/GroupByKey/Write
 into SpannerIO.Write/Write mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/Combine.globally(Singleton)/Combine.perKey(Singleton)/GroupByKey/Reify
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:28.232Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Wait.OnSignal/To wait view 0/ParDo(CollectWindows) 
into SpannerIO.Write/To mutation group
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:28.279Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Extract keys into SpannerIO.Write/Write mutations to 
Cloud Spanner/Serialize mutations
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:28.311Z: Fusing consumer ParDo(GenerateMutations) 
into GenerateSequence/Read(BoundedCountingSource)
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:28.354Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Sample keys/Combine.GroupedValues into 
SpannerIO.Write/Write mutations to Cloud Spanner/Sample keys/GroupByKey/Read
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:28.382Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Batch mutations together into SpannerIO.Write/Write 
mutations to Cloud Spanner/Group by partition/GroupByWindow
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:28.423Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Keys sample as 
view/ParMultiDo(ToIsmRecordForMapLike) into SpannerIO.Write/Write mutations to 
Cloud Spanner/Keys sample as 
view/GBKaSVForData/BatchViewOverrides.GroupByKeyAndSortValuesOnly/Read
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:28.460Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Keys sample as 
view/GBKaSVForData/BatchViewOverrides.GroupByKeyAndSortValuesOnly/Write into 
SpannerIO.Write/Write mutations to Cloud Spanner/Keys sample as 
view/GBKaSVForData/ParDo(GroupByKeyHashAndSortByKeyAndWindow)
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:28.498Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Keys sample as 
view/GBKaSVForData/ParDo(GroupByKeyHashAndSortByKeyAndWindow) into 
SpannerIO.Write/Write mutations to Cloud Spanner/Sample 
keys/Combine.GroupedValues/Extract
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:28.538Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Sample keys/GroupByKey/Write into 
SpannerIO.Write/Write mutations to Cloud Spanner/Sample keys/GroupByKey/Reify
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:28.588Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Sample keys/Combine.GroupedValues/Extract into 
SpannerIO.Write/Write mutations to Cloud Spanner/Sample 
keys/Combine.GroupedValues
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:28.622Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Sample keys/GroupByKey/Reify into 
SpannerIO.Write/Write mutations to Cloud Spanner/Sample 
keys/GroupByKey+SpannerIO.Write/Write mutations to Cloud Spanner/Sample 
keys/Combine.GroupedValues/Partial
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:28.666Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Sample keys/GroupByKey+SpannerIO.Write/Write 
mutations to Cloud Spanner/Sample keys/Combine.GroupedValues/Partial into 
SpannerIO.Write/Write mutations to Cloud Spanner/Extract keys
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:28.713Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Wait.OnSignal/To wait view 
0/Sample.Any/Combine.globally(SampleAny)/Combine.perKey(SampleAny)/GroupByKey/Write
 into SpannerIO.Write/Write mutations to Cloud Spanner/Wait.OnSignal/To wait 
view 
0/Sample.Any/Combine.globally(SampleAny)/Combine.perKey(SampleAny)/GroupByKey/Reify
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:28.756Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Keys sample as view/GBKaSVForSize/Write into 
SpannerIO.Write/Write mutations to Cloud Spanner/Keys sample as 
view/ParMultiDo(ToIsmRecordForMapLike)
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:28.804Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Wait.OnSignal/To wait view 
0/View.AsList/ParDo(ToIsmRecordForGlobalWindow) into SpannerIO.Write/Write 
mutations to Cloud Spanner/Wait.OnSignal/To wait view 
0/Sample.Any/Flatten.Iterables/FlattenIterables/FlatMap
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:28.849Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Keys sample as view/GBKaSVForKeys/Write into 
SpannerIO.Write/Write mutations to Cloud Spanner/Keys sample as 
view/ParMultiDo(ToIsmRecordForMapLike)
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:28.899Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Wait.OnSignal/To wait view 
0/Sample.Any/Flatten.Iterables/FlattenIterables/FlatMap into 
SpannerIO.Write/Write mutations to Cloud Spanner/Wait.OnSignal/To wait view 
0/Sample.Any/Combine.globally(SampleAny)/Values/Values/Map
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:28.981Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Wait.OnSignal/To wait view 
0/Sample.Any/Combine.globally(SampleAny)/Values/Values/Map into 
SpannerIO.Write/Write mutations to Cloud Spanner/Wait.OnSignal/To wait view 
0/Sample.Any/Combine.globally(SampleAny)/Combine.perKey(SampleAny)/Combine.GroupedValues/Extract
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:29.027Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Keys sample as view/ParDo(ToIsmMetadataRecordForKey) 
into SpannerIO.Write/Write mutations to Cloud Spanner/Keys sample as 
view/GBKaSVForKeys/Read
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:29.073Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Wait.OnSignal/To wait view 
