See 
<https://builds.apache.org/job/beam_PreCommit_Java_Cron/247/display/redirect>

------------------------------------------
[...truncated 17.35 MB...]
    INFO: 2018-08-20T00:16:33.366Z: Expanding GroupByKey operations into 
optimizable parts.
    Aug 20, 2018 12:16:43 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:16:33.402Z: Lifting ValueCombiningMappingFns into 
MergeBucketsMappingFns
    Aug 20, 2018 12:16:43 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:16:33.716Z: Fusing adjacent ParDo, Read, Write, and 
Flatten operations
    Aug 20, 2018 12:16:43 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:16:33.763Z: Unzipping flatten s13 for input 
s12.org.apache.beam.sdk.values.PCollection.<init>:384#639855871860d444
    Aug 20, 2018 12:16:43 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:16:33.806Z: 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
    Aug 20, 2018 12:16:43 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:16:33.846Z: Fusing consumer 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/ExpandIterable
 into 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/GroupByKey/GroupByWindow
    Aug 20, 2018 12:16:43 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:16:33.890Z: 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
    Aug 20, 2018 12:16:43 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:16:33.934Z: Fusing consumer 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Reshuffle/GroupByKey/Write
 into 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Reshuffle/GroupByKey/Reify
    Aug 20, 2018 12:16:43 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:16:33.979Z: Fusing consumer 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Reshuffle/GroupByKey/GroupByWindow
 into 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Reshuffle/GroupByKey/Read
    Aug 20, 2018 12:16:43 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:16:34.023Z: Fusing consumer 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Reshuffle/GroupByKey/Reify
 into 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Reshuffle/Window.Into()/Window.Assign
    Aug 20, 2018 12:16:43 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:16:34.061Z: Fusing consumer 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Drop 
key/Values/Map into 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/ExpandIterable
    Aug 20, 2018 12:16:43 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:16:34.105Z: Fusing consumer 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Gather 
bundles into 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Drop 
key/Values/Map
    Aug 20, 2018 12:16:43 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:16:34.141Z: Fusing consumer 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Pair
 with random key into 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Gather 
bundles
    Aug 20, 2018 12:16:43 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:16:34.185Z: Fusing consumer 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Reshuffle/GroupByKey/GroupByWindow
 into 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Reshuffle/GroupByKey/Read
    Aug 20, 2018 12:16:43 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:16:34.230Z: Fusing consumer 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/GroupByKey/Reify
 into 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/Window.Into()/Window.Assign
    Aug 20, 2018 12:16:43 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:16:34.270Z: Fusing consumer 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/GroupByKey/Write
 into 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/GroupByKey/Reify
    Aug 20, 2018 12:16:43 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:16:34.315Z: Fusing consumer 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/GroupByKey/GroupByWindow
 into 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/GroupByKey/Read
    Aug 20, 2018 12:16:43 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:16:34.361Z: Unzipping flatten s13-u58 for input 
s14.org.apache.beam.sdk.values.PCollection.<init>:384#43d0369d0f0559b7-c56
    Aug 20, 2018 12:16:43 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:16:34.404Z: 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
    Aug 20, 2018 12:16:43 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:16:34.443Z: Fusing consumer 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Pair
 with random key into 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/FinalizeTempFileBundles/Finalize
    Aug 20, 2018 12:16:43 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:16:34.488Z: Fusing consumer 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Reshuffle/ExpandIterable
 into 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Reshuffle/GroupByKey/GroupByWindow
    Aug 20, 2018 12:16:43 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:16:34.532Z: Fusing consumer 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Values/Values/Map
 into 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Reshuffle/ExpandIterable
    Aug 20, 2018 12:16:43 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:16:34.560Z: Fusing consumer 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Reshuffle/ExpandIterable
 into 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Reshuffle/GroupByKey/GroupByWindow
    Aug 20, 2018 12:16:43 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:16:34.599Z: Fusing consumer 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Reshuffle/Window.Into()/Window.Assign
 into 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Pair
 with random key
