Jason918 commented on code in PR #15051:
URL: https://github.com/apache/pulsar/pull/15051#discussion_r846947659
##########
pulsar-broker/src/main/java/org/apache/pulsar/broker/service/ServerCnx.java:
##########
@@ -992,32 +992,29 @@ protected void handleSubscribe(final CommandSubscribe
subscribe) {
}
if (existingConsumerFuture != null) {
- if (existingConsumerFuture.isDone() &&
!existingConsumerFuture.isCompletedExceptionally()) {
- Consumer consumer =
existingConsumerFuture.getNow(null);
- log.info("[{}] Consumer with the same id is already
created:"
- + " consumerId={}, consumer={}",
- remoteAddress, consumerId, consumer);
- commandSender.sendSuccessResponse(requestId);
- return null;
- } else {
+ if (!existingConsumerFuture.isDone()){
// There was an early request to create a consumer
with same consumerId. This can happen
// when
// client timeout is lower the broker timeouts. We
need to wait until the previous
// consumer
// creation request either complete or fails.
log.warn("[{}][{}][{}] Consumer with id is already
present on the connection,"
- + " consumerId={}", remoteAddress, topicName,
subscriptionName, consumerId);
- ServerError error = null;
- if (!existingConsumerFuture.isDone()) {
- error = ServerError.ServiceNotReady;
- } else {
- error = getErrorCode(existingConsumerFuture);
- consumers.remove(consumerId,
existingConsumerFuture);
- }
- commandSender.sendErrorResponse(requestId, error,
+ + " consumerId={}", remoteAddress, topicName,
subscriptionName, consumerId);
+ commandSender.sendErrorResponse(requestId,
ServerError.ServiceNotReady,
"Consumer is already present on the
connection");
- return null;
+ } else if
(existingConsumerFuture.isCompletedExceptionally()){
+ ServerError error =
getErrorCode(existingConsumerFuture);
Review Comment:
Better to keep the warning log here too.
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