See 
<https://builds.apache.org/job/beam_PostCommit_Java_GradleBuild/456/display/redirect?page=changes>

Changes:

[timrobertson100] Fix error-prone and some static analysis warnings in

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    INFO: 2018-05-18T06:12:56.691Z: Checking permissions granted to controller 
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org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:00.509Z: Worker configuration: n1-standard-1 in 
us-central1-b.
    May 18, 2018 6:13:05 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:00.849Z: Expanding CoGroupByKey operations into 
optimizable parts.
    May 18, 2018 6:13:05 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:01.102Z: Expanding GroupByKey operations into 
optimizable parts.
    May 18, 2018 6:13:05 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:01.144Z: Lifting ValueCombiningMappingFns into 
MergeBucketsMappingFns
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org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:01.393Z: Fusing adjacent ParDo, Read, Write, and 
Flatten operations
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org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:01.434Z: Elided trivial flatten 
    May 18, 2018 6:13:05 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:01.478Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Wait.OnSignal/Wait/Map into SpannerIO.Write/Write 
mutations to Cloud Spanner/Create seed/Read(CreateSource)
    May 18, 2018 6:13:05 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:01.522Z: 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 18, 2018 6:13:05 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:01.569Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/BatchViewOverrides.GroupByWindowHashAsKeyAndWindowAsSortKey/BatchViewOverrides.GroupByKeyAndSortValuesOnly/Write
 into SpannerIO.Write/Write mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/BatchViewOverrides.GroupByWindowHashAsKeyAndWindowAsSortKey/ParDo(UseWindowHashAsKeyAndWindowAsSortKey)
    May 18, 2018 6:13:05 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:01.603Z: 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 18, 2018 6:13:05 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:01.648Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/Combine.globally(Singleton)/WithKeys/AddKeys/Map
 into SpannerIO.Write/Write mutations to Cloud Spanner/Read information schema
    May 18, 2018 6:13:05 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:01.689Z: 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 18, 2018 6:13:05 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:01.731Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/Combine.globally(Singleton)/Values/Values/Map
 into SpannerIO.Write/Write mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/Combine.globally(Singleton)/Combine.perKey(Singleton)/Combine.GroupedValues/Extract
    May 18, 2018 6:13:05 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:01.774Z: 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 18, 2018 6:13:05 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:01.819Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/Combine.globally(Singleton)/Combine.perKey(Singleton)/Combine.GroupedValues/Extract
 into SpannerIO.Write/Write mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/Combine.globally(Singleton)/Combine.perKey(Singleton)/Combine.GroupedValues
    May 18, 2018 6:13:05 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:01.865Z: 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 18, 2018 6:13:05 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:01.909Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/Combine.globally(Singleton)/Combine.perKey(Singleton)/GroupByKey/Reify
 into SpannerIO.Write/Write mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/Combine.globally(Singleton)/Combine.perKey(Singleton)/GroupByKey+SpannerIO.Write/Write
 mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/Combine.globally(Singleton)/Combine.perKey(Singleton)/Combine.GroupedValues/Partial
    May 18, 2018 6:13:05 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:01.947Z: 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 18, 2018 6:13:05 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:01.991Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Wait.OnSignal/To wait view 0/ParDo(CollectWindows) 
into SpannerIO.Write/To mutation group
    May 18, 2018 6:13:05 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:02.032Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Extract keys into SpannerIO.Write/Write mutations to 
Cloud Spanner/Serialize mutations
    May 18, 2018 6:13:05 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:02.059Z: Fusing consumer ParDo(GenerateMutations) 
into GenerateSequence/Read(BoundedCountingSource)
    May 18, 2018 6:13:05 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:02.103Z: 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 18, 2018 6:13:05 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:02.135Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Batch mutations together into SpannerIO.Write/Write 
mutations to Cloud Spanner/Group by partition/GroupByWindow
    May 18, 2018 6:13:05 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:02.180Z: 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 18, 2018 6:13:05 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:02.218Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Keys sample as 
view/GBKaSVForData/BatchViewOverrides.GroupByKeyAndSortValuesOnly/Write into 
SpannerIO.Write/Write mutations to Cloud Spanner/Keys sample as 
view/GBKaSVForData/ParDo(GroupByKeyHashAndSortByKeyAndWindow)
    May 18, 2018 6:13:05 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:02.253Z: 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 18, 2018 6:13:05 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:02.298Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Sample keys/GroupByKey/Write into 
SpannerIO.Write/Write mutations to Cloud Spanner/Sample keys/GroupByKey/Reify
    May 18, 2018 6:13:05 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:02.341Z: 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 18, 2018 6:13:05 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:02.387Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Sample keys/GroupByKey/Reify into 
