SpringBoot启动报错The bean ‘dataSource‘, defined in class path resource

最新推荐文章于 2025-11-02 14:09:02 发布

原创最新推荐文章于 2025-11-02 14:09:02 发布 · 5.4k 阅读

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#spring boot

博客内容描述了在Spring Boot应用中遇到的数据库连接问题，具体表现为bean 'dataSource'的注册失败，原因是存在同名bean定义冲突且不允许覆盖。解决方案包括检查数据库连接配置，如用户名、密码、数据库存在性以及连接池设置，并考虑启用bean定义覆盖或重命名冲突的bean。

报错信息

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APPLICATION FAILED TO START
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Description:

The bean 'dataSource', defined in class path resource [org/springframework/boot/autoconfigure/jdbc/DataSourceConfiguration$Generic.class], could not be registered. A bean with that name has already been defined in class path resource [com/example/flowabledemo/config/FlowableConfig.class] and overriding is disabled.

Action:

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