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https://issues.apache.org/jira/browse/FLINK-13822?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jark Wu closed FLINK-13822.
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Resolution: Duplicate
> TableAggregateITCase.testGroupByFlatAggregate test failure:
> IllegalStateException: Concurrent access to KryoSerializer.
> -----------------------------------------------------------------------------------------------------------------------
>
> Key: FLINK-13822
> URL: https://issues.apache.org/jira/browse/FLINK-13822
> Project: Flink
> Issue Type: Bug
> Reporter: Alex
> Priority: Major
>
> {code}
> [ERROR]
> testGroupByFlatAggregate[StateBackend=HEAP](org.apache.flink.table.planner.runtime.stream.table.TableAggregateITCase)
> Time elapsed: 0.643 s <<< ERROR!
> org.apache.flink.runtime.client.JobExecutionException: Job execution failed.
> at
> org.apache.flink.table.planner.runtime.stream.table.TableAggregateITCase.testGroupByFlatAggregate(TableAggregateITCase.scala:59)
> Caused by: java.lang.IllegalStateException: Concurrent access to
> KryoSerializer. Thread 1: GroupTableAggregate -> Calc(select=[b AS category,
> f0 AS v1, f1 AS v2]) -> SinkConversionToTuple2 (1/4) , Thread 2:
> AsyncOperations-thread-1
> {code}
> CI log: https://api.travis-ci.com/v3/job/227362742/log.txt
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