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Posted to dev@rocketmq.apache.org by GitBox <gi...@apache.org> on 2020/06/02 11:20:11 UTC
[GitHub] [rocketmq] zhgdbut opened a new issue #2066: rocketmq return SEND_OK，but the message is lose
zhgdbut opened a new issue #2066:
URL: https://github.com/apache/rocketmq/issues/2066
use this method :
this.sendDefaultImpl(msg, CommunicationMode.SYNC, null, timeout);
in org.apache.rocketmq.client.impl.producer.DefaultMQProducerImpl#sendDefaultImpl
I had send message success because it returned SEND_OK and msgId, but i can not found the message .
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[GitHub] [rocketmq] lizhanhui commented on issue #2066: rocketmq return SEND_OK，but the message is lose
Posted by GitBox <gi...@apache.org>.
lizhanhui commented on issue #2066:
URL: https://github.com/apache/rocketmq/issues/2066#issuecomment-637964667
zhgdbut,
Here is the checklist, which might be helpful to you.
1. RocketMQ supports synchronous disk flush and asynchronous disk flush
strategies. If you configured to use the latter without replication, in
case of a power outage/OS crash, it has chances, though very unlikely, to
lose one or a few messages as you configured those broker servers to ack
clients before flushing data to disk.
2. When querying messages, RocketMQ internally queries consume queues,
which are built out of commit log asynchronously. If for some reason, the
building consume-queue process lags behind, you may find the sent message
unavailable for a while. But your message will appear once the building
catches up.
Check the store.log to see if this is the case.
3. If your broker runs out of disk, it automatically deletes the
earliest data in order to keep serving, even if these old ones are never
consumed.
Either case mentioned above may lead you to the conclusion that your
message is 'lost'.
Zhanhui Li
On Tue, Jun 2, 2020 at 11:12 PM zhgdbut <no...@github.com> wrote:
> I had print return result , and use msgId query in the mqadmin, but
> nothing found!
> This kind of thing only happens once or twice。
>
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[GitHub] [rocketmq] vongosling closed issue #2066: rocketmq return SEND_OK，but the message is lose
Posted by GitBox <gi...@apache.org>.
vongosling closed issue #2066:
URL: https://github.com/apache/rocketmq/issues/2066
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[GitHub] [rocketmq] zhgdbut commented on issue #2066: rocketmq return SEND_OK，but the message is lose
Posted by GitBox <gi...@apache.org>.
zhgdbut commented on issue #2066:
URL: https://github.com/apache/rocketmq/issues/2066#issuecomment-637606420
I had print return result , and use msgId query in the mqadmin, but nothing found!
This kind of thing only happens once or twice。
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[GitHub] [rocketmq] lebron374 commented on issue #2066: rocketmq return SEND_OK，but the message is lose
Posted by GitBox <gi...@apache.org>.
lebron374 commented on issue #2066:
URL: https://github.com/apache/rocketmq/issues/2066#issuecomment-637556807
you can print the return result and print messageKey，then you can use mqadmin to query the message to check。
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