See 
<https://builds.apache.org/job/beam_PostCommit_Java_GradleBuild/932/display/redirect?page=changes>

Changes:

[kirpichov] Simplifies API of WireCoders and LengthPrefixUnknownCoders.

[kirpichov] Address comments

------------------------------------------
[...truncated 18.08 MB...]
    INFO: 2018-06-26T00:47:01.152Z: 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
    Jun 26, 2018 12:47:02 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:47:01.179Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/Combine.globally(Singleton)/Combine.perKey(Singleton)/Combine.GroupedValues
 into SpannerIO.Write/Write mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/Combine.globally(Singleton)/Combine.perKey(Singleton)/GroupByKey/Read
    Jun 26, 2018 12:47:02 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:47:01.213Z: 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
    Jun 26, 2018 12:47:02 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:47:01.244Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/BatchViewOverrides.GroupByWindowHashAsKeyAndWindowAsSortKey/ParDo(UseWindowHashAsKeyAndWindowAsSortKey)
 into SpannerIO.Write/Write mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/Combine.globally(Singleton)/Values/Values/Map
    Jun 26, 2018 12:47:02 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:47:01.284Z: 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
    Jun 26, 2018 12:47:02 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:47:01.315Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/Combine.globally(Singleton)/Combine.perKey(Singleton)/GroupByKey+SpannerIO.Write/Write
 mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/Combine.globally(Singleton)/Combine.perKey(Singleton)/Combine.GroupedValues/Partial
 into SpannerIO.Write/Write mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/Combine.globally(Singleton)/WithKeys/AddKeys/Map
    Jun 26, 2018 12:47:02 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:47:01.346Z: 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
    Jun 26, 2018 12:47:02 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:47:01.375Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/Combine.globally(Singleton)/Combine.perKey(Singleton)/GroupByKey/Write
 into SpannerIO.Write/Write mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/Combine.globally(Singleton)/Combine.perKey(Singleton)/GroupByKey/Reify
    Jun 26, 2018 12:47:02 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:47:01.411Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Wait.OnSignal/To wait view 0/ParDo(CollectWindows) 
into SpannerIO.Write/To mutation group
    Jun 26, 2018 12:47:02 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:47:01.443Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Extract keys into SpannerIO.Write/Write mutations to 
Cloud Spanner/Serialize mutations
    Jun 26, 2018 12:47:02 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:47:01.479Z: Fusing consumer ParDo(GenerateMutations) 
into GenerateSequence/Read(BoundedCountingSource)
    Jun 26, 2018 12:47:02 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:47:01.515Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Sample keys/Combine.GroupedValues into 
SpannerIO.Write/Write mutations to Cloud Spanner/Sample keys/GroupByKey/Read
    Jun 26, 2018 12:47:02 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:47:01.544Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Batch mutations together into SpannerIO.Write/Write 
mutations to Cloud Spanner/Group by partition/GroupByWindow
    Jun 26, 2018 12:47:02 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:47:01.577Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Keys sample as 
view/ParMultiDo(ToIsmRecordForMapLike) into SpannerIO.Write/Write mutations to 
Cloud Spanner/Keys sample as 
view/GBKaSVForData/BatchViewOverrides.GroupByKeyAndSortValuesOnly/Read
    Jun 26, 2018 12:47:02 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:47:01.611Z: 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)
    Jun 26, 2018 12:47:02 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:47:01.639Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Keys sample as 
view/GBKaSVForData/ParDo(GroupByKeyHashAndSortByKeyAndWindow) into 
SpannerIO.Write/Write mutations to Cloud Spanner/Sample 
keys/Combine.GroupedValues/Extract
    Jun 26, 2018 12:47:02 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:47:01.673Z: 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
