liangyepianzhou commented on code in PR #20880:
URL: https://github.com/apache/pulsar/pull/20880#discussion_r1278692648
##########
pulsar-client/src/main/java/org/apache/pulsar/client/impl/TransactionMetaStoreHandler.java:
##########
@@ -167,6 +167,8 @@ public CompletableFuture<Void> connectionOpened(ClientCnx
cnx) {
return null;
});
} else {
+ LOG.warn("Can not connect to the transaction coordinator
because the protocol version {} is "
+ + "lower than 19",
cnx.getRemoteEndpointProtocolVersion());
registerToConnection(cnx);
Review Comment:
The broker version should keep consistent if the client proto version is
lower than 18.
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