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https://issues.apache.org/jira/browse/FLINK-13020?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16874602#comment-16874602
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Yun Tang commented on FLINK-13020:
----------------------------------
I think this is duplicated with FLINK-12916.
> UT Failure: ChainLengthDecreaseTest
> -----------------------------------
>
> Key: FLINK-13020
> URL: https://issues.apache.org/jira/browse/FLINK-13020
> Project: Flink
> Issue Type: Improvement
> Reporter: Bowen Li
> Priority: Major
> Fix For: 1.9.0
>
>
> {code:java}
> 05:47:24.893 [ERROR] Tests run: 7, Failures: 0, Errors: 1, Skipped: 0, Time
> elapsed: 19.836 s <<< FAILURE! - in
> org.apache.flink.test.state.operator.restore.unkeyed.ChainLengthDecreaseTest
> 05:47:24.895 [ERROR] testMigrationAndRestore[Migrate Savepoint:
> 1.3](org.apache.flink.test.state.operator.restore.unkeyed.ChainLengthDecreaseTest)
> Time elapsed: 1.501 s <<< ERROR!
> java.util.concurrent.ExecutionException:
> java.util.concurrent.CompletionException:
> org.apache.flink.runtime.checkpoint.CheckpointException: Task received
> cancellation from one of its inputs
> Caused by: java.util.concurrent.CompletionException:
> org.apache.flink.runtime.checkpoint.CheckpointException: Task received
> cancellation from one of its inputs
> Caused by: org.apache.flink.runtime.checkpoint.CheckpointException: Task
> received cancellation from one of its inputs
> Caused by: org.apache.flink.runtime.checkpoint.CheckpointException: Task
> received cancellation from one of its inputs
> ...
> 05:48:27.736 [ERROR] Errors:
> 05:48:27.736 [ERROR]
> ChainLengthDecreaseTest>AbstractOperatorRestoreTestBase.testMigrationAndRestore:102->AbstractOperatorRestoreTestBase.migrateJob:138
> ยป Execution
> 05:48:27.736 [INFO]
> {code}
> https://travis-ci.org/apache/flink/jobs/551053821
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