See
<https://ci-beam.apache.org/job/beam_PostCommit_Java_Nexmark_Dataflow/6187/display/redirect>
Changes:
------------------------------------------
[...truncated 1.18 MB...]
0010 query:LOG_TO_SHARDED_FILES; exportSummaryToBigQuery:true;
numEvents:10000000
0011 query:USER_SESSIONS; exportSummaryToBigQuery:true; numEvents:10000000
0012 query:PROCESSING_TIME_WINDOWS; exportSummaryToBigQuery:true;
numEvents:10000000
0013 query:BOUNDED_SIDE_INPUT_JOIN; exportSummaryToBigQuery:true;
numEvents:10000000
0014 query:SESSION_SIDE_INPUT_JOIN; exportSummaryToBigQuery:true;
numEvents:10000000
Performance:
Conf Runtime(sec) (Baseline) Events(/sec) (Baseline) Results
(Baseline)
0000 -1.0 -1.0 -1
*** Job was unexpectedly updated ***
0001 -1.0 -1.0 -1
*** Job was unexpectedly updated ***
0002 -1.0 -1.0 -1
*** Job was unexpectedly updated ***
0003 *** not run ***
0004 *** not run ***
0005 *** not run ***
0006 *** not run ***
0007 *** not run ***
0008 *** not run ***
0009 *** not run ***
0010 *** not run ***
0011 *** not run ***
0012 *** not run ***
0013 -1.0 -1.0 -1
*** Job was unexpectedly updated ***
0014 *** not run ***
==========================================================================================
Aug 17, 2020 6:14:50 AM org.apache.beam.runners.dataflow.DataflowPipelineJob
logTerminalState
INFO: Job 2020-08-16_23_14_30-11840670753155400246 failed with status FAILED.
2020-08-17T06:14:50.566Z Waiting for main pipeline to 'finish'
2020-08-17T06:14:50.566Z FAILED SqlQuery7
Aug 17, 2020 6:14:50 AM org.apache.beam.sdk.testutils.metrics.MetricsReader
getCounterMetric
SEVERE: Failed to get metric event.elements, from namespace SqlQuery7.Events
Aug 17, 2020 6:14:50 AM org.apache.beam.sdk.testutils.metrics.MetricsReader
getCounterMetric
SEVERE: Failed to get metric event.bytes, from namespace SqlQuery7.Events
Aug 17, 2020 6:14:50 AM org.apache.beam.sdk.testutils.metrics.MetricsReader
getCounterMetric
SEVERE: Failed to get metric result.elements, from namespace SqlQuery7.Results
Aug 17, 2020 6:14:50 AM org.apache.beam.sdk.testutils.metrics.MetricsReader
getCounterMetric
SEVERE: Failed to get metric result.bytes, from namespace SqlQuery7.Results
==========================================================================================
Run started 2020-08-17T06:14:20.409Z and ran for PT30.281S
Default configuration:
{"debug":true,"query":null,"sourceType":"DIRECT","sinkType":"DEVNULL","exportSummaryToBigQuery":false,"pubSubMode":"COMBINED","sideInputType":"DIRECT","sideInputRowCount":500,"sideInputNumShards":3,"sideInputUrl":null,"sessionGap":{"standardDays":0,"standardHours":0,"standardMinutes":10,"standardSeconds":600,"millis":600000},"numEvents":100000,"numEventGenerators":100,"rateShape":"SINE","firstEventRate":10000,"nextEventRate":10000,"rateUnit":"PER_SECOND","ratePeriodSec":600,"preloadSeconds":0,"streamTimeout":240,"isRateLimited":false,"useWallclockEventTime":false,"avgPersonByteSize":200,"avgAuctionByteSize":500,"avgBidByteSize":100,"hotAuctionRatio":2,"hotSellersRatio":4,"hotBiddersRatio":4,"windowSizeSec":10,"windowPeriodSec":5,"watermarkHoldbackSec":0,"numInFlightAuctions":100,"numActivePeople":1000,"coderStrategy":"HAND","cpuDelayMs":0,"diskBusyBytes":0,"auctionSkip":123,"fanout":5,"maxAuctionsWaitingTime":600,"occasionalDelaySec":3,"probDelayedEvent":0.1,"maxLogEvents":100000,"usePubsubPublishTime":false,"outOfOrderGroupSize":1}
