Bughue commented on code in PR #6998:
URL: https://github.com/apache/incubator-seata/pull/6998#discussion_r1967001884


##########
core/src/main/java/org/apache/seata/core/rpc/netty/AbstractNettyRemoting.java:
##########
@@ -173,6 +175,12 @@ protected Object sendSync(Channel channel, RpcMessage 
rpcMessage, long timeoutMi
             LOGGER.warn("sendSync nothing, caused by null channel.");
             return null;
         }
+        if (MsgVersionHelper.versionNotSupport(channel, rpcMessage)) {
+            if (LOGGER.isDebugEnabled()) {
+                LOGGER.debug("Message sending will be skipped as the client 
version does not support it,{}", rpcMessage);
+            }
+            return new VersionNotSupportMessage();

Review Comment:
   If an exception is thrown, the server may abort the current execution. In 
that case, the message-sending step should be skipped, yet still considered 
successfully completed.



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