[FLINK-24331] PartiallyFinishedSourcesITCase fails with "No downstream received 0 from xxx;"

• Type: Bug
• Status: Closed
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: 1.14.0, 1.15.0
• Fix Version/s: 1.14.3, 1.15.0
• Component/s: API / DataStream, Runtime / Task
• Labels: pull-request-available test-stability
• Assignee: Anton Kalashnikov
• Reporter: Xintong Song
• Created: 18/Sep/21 03:16
• Updated: 15/Dec/21 01:44
• Resolved: 22/Oct/21 10:26

Description

https://dev.azure.com/apache-flink/apache-flink/_build/results?buildId=24287&view=logs&j=4d4a0d10-fca2-5507-8eed-c07f0bdf4887&t=7b25afdf-cc6c-566f-5459-359dc2585798&l=10945

Sep 18 02:21:08 [ERROR] Tests run: 12, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 224.44 s <<< FAILURE! - in org.apache.flink.runtime.operators.lifecycle.PartiallyFinishedSourcesITCase
Sep 18 02:21:08 [ERROR] test[complex graph SINGLE_SUBTASK, failover: true, strategy: region]  Time elapsed: 28.807 s  <<< FAILURE!
Sep 18 02:21:08 java.lang.AssertionError: No downstream received 0 from 00000000000000000000000000000003[0]; received: {0=OperatorFinished 00000000000000000000000000000007/0, 1=OperatorFinished 00000000000000000000000000000007/1, 2=OperatorFinished 00000000000000000000000000000007/2, 3=OperatorFinished 00000000000000000000000000000007/3}
Sep 18 02:21:08 	at org.junit.Assert.fail(Assert.java:89)
Sep 18 02:21:08 	at org.junit.Assert.assertTrue(Assert.java:42)
Sep 18 02:21:08 	at org.apache.flink.runtime.operators.lifecycle.validation.TestJobDataFlowValidator.lambda$checkDataFlow$1(TestJobDataFlowValidator.java:96)
Sep 18 02:21:08 	at java.util.HashMap.forEach(HashMap.java:1289)
Sep 18 02:21:08 	at org.apache.flink.runtime.operators.lifecycle.validation.TestJobDataFlowValidator.checkDataFlow(TestJobDataFlowValidator.java:94)
Sep 18 02:21:08 	at org.apache.flink.runtime.operators.lifecycle.validation.TestJobDataFlowValidator.checkDataFlow(TestJobDataFlowValidator.java:62)
Sep 18 02:21:08 	at org.apache.flink.runtime.operators.lifecycle.PartiallyFinishedSourcesITCase.test(PartiallyFinishedSourcesITCase.java:139)

Issue Links

• is caused by: FLINK-21090 Add E2E/ITCase test for checkpoints after tasks finished
• links to: GitHub Pull Request #17540