spring boot jpa-java.lang.IllegalArgumentException: Not a managed type异常问题解决方法

SpringBoot JPA 实体类缺失 @Entity 注解问题
最新推荐文章于 2023-07-08 18:47:03 发布
原创 最新推荐文章于 2023-07-08 18:47:03 发布 · 479 阅读 · 0 ·
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本文解决了一个常见的SpringBoot JPA编程问题：当使用JPA进行数据库操作时，若实体类未正确标注@Entity注解，会抛出java.lang.IllegalArgumentException异常。解决方法是在实体类上添加@Entity注解。

spring boot jpa-java.lang.IllegalArgumentException: Not a managed type异常问题解决方法

出现上述问题的原因

是由于实体类上缺少@entity注解
解决办法就是直接加上@entity解决就可以了

解决springboot整合jpa启动类报错：Not a managed type: class com.example.entity.Xxx
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【代码】解决springboot整合jpa启动类报错：Not a managed type: class com.example.entity.Xxx。
java.lang.IllegalArgumentException: Not an managed type
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出现异常： java.lang.IllegalArgumentException: Not an managed type spring+jpa框架整合出现问题： 从svn checkout项目出来后，把环境搭配好，已经可以把项目在Tomcat中跑起来了 但是在用Junit做单元测试的时候出现问题，一直报错： java.lang.IllegalStateException: Failed to l...
微服务启动报错:java.lang.IllegalArgumentException: Not a managed type: class com.xxx.xxx.model.User
weixin_42585386的博客
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问题现象: 今天在搭建微服务架构项目后,启动某个微服务时,遇到了如下报错: java.lang.IllegalArgumentException: Not a managed type: class com.xxx.xxx.model.xxx 问题分析: 根据报错信息可知,这是因为找不到model下某个实体类,也就是说没有找到匹配的目录路径! 这是因为在微服务架构中,当前微服务会在当前路径下去匹配这个路径: 这是我的dao接口: 在继承jpa时,要传入实体类,而这个实体类是放在另一个微
java not a type_java.lang.IllegalArgumentException: Not an managed type
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出现异常： java.lang.IllegalArgumentException: Not an managed typespring+jpa框架整合出现问题：从svn checkout项目出来后，把环境搭配好，已经可以把项目在Tomcat中跑起来了但是在用Junit做单元测试的时候出现问题，一直报错：java.lang.IllegalStateException: Failed to load ...
java.lang.IllegalArgumentException: Not an managed type:
Everything is i earned
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一、思考方式 故事是这样的，昨天领导遇到了一个很奇怪的bug，正常使用spring boot项目，通过Jpa默认方法链接数据库时，在dao层不能找到entity类： java.lang.IllegalStateException: Failed to load ApplicationContext at org.springframework.test.context.cache.Defaul...
Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled. 2025-07-17 16:27:26.417 ERROR 13324 --- [ main] o.s.boot.SpringApplication : Application run failed org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'userController': Injection of resource dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'userServiceImpl': Injection of resource dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'userLogRegMapper' defined in com.example.loggin_regist_demo.mapper.UserLogRegMapper defined in @EnableJpaRepositories declared on JpaRepositoriesRegistrar.EnableJpaRepositoriesConfiguration: Invocation of init method failed; nested exception is java.lang.IllegalArgumentException: Not a managed type: class com.example.loggin_regist_demo.entity.User at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.postProcessProperties(CommonAnnotationBeanPostProcessor.java:332) ~[spring-context-5.3.22.jar:5.3.22] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1431) ~[spring-beans-5.3.22.jar:5.3.22] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:619) ~[spring-beans-5.3.22.jar:5.3.22] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:542) ~[spring-beans-5.3.22.jar:5.3.22] at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:335) ~[spring-beans-5.3.22.jar:5.3.22] at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) ~[spring-beans-5.3.22.jar:5.3.22] at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333) ~[spring-beans-5.3.22.jar:5.3.22] at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:208) ~[spring-beans-5.3.22.jar:5.3.22] at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:955) ~[spring-beans-5.3.22.jar:5.3.22] at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:918) ~[spring-context-5.3.22.jar:5.3.22] at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:583) ~[spring-context-5.3.22.jar:5.3.22] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:147) ~[spring-boot-2.7.2.jar:2.7.2] at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:734) [spring-boot-2.7.2.jar:2.7.2] at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:408) [spring-boot-2.7.2.jar:2.7.2] at org.springframework.boot.SpringApplication.run(SpringApplication.java:308) [spring-boot-2.7.2.jar:2.7.2] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1306) [spring-boot-2.7.2.jar:2.7.2] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1295) [spring-boot-2.7.2.jar:2.7.2] at com.example.loggin_regist_demo.LogginRegistDemoApplication.main(LogginRegistDemoApplication.java:10) [classes/:na] Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'userServiceImpl': Injection of resource dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'userLogRegMapper' defined in com.example.loggin_regist_demo.mapper.UserLogRegMapper defined in @EnableJpaRepositories declared on JpaRepositoriesRegistrar.EnableJpaRepositoriesConfiguration: Invocation of init method failed; nested exception is java.lang.IllegalArgumentException: Not a managed type: class com.example.loggin_regist_demo.entity.User