See 
<https://builds.apache.org/job/beam_PreCommit_Java_Cron/93/display/redirect?page=changes>

Changes:

[amaliujia] add testArithmeticOperator

[rober] Add a small benchmark for metrics

------------------------------------------
[...truncated 16.97 MB...]
    INFO: 2018-07-12T00:18:27.806Z: Lifting ValueCombiningMappingFns into 
MergeBucketsMappingFns
    Jul 12, 2018 12:18:38 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:18:28.134Z: Fusing adjacent ParDo, Read, Write, and 
Flatten operations
    Jul 12, 2018 12:18:38 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:18:28.184Z: Unzipping flatten s13 for input 
s12.org.apache.beam.sdk.values.PCollection.<init>:349#1d275f544daf228c
    Jul 12, 2018 12:18:38 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:18:28.218Z: Fusing unzipped copy of 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Add void 
key/AddKeys/Map, through flatten 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/Flatten.PCollections,
 into producer 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/DropShardNum
    Jul 12, 2018 12:18:38 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:18:28.270Z: Fusing consumer 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/ExpandIterable
 into 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/GroupByKey/GroupByWindow
    Jul 12, 2018 12:18:38 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:18:28.317Z: Fusing consumer 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Reshuffle/Window.Into()/Window.Assign
 into 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Pair
 with random key
    Jul 12, 2018 12:18:38 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:18:28.365Z: Fusing consumer 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Reshuffle/GroupByKey/Write
 into 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Reshuffle/GroupByKey/Reify
    Jul 12, 2018 12:18:38 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:18:28.415Z: Fusing consumer 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Reshuffle/GroupByKey/GroupByWindow
 into 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Reshuffle/GroupByKey/Read
    Jul 12, 2018 12:18:38 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:18:28.466Z: Fusing consumer 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Reshuffle/GroupByKey/Reify
 into 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Reshuffle/Window.Into()/Window.Assign
    Jul 12, 2018 12:18:38 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:18:28.508Z: Fusing consumer 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Drop 
key/Values/Map into 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/ExpandIterable
    Jul 12, 2018 12:18:38 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:18:28.555Z: Fusing consumer 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Gather 
bundles into 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Drop 
key/Values/Map
    Jul 12, 2018 12:18:38 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:18:28.601Z: Fusing consumer 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Pair
 with random key into 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Gather 
bundles
    Jul 12, 2018 12:18:38 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:18:28.630Z: Fusing consumer 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Reshuffle/GroupByKey/GroupByWindow
 into 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Reshuffle/GroupByKey/Read
    Jul 12, 2018 12:18:38 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:18:28.668Z: Fusing consumer 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/GroupByKey/Reify
 into 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/Window.Into()/Window.Assign
    Jul 12, 2018 12:18:38 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:18:28.713Z: Fusing consumer 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/GroupByKey/Write
 into 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/GroupByKey/Reify
    Jul 12, 2018 12:18:38 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:18:28.752Z: Fusing consumer 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/GroupByKey/GroupByWindow
 into 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/GroupByKey/Read
    Jul 12, 2018 12:18:38 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:18:28.802Z: Unzipping flatten s13-u58 for input 
s14.org.apache.beam.sdk.values.PCollection.<init>:349#f0cbc4d341b04049-c56
    Jul 12, 2018 12:18:38 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:18:28.854Z: Fusing unzipped copy of 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/Window.Into()/Window.Assign,
 through flatten s13-u58, into producer 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Add void 
key/AddKeys/Map
    Jul 12, 2018 12:18:38 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:18:28.900Z: Fusing consumer 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Pair
 with random key into 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/FinalizeTempFileBundles/Finalize
    Jul 12, 2018 12:18:38 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:18:28.950Z: Fusing consumer 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Reshuffle/ExpandIterable
 into 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Reshuffle/GroupByKey/GroupByWindow
    Jul 12, 2018 12:18:38 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:18:28.999Z: Fusing consumer 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Values/Values/Map
 into 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Reshuffle/ExpandIterable
