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Posted to commits@rocketmq.apache.org by "qshuai (via GitHub)" <gi...@apache.org> on 2023/02/06 03:55:17 UTC
[GitHub] [rocketmq-client-go] qshuai opened a new issue, #992: consumer will start failed when the subscribed topic not created
qshuai opened a new issue, #992:
URL: https://github.com/apache/rocketmq-client-go/issues/992
I hope the consumer client will hold on and start consuming when the topic created.
please add todo list!
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[GitHub] [rocketmq-client-go] qshuai commented on issue #992: consumer will start failed when the subscribed topic not created
Posted by "qshuai (via GitHub)" <gi...@apache.org>.
qshuai commented on issue #992:
URL: https://github.com/apache/rocketmq-client-go/issues/992#issuecomment-1420763904
首先消费者不应该自动创建topic，topic创建时的参数(比如queue的数量)应该由生产者来指定。
其次，如果topic不存在，consumer hold住并没有什么坏处，hold住的这个行为也和kafka一样，没有什么不妥。
另外，你说有可能topic错了，那说topic是存在的情况，不在这个讨论范围里面
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[GitHub] [rocketmq-client-go] francisoliverlee commented on issue #992: consumer will start failed when the subscribed topic not created
Posted by "francisoliverlee (via GitHub)" <gi...@apache.org>.
francisoliverlee commented on issue #992:
URL: https://github.com/apache/rocketmq-client-go/issues/992#issuecomment-1420273111
如果broker支持自动创建topic， 这个时候消费者会启动成功， 正常消费。
如果broker不支持自动创建topic，则会报topic不存在， 目前没有hold on， 有可能topic错了， 永远不会被创建， 消费者不应该一直hold on
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[GitHub] [rocketmq-client-go] qshuai commented on issue #992: consumer will start failed when the subscribed topic not created
Posted by "qshuai (via GitHub)" <gi...@apache.org>.
qshuai commented on issue #992:
URL: https://github.com/apache/rocketmq-client-go/issues/992#issuecomment-1425171380
>
我测试了一下，目前的最新代码(master)；我设置broker支持自动创建topic，当consumer subscribe一个不存在topic时，也并没有创建这个topic（报错信息: xxx route info not found, it may not exist）
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