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Posted to issues@spark.apache.org by "Jose Torres (JIRA)" <ji...@apache.org> on 2019/04/04 21:11:00 UTC

[jira] [Created] (SPARK-27391) deadlock in ContinuousExecution unit tests

Jose Torres created SPARK-27391:
-----------------------------------

             Summary: deadlock in ContinuousExecution unit tests
                 Key: SPARK-27391
                 URL: https://issues.apache.org/jira/browse/SPARK-27391
             Project: Spark
          Issue Type: Bug
          Components: Structured Streaming
    Affects Versions: 2.4.0
            Reporter: Jose Torres


ContinuousExecution (in the final query execution phrase) holds the lazy val lock of its IncrementalExecution for the entire duration of the (indefinite length) job. This can cause deadlocks in unit tests, which hook into internal APIs and try to instantiate other lazy vals.

 

(Note that this should not be able to affect production.)



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