    Jul 12, 2018 12:18:38 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:18:29.054Z: Fusing consumer 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Reshuffle/ExpandIterable
 into 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Reshuffle/GroupByKey/GroupByWindow
    Jul 12, 2018 12:18:38 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:18:29.109Z: Fusing consumer 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Reshuffle/Window.Into()/Window.Assign
 into 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Pair
 with random key
    Jul 12, 2018 12:18:38 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:18:29.157Z: Fusing consumer 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Reshuffle/GroupByKey/Write
 into 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Reshuffle/GroupByKey/Reify
    Jul 12, 2018 12:18:38 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:18:29.200Z: Fusing consumer 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Reshuffle/GroupByKey/Reify
 into 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Reshuffle/Window.Into()/Window.Assign
    Jul 12, 2018 12:18:38 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:18:29.247Z: Fusing consumer 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Values/Values/Map
 into 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Reshuffle/ExpandIterable
    Jul 12, 2018 12:18:38 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:18:29.296Z: Fusing consumer 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/FinalizeTempFileBundles/Finalize 
into 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Values/Values/Map
    Jul 12, 2018 12:18:38 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:18:29.338Z: Fusing consumer 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Add void 
key/AddKeys/Map into 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/WriteUnshardedBundles
    Jul 12, 2018 12:18:38 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:18:29.383Z: Fusing consumer 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/Window.Into()/Window.Assign
 into WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Add 
void key/AddKeys/Map
    Jul 12, 2018 12:18:38 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:18:29.429Z: Fusing consumer 
WordCount.CountWords/Count.PerElement/Combine.perKey(Count)/GroupByKey+WordCount.CountWords/Count.PerElement/Combine.perKey(Count)/Combine.GroupedValues/Partial
 into WordCount.CountWords/Count.PerElement/Init/Map
    Jul 12, 2018 12:18:38 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:18:29.479Z: Fusing consumer 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/GroupUnwritten/Reify
 into 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/WriteUnshardedBundles
    Jul 12, 2018 12:18:38 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:18:29.519Z: Fusing consumer Window.Into()/Window.Assign 
into ParDo(AddTimestamp)
    Jul 12, 2018 12:18:38 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:18:29.569Z: Fusing consumer 
WordCount.CountWords/Count.PerElement/Combine.perKey(Count)/Combine.GroupedValues
 into 
WordCount.CountWords/Count.PerElement/Combine.perKey(Count)/GroupByKey/Read
    Jul 12, 2018 12:18:38 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:18:29.606Z: Fusing consumer 
WordCount.CountWords/Count.PerElement/Combine.perKey(Count)/GroupByKey/Reify 
into 
WordCount.CountWords/Count.PerElement/Combine.perKey(Count)/GroupByKey+WordCount.CountWords/Count.PerElement/Combine.perKey(Count)/Combine.GroupedValues/Partial
    Jul 12, 2018 12:18:38 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:18:29.657Z: Fusing consumer 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/WriteUnwritten
 into 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/GroupUnwritten/GroupByWindow
    Jul 12, 2018 12:18:38 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:18:29.705Z: Fusing consumer 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/GroupUnwritten/Write
 into 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/GroupUnwritten/Reify
    Jul 12, 2018 12:18:38 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:18:29.759Z: Fusing consumer 
WordCount.CountWords/Count.PerElement/Combine.perKey(Count)/GroupByKey/Write 
into 
WordCount.CountWords/Count.PerElement/Combine.perKey(Count)/GroupByKey/Reify
    Jul 12, 2018 12:18:38 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:18:29.804Z: Fusing consumer MapElements/Map into 
WordCount.CountWords/Count.PerElement/Combine.perKey(Count)/Combine.GroupedValues/Extract
    Jul 12, 2018 12:18:38 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:18:29.853Z: Fusing consumer ParDo(AddTimestamp) into 
TextIO.Read/Read
    Jul 12, 2018 12:18:38 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:18:29.889Z: Fusing consumer 
WordCount.CountWords/ParDo(ExtractWords) into Window.Into()/Window.Assign
    Jul 12, 2018 12:18:38 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:18:29.937Z: Fusing consumer 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/DropShardNum
 into 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/WriteUnwritten
    Jul 12, 2018 12:18:38 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:18:29.985Z: Fusing consumer 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/WriteUnshardedBundles
 into MapElements/Map
    Jul 12, 2018 12:18:38 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:18:30.039Z: Fusing consumer 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/GroupUnwritten/GroupByWindow
 into 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/GroupUnwritten/Read
