springboot 遇到的问题锦集

最新推荐文章于 2022-05-19 17:22:25 发布

xuezhezhishen

最新推荐文章于 2022-05-19 17:22:25 发布

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分类专栏： springmvc

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本文探讨了SpringBoot中遇到的AtleastoneJPAmetamodelmustbepresent!错误及解决方法，同时分析了inMemoryDatabaseShutdownExecutor依赖问题，指出缺少数据库配置文件是主要原因。

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springboot 学习问题
1. At least one JPA metamodel must be present!
参考一：
https://www.cnblogs.com/guwan/p/7901535.html
https://blog.youkuaiyun.com/wangjie919/article/details/80347375

2. Error creating bean with name 'inMemoryDatabaseShutdownExecutor' defined in class path resource [org/springframework/boot/devtools/autoconfigure/DevToolsDataSourceAutoConfiguration.class]: Unsatisfied dependency expressed through method 'inMemoryDatabaseShutdownExecutor' parameter 0; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dataSource' defined in class path resource [org/springframework/boot/autoconfigure/jdbc/DataSourceConfiguration$Hikari.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [com.zaxxer.hikari.HikariDataSource]: Factory method 'dataSource' threw exception; nested exception is org.springframework.boot.autoconfigure.jdbc.DataSourceProperties$DataSourceBeanCreationException: Failed to determine a suitable driver class

原因：没有对应的数据库配置文件，哈哈