Configurations:
Conf Description
0000 query:PASSTHROUGH; exportSummaryToBigQuery:true; numEvents:10000000
0001 query:CURRENCY_CONVERSION; exportSummaryToBigQuery:true;
numEvents:10000000
0002 query:SELECTION; exportSummaryToBigQuery:true; numEvents:10000000
0003 query:LOCAL_ITEM_SUGGESTION; exportSummaryToBigQuery:true;
numEvents:10000000
0004 query:AVERAGE_PRICE_FOR_CATEGORY; exportSummaryToBigQuery:true;
numEvents:1000000
0005 query:HOT_ITEMS; exportSummaryToBigQuery:true; numEvents:10000000
0006 query:AVERAGE_SELLING_PRICE_BY_SELLER; exportSummaryToBigQuery:true;
numEvents:1000000
0007 query:HIGHEST_BID; exportSummaryToBigQuery:true; numEvents:10000000
0008 query:MONITOR_NEW_USERS; exportSummaryToBigQuery:true;
numEvents:10000000
0009 query:WINNING_BIDS; exportSummaryToBigQuery:true; numEvents:1000000
0010 query:LOG_TO_SHARDED_FILES; exportSummaryToBigQuery:true;
numEvents:10000000
0011 query:USER_SESSIONS; exportSummaryToBigQuery:true; numEvents:10000000
0012 query:PROCESSING_TIME_WINDOWS; exportSummaryToBigQuery:true;
numEvents:10000000
0013 query:BOUNDED_SIDE_INPUT_JOIN; exportSummaryToBigQuery:true;
numEvents:10000000
0014 query:SESSION_SIDE_INPUT_JOIN; exportSummaryToBigQuery:true;
numEvents:10000000
Performance:
Conf Runtime(sec) (Baseline) Events(/sec) (Baseline) Results
(Baseline)
0000 -1.0 -1.0 -1
*** Job was unexpectedly updated ***
0001 -1.0 -1.0 -1
*** Job was unexpectedly updated ***
0002 -1.0 -1.0 -1
*** Job was unexpectedly updated ***
0003 *** not run ***
0004 *** not run ***
0005 *** not run ***
0006 *** not run ***
0007 -1.0 -1.0 -1
*** Job was unexpectedly updated ***
0008 *** not run ***
0009 *** not run ***
0010 *** not run ***
0011 *** not run ***
0012 *** not run ***
0013 -1.0 -1.0 -1
*** Job was unexpectedly updated ***
0014 *** not run ***
==========================================================================================
Aug 17, 2020 6:15:05 AM
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
INFO: 2020-08-17T06:15:04.748Z: Autoscaling: Raised the number of ****s to 3
based on the rate of progress in the currently running stage(s).
Aug 17, 2020 6:15:05 AM
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
INFO: 2020-08-17T06:15:04.784Z: Resized **** pool to 3, though goal was 4.
This could be a quota issue.
Aug 17, 2020 6:15:10 AM
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
INFO: 2020-08-17T06:15:10.209Z: Autoscaling: Raised the number of ****s to 4
based on the rate of progress in the currently running stage(s).
Aug 17, 2020 6:15:26 AM
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
INFO: 2020-08-17T06:15:25.031Z: Workers have started successfully.
Aug 17, 2020 6:15:26 AM
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
INFO: 2020-08-17T06:15:25.067Z: Workers have started successfully.