    Jul 12, 2018 12:18:38 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:18:30.089Z: Fusing consumer 
WordCount.CountWords/Count.PerElement/Init/Map into 
WordCount.CountWords/ParDo(ExtractWords)
    Jul 12, 2018 12:18:38 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:18:30.138Z: Fusing consumer 
WordCount.CountWords/Count.PerElement/Combine.perKey(Count)/Combine.GroupedValues/Extract
 into 
WordCount.CountWords/Count.PerElement/Combine.perKey(Count)/Combine.GroupedValues
    Jul 12, 2018 12:18:38 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:18:30.701Z: Executing operation 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/GroupUnwritten/Create
    Jul 12, 2018 12:18:38 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:18:30.754Z: Executing operation 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/GroupByKey/Create
    Jul 12, 2018 12:18:38 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:18:30.829Z: Executing operation 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Reshuffle/GroupByKey/Create
    Jul 12, 2018 12:18:38 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:18:30.831Z: Starting 1 workers in us-central1-b...
    Jul 12, 2018 12:18:38 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:18:30.875Z: Executing operation 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Reshuffle/GroupByKey/Create
    Jul 12, 2018 12:18:38 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:18:30.926Z: Executing operation 
WordCount.CountWords/Count.PerElement/Combine.perKey(Count)/GroupByKey/Create
    Jul 12, 2018 12:18:38 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:18:31.347Z: Executing operation 
TextIO.Read/Read+ParDo(AddTimestamp)+Window.Into()/Window.Assign+WordCount.CountWords/ParDo(ExtractWords)+WordCount.CountWords/Count.PerElement/Init/Map+WordCount.CountWords/Count.PerElement/Combine.perKey(Count)/GroupByKey+WordCount.CountWords/Count.PerElement/Combine.perKey(Count)/Combine.GroupedValues/Partial+WordCount.CountWords/Count.PerElement/Combine.perKey(Count)/GroupByKey/Reify+WordCount.CountWords/Count.PerElement/Combine.perKey(Count)/GroupByKey/Write
    Jul 12, 2018 12:18:41 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:18:40.261Z: Autoscaling: Raised the number of workers 
to 0 based on the rate of progress in the currently running step(s).
    Jul 12, 2018 12:19:02 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:19:01.282Z: Autoscaling: Raised the number of workers 
to 1 based on the rate of progress in the currently running step(s).
    Jul 12, 2018 12:19:02 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:19:01.329Z: Autoscaling: Would further reduce the 
number of workers but reached the minimum number allowed for the job.
    Jul 12, 2018 12:19:18 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:19:17.925Z: Workers have started successfully.
    Jul 12, 2018 12:19:39 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:19:37.077Z: Executing operation 
WordCount.CountWords/Count.PerElement/Combine.perKey(Count)/GroupByKey/Close
    Jul 12, 2018 12:19:39 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:19:37.163Z: Executing operation 
WordCount.CountWords/Count.PerElement/Combine.perKey(Count)/GroupByKey/Read+WordCount.CountWords/Count.PerElement/Combine.perKey(Count)/Combine.GroupedValues+WordCount.CountWords/Count.PerElement/Combine.perKey(Count)/Combine.GroupedValues/Extract+MapElements/Map+WriteOneFilePerWindow/TextIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/WriteUnshardedBundles+WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Add
 void 
key/AddKeys/Map+WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/Window.Into()/Window.Assign+WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/GroupByKey/Reify+WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/GroupByKey/Write+WriteOneFilePerWindow/TextIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/GroupUnwritten/Reify+WriteOneFilePerWindow/TextIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/GroupUnwritten/Write
    Jul 12, 2018 12:20:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:20:06.891Z: Executing operation 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/GroupUnwritten/Close
    Jul 12, 2018 12:20:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:20:06.988Z: Executing operation 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/GroupUnwritten/Read+WriteOneFilePerWindow/TextIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/GroupUnwritten/GroupByWindow+WriteOneFilePerWindow/TextIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/WriteUnwritten+WriteOneFilePerWindow/TextIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/DropShardNum+WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Add
 void 
key/AddKeys/Map+WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/Window.Into()/Window.Assign+WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/GroupByKey/Reify+WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/GroupByKey/Write
    Jul 12, 2018 12:20:09 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:20:09.068Z: Executing operation 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/GroupByKey/Close
    Jul 12, 2018 12:20:11 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:20:09.159Z: Executing operation 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/GroupByKey/Read+WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/GroupByKey/GroupByWindow+WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/ExpandIterable+WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Drop
 
