Parameter 0 of constructor in XXX required a bean of type ‘XXX‘ that could not be found.

時間 2021-07-11

標籤 Java Spring java spring 欄目 Java 简体版

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今天在搭建微服務項目的時候遇到了一個問題項目結構實際的場景是OperationLogService需要注入OperationLogMapper，也就是最常見的業務層依賴數據層，但是項目啓動的時候報了這個錯誤，最開始我還以爲是Mapper沒有註冊到Spring中，檢查了之後我確定Service和Mapper是沒有問題的，然後找了好久也沒有找到原因，這時候我想到會不會是Mapper沒有被掃描到？於

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1. method xxx in xxx required a bean of type 'java.lang.String' that could not be found.
2. SpringBoot 報錯Field XXX required a bean of type XXX that could not be found.
3. springboot 報錯Field XXX required a bean of type XXX that could not be found.
4. Field XXX in XXXX required a bean of type XXXX that could not be found
5. SpringBoot Field aFeign in xxxx required a bean of type 'xxx' that could not be found.
6. Parameter 1 of constructor in xxx required a bean of type xxx‘ that could not be found.已經解決
7. springboot 啓動報錯Description:Field mapper in xxx required a bean of type 'xxx' that could not be found
8. springboot 啓動報錯Field XXX required a bean of type XXX that could not be found.
9. @Mapper和@MapperScan註解，xxx required a bean of type xxx that could not be found，
10. springboot 啓動失敗Field redisClientTemplate in xxx required a bean of type 'xxx' that could not be foun
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1. method xxx in xxx required a bean of type 'java.lang.String' that could not be found.
2. SpringBoot 報錯Field XXX required a bean of type XXX that could not be found.
3. springboot 報錯Field XXX required a bean of type XXX that could not be found.
4. Field XXX in XXXX required a bean of type XXXX that could not be found
5. SpringBoot Field aFeign in xxxx required a bean of type 'xxx' that could not be found.
6. Parameter 1 of constructor in xxx required a bean of type xxx‘ that could not be found.已經解決
7. springboot 啓動報錯Description:Field mapper in xxx required a bean of type 'xxx' that could not be found
8. springboot 啓動報錯Field XXX required a bean of type XXX that could not be found.
9. @Mapper和@MapperScan註解，xxx required a bean of type xxx that could not be found，
10. springboot 啓動失敗Field redisClientTemplate in xxx required a bean of type 'xxx' that could not be foun

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