tysonnorris commented on a change in pull request #4951:
URL: https://github.com/apache/openwhisk/pull/4951#discussion_r485200531
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File path:
common/scala/src/main/scala/org/apache/openwhisk/common/NestedSemaphore.scala
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@@ -100,14 +100,19 @@ class NestedSemaphore[T](memoryPermits: Int) extends
ForcibleSemaphore(memoryPer
if (maxConcurrent == 1) {
super.release(memoryPermits)
} else {
- val concurrentSlots = actionConcurrentSlotsMap(actionid)
- val (memoryRelease, actionRelease) = concurrentSlots.release(1, true)
- //concurrent slots
- if (memoryRelease) {
- super.release(memoryPermits)
- }
- if (actionRelease) {
- actionConcurrentSlotsMap.remove(actionid)
+ //This map may be recreated (multiple times) due to cluster membership
events, so don't assume the entry exists...
+ actionConcurrentSlotsMap.get(actionid) match {
Review comment:
👍
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