gaoran10 commented on a change in pull request #8563: URL: https://github.com/apache/pulsar/pull/8563#discussion_r522951764
########## File path: pulsar-client/src/main/java/org/apache/pulsar/client/impl/transaction/TransactionCoordinatorClientImpl.java ########## @@ -75,34 +76,48 @@ public void start() throws TransactionCoordinatorClientException { public CompletableFuture<Void> startAsync() { if (STATE_UPDATER.compareAndSet(this, State.NONE, State.STARTING)) { return pulsarClient.getLookup().getPartitionedTopicMetadata(TopicName.TRANSACTION_COORDINATOR_ASSIGN) - .thenAccept(partitionMeta -> { + .thenCompose(partitionMeta -> { + List<CompletableFuture<Void>> connectFutureList = new ArrayList<>(); if (LOG.isDebugEnabled()) { LOG.debug("Transaction meta store assign partition is {}.", partitionMeta.partitions); } if (partitionMeta.partitions > 0) { handlers = new TransactionMetaStoreHandler[partitionMeta.partitions]; for (int i = 0; i < partitionMeta.partitions; i++) { - TransactionMetaStoreHandler handler = new TransactionMetaStoreHandler(i, pulsarClient, - TopicName.TRANSACTION_COORDINATOR_ASSIGN.toString() + TopicName.PARTITIONED_TOPIC_SUFFIX + i); + CompletableFuture<Void> connectFuture = new CompletableFuture<>(); + connectFutureList.add(connectFuture); + TransactionMetaStoreHandler handler = new TransactionMetaStoreHandler( + i, pulsarClient, getTCAssignTopicName(i), connectFuture); handlers[i] = handler; handlerMap.put(i, handler); } } else { handlers = new TransactionMetaStoreHandler[1]; + CompletableFuture<Void> connectFuture = new CompletableFuture<>(); + connectFutureList.add(connectFuture); TransactionMetaStoreHandler handler = new TransactionMetaStoreHandler(0, pulsarClient, - TopicName.TRANSACTION_COORDINATOR_ASSIGN.toString()); + getTCAssignTopicName(-1), connectFuture); handlers[0] = handler; handlerMap.put(0, handler); } STATE_UPDATER.set(TransactionCoordinatorClientImpl.this, State.READY); + return FutureUtil.waitForAll(connectFutureList); }); } else { return FutureUtil.failedFuture(new CoordinatorClientStateException("Can not start while current state is " + state)); } } + private String getTCAssignTopicName(int partition) { + if (partition > 0) { Review comment: Ok, I'll fix this. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org