Aug 17, 2020 6:16:18 AM
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
INFO: 2020-08-17T06:16:17.535Z: Finished operation
SqlQuery3.ReadBounded+SqlQuery3/SqlQuery3.Monitor+SqlQuery3/SqlQuery3.Snoop+SqlQuery3/SqlQuery3/Window.Into()/Window.Assign+SqlQuery3/SqlQuery3/SqlQuery3.Filter.Auction/ParDo(Anonymous)+SqlQuery3/SqlQuery3/SqlQuery3.Filter.Person/ParDo(Anonymous)+SqlQuery3/SqlQuery3/SqlQuery3.ToRecords.Auction/ParDo(Anonymous)+SqlQuery3/SqlQuery3/SqlTransform/BeamIOSourceRel_35/Convert.ConvertTransform/ParDo(Anonymous)+SqlQuery3/SqlQuery3/SqlTransform/BeamCalcRel_1560/ParDo(Calc)+SqlQuery3/SqlQuery3/SqlTransform/BeamCoGBKJoinRel_1562/Join.Impl/CoGroup.ExpandCrossProduct/extractKeylhs+SqlQuery3/SqlQuery3/SqlQuery3.ToRecords.Person/ParDo(Anonymous)+SqlQuery3/SqlQuery3/SqlTransform/BeamIOSourceRel_36/Convert.ConvertTransform/ParDo(Anonymous)+SqlQuery3/SqlQuery3/SqlTransform/BeamCalcRel_1561/ParDo(Calc)+SqlQuery3/SqlQuery3/SqlTransform/BeamCoGBKJoinRel_1562/Join.Impl/CoGroup.ExpandCrossProduct/extractKeyrhs+SqlQuery3/SqlQuery3/SqlTransform/BeamCoGBKJoinRel_1562/Join.Impl/CoGroup.ExpandCrossProduct/CoGroupByKey/MakeUnionTable0+SqlQuery3/SqlQuery3/SqlTransform/BeamCoGBKJoinRel_1562/Join.Impl/CoGroup.ExpandCrossProduct/CoGroupByKey/GBK/Reify+SqlQuery3/SqlQuery3/SqlTransform/BeamCoGBKJoinRel_1562/Join.Impl/CoGroup.ExpandCrossProduct/CoGroupByKey/MakeUnionTable1+SqlQuery3/SqlQuery3/SqlTransform/BeamCoGBKJoinRel_1562/Join.Impl/CoGroup.ExpandCrossProduct/CoGroupByKey/GBK/Reify+SqlQuery3/SqlQuery3/SqlTransform/BeamCoGBKJoinRel_1562/Join.Impl/CoGroup.ExpandCrossProduct/CoGroupByKey/GBK/Session/Flatten+SqlQuery3/SqlQuery3/SqlTransform/BeamCoGBKJoinRel_1562/Join.Impl/CoGroup.ExpandCrossProduct/CoGroupByKey/GBK/Write
Aug 17, 2020 6:16:18 AM
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
INFO: 2020-08-17T06:16:17.609Z: Executing operation
SqlQuery3/SqlQuery3/SqlTransform/BeamCoGBKJoinRel_1562/Join.Impl/CoGroup.ExpandCrossProduct/CoGroupByKey/GBK/Close
Aug 17, 2020 6:16:18 AM
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
INFO: 2020-08-17T06:16:17.651Z: Finished operation
SqlQuery3/SqlQuery3/SqlTransform/BeamCoGBKJoinRel_1562/Join.Impl/CoGroup.ExpandCrossProduct/CoGroupByKey/GBK/Close
Aug 17, 2020 6:16:18 AM
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
INFO: 2020-08-17T06:16:17.715Z: Executing operation
