koert kuipers created SPARK-8577:
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Summary: ScalaReflectionLock.synchronized can cause deadlock
Key: SPARK-8577
URL: https://issues.apache.org/jira/browse/SPARK-8577
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 1.4.0
Reporter: koert kuipers
Priority: Minor
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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