lhotari commented on code in PR #24920:
URL: https://github.com/apache/pulsar/pull/24920#discussion_r2476514203
##########
pulsar-broker/src/main/java/org/apache/pulsar/broker/service/AbstractDispatcherSingleActiveConsumer.java:
##########
@@ -176,6 +176,11 @@ public synchronized CompletableFuture<Void>
addConsumer(Consumer consumer) {
return FutureUtil.failedFuture(new
ConsumerBusyException("Exclusive consumer is already"
+ " connected"));
} else {
+ try {
+ removeConsumer(actConsumer);
+ } catch (BrokerServiceException e) {
+ log.warn("[{}] Remove inactive exclusive consumer
{}", this.topicName, consumer);
+ }
Review Comment:
I don't think that this is the correct solution. The consumer gets removed
when the connection is closed:
https://github.com/apache/pulsar/blob/acad78c10f0c0c4756d2dd73bf729bb2f84f53e7/pulsar-broker/src/main/java/org/apache/pulsar/broker/service/ServerCnx.java#L438-L462
I'd suppose that there's a race condition that isn't properly handled.
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