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  1. Spark
  2. SPARK-8577

ScalaReflectionLock.synchronized can cause deadlock

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Details

    • Bug
    • Status: Resolved
    • Minor
    • Resolution: Not A Problem
    • 1.4.0
    • None
    • SQL
    • None

    Description

      Just a heads up, i was doing some basic coding using DataFrame, Row, StructType, etc. in my own project and i ended up with deadlocks in my sbt tests due to the usage of ScalaReflectionLock.synchronized in the spark sql code.
      the issue went away when i changed my build to have:
      parallelExecution in Test := false
      so that the tests run consecutively...

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              Unassigned Unassigned
              koert koert kuipers
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