key/Values/Map+WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Gather
 
bundles+WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Pair
 with random 
key+WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Reshuffle/Window.Into()/Window.Assign+WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Reshuffle/GroupByKey/Reify+WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Reshuffle/GroupByKey/Write
    Jul 12, 2018 12:20:16 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:20:15.528Z: Executing operation 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Reshuffle/GroupByKey/Close
    Jul 12, 2018 12:20:16 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:20:15.625Z: Executing operation 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Reshuffle/GroupByKey/Read+WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Reshuffle/GroupByKey/GroupByWindow+WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Reshuffle/ExpandIterable+WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Values/Values/Map+WriteOneFilePerWindow/TextIO.Write/WriteFiles/FinalizeTempFileBundles/Finalize+WriteOneFilePerWindow/TextIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Pair
 with random 
key+WriteOneFilePerWindow/TextIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Reshuffle/Window.Into()/Window.Assign+WriteOneFilePerWindow/TextIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Reshuffle/GroupByKey/Reify+WriteOneFilePerWindow/TextIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Reshuffle/GroupByKey/Write
    Jul 12, 2018 12:20:25 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:20:24.209Z: Executing operation 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Reshuffle/GroupByKey/Close
    Jul 12, 2018 12:20:25 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:20:24.307Z: Executing operation 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Reshuffle/GroupByKey/Read+WriteOneFilePerWindow/TextIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Reshuffle/GroupByKey/GroupByWindow+WriteOneFilePerWindow/TextIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Reshuffle/ExpandIterable+WriteOneFilePerWindow/TextIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Values/Values/Map
    Jul 12, 2018 12:20:28 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:20:28.553Z: Cleaning up.
    Jul 12, 2018 12:20:31 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:20:28.668Z: Stopping worker pool...
    Jul 12, 2018 12:23:18 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:23:16.058Z: Autoscaling: Resized worker pool from 1 to 
0.
    Jul 12, 2018 12:23:18 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-07-12T00:23:16.097Z: Autoscaling: Would further reduce the 
number of workers but reached the minimum number allowed for the job.
    Jul 12, 2018 12:23:25 AM 
org.apache.beam.runners.dataflow.DataflowPipelineJob waitUntilFinish
    INFO: Job 2018-07-11_17_18_19-6125042579488806554 finished with status DONE.
    Jul 12, 2018 12:23:25 AM 
org.apache.beam.runners.dataflow.TestDataflowRunner checkForPAssertSuccess
    INFO: Success result for Dataflow job 
2018-07-11_17_18_19-6125042579488806554. Found 0 success, 0 failures out of 0 
expected assertions.
    Jul 12, 2018 12:23:27 AM 
org.apache.beam.runners.dataflow.DataflowPipelineJob waitUntilFinish
    INFO: Job 2018-07-11_17_18_19-6125042579488806554 finished with status DONE.

Gradle Test Executor 109 finished executing tests.

