hvanhovell commented on code in PR #42069:
URL: https://github.com/apache/spark/pull/42069#discussion_r1278217655
##########
core/src/main/scala/org/apache/spark/executor/Executor.scala:
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@@ -548,6 +554,9 @@ private[spark] class Executor(
taskDescription.artifacts.jars,
taskDescription.artifacts.archives,
isolatedSession)
+ // Always reset the thread class loader to ensure if any updates, all
threads (not only
+ // the thread that updated the dependencies) can update to the new
class loader.
+
Thread.currentThread.setContextClassLoader(isolatedSession.replClassLoader)
Review Comment:
I am pretty sure we do this else where as well.
Are you also unsetting it once you are done?
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