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https://issues.apache.org/jira/browse/FLINK-13740?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16908734#comment-16908734
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Jark Wu edited comment on FLINK-13740 at 8/16/19 5:43 AM:
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One possible fix is to duplicate the objSerializer in BinaryGeneric when 
{{BinaryGeneric.copy}}. 
https://github.com/apache/flink/blob/master/flink-table/flink-table-runtime-blink/src/main/java/org/apache/flink/table/dataformat/BinaryGeneric.java#L73


was (Author: jark):
One possible fix is duplicate serializer of BinaryGeneric when 
{{BinaryGeneric.copy}}. 
https://github.com/apache/flink/blob/master/flink-table/flink-table-runtime-blink/src/main/java/org/apache/flink/table/dataformat/BinaryGeneric.java#L73

> TableAggregateITCase.testNonkeyedFlatAggregate failed on Travis
> ---------------------------------------------------------------
>
>                 Key: FLINK-13740
>                 URL: https://issues.apache.org/jira/browse/FLINK-13740
>             Project: Flink
>          Issue Type: Bug
>          Components: Table SQL / Planner
>    Affects Versions: 1.10.0
>            Reporter: Till Rohrmann
>            Priority: Critical
>              Labels: test-stability
>             Fix For: 1.10.0
>
>
> The {{TableAggregateITCase.testNonkeyedFlatAggregate}} failed on Travis with 
> {code}
> org.apache.flink.runtime.client.JobExecutionException: Job execution failed.
>       at 
> org.apache.flink.table.planner.runtime.stream.table.TableAggregateITCase.testNonkeyedFlatAggregate(TableAggregateITCase.scala:93)
> Caused by: java.lang.Exception: Artificial Failure
> {code}
> https://api.travis-ci.com/v3/job/225551182/log.txt



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