gaoyf commented on code in PR #7603:
URL: https://github.com/apache/rocketmq/pull/7603#discussion_r1418237986


##########
store/src/main/java/org/apache/rocketmq/store/timer/TimerMessageStore.java:
##########
@@ -1140,8 +1146,8 @@ public MessageExtBrokerInner convertMessage(MessageExt 
msgExt, boolean needRoll)
         } else {
             
msgInner.setTopic(msgInner.getProperty(MessageConst.PROPERTY_REAL_TOPIC));
             
msgInner.setQueueId(Integer.parseInt(msgInner.getProperty(MessageConst.PROPERTY_REAL_QUEUE_ID)));
-            MessageAccessor.clearProperty(msgInner, 
MessageConst.PROPERTY_REAL_TOPIC);
-            MessageAccessor.clearProperty(msgInner, 
MessageConst.PROPERTY_REAL_QUEUE_ID);
+            // MessageAccessor.clearProperty(msgInner, 
MessageConst.PROPERTY_REAL_TOPIC);

Review Comment:
   > Alternatively, we should add a messageAccessior.deepCopyProperties instead 
of using the same reference.
   
   Your idea looks better, although I don't think commenting out this code will 
have any impact,so I modified the code as you suggested.



##########
store/src/main/java/org/apache/rocketmq/store/timer/TimerMessageStore.java:
##########
@@ -1140,8 +1146,8 @@ public MessageExtBrokerInner convertMessage(MessageExt 
msgExt, boolean needRoll)
         } else {
             
msgInner.setTopic(msgInner.getProperty(MessageConst.PROPERTY_REAL_TOPIC));
             
msgInner.setQueueId(Integer.parseInt(msgInner.getProperty(MessageConst.PROPERTY_REAL_QUEUE_ID)));
-            MessageAccessor.clearProperty(msgInner, 
MessageConst.PROPERTY_REAL_TOPIC);
-            MessageAccessor.clearProperty(msgInner, 
MessageConst.PROPERTY_REAL_QUEUE_ID);
+            // MessageAccessor.clearProperty(msgInner, 
MessageConst.PROPERTY_REAL_TOPIC);

Review Comment:
   > Alternatively, we should add a messageAccessior.deepCopyProperties instead 
of using the same reference.
   
   Your idea looks better, although I don't think commenting out this code will 
have any impact,so I modified the code as you suggested.



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