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author | Josh Rosen <joshrosen@databricks.com> | 2015-11-15 22:38:30 -0800 |
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committer | Josh Rosen <joshrosen@databricks.com> | 2015-11-15 22:38:30 -0800 |
commit | fd50fa4c3eff42e8adeeabe399ddba0edac930c8 (patch) | |
tree | 551342245be432b8fdc6288519e919aedf4b3213 /core | |
parent | b58765caa6d7e6933050565c5d423c45e7e70ba6 (diff) | |
download | spark-fd50fa4c3eff42e8adeeabe399ddba0edac930c8.tar.gz spark-fd50fa4c3eff42e8adeeabe399ddba0edac930c8.tar.bz2 spark-fd50fa4c3eff42e8adeeabe399ddba0edac930c8.zip |
Revert "[SPARK-11572] Exit AsynchronousListenerBus thread when stop() is called"
This reverts commit 3e0a6cf1e02a19b37c68d3026415d53bb57a576b.
Diffstat (limited to 'core')
-rw-r--r-- | core/src/main/scala/org/apache/spark/util/AsynchronousListenerBus.scala | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/core/src/main/scala/org/apache/spark/util/AsynchronousListenerBus.scala b/core/src/main/scala/org/apache/spark/util/AsynchronousListenerBus.scala index b3b54af972..c20627b056 100644 --- a/core/src/main/scala/org/apache/spark/util/AsynchronousListenerBus.scala +++ b/core/src/main/scala/org/apache/spark/util/AsynchronousListenerBus.scala @@ -66,12 +66,15 @@ private[spark] abstract class AsynchronousListenerBus[L <: AnyRef, E](name: Stri processingEvent = true } try { - if (stopped.get()) { + val event = eventQueue.poll + if (event == null) { // Get out of the while loop and shutdown the daemon thread + if (!stopped.get) { + throw new IllegalStateException("Polling `null` from eventQueue means" + + " the listener bus has been stopped. So `stopped` must be true") + } return } - val event = eventQueue.poll - assert(event != null, "event queue was empty but the listener bus was not stopped") postToAll(event) } finally { self.synchronized { |