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  1. Flink
  2. FLINK-15327

'Walkthrough DataStream Scala nightly' sometimes fails with InterruptedException

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      Description

      The "Walkthrough DataStream Scala nightly end-to-end test" (test_datastream_walkthroughs.sh) failed with the following error found in the log 

       
       

      2019-12-19 12:57:03,131 WARN  org.apache.flink.streaming.runtime.tasks.StreamTask           - Error while canceling task.
      java.lang.RuntimeException: java.lang.InterruptedException: sleep interrupted
      	at org.apache.flink.walkthrough.common.source.TransactionSource$RateLimitedIterator.next(TransactionSource.java:60)
      	at org.apache.flink.streaming.api.functions.source.FromIteratorFunction.run(FromIteratorFunction.java:43)
      	at org.apache.flink.streaming.api.operators.StreamSource.run(StreamSource.java:100)
      	at org.apache.flink.streaming.api.operators.StreamSource.run(StreamSource.java:63)
      	at org.apache.flink.streaming.runtime.tasks.SourceStreamTask$LegacySourceFunctionThread.run(SourceStreamTask.java:196)
      Caused by: java.lang.InterruptedException: sleep interrupted
      	at java.lang.Thread.sleep(Native Method)
      	at org.apache.flink.walkthrough.common.source.TransactionSource$RateLimitedIterator.next(TransactionSource.java:58)
      	... 4 more
      
      

       

      Run: https://dev.azure.com/rmetzger/Flink/_build/results?buildId=3742&view=logs&j=b1623ac9-0979-5b0d-2e5e-1377d695c991&t=48867695-c47f-5af3-2f21-7845611247b9

      I assume this error happens only rarely.
       

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            • Assignee:
              AHeise Arvid Heise
              Reporter:
              rmetzger Robert Metzger
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