SqlQuery3/SqlQuery3/SqlTransform/BeamCoGBKJoinRel_1562/Join.Impl/CoGroup.ExpandCrossProduct/CoGroupByKey/GBK/Read+SqlQuery3/SqlQuery3/SqlTransform/BeamCoGBKJoinRel_1562/Join.Impl/CoGroup.ExpandCrossProduct/CoGroupByKey/GBK/GroupByWindow+SqlQuery3/SqlQuery3/SqlTransform/BeamCoGBKJoinRel_1562/Join.Impl/CoGroup.ExpandCrossProduct/CoGroupByKey/ConstructCoGbkResultFn+SqlQuery3/SqlQuery3/SqlTransform/BeamCoGBKJoinRel_1562/Join.Impl/CoGroup.ExpandCrossProduct/ParDo(ConvertCoGbkResult)+SqlQuery3/SqlQuery3/SqlTransform/BeamCoGBKJoinRel_1562/Select.Fields/ParDo(Select)+SqlQuery3/SqlQuery3/SqlTransform/BeamCalcRel_1563/ParDo(Calc)+SqlQuery3/SqlQuery3/Convert.ConvertTransform/ParDo(Anonymous)+SqlQuery3/SqlQuery3.Debug+SqlQuery3/SqlQuery3.Stamp+SqlQuery3.Format+SqlQuery3.DevNull
Aug 17, 2020 6:16:20 AM
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
INFO: 2020-08-17T06:16:20.704Z: Finished operation
SqlQuery3/SqlQuery3/SqlTransform/BeamCoGBKJoinRel_1562/Join.Impl/CoGroup.ExpandCrossProduct/CoGroupByKey/GBK/Read+SqlQuery3/SqlQuery3/SqlTransform/BeamCoGBKJoinRel_1562/Join.Impl/CoGroup.ExpandCrossProduct/CoGroupByKey/GBK/GroupByWindow+SqlQuery3/SqlQuery3/SqlTransform/BeamCoGBKJoinRel_1562/Join.Impl/CoGroup.ExpandCrossProduct/CoGroupByKey/ConstructCoGbkResultFn+SqlQuery3/SqlQuery3/SqlTransform/BeamCoGBKJoinRel_1562/Join.Impl/CoGroup.ExpandCrossProduct/ParDo(ConvertCoGbkResult)+SqlQuery3/SqlQuery3/SqlTransform/BeamCoGBKJoinRel_1562/Select.Fields/ParDo(Select)+SqlQuery3/SqlQuery3/SqlTransform/BeamCalcRel_1563/ParDo(Calc)+SqlQuery3/SqlQuery3/Convert.ConvertTransform/ParDo(Anonymous)+SqlQuery3/SqlQuery3.Debug+SqlQuery3/SqlQuery3.Stamp+SqlQuery3.Format+SqlQuery3.DevNull
Aug 17, 2020 6:16:22 AM
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
INFO: 2020-08-17T06:16:20.927Z: Cleaning up.
Aug 17, 2020 6:16:22 AM
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
INFO: 2020-08-17T06:16:21.014Z: Stopping **** pool...
Aug 17, 2020 6:17:13 AM
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
INFO: 2020-08-17T06:17:12.221Z: Autoscaling: Resized **** pool from 4 to 0.
Aug 17, 2020 6:17:13 AM
org.apache.beam.runners.dataflow.util.MonitoringUtil$LoggingHandler process
INFO: 2020-08-17T06:17:12.261Z: Worker pool stopped.
Aug 17, 2020 6:17:22 AM org.apache.beam.runners.dataflow.DataflowPipelineJob
logTerminalState
INFO: Job 2020-08-16_23_14_30-9703658769529350893 finished with status DONE.