0/Sample.Any/Combine.globally(SampleAny)/Combine.perKey(SampleAny)/Combine.GroupedValues/Extract
 into SpannerIO.Write/Write mutations to Cloud Spanner/Wait.OnSignal/To wait 
view 
0/Sample.Any/Combine.globally(SampleAny)/Combine.perKey(SampleAny)/Combine.GroupedValues
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:29.126Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Wait.OnSignal/To wait view 
0/Sample.Any/Combine.globally(SampleAny)/WithKeys/AddKeys/Map into 
SpannerIO.Write/Write mutations to Cloud Spanner/Wait.OnSignal/To wait view 
0/ParDo(CollectWindows)
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:29.176Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Wait.OnSignal/To wait view 
0/Sample.Any/Combine.globally(SampleAny)/Combine.perKey(SampleAny)/Combine.GroupedValues
 into SpannerIO.Write/Write mutations to Cloud Spanner/Wait.OnSignal/To wait 
view 
0/Sample.Any/Combine.globally(SampleAny)/Combine.perKey(SampleAny)/GroupByKey/Read
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:29.213Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Write mutations to Spanner into 
SpannerIO.Write/Write mutations to Cloud Spanner/Batch mutations together
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:29.266Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Wait.OnSignal/To wait view 
0/Sample.Any/Combine.globally(SampleAny)/Combine.perKey(SampleAny)/GroupByKey/Reify
 into SpannerIO.Write/Write mutations to Cloud Spanner/Wait.OnSignal/To wait 
view 
0/Sample.Any/Combine.globally(SampleAny)/Combine.perKey(SampleAny)/GroupByKey+SpannerIO.Write/Write
 mutations to Cloud Spanner/Wait.OnSignal/To wait view 
0/Sample.Any/Combine.globally(SampleAny)/Combine.perKey(SampleAny)/Combine.GroupedValues/Partial
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:29.306Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Wait.OnSignal/To wait view 
0/Sample.Any/Combine.globally(SampleAny)/Combine.perKey(SampleAny)/GroupByKey+SpannerIO.Write/Write
 mutations to Cloud Spanner/Wait.OnSignal/To wait view 
0/Sample.Any/Combine.globally(SampleAny)/Combine.perKey(SampleAny)/Combine.GroupedValues/Partial
 into SpannerIO.Write/Write mutations to Cloud Spanner/Wait.OnSignal/To wait 
view 0/Sample.Any/Combine.globally(SampleAny)/WithKeys/AddKeys/Map
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:29.362Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Group by partition/Reify into SpannerIO.Write/Write 
mutations to Cloud Spanner/Partition input
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:29.394Z: Fusing consumer SpannerIO.Write/To mutation 
group into ParDo(GenerateMutations)
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:29.442Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Group by partition/GroupByWindow into 
SpannerIO.Write/Write mutations to Cloud Spanner/Group by partition/Read
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:29.489Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Group by partition/Write into SpannerIO.Write/Write 
mutations to Cloud Spanner/Group by partition/Reify
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:29.532Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Keys sample as 
view/ParDo(ToIsmMetadataRecordForSize) into SpannerIO.Write/Write mutations to 
Cloud Spanner/Keys sample as view/GBKaSVForSize/Read
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:30.070Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/Combine.globally(Singleton)/Combine.perKey(Singleton)/GroupByKey/Create
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:30.119Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/BatchViewOverrides.GroupByWindowHashAsKeyAndWindowAsSortKey/BatchViewOverrides.GroupByKeyAndSortValuesOnly/Create
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:30.168Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Sample keys/GroupByKey/Create
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:30.179Z: Starting 1 workers in us-central1-b...
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:30.205Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Keys sample as 
view/GBKaSVForData/BatchViewOverrides.GroupByKeyAndSortValuesOnly/Create
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:30.243Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Keys sample as view/GBKaSVForSize/Create
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:30.285Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Keys sample as view/GBKaSVForKeys/Create
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:30.345Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Group by partition/Create
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:30.415Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Wait.OnSignal/To wait view 
0/Sample.Any/Combine.globally(SampleAny)/Combine.perKey(SampleAny)/GroupByKey/Create
    May 10, 2018 4:06:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:30.831Z: Executing operation 
GenerateSequence/Read(BoundedCountingSource)+ParDo(GenerateMutations)+SpannerIO.Write/To
 mutation group+SpannerIO.Write/Write mutations to Cloud 
Spanner/Wait.OnSignal/To wait view 
0/ParDo(CollectWindows)+SpannerIO.Write/Write mutations to Cloud 
Spanner/Wait.OnSignal/To wait view 
0/Sample.Any/Combine.globally(SampleAny)/WithKeys/AddKeys/Map+SpannerIO.Write/Write
 mutations to Cloud Spanner/Wait.OnSignal/To wait view 
0/Sample.Any/Combine.globally(SampleAny)/Combine.perKey(SampleAny)/GroupByKey+SpannerIO.Write/Write
