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No qualifying bean of typeのエラー対処法

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No qualifying bean of typeのエラーが出た時の対処法です。

@Componentなどはしっかりついていることは確認済み

ここで調べるべきはファイルの構成。
Spring bootでは@ComponentScanもしくは@SpringBootApplicationアノテーションがついたクラスからその配下のクラスを読んでいく。

つまり@ComponentScanもしくは@SpringBootApplicationアノテーションがついたクラスと同じパッケージ内に@Componentアノテーションのついたクラスを配置しなければならない。

そうなのか〜

参考

ありがとうございました
Spring BootでNo qualifying bean of typeが出た時の原因と対応

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