    Jun 26, 2018 12:47:02 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:47:01.705Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Sample keys/Combine.GroupedValues/Extract into 
SpannerIO.Write/Write mutations to Cloud Spanner/Sample 
keys/Combine.GroupedValues
    Jun 26, 2018 12:47:02 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:47:01.738Z: 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
    Jun 26, 2018 12:47:02 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:47:01.773Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Sample keys/GroupByKey+SpannerIO.Write/Write 
mutations to Cloud Spanner/Sample keys/Combine.GroupedValues/Partial into 
SpannerIO.Write/Write mutations to Cloud Spanner/Extract keys
    Jun 26, 2018 12:47:02 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:47:01.808Z: 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
    Jun 26, 2018 12:47:02 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:47:01.842Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Keys sample as view/GBKaSVForSize/Write into 
SpannerIO.Write/Write mutations to Cloud Spanner/Keys sample as 
view/ParMultiDo(ToIsmRecordForMapLike)
    Jun 26, 2018 12:47:02 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:47:01.875Z: 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
    Jun 26, 2018 12:47:02 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:47:01.907Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Keys sample as view/GBKaSVForKeys/Write into 
SpannerIO.Write/Write mutations to Cloud Spanner/Keys sample as 
view/ParMultiDo(ToIsmRecordForMapLike)
    Jun 26, 2018 12:47:02 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:47:01.931Z: 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
    Jun 26, 2018 12:47:02 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:47:01.957Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Wait.OnSignal/To wait view 
0/Sample.Any/Combine.globally(SampleAny)/Values/Values/Map into 
SpannerIO.Write/Write mutations to Cloud Spanner/Wait.OnSignal/To wait view 
0/Sample.Any/Combine.globally(SampleAny)/Combine.perKey(SampleAny)/Combine.GroupedValues/Extract
    Jun 26, 2018 12:47:02 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:47:01.991Z: 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
    Jun 26, 2018 12:47:02 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:47:02.024Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Wait.OnSignal/To wait view 
0/Sample.Any/Combine.globally(SampleAny)/Combine.perKey(SampleAny)/Combine.GroupedValues/Extract
 into SpannerIO.Write/Write mutations to Cloud Spanner/Wait.OnSignal/To wait 
view 
0/Sample.Any/Combine.globally(SampleAny)/Combine.perKey(SampleAny)/Combine.GroupedValues
    Jun 26, 2018 12:47:02 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:47:02.057Z: 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)
    Jun 26, 2018 12:47:02 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:47:02.087Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Wait.OnSignal/To wait view 
0/Sample.Any/Combine.globally(SampleAny)/Combine.perKey(SampleAny)/Combine.GroupedValues
 into SpannerIO.Write/Write mutations to Cloud Spanner/Wait.OnSignal/To wait 
view 
0/Sample.Any/Combine.globally(SampleAny)/Combine.perKey(SampleAny)/GroupByKey/Read
    Jun 26, 2018 12:47:02 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:47:02.114Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Write mutations to Spanner into 
SpannerIO.Write/Write mutations to Cloud Spanner/Batch mutations together
    Jun 26, 2018 12:47:02 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:47:02.148Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Wait.OnSignal/To wait view 
0/Sample.Any/Combine.globally(SampleAny)/Combine.perKey(SampleAny)/GroupByKey/Reify
 into SpannerIO.Write/Write mutations to Cloud Spanner/Wait.OnSignal/To wait 
view 
0/Sample.Any/Combine.globally(SampleAny)/Combine.perKey(SampleAny)/GroupByKey+SpannerIO.Write/Write
 mutations to Cloud Spanner/Wait.OnSignal/To wait view 
0/Sample.Any/Combine.globally(SampleAny)/Combine.perKey(SampleAny)/Combine.GroupedValues/Partial
    Jun 26, 2018 12:47:02 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:47:02.177Z: 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
    Jun 26, 2018 12:47:02 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:47:02.206Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Group by partition/Reify into SpannerIO.Write/Write 
mutations to Cloud Spanner/Partition input