> Task :runners:google-cloud-dataflow-java:examples:preCommit
Finished generating test XML results (0.004 secs) into: 
<https://builds.apache.org/job/beam_PreCommit_Java_Cron/ws/src/runners/google-cloud-dataflow-java/examples/build/test-results/preCommit>
Generating HTML test report...
Finished generating test html results (0.005 secs) into: 
<https://builds.apache.org/job/beam_PreCommit_Java_Cron/ws/src/runners/google-cloud-dataflow-java/examples/build/reports/tests/preCommit>
Packing task ':runners:google-cloud-dataflow-java:examples:preCommit'
:runners:google-cloud-dataflow-java:examples:preCommit (Thread[Task worker for 
':' Thread 14,5,main]) completed. Took 14 mins 29.542 secs.
:beam-examples-java:preCommit (Thread[Task worker for ':' Thread 14,5,main]) 
started.

> Task :beam-examples-java:preCommit
Skipping task ':beam-examples-java:preCommit' as it has no actions.
:runners:google-cloud-dataflow-java:examples:test (Thread[Task worker for ':' 
Thread 6,5,main]) started.
:beam-examples-java:preCommit (Thread[Task worker for ':' Thread 14,5,main]) 
completed. Took 0.0 secs.

> Task :runners:google-cloud-dataflow-java:examples:test NO-SOURCE
Skipping task ':runners:google-cloud-dataflow-java:examples:test' as it has no 
source files and no previous output files.
:runners:google-cloud-dataflow-java:examples:test (Thread[Task worker for ':' 
Thread 6,5,main]) completed. Took 0.002 secs.
:runners:google-cloud-dataflow-java:examples:check (Thread[Task worker for ':' 
Thread 6,5,main]) started.

> Task :runners:google-cloud-dataflow-java:examples:check
Skipping task ':runners:google-cloud-dataflow-java:examples:check' as it has no 
actions.
:runners:google-cloud-dataflow-java:examples:check (Thread[Task worker for ':' 
Thread 6,5,main]) completed. Took 0.0 secs.
:runners:google-cloud-dataflow-java:examples:build (Thread[Task worker for ':' 
Thread 3,5,main]) started.

> Task :runners:google-cloud-dataflow-java:examples:build
Skipping task ':runners:google-cloud-dataflow-java:examples:build' as it has no 
actions.
:runners:google-cloud-dataflow-java:examples:build (Thread[Task worker for ':' 
Thread 3,5,main]) completed. Took 0.0 secs.
:runners:google-cloud-dataflow-java:examples:buildDependents (Thread[Task 
worker for ':' Thread 3,5,main]) started.

> Task :runners:google-cloud-dataflow-java:examples:buildDependents
Caching disabled for task 
':runners:google-cloud-dataflow-java:examples:buildDependents': Caching has not 
been enabled for the task
Task ':runners:google-cloud-dataflow-java:examples:buildDependents' is not 
up-to-date because:
  Task has not declared any outputs despite executing actions.
:runners:google-cloud-dataflow-java:examples:buildDependents (Thread[Task 
worker for ':' Thread 3,5,main]) completed. Took 0.0 secs.
:beam-examples-java:buildDependents (Thread[Task worker for ':' Thread 
3,5,main]) started.
:beam-runners-google-cloud-dataflow-java:buildDependents (Thread[Task worker 
for ':' Thread 10,5,main]) started.

> Task :beam-examples-java:buildDependents
Caching disabled for task ':beam-examples-java:buildDependents': Caching has 
not been enabled for the task
Task ':beam-examples-java:buildDependents' is not up-to-date because:
  Task has not declared any outputs despite executing actions.
:beam-examples-java:buildDependents (Thread[Task worker for ':' Thread 
3,5,main]) completed. Took 0.0 secs.

> 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 10,5,main]) completed. Took 0.0 secs.
:beam-sdks-java-io-google-cloud-platform:buildDependents (Thread[Task worker 
for ':' Thread 11,5,main]) started.

> 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 11,5,main]) completed. Took 0.0 secs.
:beam-sdks-java-extensions-protobuf:buildDependents (Thread[Task worker for ':' 
Thread 11,5,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 11,5,main]) completed. Took 0.0 secs.

FAILURE: Build completed with 2 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.
==============================================================================

* 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 23m 5s
649 actionable tasks: 644 executed, 5 from cache

Publishing build scan...
https://gradle.com/s/jblahkl3elqdy

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

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