mjsax commented on code in PR #15485:
URL: https://github.com/apache/kafka/pull/15485#discussion_r1515287246
##########
streams/src/main/java/org/apache/kafka/streams/processor/internals/StreamsPartitionAssignor.java:
##########
@@ -628,7 +628,7 @@ private boolean assignTasksToClients(final Cluster
fullMetadata,
log.info("{} client nodes and {} consumers participating in this
rebalance: \n{}.",
clientStates.size(),
-
clientStates.values().stream().map(ClientState::capacity).reduce(Integer::sum),
+
clientStates.values().stream().map(ClientState::capacity).reduce(Integer::sum).orElse(0),
Review Comment:
Minor fix: It's an `Optional` and the log currently say:
```
5 client nodes and Optional[10] consumers participating in this rebalance
```
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