解決JPA遇到The bean 'xxxxx', defined in null, could not be registered. A bean with that name has already ...報錯問題

本文轉載自查看原文 2020-06-13 11:42 2728 JAVA

在使用JPA的Repository時候，本地啟動服務沒問題，放到集成環境上發生了以下報錯：

Description:

The bean 'XXXRepository', defined in null, could not be registered. A bean with that name has already been defined in null and overriding is disabled.

Action:

Consider renaming one of the beans or enabling overriding by setting spring.main.allow-bean-definition-overriding=true

首先考慮是不是真的命名了重復類名的XXXRepository，逐一排查發現並沒有，但是發現了一個存疑的地方，在打了@Configuration注解的Config類中，還有這么兩個注解：

@EnableCafJpaRepositories("com.XX.XXX.repository")
@EntityScan("com.XX.XXX.entity")

由於我有兩個不同工程的服務使用了同一個實體，這兩個工程在com.XX.XXX.entity中的Entity類名和包名都是相同的，於是猜測會不會是因為Entity的包名和類名重復了，導致報錯，遂將其中一工程包名改為com.XX.XXX.XXXX.repository和com.XX.XXX.XXXX.entity，將新jar包放到集成環境，啟動服務，啟動成功！

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