wcarlson5 commented on a change in pull request #11479:
URL: https://github.com/apache/kafka/pull/11479#discussion_r752580337
##########
File path:
streams/src/main/java/org/apache/kafka/streams/processor/internals/TopologyMetadata.java
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@@ -121,9 +164,9 @@ public void maybeWaitForNonEmptyTopology(final
Supplier<State> threadState) {
if (isEmpty() && threadState.get().isAlive()) {
try {
lock();
- while (isEmpty() && threadState.get().isAlive()) {
Review comment:
It seems that we can either leave it in a loop or expose the lock and
unlock to the stream thread. We can't just call it raw as spotbugs complains
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