    Jun 26, 2018 12:47:02 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:47:02.239Z: Fusing consumer SpannerIO.Write/To mutation 
group into ParDo(GenerateMutations)
    Jun 26, 2018 12:47:02 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:47:02.263Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Group by partition/GroupByWindow into 
SpannerIO.Write/Write mutations to Cloud Spanner/Group by partition/Read
    Jun 26, 2018 12:47:02 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:47:02.286Z: 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
    Jun 26, 2018 12:47:02 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:47:02.320Z: Fusing consumer SpannerIO.Write/Write 
mutations to Cloud Spanner/Keys sample as 
view/ParDo(ToIsmMetadataRecordForSize) into SpannerIO.Write/Write mutations to 
Cloud Spanner/Keys sample as view/GBKaSVForSize/Read
    Jun 26, 2018 12:47:02 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:47:02.720Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/Combine.globally(Singleton)/Combine.perKey(Singleton)/GroupByKey/Create
    Jun 26, 2018 12:47:02 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:47:02.742Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/BatchViewOverrides.GroupByWindowHashAsKeyAndWindowAsSortKey/BatchViewOverrides.GroupByKeyAndSortValuesOnly/Create
    Jun 26, 2018 12:47:02 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:47:02.776Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Sample keys/GroupByKey/Create
    Jun 26, 2018 12:47:02 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:47:02.787Z: Starting 1 workers in us-central1-b...
    Jun 26, 2018 12:47:02 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:47:02.808Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Keys sample as 
view/GBKaSVForData/BatchViewOverrides.GroupByKeyAndSortValuesOnly/Create
    Jun 26, 2018 12:47:02 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:47:02.837Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Keys sample as view/GBKaSVForSize/Create
    Jun 26, 2018 12:47:02 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:47:02.891Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Keys sample as view/GBKaSVForKeys/Create
    Jun 26, 2018 12:47:02 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:47:02.920Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Group by partition/Create
    Jun 26, 2018 12:47:04 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:47:02.969Z: 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
    Jun 26, 2018 12:47:04 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:47:03.311Z: Executing operation 
GenerateSequence/Read(BoundedCountingSource)+ParDo(GenerateMutations)+SpannerIO.Write/To
 mutation group+SpannerIO.Write/Write mutations to Cloud 
Spanner/Wait.OnSignal/To wait view 
0/ParDo(CollectWindows)+SpannerIO.Write/Write mutations to Cloud 
Spanner/Wait.OnSignal/To wait view 
0/Sample.Any/Combine.globally(SampleAny)/WithKeys/AddKeys/Map+SpannerIO.Write/Write
 mutations to Cloud Spanner/Wait.OnSignal/To wait view 
0/Sample.Any/Combine.globally(SampleAny)/Combine.perKey(SampleAny)/GroupByKey+SpannerIO.Write/Write
 mutations to Cloud Spanner/Wait.OnSignal/To wait view 
0/Sample.Any/Combine.globally(SampleAny)/Combine.perKey(SampleAny)/Combine.GroupedValues/Partial+SpannerIO.Write/Write
 mutations to Cloud Spanner/Wait.OnSignal/To wait view 
0/Sample.Any/Combine.globally(SampleAny)/Combine.perKey(SampleAny)/GroupByKey/Reify+SpannerIO.Write/Write
 mutations to Cloud Spanner/Wait.OnSignal/To wait view 
0/Sample.Any/Combine.globally(SampleAny)/Combine.perKey(SampleAny)/GroupByKey/Write
    Jun 26, 2018 12:47:12 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:47:10.322Z: Autoscaling: Raised the number of workers 
to 0 based on the rate of progress in the currently running step(s).
    Jun 26, 2018 12:47:21 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:47:20.800Z: Autoscaling: Raised the number of workers 
to 1 based on the rate of progress in the currently running step(s).
    Jun 26, 2018 12:47:21 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:47:20.841Z: Autoscaling: Would further reduce the 
number of workers but reached the minimum number allowed for the job.
    Jun 26, 2018 12:47:44 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:47:42.765Z: Workers have started successfully.
    Jun 26, 2018 12:48:10 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:48:08.172Z: 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