 mutations to Cloud Spanner/Wait.OnSignal/To wait view 
0/Sample.Any/Combine.globally(SampleAny)/Combine.perKey(SampleAny)/Combine.GroupedValues/Partial+SpannerIO.Write/Write
 mutations to Cloud Spanner/Wait.OnSignal/To wait view 
0/Sample.Any/Combine.globally(SampleAny)/Combine.perKey(SampleAny)/GroupByKey/Reify+SpannerIO.Write/Write
 mutations to Cloud Spanner/Wait.OnSignal/To wait view 
0/Sample.Any/Combine.globally(SampleAny)/Combine.perKey(SampleAny)/GroupByKey/Write
    May 10, 2018 4:06:39 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:38.152Z: Autoscaling: Raised the number of workers 
to 0 based on the rate of progress in the currently running step(s).
    May 10, 2018 4:06:49 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:48.879Z: Autoscaling: Raised the number of workers 
to 1 based on the rate of progress in the currently running step(s).
    May 10, 2018 4:06:49 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:06:48.920Z: Autoscaling: Would further reduce the 
number of workers but reached the minimum number allowed for the job.
    May 10, 2018 4:07:26 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:07:25.661Z: Workers have started successfully.
    May 10, 2018 4:08:01 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:08:00.427Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Wait.OnSignal/To wait view 
0/Sample.Any/Combine.globally(SampleAny)/Combine.perKey(SampleAny)/GroupByKey/Close
    May 10, 2018 4:08:01 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:08:00.501Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Wait.OnSignal/To wait view 
0/Sample.Any/Combine.globally(SampleAny)/Combine.perKey(SampleAny)/GroupByKey/Read+SpannerIO.Write/Write
 mutations to Cloud Spanner/Wait.OnSignal/To wait view 
0/Sample.Any/Combine.globally(SampleAny)/Combine.perKey(SampleAny)/Combine.GroupedValues+SpannerIO.Write/Write
 mutations to Cloud Spanner/Wait.OnSignal/To wait view 
0/Sample.Any/Combine.globally(SampleAny)/Combine.perKey(SampleAny)/Combine.GroupedValues/Extract+SpannerIO.Write/Write
 mutations to Cloud Spanner/Wait.OnSignal/To wait view 
0/Sample.Any/Combine.globally(SampleAny)/Values/Values/Map+SpannerIO.Write/Write
 mutations to Cloud Spanner/Wait.OnSignal/To wait view 
0/Sample.Any/Flatten.Iterables/FlattenIterables/FlatMap+SpannerIO.Write/Write 
mutations to Cloud Spanner/Wait.OnSignal/To wait view 
0/View.AsList/ParDo(ToIsmRecordForGlobalWindow)
    May 10, 2018 4:08:14 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:08:11.531Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Wait.OnSignal/To wait view 
0/View.AsList/CreateDataflowView
    May 10, 2018 4:08:14 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:08:11.707Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Create seed/Read(CreateSource)+SpannerIO.Write/Write 
mutations to Cloud Spanner/Wait.OnSignal/Wait/Map+SpannerIO.Write/Write 
mutations to Cloud Spanner/Read information schema+SpannerIO.Write/Write 
mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/Combine.globally(Singleton)/WithKeys/AddKeys/Map+SpannerIO.Write/Write
 mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/Combine.globally(Singleton)/Combine.perKey(Singleton)/GroupByKey+SpannerIO.Write/Write
 mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/Combine.globally(Singleton)/Combine.perKey(Singleton)/Combine.GroupedValues/Partial+SpannerIO.Write/Write
 mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/Combine.globally(Singleton)/Combine.perKey(Singleton)/GroupByKey/Reify+SpannerIO.Write/Write
 mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/Combine.globally(Singleton)/Combine.perKey(Singleton)/GroupByKey/Write
    May 10, 2018 4:08:21 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:08:21.359Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/Combine.globally(Singleton)/Combine.perKey(Singleton)/GroupByKey/Close
    May 10, 2018 4:08:24 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:08:21.427Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/Combine.globally(Singleton)/Combine.perKey(Singleton)/GroupByKey/Read+SpannerIO.Write/Write
 mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/Combine.globally(Singleton)/Combine.perKey(Singleton)/Combine.GroupedValues+SpannerIO.Write/Write
 mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/Combine.globally(Singleton)/Combine.perKey(Singleton)/Combine.GroupedValues/Extract+SpannerIO.Write/Write
 mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/Combine.globally(Singleton)/Values/Values/Map+SpannerIO.Write/Write
 mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/BatchViewOverrides.GroupByWindowHashAsKeyAndWindowAsSortKey/ParDo(UseWindowHashAsKeyAndWindowAsSortKey)+SpannerIO.Write/Write
 mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/BatchViewOverrides.GroupByWindowHashAsKeyAndWindowAsSortKey/BatchViewOverrides.GroupByKeyAndSortValuesOnly/Write
    May 10, 2018 4:08:26 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:08:25.221Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/BatchViewOverrides.GroupByWindowHashAsKeyAndWindowAsSortKey/BatchViewOverrides.GroupByKeyAndSortValuesOnly/Close
    May 10, 2018 4:08:26 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:08:25.280Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/BatchViewOverrides.GroupByWindowHashAsKeyAndWindowAsSortKey/BatchViewOverrides.GroupByKeyAndSortValuesOnly/Read+SpannerIO.Write/Write
 mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/ParDo(IsmRecordForSingularValuePerWindow)