SpannerIO.Write/Write mutations to Cloud Spanner/Sample 
keys/GroupByKey+SpannerIO.Write/Write mutations to Cloud Spanner/Sample 
keys/Combine.GroupedValues/Partial
    May 18, 2018 6:13:05 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:02.431Z: 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 18, 2018 6:13:05 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:02.475Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Wait.OnSignal/To wait view 
0/Sample.Any/Combine.globally(SampleAny)/Combine.perKey(SampleAny)/GroupByKey/Write
 into SpannerIO.Write/Write mutations to Cloud Spanner/Wait.OnSignal/To wait 
view 
0/Sample.Any/Combine.globally(SampleAny)/Combine.perKey(SampleAny)/GroupByKey/Reify
    May 18, 2018 6:13:05 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:02.520Z: 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 18, 2018 6:13:05 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:02.557Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Wait.OnSignal/To wait view 
0/View.AsList/ParDo(ToIsmRecordForGlobalWindow) into SpannerIO.Write/Write 
mutations to Cloud Spanner/Wait.OnSignal/To wait view 
0/Sample.Any/Flatten.Iterables/FlattenIterables/FlatMap
    May 18, 2018 6:13:05 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:02.601Z: 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 18, 2018 6:13:05 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:02.636Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Wait.OnSignal/To wait view 
0/Sample.Any/Flatten.Iterables/FlattenIterables/FlatMap into 
SpannerIO.Write/Write mutations to Cloud Spanner/Wait.OnSignal/To wait view 
0/Sample.Any/Combine.globally(SampleAny)/Values/Values/Map
    May 18, 2018 6:13:05 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:02.671Z: 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 18, 2018 6:13:05 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:02.705Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Keys sample as view/ParDo(ToIsmMetadataRecordForKey) 
into SpannerIO.Write/Write mutations to Cloud Spanner/Keys sample as 
view/GBKaSVForKeys/Read
    May 18, 2018 6:13:05 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:02.750Z: 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 18, 2018 6:13:05 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:02.793Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Wait.OnSignal/To wait view 
0/Sample.Any/Combine.globally(SampleAny)/WithKeys/AddKeys/Map into 
SpannerIO.Write/Write mutations to Cloud Spanner/Wait.OnSignal/To wait view 
0/ParDo(CollectWindows)
    May 18, 2018 6:13:05 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:02.838Z: 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 18, 2018 6:13:05 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:02.872Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Write mutations to Spanner into 
SpannerIO.Write/Write mutations to Cloud Spanner/Batch mutations together
    May 18, 2018 6:13:05 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:02.916Z: 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 18, 2018 6:13:05 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:02.951Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Wait.OnSignal/To wait view 
0/Sample.Any/Combine.globally(SampleAny)/Combine.perKey(SampleAny)/GroupByKey+SpannerIO.Write/Write
 mutations to Cloud Spanner/Wait.OnSignal/To wait view 
0/Sample.Any/Combine.globally(SampleAny)/Combine.perKey(SampleAny)/Combine.GroupedValues/Partial
 into SpannerIO.Write/Write mutations to Cloud Spanner/Wait.OnSignal/To wait 
view 0/Sample.Any/Combine.globally(SampleAny)/WithKeys/AddKeys/Map
    May 18, 2018 6:13:05 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:02.995Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Group by partition/Reify into SpannerIO.Write/Write 
mutations to Cloud Spanner/Partition input
    May 18, 2018 6:13:05 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:03.031Z: Fusing consumer SpannerIO.Write/To mutation 
group into ParDo(GenerateMutations)
    May 18, 2018 6:13:05 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:03.075Z: 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 18, 2018 6:13:05 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:03.120Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Group by partition/Write into SpannerIO.Write/Write 
mutations to Cloud Spanner/Group by partition/Reify
    May 18, 2018 6:13:05 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:03.155Z: 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 18, 2018 6:13:05 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:03.560Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/Combine.globally(Singleton)/Combine.perKey(Singleton)/GroupByKey/Create
    May 18, 2018 6:13:05 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:03.590Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/BatchViewOverrides.GroupByWindowHashAsKeyAndWindowAsSortKey/BatchViewOverrides.GroupByKeyAndSortValuesOnly/Create
    May 18, 2018 6:13:05 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:03.617Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Sample keys/GroupByKey/Create
    May 18, 2018 6:13:05 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:03.650Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Keys sample as 
view/GBKaSVForData/BatchViewOverrides.GroupByKeyAndSortValuesOnly/Create
    May 18, 2018 6:13:05 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:03.660Z: Starting 1 workers in us-central1-b...
    May 18, 2018 6:13:05 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:03.682Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Keys sample as view/GBKaSVForSize/Create
    May 18, 2018 6:13:05 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:03.716Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Keys sample as view/GBKaSVForKeys/Create
    May 18, 2018 6:13:05 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:03.753Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Group by partition/Create
    May 18, 2018 6:13:05 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:03.785Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Wait.OnSignal/To wait view 
0/Sample.Any/Combine.globally(SampleAny)/Combine.perKey(SampleAny)/GroupByKey/Create
