slamke commented on a change in pull request #27724: [SPARK-30973][SQL]
ScriptTransformationExec should wait for the termination …
URL: https://github.com/apache/spark/pull/27724#discussion_r388819267
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File path:
sql/hive/src/main/scala/org/apache/spark/sql/hive/execution/ScriptTransformationExec.scala
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@@ -161,6 +161,7 @@ case class ScriptTransformationExec(
if (scriptOutputReader != null) {
if (scriptOutputReader.next(scriptOutputWritable) <= 0) {
Review comment:
The process not hangs, but just in a terminating state and alive. It is
really hard to reproduce in local mode, but it happened some times in our
online cluster.
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