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File: [/zh_CN/access-control/authn/mysql.md](https://www.emqx.io/docs/zh/v5.0/access-control/authn/mysql.html) 这里没有指明数据库的库名，到底mqtt_user是数据库【库名】还是【表名】 如果是库名，那边下面的查询语句中是否要执行use 库名？ 如果是表名，dashboard中的数据库是指哪个？

SpikeFJ

File: [/en_US/deploy/cluster/create-cluster.md](https://www.emqx.io/docs/en/v5/deploy/cluster/create-cluster.html) I would like to suggest that we add clarity on the following line; "To enable this feature, configure the cluster mode and node list in emqx.conf:" So we...

Zapnologica

扩展钩子返回信息不全

1

File: [/zh_CN/extensions/exhook.md](https://www.emqx.io/docs/zh/v5.0/extensions/exhook.html) 以下是取消订阅接收到的信息，根据文档描述 TopicFilters 包含要取消的主题，但是接收到的信息为空 OnClientUnsubscribe: {"Clientinfo":{"Node":"[email protected]","Clientid":"emqx_ODQwOT","Username":"bfd123c63f6f4b07ab3dba8eb777e59d","Password":"","Peerhost":"192.168.2.212","Sockport":8083,"Protocol":"mqtt","Mountpoint":"","IsSuperuser":false,"Anonymous":true,"Cn":"","Dn":""},"Props":[],"TopicFilters":[],"Meta":{"Node":"[email protected]","Version":"5.0.17","Sysdescr":"EMQX","ClusterName":"emqxcl"}}

ArcherTrister

listeners.ws.default.websocket.compress = true is unuseful!

7

EMQX version:5.0.6 question: i have modify the emqx.conf.but it seems that is unuseful,why?   

jiangxuhui

From https://github.com/emqx/emqx/issues/10168 https://docs.emqx.com/en/enterprise/v4.4/rule/rule-engine_field.html#use-rule-engine-sql-to-handle-events It could be helpful to annotate what are the types of fields like `pub_props` and `metadata` so users may construct their templates correctly.

thalesmg

获取的数据与文档描述不匹配

2

File: [/zh_CN/data-integration/rule-sql-events-and-fields.md](https://www.emqx.io/docs/zh/v5.0/data-integration/rule-sql-events-and-fields.html) 以下是hook钩子返回的数据，与文档的字段有所出入，比如Peerhost Sockport等名称不一致，还有clean_start expiry_interval这两个属性在Conninfo中未找到. {"Conninfo":{"Node":"[email protected]","Clientid":"emqx_MDI4MT","Username":"lx","Peerhost":"192.168.2.212","Sockport":8083,"ProtoName":"MQTT","ProtoVer":"5","Keepalive":60},"ResultCode":"success","Props":[{"Name":"Wildcard-Subscription-Available","Value":"1"},{"Name":"Topic-Alias-Maximum","Value":"65535"},{"Name":"Subscription-Identifier-Available","Value":"1"},{"Name":"Shared-Subscription-Available","Value":"1"},{"Name":"Retain-Available","Value":"1"},{"Name":"Maximum-Packet-Size","Value":"1048576"}],"Meta":{"Node":"[email protected]","Version":"5.0.17","Sysdescr":"EMQX","ClusterName":"emqxcl"}}

ArcherTrister

Error in Topic Subscribe

4

File: [/en_US/gateway/coap.md](https://www.emqx.io/docs/en/v5.0/gateway/coap.html) 2.05: Subscribe successfully

TomazCebekAstron

Please include details on http authorization

3

File: [/en_US/security/authz/http.md](https://www.emqx.io/docs/en/v5.0/security/authz/http.html) In particular, the role of ${peercert} is unclear. Does it exist? With regard to performance, I would like to know whether the HTTP endpoint will be called on...

simonthum

it cannot start after installing

1

File: [/zh_CN/deploy/install-centos.md](https://www.emqx.io/docs/zh/v5.0/deploy/install-centos.html) OS : centos7 EMQX Version: 5.x ERROR: /usr/lib/emqx/erts-12.3.2.2/bin/beam.smp: error while loading shared libraries: libtinfo.so.6: cannot open shared object file: No such file or directory ERROR: Please ensure it...

rocket-tsang

File: [/zh_CN/advanced/auth-jwt.md](https://www.emqx.io/docs/zh/v4.4/advanced/auth-jwt.html) 采用jwt做认证时，点击`生成`按钮的时候，提示错误 CryptoKey is not defined

tanxinwu