    Jun 26, 2018 12:48:10 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:48:08.223Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Wait.OnSignal/To wait view 
0/Sample.Any/Combine.globally(SampleAny)/Combine.perKey(SampleAny)/GroupByKey/Read+SpannerIO.Write/Write
 mutations to Cloud Spanner/Wait.OnSignal/To wait view 
0/Sample.Any/Combine.globally(SampleAny)/Combine.perKey(SampleAny)/Combine.GroupedValues+SpannerIO.Write/Write
 mutations to Cloud Spanner/Wait.OnSignal/To wait view 
0/Sample.Any/Combine.globally(SampleAny)/Combine.perKey(SampleAny)/Combine.GroupedValues/Extract+SpannerIO.Write/Write
 mutations to Cloud Spanner/Wait.OnSignal/To wait view 
0/Sample.Any/Combine.globally(SampleAny)/Values/Values/Map+SpannerIO.Write/Write
 mutations to Cloud Spanner/Wait.OnSignal/To wait view 
0/Sample.Any/Flatten.Iterables/FlattenIterables/FlatMap+SpannerIO.Write/Write 
mutations to Cloud Spanner/Wait.OnSignal/To wait view 
0/View.AsList/ParDo(ToIsmRecordForGlobalWindow)
    Jun 26, 2018 12:48:18 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:48:17.819Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Wait.OnSignal/To wait view 
0/View.AsList/CreateDataflowView
    Jun 26, 2018 12:48:18 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:48:17.988Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Create seed/Read(CreateSource)+SpannerIO.Write/Write 
mutations to Cloud Spanner/Wait.OnSignal/Wait/Map+SpannerIO.Write/Write 
mutations to Cloud Spanner/Read information schema+SpannerIO.Write/Write 
mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/Combine.globally(Singleton)/WithKeys/AddKeys/Map+SpannerIO.Write/Write
 mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/Combine.globally(Singleton)/Combine.perKey(Singleton)/GroupByKey+SpannerIO.Write/Write
 mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/Combine.globally(Singleton)/Combine.perKey(Singleton)/Combine.GroupedValues/Partial+SpannerIO.Write/Write
 mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/Combine.globally(Singleton)/Combine.perKey(Singleton)/GroupByKey/Reify+SpannerIO.Write/Write
 mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/Combine.globally(Singleton)/Combine.perKey(Singleton)/GroupByKey/Write
    Jun 26, 2018 12:48:25 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:48:24.976Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/Combine.globally(Singleton)/Combine.perKey(Singleton)/GroupByKey/Close
    Jun 26, 2018 12:48:25 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:48:25.037Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/Combine.globally(Singleton)/Combine.perKey(Singleton)/GroupByKey/Read+SpannerIO.Write/Write
 mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/Combine.globally(Singleton)/Combine.perKey(Singleton)/Combine.GroupedValues+SpannerIO.Write/Write
 mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/Combine.globally(Singleton)/Combine.perKey(Singleton)/Combine.GroupedValues/Extract+SpannerIO.Write/Write
 mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/Combine.globally(Singleton)/Values/Values/Map+SpannerIO.Write/Write
 mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/BatchViewOverrides.GroupByWindowHashAsKeyAndWindowAsSortKey/ParDo(UseWindowHashAsKeyAndWindowAsSortKey)+SpannerIO.Write/Write
 mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/BatchViewOverrides.GroupByWindowHashAsKeyAndWindowAsSortKey/BatchViewOverrides.GroupByKeyAndSortValuesOnly/Write
    Jun 26, 2018 12:48:29 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:48:27.795Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/BatchViewOverrides.GroupByWindowHashAsKeyAndWindowAsSortKey/BatchViewOverrides.GroupByKeyAndSortValuesOnly/Close
    Jun 26, 2018 12:48:29 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:48:27.863Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/BatchViewOverrides.GroupByWindowHashAsKeyAndWindowAsSortKey/BatchViewOverrides.GroupByKeyAndSortValuesOnly/Read+SpannerIO.Write/Write
 mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/ParDo(IsmRecordForSingularValuePerWindow)
    Jun 26, 2018 12:48:37 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:48:36.932Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Schema 
View/Combine.GloballyAsSingletonView/CreateDataflowView
    Jun 26, 2018 12:48:37 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:48:37.078Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Serialize mutations+SpannerIO.Write/Write mutations 
to Cloud Spanner/Extract keys+SpannerIO.Write/Write mutations to Cloud 
Spanner/Sample keys/GroupByKey+SpannerIO.Write/Write mutations to Cloud 