    May 18, 2018 6:13:05 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:04.121Z: 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 18, 2018 6:13:11 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:11.723Z: Autoscaling: Raised the number of workers 
to 0 based on the rate of progress in the currently running step(s).
    May 18, 2018 6:13:24 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:22.198Z: Autoscaling: Raised the number of workers 
to 1 based on the rate of progress in the currently running step(s).
    May 18, 2018 6:13:24 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:22.244Z: Autoscaling: Would further reduce the 
number of workers but reached the minimum number allowed for the job.
    May 18, 2018 6:13:46 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:13:46.331Z: Workers have started successfully.
    May 18, 2018 6:14:10 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:14:10.203Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Wait.OnSignal/To wait view 
0/Sample.Any/Combine.globally(SampleAny)/Combine.perKey(SampleAny)/GroupByKey/Close
    May 18, 2018 6:14:10 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:14:10.293Z: 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 18, 2018 6:14:20 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:14:17.959Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Wait.OnSignal/To wait view 
0/View.AsList/CreateDataflowView
    May 18, 2018 6:14:20 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:14:18.152Z: 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 18, 2018 6:14:25 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:14:23.894Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/Combine.globally(Singleton)/Combine.perKey(Singleton)/GroupByKey/Close
    May 18, 2018 6:14:25 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:14:23.981Z: 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 18, 2018 6:14:28 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:14:28.319Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/BatchViewOverrides.GroupByWindowHashAsKeyAndWindowAsSortKey/BatchViewOverrides.GroupByKeyAndSortValuesOnly/Close
    May 18, 2018 6:14:28 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:14:28.411Z: 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 18, 2018 6:14:37 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:14:34.587Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/CreateDataflowView
    May 18, 2018 6:14:37 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:14:34.784Z: 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 18, 2018 6:14:48 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:14:45.513Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Sample keys/GroupByKey/Close
    May 18, 2018 6:14:48 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:14:45.581Z: 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 18, 2018 6:14:51 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:14:49.185Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Keys sample as 
view/GBKaSVForData/BatchViewOverrides.GroupByKeyAndSortValuesOnly/Close
    May 18, 2018 6:14:51 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:14:49.263Z: 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 18, 2018 6:14:55 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:14:53.807Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Keys sample as view/GBKaSVForSize/Close
    May 18, 2018 6:14:55 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:14:53.846Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Keys sample as view/GBKaSVForKeys/Close
    May 18, 2018 6:14:55 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:14:53.891Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Keys sample as 
view/GBKaSVForSize/Read+SpannerIO.Write/Write mutations to Cloud Spanner/Keys 
sample as view/ParDo(ToIsmMetadataRecordForSize)
    May 18, 2018 6:14:55 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:14:53.934Z: 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 18, 2018 6:15:04 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:15:03.845Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Keys sample as view/Flatten.PCollections
    May 18, 2018 6:15:04 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:15:04.111Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Keys sample as view/CreateDataflowView
    May 18, 2018 6:15:04 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:15:04.319Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Partition input+SpannerIO.Write/Write mutations to 
Cloud Spanner/Group by partition/Reify+SpannerIO.Write/Write mutations to Cloud 
Spanner/Group by partition/Write
    May 18, 2018 6:15:12 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:15:10.078Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Group by partition/Close
    May 18, 2018 6:15:12 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:15:10.156Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Group by partition/Read+SpannerIO.Write/Write 
mutations to Cloud Spanner/Group by 
partition/GroupByWindow+SpannerIO.Write/Write mutations to Cloud Spanner/Batch 
mutations together+SpannerIO.Write/Write mutations to Cloud Spanner/Write 
mutations to Spanner
    May 18, 2018 6:15:18 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:15:17.844Z: Cleaning up.
    May 18, 2018 6:15:18 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:15:18.178Z: Stopping worker pool...
    May 18, 2018 6:17:10 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:17:09.934Z: Autoscaling: Resized worker pool from 1 to 
0.
    May 18, 2018 6:17:10 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-05-18T06:17:09.978Z: Autoscaling: Would further reduce the 
number of workers but reached the minimum number allowed for the job.
    May 18, 2018 6:17:23 AM 
org.apache.beam.runners.dataflow.DataflowPipelineJob waitUntilFinish
    INFO: Job 2018-05-17_23_12_53-10057946023966827951 finished with status 
DONE.
    May 18, 2018 6:17:23 AM org.apache.beam.runners.dataflow.TestDataflowRunner 
checkForPAssertSuccess
    INFO: Success result for Dataflow job 
2018-05-17_23_12_53-10057946023966827951. Found 0 success, 0 failures out of 0 
expected assertions.
    May 18, 2018 6:17:23 AM 
org.apache.beam.runners.dataflow.DataflowPipelineJob waitUntilFinish
    INFO: Job 2018-05-17_23_12_53-10057946023966827951 finished with status 
DONE.

