uncleGen commented on a change in pull request #24400: [SPARK-27503][DStream]
JobGenerator thread exit for some fatal errors but application keeps running
URL: https://github.com/apache/spark/pull/24400#discussion_r276565965
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File path: core/src/main/scala/org/apache/spark/util/EventLoop.scala
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@@ -100,7 +100,11 @@ private[spark] abstract class EventLoop[E](name: String)
extends Logging {
* Put the event into the event queue. The event thread will process it
later.
*/
def post(event: E): Unit = {
- eventQueue.put(event)
+ if (eventThread.isAlive && !stopped.get) {
+ eventQueue.put(event)
+ } else {
+ onError(new IllegalStateException(s"$name has already been stopped."))
+ }
Review comment:
here we only need to report thread stopped. There is no exception messages,
but it is fine because thread will throw exception when exit.
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