    May 10, 2018 4:08:32 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:08:32.320Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/CreateDataflowView
    May 10, 2018 4:08:32 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:08:32.461Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Serialize mutations+SpannerIO.Write/Write mutations 
to Cloud Spanner/Extract keys+SpannerIO.Write/Write mutations to Cloud 
Spanner/Sample keys/GroupByKey+SpannerIO.Write/Write mutations to Cloud 
Spanner/Sample keys/Combine.GroupedValues/Partial+SpannerIO.Write/Write 
mutations to Cloud Spanner/Sample keys/GroupByKey/Reify+SpannerIO.Write/Write 
mutations to Cloud Spanner/Sample keys/GroupByKey/Write
    May 10, 2018 4:08:45 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:08:45.251Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Sample keys/GroupByKey/Close
    May 10, 2018 4:08:45 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:08:45.302Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Sample keys/GroupByKey/Read+SpannerIO.Write/Write 
mutations to Cloud Spanner/Sample 
keys/Combine.GroupedValues+SpannerIO.Write/Write mutations to Cloud 
Spanner/Sample keys/Combine.GroupedValues/Extract+SpannerIO.Write/Write 
mutations to Cloud Spanner/Keys sample as 
view/GBKaSVForData/ParDo(GroupByKeyHashAndSortByKeyAndWindow)+SpannerIO.Write/Write
 mutations to Cloud Spanner/Keys sample as 
view/GBKaSVForData/BatchViewOverrides.GroupByKeyAndSortValuesOnly/Write
    May 10, 2018 4:08:48 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:08:48.257Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Keys sample as 
view/GBKaSVForData/BatchViewOverrides.GroupByKeyAndSortValuesOnly/Close
    May 10, 2018 4:08:48 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:08:48.310Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Keys sample as 
view/GBKaSVForData/BatchViewOverrides.GroupByKeyAndSortValuesOnly/Read+SpannerIO.Write/Write
 mutations to Cloud Spanner/Keys sample as 
view/ParMultiDo(ToIsmRecordForMapLike)+SpannerIO.Write/Write mutations to Cloud 
Spanner/Keys sample as view/GBKaSVForSize/Write+SpannerIO.Write/Write mutations 
to Cloud Spanner/Keys sample as view/GBKaSVForKeys/Write
    May 10, 2018 4:08:57 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:08:55.816Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Keys sample as view/GBKaSVForSize/Close
    May 10, 2018 4:08:57 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:08:55.850Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Keys sample as view/GBKaSVForKeys/Close
    May 10, 2018 4:08:57 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:08:55.898Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Keys sample as 
view/GBKaSVForSize/Read+SpannerIO.Write/Write mutations to Cloud Spanner/Keys 
sample as view/ParDo(ToIsmMetadataRecordForSize)
    May 10, 2018 4:08:57 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:08:55.930Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Keys sample as 
view/GBKaSVForKeys/Read+SpannerIO.Write/Write mutations to Cloud Spanner/Keys 
sample as view/ParDo(ToIsmMetadataRecordForKey)
    May 10, 2018 4:09:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:09:06.154Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Keys sample as view/Flatten.PCollections
    May 10, 2018 4:09:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:09:06.336Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Keys sample as view/CreateDataflowView
    May 10, 2018 4:09:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:09:06.478Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Partition input+SpannerIO.Write/Write mutations to 
Cloud Spanner/Group by partition/Reify+SpannerIO.Write/Write mutations to Cloud 
Spanner/Group by partition/Write
    May 10, 2018 4:09:11 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:09:10.894Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Group by partition/Close
    May 10, 2018 4:09:11 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:09:11.010Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Group by partition/Read+SpannerIO.Write/Write 
mutations to Cloud Spanner/Group by 
partition/GroupByWindow+SpannerIO.Write/Write mutations to Cloud Spanner/Batch 
mutations together+SpannerIO.Write/Write mutations to Cloud Spanner/Write 
mutations to Spanner
    May 10, 2018 4:09:16 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:09:15.627Z: Cleaning up.
    May 10, 2018 4:09:16 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:09:15.935Z: Stopping worker pool...
    May 10, 2018 4:10:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:10:33.868Z: Autoscaling: Resized worker pool from 1 to 
0.
    May 10, 2018 4:10:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-10T04:10:33.895Z: Autoscaling: Would further reduce the 
number of workers but reached the minimum number allowed for the job.
    May 10, 2018 4:10:42 AM 
org.apache.beam.runners.dataflow.DataflowPipelineJob waitUntilFinish
    INFO: Job 2018-05-09_21_06_18-11320785283633881948 finished with status 
DONE.
    May 10, 2018 4:10:42 AM org.apache.beam.runners.dataflow.TestDataflowRunner 
checkForPAssertSuccess
    INFO: Success result for Dataflow job 
2018-05-09_21_06_18-11320785283633881948. Found 0 success, 0 failures out of 0 
expected assertions.
    May 10, 2018 4:10:42 AM 
org.apache.beam.runners.dataflow.DataflowPipelineJob waitUntilFinish
    INFO: Job 2018-05-09_21_06_18-11320785283633881948 finished with status 
DONE.

