gaoyf commented on code in PR #7603:
URL: https://github.com/apache/rocketmq/pull/7603#discussion_r1413285830
##########
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:
I extracted
[TimerDequeuePutMessageService](https://github.com/apache/rocketmq/blob/develop/store/src/main/java/org/apache/rocketmq/store/timer/TimerMessageStore.java#L1486)‘s
some key codes, as follows:
```
while (!isStopped() && !doRes) {
try {
MessageExtBrokerInner msg = convert(msgExt, tr.getEnqueueTime(),
needRoll(tr.getMagic()));
doRes = PUT_NEED_RETRY != doPut(msg, needRoll(tr.getMagic()));
} catch (Throwable t) {
LOGGER.info("Unknown error", t);
}
}
```
If method `doPut` throw exception, the logic try to execute method
`convert` in a loop。
However, `MessageExtBrokerInner` and `MessageExt` hold the same Map of
`properties`,
[convertMessage](https://github.com/apache/rocketmq/blob/develop/store/src/main/java/org/apache/rocketmq/store/timer/TimerMessageStore.java#L1122)
FYI, so the following code will return null:
```
msgInner.getProperty(MessageConst.PROPERTY_REAL_TOPIC)
msgInner.getProperty(MessageConst.PROPERTY_REAL_QUEUE_ID)
```
Because property `MessageConst.PROPERTY_REAL_QUEUE_ID` has been removed in
the first execution.
**So canot remove these properties for the retry logic.**
##########
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:
I extracted
[TimerDequeuePutMessageService](https://github.com/apache/rocketmq/blob/develop/store/src/main/java/org/apache/rocketmq/store/timer/TimerMessageStore.java#L1486)‘s
some key codes, as follows:
```
while (!isStopped() && !doRes) {
try {
MessageExtBrokerInner msg = convert(msgExt, tr.getEnqueueTime(),
needRoll(tr.getMagic()));
doRes = PUT_NEED_RETRY != doPut(msg, needRoll(tr.getMagic()));
} catch (Throwable t) {
LOGGER.info("Unknown error", t);
}
}
```
If method `doPut` throw exception, the logic try to execute method
`convert` in a loop。
However, `MessageExtBrokerInner` and `MessageExt` hold the same Map of
`properties`,
[convertMessage](https://github.com/apache/rocketmq/blob/develop/store/src/main/java/org/apache/rocketmq/store/timer/TimerMessageStore.java#L1122)
FYI, so the following code will return null:
```
msgInner.getProperty(MessageConst.PROPERTY_REAL_TOPIC)
msgInner.getProperty(MessageConst.PROPERTY_REAL_QUEUE_ID)
```
Because property `MessageConst.PROPERTY_REAL_QUEUE_ID` has been removed in
the first execution.
**So canot remove these properties for the retry logic.**
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