有没有现成的连一些中间件的方法

[cxb999]

就是比如redis和mysql或者kafka，有没有现成的方法，可以支持链接池或者失败重试什么的，还是都需要我们自己封装咧？

[cxb999]

？为啥是无效问题

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[Guangming Luo]

按照这个模板提 issue

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