2020-08-17T06:17:22.889Z Waiting for main pipeline to 'finish'
2020-08-17T06:17:22.889Z DONE SqlQuery3
==========================================================================================
Run started 2020-08-17T06:14:20.409Z and ran for PT182.753S
Default configuration:
{"debug":true,"query":null,"sourceType":"DIRECT","sinkType":"DEVNULL","exportSummaryToBigQuery":false,"pubSubMode":"COMBINED","sideInputType":"DIRECT","sideInputRowCount":500,"sideInputNumShards":3,"sideInputUrl":null,"sessionGap":{"standardDays":0,"standardHours":0,"standardMinutes":10,"standardSeconds":600,"millis":600000},"numEvents":100000,"numEventGenerators":100,"rateShape":"SINE","firstEventRate":10000,"nextEventRate":10000,"rateUnit":"PER_SECOND","ratePeriodSec":600,"preloadSeconds":0,"streamTimeout":240,"isRateLimited":false,"useWallclockEventTime":false,"avgPersonByteSize":200,"avgAuctionByteSize":500,"avgBidByteSize":100,"hotAuctionRatio":2,"hotSellersRatio":4,"hotBiddersRatio":4,"windowSizeSec":10,"windowPeriodSec":5,"watermarkHoldbackSec":0,"numInFlightAuctions":100,"numActivePeople":1000,"coderStrategy":"HAND","cpuDelayMs":0,"diskBusyBytes":0,"auctionSkip":123,"fanout":5,"maxAuctionsWaitingTime":600,"occasionalDelaySec":3,"probDelayedEvent":0.1,"maxLogEvents":100000,"usePubsubPublishTime":false,"outOfOrderGroupSize":1}
Configurations:
Conf Description
0000 query:PASSTHROUGH; exportSummaryToBigQuery:true; numEvents:10000000
0001 query:CURRENCY_CONVERSION; exportSummaryToBigQuery:true;
numEvents:10000000
0002 query:SELECTION; exportSummaryToBigQuery:true; numEvents:10000000
0003 query:LOCAL_ITEM_SUGGESTION; exportSummaryToBigQuery:true;
numEvents:10000000
0004 query:AVERAGE_PRICE_FOR_CATEGORY; exportSummaryToBigQuery:true;
numEvents:1000000
0005 query:HOT_ITEMS; exportSummaryToBigQuery:true; numEvents:10000000
0006 query:AVERAGE_SELLING_PRICE_BY_SELLER; exportSummaryToBigQuery:true;
numEvents:1000000
0007 query:HIGHEST_BID; exportSummaryToBigQuery:true; numEvents:10000000
0008 query:MONITOR_NEW_USERS; exportSummaryToBigQuery:true;
numEvents:10000000
0009 query:WINNING_BIDS; exportSummaryToBigQuery:true; numEvents:1000000
0010 query:LOG_TO_SHARDED_FILES; exportSummaryToBigQuery:true;
numEvents:10000000
0011 query:USER_SESSIONS; exportSummaryToBigQuery:true; numEvents:10000000
0012 query:PROCESSING_TIME_WINDOWS; exportSummaryToBigQuery:true;
numEvents:10000000
0013 query:BOUNDED_SIDE_INPUT_JOIN; exportSummaryToBigQuery:true;
numEvents:10000000
0014 query:SESSION_SIDE_INPUT_JOIN; exportSummaryToBigQuery:true;
numEvents:10000000
Performance:
Conf Runtime(sec) (Baseline) Events(/sec) (Baseline) Results
(Baseline)
0000 -1.0 -1.0 -1
*** Job was unexpectedly updated ***
0001 -1.0 -1.0 -1
*** Job was unexpectedly updated ***
0002 -1.0 -1.0 -1
*** Job was unexpectedly updated ***
0003 39.8 251540.7 9054
0004 *** not run ***
0005 *** not run ***
0006 *** not run ***
0007 -1.0 -1.0 -1
*** Job was unexpectedly updated ***
0008 *** not run ***
0009 *** not run ***
0010 *** not run ***
0011 *** not run ***
0012 *** not run ***
0013 -1.0 -1.0 -1
*** Job was unexpectedly updated ***
0014 *** not run ***
==========================================================================================
==========================================================================================
Run started 2020-08-17T06:14:20.409Z and ran for PT184.491S
Default configuration:
