ChoMinGi commented on code in PR #22102:
URL: https://github.com/apache/kafka/pull/22102#discussion_r4007722494
##########
streams/src/main/java/org/apache/kafka/streams/processor/internals/InternalTopologyBuilder.java:
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@@ -621,7 +621,10 @@ public final void addStateStore(final StoreFactory
storeFactory,
throw new TopologyException("A different GlobalStateStore has
already been added with the name " + storeName);
}
- stateFactories.put(storeName, storeFactory);
+ // Reuse existing compatible factory to preserve
connectedProcessorNames (KAFKA-20464).
+ if (stateFactory == null || allowOverride) {
Review Comment:
@chia7712 I opened #23461 to address this. Thanks for the suggestion!
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