Gradle Test Executor 120 finished executing tests.

> Task 
> :beam-runners-google-cloud-dataflow-java:googleCloudPlatformIntegrationTest
Finished generating test XML results (0.012 secs) into: 
<https://builds.apache.org/job/beam_PostCommit_Java_GradleBuild/ws/src/runners/google-cloud-dataflow-java/build/test-results/googleCloudPlatformIntegrationTest>
Generating HTML test report...
Finished generating test html results (0.016 secs) into: 
<https://builds.apache.org/job/beam_PostCommit_Java_GradleBuild/ws/src/runners/google-cloud-dataflow-java/build/reports/tests/googleCloudPlatformIntegrationTest>
Packing task 
':beam-runners-google-cloud-dataflow-java:googleCloudPlatformIntegrationTest'
:beam-runners-google-cloud-dataflow-java:googleCloudPlatformIntegrationTest 
(Thread[Task worker for ':' Thread 12,5,main]) completed. Took 31 mins 13.735 
secs.
:beam-runners-google-cloud-dataflow-java:postCommit (Thread[Task worker for ':' 
Thread 12,5,main]) started.

> Task :beam-runners-google-cloud-dataflow-java:postCommit
Skipping task ':beam-runners-google-cloud-dataflow-java:postCommit' as it has 
no actions.
:beam-runners-google-cloud-dataflow-java:postCommit (Thread[Task worker for ':' 
Thread 12,5,main]) completed. Took 0.0 secs.

FAILURE: Build completed with 2 failures.

1: Task failed with an exception.
-----------
* What went wrong:
Execution failed for task 
':beam-sdks-java-io-google-cloud-platform:checkstyleTest'.
> Checkstyle rule violations were found. See the report at: 
> file://<https://builds.apache.org/job/beam_PostCommit_Java_GradleBuild/ws/src/sdks/java/io/google-cloud-platform/build/reports/checkstyle/test.html>
  Checkstyle files with violations: 1
  Checkstyle violations by severity: [error: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.
==============================================================================

2: Task failed with an exception.
-----------
* What went wrong:
Execution failed for task ':beam-examples-java:test'.
> There were failing tests. See the report at: 
> file://<https://builds.apache.org/job/beam_PostCommit_Java_GradleBuild/ws/src/examples/java/build/reports/tests/test/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.
==============================================================================

* Get more help at https://help.gradle.org

Deprecated Gradle features were used in this build, making it incompatible with 
Gradle 5.0.
See 
https://docs.gradle.org/4.7/userguide/command_line_interface.html#sec:command_line_warnings

BUILD FAILED in 45m 20s
536 actionable tasks: 531 executed, 5 from cache

Publishing build scan...
https://gradle.com/s/3weklbtjrm3y4

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