Gradle Test Executor 122 finished executing tests.

> Task 
> :beam-runners-google-cloud-dataflow-java:googleCloudPlatformIntegrationTest
Finished generating test XML results (0.01 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 (0.013 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 14,5,main]) completed. Took 32 mins 16.052 
secs.
:beam-runners-google-cloud-dataflow-java:postCommit (Thread[Task worker for ':' 
Thread 14,5,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 14,5,main]) completed. Took 0.0 secs.

FAILURE: Build completed with 3 failures.

1: Task failed with an exception.
-----------
* What went wrong:
Execution failed for task 
':beam-sdks-java-maven-archetypes-starter:generateAndBuildArchetypeTest'.
> Process 'command '/home/jenkins/tools/maven/apache-maven-3.5.2/bin/mvn'' 
> 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.
==============================================================================

2: Task failed with an exception.
-----------
* What went wrong:
Execution failed for task 
':beam-sdks-java-maven-archetypes-examples:generateAndBuildArchetypeTest'.
> Process 'command '/home/jenkins/tools/maven/apache-maven-3.5.2/bin/mvn'' 
> 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.
==============================================================================

3: Task failed with an exception.
-----------
* What went wrong:
Execution failed for task ':beam-sdks-java-extensions-sql:integrationTest'.
> There were failing tests. See the report at: 
> file://<https://builds.apache.org/job/beam_PostCommit_Java_GradleBuild/ws/src/sdks/java/extensions/sql/build/reports/tests/integrationTest/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 19s
546 actionable tasks: 541 executed, 5 from cache

Publishing build scan...
https://gradle.com/s/vdntwsgbt2g7i

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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