{"debug":true,"query":null,"sourceType":"DIRECT","sinkType":"DEVNULL","exportSummaryToBigQuery":false,"pubSubMode":"COMBINED","sideInputType":"DIRECT","sideInputRowCount":500,"sideInputNumShards":3,"sideInputUrl":null,"sessionGap":{"standardDays":0,"standardHours":0,"standardMinutes":10,"standardSeconds":600,"millis":600000},"numEvents":100000,"numEventGenerators":100,"rateShape":"SINE","firstEventRate":10000,"nextEventRate":10000,"rateUnit":"PER_SECOND","ratePeriodSec":600,"preloadSeconds":0,"streamTimeout":240,"isRateLimited":false,"useWallclockEventTime":false,"avgPersonByteSize":200,"avgAuctionByteSize":500,"avgBidByteSize":100,"hotAuctionRatio":2,"hotSellersRatio":4,"hotBiddersRatio":4,"windowSizeSec":10,"windowPeriodSec":5,"watermarkHoldbackSec":0,"numInFlightAuctions":100,"numActivePeople":1000,"coderStrategy":"HAND","cpuDelayMs":0,"diskBusyBytes":0,"auctionSkip":123,"fanout":5,"maxAuctionsWaitingTime":600,"occasionalDelaySec":3,"probDelayedEvent":0.1,"maxLogEvents":100000,"usePubsubPublishTime":false,"outOfOrderGroupSize":1}
Configurations:
Conf Description
0000 query:PASSTHROUGH; exportSummaryToBigQuery:true; numEvents:10000000
0001 query:CURRENCY_CONVERSION; exportSummaryToBigQuery:true;
numEvents:10000000
0002 query:SELECTION; exportSummaryToBigQuery:true; numEvents:10000000
0003 query:LOCAL_ITEM_SUGGESTION; exportSummaryToBigQuery:true;
numEvents:10000000
0004 query:AVERAGE_PRICE_FOR_CATEGORY; exportSummaryToBigQuery:true;
numEvents:1000000
0005 query:HOT_ITEMS; exportSummaryToBigQuery:true; numEvents:10000000
0006 query:AVERAGE_SELLING_PRICE_BY_SELLER; exportSummaryToBigQuery:true;
numEvents:1000000
0007 query:HIGHEST_BID; exportSummaryToBigQuery:true; numEvents:10000000
0008 query:MONITOR_NEW_USERS; exportSummaryToBigQuery:true;
numEvents:10000000
0009 query:WINNING_BIDS; exportSummaryToBigQuery:true; numEvents:1000000
0010 query:LOG_TO_SHARDED_FILES; exportSummaryToBigQuery:true;
numEvents:10000000
0011 query:USER_SESSIONS; exportSummaryToBigQuery:true; numEvents:10000000
0012 query:PROCESSING_TIME_WINDOWS; exportSummaryToBigQuery:true;
numEvents:10000000
0013 query:BOUNDED_SIDE_INPUT_JOIN; exportSummaryToBigQuery:true;
numEvents:10000000
0014 query:SESSION_SIDE_INPUT_JOIN; exportSummaryToBigQuery:true;
numEvents:10000000
Performance:
Conf Runtime(sec) (Baseline) Events(/sec) (Baseline) Results
(Baseline)
0000 -1.0 -1.0 -1
*** Job was unexpectedly updated ***
0001 -1.0 -1.0 -1
*** Job was unexpectedly updated ***
0002 -1.0 -1.0 -1
*** Job was unexpectedly updated ***
0003 39.8 251540.7 9054
0004 *** not run ***
0005 *** not run ***
0006 *** not run ***
0007 -1.0 -1.0 -1
*** Job was unexpectedly updated ***
0008 *** not run ***
0009 *** not run ***
0010 *** not run ***
0011 *** not run ***
0012 *** not run ***
0013 -1.0 -1.0 -1
*** Job was unexpectedly updated ***
0014 *** not run ***
==========================================================================================
Exception in thread "main" java.lang.RuntimeException: Execution was not
successful
at org.apache.beam.sdk.nexmark.Main.runAll(Main.java:182)
at org.apache.beam.sdk.nexmark.Main.main(Main.java:490)
> Task :sdks:java:testing:nexmark:run FAILED
FAILURE: Build failed with an exception.
* What went wrong:
Execution failed for task ':sdks:java:testing:nexmark:run'.
> Process 'command '/usr/lib/jvm/java-8-openjdk-amd64/bin/java'' finished with
> non-zero exit value 1
* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --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 6.0.
Use '--warning-mode all' to show the individual deprecation warnings.
See
https://docs.gradle.org/5.2.1/userguide/command_line_interface.html#sec:command_line_warnings
BUILD FAILED in 3m 9s
89 actionable tasks: 2 executed, 87 up-to-date
Publishing build scan...
https://gradle.com/s/qy4mkpgs7776y
Build step 'Invoke Gradle script' changed build result to FAILURE
Build step 'Invoke Gradle script' marked build as failure
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