count is ambiguous in Mapped Statements collection (try using the full name including the namespa...

各位老鐵們： 遇到這種問題怎麼辦？

{"callbackType":"","forwardUrl":"","message":":錯誤信息：底層異常，錯誤信息：數據庫底層異常，錯誤信息：數據操做失敗，錯誤信息：\r\n### Error querying database. Cause: java.lang.IllegalArgumentException: count is ambiguous in Mapped Statements collection (try using the full name including the namespace, or rename one of the entries)\r\n### Cause: java.lang.IllegalArgumentException: count is ambiguous in Mapped Statements collection (try using the full name including the namespace, or rename one of the entries)\ncom.etoak.demo.dao.TbTstCustomerDemoDao.findPage()[74行]

\r\ncom.etoak.demo.manager.TbTstCustomerDemoManager.findPage()[57行]
\r\ncom.etoak.demo.service.impl.CustomerdemoServiceImpl.findPage()[59行]
\r\ncom.etoak.demo.service.impl.CustomerdemoServiceImpl$FastClassByCGLIB$b96bb077.invoke()[-1行]
\r\ncom.etoak.demo.service.impl.CustomerdemoServiceImpl$EnhancerByCGLIB$66273b12.findPage()[-1行]
\r\ncom.etoak.demo.action.CustomerdemoAction.list()[91行]
\r\n\ncom.etoak.demo.manager.TbTstCustomerDemoManager.findPage()[60行]
\r\ncom.etoak.demo.service.impl.CustomerdemoServiceImpl.findPage()[59行]
\r\ncom.etoak.demo.service.impl.CustomerdemoServiceImpl$FastClassByCGLIB$b96bb077.invoke()[-1行]
\r\ncom.etoak.demo.service.impl.CustomerdemoServiceImpl$EnhancerByCGLIB$66273b12.findPage()[-1行]
\r\ncom.etoak.demo.action.CustomerdemoAction.list()[91行]

\r\n\ncom.etoak.demo.service.impl.CustomerdemoServiceImpl.findPage()[62行]
\r\ncom.etoak.demo.service.impl.CustomerdemoServiceImpl$FastClassByCGLIB$b96bb077.invoke()[-1行]
\r\ncom.etoak.demo.service.impl.CustomerdemoServiceImpl$EnhancerByCGLIB$66273b12.findPage()[-1行]
\r\ncom.etoak.demo.action.CustomerdemoAction.list()[91行]
\r\n\ncom.etoak.demo.action.CustomerdemoAction.list()[98行]
\r\n","navTabId":"020110","object":null,"pager":null,"statusCode":"300","tableId":"","totalSize":0}」
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通常的你們第一時間想到的估計是

是否是重複了，可是檢查了一遍又一遍， count 不是一個sql的 id 啊。 這怎麼會報這個錯誤呢，就開始糾結。

還有一種慶魁昂可能你沒有考慮到：

Mapper.xml沒有配置，或者命名空間錯誤，系統找不到相關的映射。

或者你的mapper文件沒有在mybatis的中得配置文件 的mapper 標籤中得resource 路徑中沒有。 制定的路徑掃描不到。