    Aug 20, 2018 12:16:43 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:16:34.634Z: Fusing consumer 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Reshuffle/GroupByKey/Write
 into 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Reshuffle/GroupByKey/Reify
    Aug 20, 2018 12:16:43 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:16:34.670Z: Fusing consumer 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Reshuffle/GroupByKey/Reify
 into 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Reshuffle/Window.Into()/Window.Assign
    Aug 20, 2018 12:16:43 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:16:34.714Z: Fusing consumer 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Values/Values/Map
 into 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Reshuffle/ExpandIterable
    Aug 20, 2018 12:16:43 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:16:34.750Z: Fusing consumer 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/FinalizeTempFileBundles/Finalize 
into 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Values/Values/Map
    Aug 20, 2018 12:16:43 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:16:34.784Z: Fusing consumer 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Add void 
key/AddKeys/Map into 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/WriteUnshardedBundles
    Aug 20, 2018 12:16:43 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:16:34.829Z: Fusing consumer 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/Window.Into()/Window.Assign
 into WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Add 
void key/AddKeys/Map
    Aug 20, 2018 12:16:43 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:16:34.873Z: 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
    Aug 20, 2018 12:16:43 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:16:34.917Z: Fusing consumer 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/GroupUnwritten/Reify
 into 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/WriteUnshardedBundles
    Aug 20, 2018 12:16:43 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:16:34.951Z: Fusing consumer Window.Into()/Window.Assign 
into ParDo(AddTimestamp)
    Aug 20, 2018 12:16:43 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:16:34.995Z: Fusing consumer 
WordCount.CountWords/Count.PerElement/Combine.perKey(Count)/Combine.GroupedValues
 into 
WordCount.CountWords/Count.PerElement/Combine.perKey(Count)/GroupByKey/Read
    Aug 20, 2018 12:16:43 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:16:35.040Z: 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
    Aug 20, 2018 12:16:43 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:16:35.075Z: Fusing consumer 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/WriteUnwritten
 into 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/GroupUnwritten/GroupByWindow
    Aug 20, 2018 12:16:43 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:16:35.119Z: Fusing consumer 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/GroupUnwritten/Write
 into 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/GroupUnwritten/Reify
    Aug 20, 2018 12:16:43 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:16:35.163Z: Fusing consumer 
WordCount.CountWords/Count.PerElement/Combine.perKey(Count)/GroupByKey/Write 
into 
WordCount.CountWords/Count.PerElement/Combine.perKey(Count)/GroupByKey/Reify
    Aug 20, 2018 12:16:43 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:16:35.208Z: Fusing consumer MapElements/Map into 
WordCount.CountWords/Count.PerElement/Combine.perKey(Count)/Combine.GroupedValues/Extract
    Aug 20, 2018 12:16:43 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:16:35.253Z: Fusing consumer ParDo(AddTimestamp) into 
TextIO.Read/Read
    Aug 20, 2018 12:16:43 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:16:35.294Z: Fusing consumer 
WordCount.CountWords/ParDo(ExtractWords) into Window.Into()/Window.Assign
    Aug 20, 2018 12:16:43 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:16:35.339Z: Fusing consumer 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/DropShardNum
 into 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/WriteUnwritten
    Aug 20, 2018 12:16:43 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:16:35.379Z: Fusing consumer 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/WriteUnshardedBundles
 into MapElements/Map
    Aug 20, 2018 12:16:43 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:16:35.427Z: Fusing consumer 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/GroupUnwritten/GroupByWindow
 into 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/GroupUnwritten/Read
    Aug 20, 2018 12:16:43 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:16:35.465Z: Fusing consumer 
WordCount.CountWords/Count.PerElement/Init/Map into 
WordCount.CountWords/ParDo(ExtractWords)
    Aug 20, 2018 12:16:43 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:16:35.543Z: Fusing consumer 
WordCount.CountWords/Count.PerElement/Combine.perKey(Count)/Combine.GroupedValues/Extract
 into 
WordCount.CountWords/Count.PerElement/Combine.perKey(Count)/Combine.GroupedValues
    Aug 20, 2018 12:16:43 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:16:35.968Z: Executing operation 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/GroupUnwritten/Create
    Aug 20, 2018 12:16:43 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:16:35.993Z: Executing operation 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/GroupByKey/Create
    Aug 20, 2018 12:16:43 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:16:36.025Z: Executing operation 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Reshuffle/GroupByKey/Create
    Aug 20, 2018 12:16:43 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:16:36.060Z: Executing operation 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Reshuffle/GroupByKey/Create