Spanner/Sample keys/Combine.GroupedValues/Partial+SpannerIO.Write/Write 
mutations to Cloud Spanner/Sample keys/GroupByKey/Reify+SpannerIO.Write/Write 
mutations to Cloud Spanner/Sample keys/GroupByKey/Write
    Jun 26, 2018 12:48:47 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:48:46.898Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Sample keys/GroupByKey/Close
    Jun 26, 2018 12:48:47 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:48:46.966Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Sample keys/GroupByKey/Read+SpannerIO.Write/Write 
mutations to Cloud Spanner/Sample 
keys/Combine.GroupedValues+SpannerIO.Write/Write mutations to Cloud 
Spanner/Sample keys/Combine.GroupedValues/Extract+SpannerIO.Write/Write 
mutations to Cloud Spanner/Keys sample as 
view/GBKaSVForData/ParDo(GroupByKeyHashAndSortByKeyAndWindow)+SpannerIO.Write/Write
 mutations to Cloud Spanner/Keys sample as 
view/GBKaSVForData/BatchViewOverrides.GroupByKeyAndSortValuesOnly/Write
    Jun 26, 2018 12:48:50 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:48:47.545Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Keys sample as 
view/GBKaSVForData/BatchViewOverrides.GroupByKeyAndSortValuesOnly/Close
    Jun 26, 2018 12:48:50 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:48:47.615Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Keys sample as 
view/GBKaSVForData/BatchViewOverrides.GroupByKeyAndSortValuesOnly/Read+SpannerIO.Write/Write
 mutations to Cloud Spanner/Keys sample as 
view/ParMultiDo(ToIsmRecordForMapLike)+SpannerIO.Write/Write mutations to Cloud 
Spanner/Keys sample as view/GBKaSVForSize/Write+SpannerIO.Write/Write mutations 
to Cloud Spanner/Keys sample as view/GBKaSVForKeys/Write
    Jun 26, 2018 12:48:54 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:48:53.465Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Keys sample as view/GBKaSVForSize/Close
    Jun 26, 2018 12:48:54 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:48:53.527Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Keys sample as view/GBKaSVForKeys/Close
    Jun 26, 2018 12:48:54 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:48:53.589Z: 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)
    Jun 26, 2018 12:48:54 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:48:53.637Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Keys sample as 
view/GBKaSVForKeys/Read+SpannerIO.Write/Write mutations to Cloud Spanner/Keys 
sample as view/ParDo(ToIsmMetadataRecordForKey)
    Jun 26, 2018 12:49:01 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:49:00.727Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Keys sample as view/Flatten.PCollections
    Jun 26, 2018 12:49:01 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:49:00.965Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Keys sample as view/CreateDataflowView
    Jun 26, 2018 12:49:01 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:49:01.098Z: 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
    Jun 26, 2018 12:49:08 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:49:08.803Z: Executing operation SpannerIO.Write/Write 
mutations to Cloud Spanner/Group by partition/Close
    Jun 26, 2018 12:49:08 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:49:08.880Z: 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
    Jun 26, 2018 12:49:16 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:49:14.426Z: Cleaning up.
    Jun 26, 2018 12:49:16 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:49:14.588Z: Stopping worker pool...
    Jun 26, 2018 12:50:53 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:50:50.725Z: Autoscaling: Resized worker pool from 1 to 
0.
    Jun 26, 2018 12:50:53 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-06-26T00:50:50.775Z: Autoscaling: Would further reduce the 
number of workers but reached the minimum number allowed for the job.
    Jun 26, 2018 12:50:59 AM 
org.apache.beam.runners.dataflow.DataflowPipelineJob waitUntilFinish
    INFO: Job 2018-06-25_17_46_52-10721371824513767519 finished with status 
DONE.
    Jun 26, 2018 12:50:59 AM 
org.apache.beam.runners.dataflow.TestDataflowRunner checkForPAssertSuccess
    INFO: Success result for Dataflow job 
2018-06-25_17_46_52-10721371824513767519. Found 0 success, 0 failures out of 0 
expected assertions.
    Jun 26, 2018 12:50:59 AM 
org.apache.beam.runners.dataflow.DataflowPipelineJob waitUntilFinish
    INFO: Job 2018-06-25_17_46_52-10721371824513767519 finished with status 
DONE.

