BewareMyPower commented on code in PR #17239:
URL: https://github.com/apache/pulsar/pull/17239#discussion_r953255225


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pulsar-client-cpp/lib/MultiTopicsConsumerImpl.cc:
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@@ -86,11 +86,14 @@ void 
MultiTopicsConsumerImpl::handleOneTopicSubscribed(Result result, Consumer c
 
     if (result != ResultOk) {
         state_ = Failed;
+        // Use the first failed result
+        auto expectedResult = ResultOk;
+        failedResult.compare_exchange_strong(expectedResult, result);

Review Comment:
   No. line 107 is in the block of `if (topicsNeedCreate->load() == 0)`, which 
means only the last time `handleOneTopicSubscribed` is called. Usually, when 
multiple topics failed to subscribe, the 1st topic would fail with the real 
reason, but the following topics would fail with `ResultAlreadyClosed`.



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