    Aug 20, 2018 12:16:43 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:16:36.072Z: Starting 1 workers in us-central1-b...
    Aug 20, 2018 12:16:43 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:16:36.094Z: Executing operation 
WordCount.CountWords/Count.PerElement/Combine.perKey(Count)/GroupByKey/Create
    Aug 20, 2018 12:16:43 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:16:36.442Z: 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
    Aug 20, 2018 12:16:44 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:16:44.571Z: Autoscaling: Raised the number of workers 
to 0 based on the rate of progress in the currently running step(s).
    Aug 20, 2018 12:17:01 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:17:00.946Z: Autoscaling: Raised the number of workers 
to 1 based on the rate of progress in the currently running step(s).
    Aug 20, 2018 12:17:01 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:17:00.984Z: Autoscaling: Would further reduce the 
number of workers but reached the minimum number allowed for the job.
    Aug 20, 2018 12:17:18 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:17:18.243Z: Workers have started successfully.
    Aug 20, 2018 12:17:18 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:17:18.288Z: Workers have started successfully.
    Aug 20, 2018 12:17:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:17:34.322Z: Executing operation 
WordCount.CountWords/Count.PerElement/Combine.perKey(Count)/GroupByKey/Close
    Aug 20, 2018 12:17:35 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:17:34.417Z: Executing operation 
WordCount.CountWords/Count.PerElement/Combine.perKey(Count)/GroupByKey/Read+WordCount.CountWords/Count.PerElement/Combine.perKey(Count)/Combine.GroupedValues+WordCount.CountWords/Count.PerElement/Combine.perKey(Count)/Combine.GroupedValues/Extract+MapElements/Map+WriteOneFilePerWindow/TextIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/WriteUnshardedBundles+WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Add
 void 
key/AddKeys/Map+WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/Window.Into()/Window.Assign+WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/GroupByKey/Reify+WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/GroupByKey/Write+WriteOneFilePerWindow/TextIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/GroupUnwritten/Reify+WriteOneFilePerWindow/TextIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/GroupUnwritten/Write
    Aug 20, 2018 12:17:47 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:17:45.617Z: Executing operation 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/GroupUnwritten/Close
    Aug 20, 2018 12:17:47 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:17:45.706Z: Executing operation 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/GroupUnwritten/Read+WriteOneFilePerWindow/TextIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/GroupUnwritten/GroupByWindow+WriteOneFilePerWindow/TextIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/WriteUnwritten+WriteOneFilePerWindow/TextIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/DropShardNum+WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Add
 void 
key/AddKeys/Map+WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/Window.Into()/Window.Assign+WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/GroupByKey/Reify+WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/GroupByKey/Write
    Aug 20, 2018 12:17:49 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:17:47.818Z: Executing operation 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/GroupByKey/Close
    Aug 20, 2018 12:17:49 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:17:47.908Z: 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
    Aug 20, 2018 12:17:54 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:17:54.280Z: Executing operation 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Reshuffle/GroupByKey/Close
    Aug 20, 2018 12:17:54 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:17:54.369Z: 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
    Aug 20, 2018 12:18:02 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:17:59.507Z: Executing operation 
WriteOneFilePerWindow/TextIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Reshuffle/GroupByKey/Close
    Aug 20, 2018 12:18:02 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:17:59.590Z: 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
    Aug 20, 2018 12:18:04 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:18:03.850Z: Cleaning up.
    Aug 20, 2018 12:18:04 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:18:03.947Z: Stopping worker pool...
    Aug 20, 2018 12:20:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:20:05.583Z: Autoscaling: Resized worker pool from 1 to 
0.
    Aug 20, 2018 12:20:07 AM 
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
    INFO: 2018-08-20T00:20:05.617Z: Autoscaling: Would further reduce the 
number of workers but reached the minimum number allowed for the job.
    Aug 20, 2018 12:20:13 AM 
org.apache.beam.runners.dataflow.DataflowPipelineJob waitUntilFinish
    INFO: Job 2018-08-19_17_16_26-3881464120808931553 finished with status DONE.
    Aug 20, 2018 12:20:13 AM 
org.apache.beam.runners.dataflow.TestDataflowRunner checkForPAssertSuccess
    INFO: Success result for Dataflow job 
2018-08-19_17_16_26-3881464120808931553. Found 0 success, 0 failures out of 0 
expected assertions.
    Aug 20, 2018 12:20:15 AM 
org.apache.beam.runners.dataflow.DataflowPipelineJob waitUntilFinish
    INFO: Job 2018-08-19_17_16_26-3881464120808931553 finished with status DONE.