Gradle Test Executor 137 finished executing tests.

> Task 
> :beam-runners-google-cloud-dataflow-java:googleCloudPlatformIntegrationTest
Finished generating test XML results (0.009 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 (0.011 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 6,5,main]) completed. Took 29 mins 4.43 secs.
:beam-runners-google-cloud-dataflow-java:buildDependents (Thread[Task worker 
for ':' Thread 6,5,main]) started.

> Task :beam-runners-google-cloud-dataflow-java:buildDependents
Caching disabled for task 
':beam-runners-google-cloud-dataflow-java:buildDependents': Caching has not 
been enabled for the task
Task ':beam-runners-google-cloud-dataflow-java:buildDependents' is not 
up-to-date because:
  Task has not declared any outputs despite executing actions.
:beam-runners-google-cloud-dataflow-java:buildDependents (Thread[Task worker 
for ':' Thread 6,5,main]) completed. Took 0.0 secs.
:beam-sdks-java-io-google-cloud-platform:buildDependents (Thread[Task worker 
for ':' Thread 14,5,main]) started.
:beam-runners-google-cloud-dataflow-java:postCommit (Thread[Task worker for ':' 
Thread 13,5,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 13,5,main]) completed. Took 0.0 secs.

> Task :beam-sdks-java-io-google-cloud-platform:buildDependents
Caching disabled for task 
':beam-sdks-java-io-google-cloud-platform:buildDependents': Caching has not 
been enabled for the task
Task ':beam-sdks-java-io-google-cloud-platform:buildDependents' is not 
up-to-date because:
  Task has not declared any outputs despite executing actions.
:beam-sdks-java-io-google-cloud-platform:buildDependents (Thread[Task worker 
for ':' Thread 14,5,main]) completed. Took 0.001 secs.
:beam-sdks-java-extensions-protobuf:buildDependents (Thread[Task worker for ':' 
Thread 6,5,main]) started.

> Task :beam-sdks-java-extensions-protobuf:buildDependents
Caching disabled for task 
':beam-sdks-java-extensions-protobuf:buildDependents': Caching has not been 
enabled for the task
Task ':beam-sdks-java-extensions-protobuf:buildDependents' is not up-to-date 
because:
  Task has not declared any outputs despite executing actions.
:beam-sdks-java-extensions-protobuf:buildDependents (Thread[Task worker for ':' 
Thread 6,5,main]) completed. Took 0.0 secs.

FAILURE: Build completed with 3 failures.

1: Task failed with an exception.
-----------
* What went wrong:
Could not resolve all files for configuration 
':beam-sdks-java-io-hadoop-file-system:testCompileClasspath'.
> Could not find zookeeper-tests.jar (org.apache.zookeeper:zookeeper:3.4.6).
  Searched in the following locations:
      
file:/home/jenkins/.m2/repository/org/apache/zookeeper/zookeeper/3.4.6/zookeeper-3.4.6-tests.jar

* 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:
Could not resolve all files for configuration 
':beam-sdks-java-io-hbase:testCompileClasspath'.
> Could not find zookeeper-tests.jar (org.apache.zookeeper:zookeeper:3.4.6).
  Searched in the following locations:
      
file:/home/jenkins/.m2/repository/org/apache/zookeeper/zookeeper/3.4.6/zookeeper-3.4.6-tests.jar

* 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/4.8/userguide/command_line_interface.html#sec:command_line_warnings

BUILD FAILED in 43m 43s
560 actionable tasks: 558 executed, 2 from cache

Publishing build scan...
https://gradle.com/s/kz43yc6kua5j6

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