Gradle Test Executor 94 finished executing tests.

> Task :beam-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 (0.004 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 ':beam-runners-google-cloud-dataflow-java-examples:preCommit'
:beam-runners-google-cloud-dataflow-java-examples:preCommit (Thread[Task worker 
for ':' Thread 2,5,main]) completed. Took 11 mins 38.708 secs.
:beam-examples-java:preCommit (Thread[Task worker for ':' Thread 2,5,main]) 
started.
:beam-runners-google-cloud-dataflow-java-examples:test (Thread[Task worker for 
':' Thread 8,5,main]) started.

> Task :beam-examples-java:preCommit
Skipping task ':beam-examples-java:preCommit' as it has no actions.
:beam-examples-java:preCommit (Thread[Task worker for ':' Thread 2,5,main]) 
completed. Took 0.0 secs.

> Task :beam-runners-google-cloud-dataflow-java-examples:test NO-SOURCE
Skipping task ':beam-runners-google-cloud-dataflow-java-examples:test' as it 
has no source files and no previous output files.
:beam-runners-google-cloud-dataflow-java-examples:test (Thread[Task worker for 
':' Thread 8,5,main]) completed. Took 0.002 secs.
:beam-runners-google-cloud-dataflow-java-examples:check (Thread[Task worker for 
':' Thread 8,5,main]) started.

> Task :beam-runners-google-cloud-dataflow-java-examples:check
Skipping task ':beam-runners-google-cloud-dataflow-java-examples:check' as it 
has no actions.
:beam-runners-google-cloud-dataflow-java-examples:check (Thread[Task worker for 
':' Thread 8,5,main]) completed. Took 0.0 secs.
:beam-runners-google-cloud-dataflow-java-examples:build (Thread[Task worker for 
':' Thread 4,5,main]) started.

> Task :beam-runners-google-cloud-dataflow-java-examples:build
Skipping task ':beam-runners-google-cloud-dataflow-java-examples:build' as it 
has no actions.
:beam-runners-google-cloud-dataflow-java-examples:build (Thread[Task worker for 
':' Thread 4,5,main]) completed. Took 0.0 secs.
:beam-runners-google-cloud-dataflow-java-examples:buildDependents 
(Thread[Daemon worker,5,main]) started.

> Task :beam-runners-google-cloud-dataflow-java-examples:buildDependents
Caching disabled for task 
':beam-runners-google-cloud-dataflow-java-examples:buildDependents': Caching 
has not been enabled for the task
Task ':beam-runners-google-cloud-dataflow-java-examples:buildDependents' is not 
up-to-date because:
  Task has not declared any outputs despite executing actions.
:beam-runners-google-cloud-dataflow-java-examples:buildDependents 
(Thread[Daemon worker,5,main]) completed. Took 0.0 secs.
:beam-examples-java:buildDependents (Thread[Daemon worker,5,main]) started.
:beam-runners-google-cloud-dataflow-java:buildDependents (Thread[Task worker 
for ':' Thread 8,5,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[Daemon worker,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 8,5,main]) completed. Took 0.0 secs.
:beam-sdks-java-io-google-cloud-platform:buildDependents (Thread[Task worker 
for ':' Thread 8,5,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 8,5,main]) completed. Took 0.0 secs.
:beam-sdks-java-extensions-protobuf:buildDependents (Thread[Task worker for ':' 
Thread 4,5,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 4,5,main]) completed. Took 0.0 secs.

FAILURE: Build completed with 2 failures.

1: Task failed with an exception.
-----------
* What went wrong:
Execution failed for task ':beam-runners-apex:compileTestJava'.
> Compilation failed with exit code 1; see the compiler error output for 
> details.

* 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-io-mqtt:test'.
> There were failing tests. See the report at: 
> file://<https://builds.apache.org/job/beam_PreCommit_Java_Cron/ws/src/sdks/java/io/mqtt/build/reports/tests/test/index.html>

* Try:
Run with --stacktrace option to get the stack trace. Run with --debug option to 
get more log output. Run with --scan to get full insights.
==============================================================================

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

Deprecated Gradle features were used in this build, making it incompatible with 
Gradle 5.0.
See 
https://docs.gradle.org/4.8/userguide/command_line_interface.html#sec:command_line_warnings

BUILD FAILED in 19m 52s
796 actionable tasks: 791 executed, 5 from cache

Publishing build scan...
https://gradle.com/s/zfike4f7clyvu

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

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