at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.postProcessProperties(CommonAnnotationBeanPostProcessor.java:332) ~[spring-context-5.3.22.jar:5.3.22] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1431) ~[spring-beans-5.3.22.jar:5.3.22] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:619) ~[spring-beans-5.3.22.jar:5.3.22] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:542) ~[spring-beans-5.3.22.jar:5.3.22] at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:335) ~[spring-beans-5.3.22.jar:5.3.22] at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) ~[spring-beans-5.3.22.jar:5.3.22] at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333) ~[spring-beans-5.3.22.jar:5.3.22] at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:208) ~[spring-beans-5.3.22.jar:5.3.22] at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:276) ~[spring-beans-5.3.22.jar:5.3.22] at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1391) ~[spring-beans-5.3.22.jar:5.3.22] at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1311) ~[spring-beans-5.3.22.jar:5.3.22] at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.autowireResource(CommonAnnotationBeanPostProcessor.java:544) ~[spring-context-5.3.22.jar:5.3.22] at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.getResource(CommonAnnotationBeanPostProcessor.java:520) ~[spring-context-5.3.22.jar:5.3.22] at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor$ResourceElement.getResourceToInject(CommonAnnotationBeanPostProcessor.java:673) ~[spring-context-5.3.22.jar:5.3.22] at org.springframework.beans.factory.annotation.InjectionMetadata$InjectedElement.inject(InjectionMetadata.java:228) ~[spring-beans-5.3.22.jar:5.3.22] at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:119) ~[spring-beans-5.3.22.jar:5.3.22] at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.postProcessProperties(CommonAnnotationBeanPostProcessor.java:329) ~[spring-context-5.3.22.jar:5.3.22] ... 17 common frames omitted Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'userLogRegMapper' defined in com.example.loggin_regist_demo.mapper.UserLogRegMapper defined in @EnableJpaRepositories declared on JpaRepositoriesRegistrar.EnableJpaRepositoriesConfiguration: Invocation of init method failed; nested exception is java.lang.IllegalArgumentException: Not a managed type: class com.example.loggin_regist_demo.entity.User at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1804) ~[spring-beans-5.3.22.jar:5.3.22] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:620) ~[spring-beans-5.3.22.jar:5.3.22] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:542) ~[spring-beans-5.3.22.jar:5.3.22] at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:335) ~[spring-beans-5.3.22.jar:5.3.22] at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) ~[spring-beans-5.3.22.jar:5.3.22] at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333) ~[spring-beans-5.3.22.jar:5.3.22] at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:213) ~[spring-beans-5.3.22.jar:5.3.22] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.resolveBeanByName(AbstractAutowireCapableBeanFactory.java:479) ~[spring-beans-5.3.22.jar:5.3.22] at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.autowireResource(CommonAnnotationBeanPostProcessor.java:550) ~[spring-context-5.3.22.jar:5.3.22] at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.getResource(CommonAnnotationBeanPostProcessor.java:520) ~[spring-context-5.3.22.jar:5.3.22] at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor$ResourceElement.getResourceToInject(CommonAnnotationBeanPostProcessor.java:673) ~[spring-context-5.3.22.jar:5.3.22] at org.springframework.beans.factory.annotation.InjectionMetadata$InjectedElement.inject(InjectionMetadata.java:228) ~[spring-beans-5.3.22.jar:5.3.22] at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:119) ~[spring-beans-5.3.22.jar:5.3.22] at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.postProcessProperties(CommonAnnotationBeanPostProcessor.java:329) ~[spring-context-5.3.22.jar:5.3.22] ... 33 common frames omitted Caused by: java.lang.IllegalArgumentException: Not a managed type: class com.example.loggin_regist_demo.entity.User at org.hibernate.metamodel.internal.MetamodelImpl.managedType(MetamodelImpl.java:582) ~[hibernate-core-5.6.10.Final.jar:5.6.10.Final] at org.hibernate.metamodel.internal.MetamodelImpl.managedType(MetamodelImpl.java:85) ~[hibernate-core-5.6.10.Final.jar:5.6.10.Final] at org.springframework.data.jpa.repository.support.JpaMetamodelEntityInformation.<init>(JpaMetamodelEntityInformation.java:75) ~[spring-data-jpa-2.7.2.jar:2.7.2] at org.springframework.data.jpa.repository.support.JpaEntityInformationSupport.getEntityInformation(JpaEntityInformationSupport.java:66) ~[spring-data-jpa-2.7.2.jar:2.7.2] at org.springframework.data.jpa.repository.support.JpaRepositoryFactory.getEntityInformation(JpaRepositoryFactory.java:233) ~[spring-data-jpa-2.7.2.jar:2.7.2] at org.springframework.data.jpa.repository.support.JpaRepositoryFactory.getTargetRepository(JpaRepositoryFactory.java:182) ~[spring-data-jpa-2.7.2.jar:2.7.2] at org.springframework.data.jpa.repository.support.JpaRepositoryFactory.getTargetRepository(JpaRepositoryFactory.java:165) ~[spring-data-jpa-2.7.2.jar:2.7.2] at org.springframework.data.jpa.repository.support.JpaRepositoryFactory.getTargetRepository(JpaRepositoryFactory.java:76) ~[spring-data-jpa-2.7.2.jar:2.7.2] at org.springframework.data.repository.core.support.RepositoryFactorySupport.getRepository(RepositoryFactorySupport.java:325) ~[spring-data-commons-2.7.2.jar:2.7.2] at org.springframework.data.repository.core.support.RepositoryFactoryBeanSupport.lambda$afterPropertiesSet$5(RepositoryFactoryBeanSupport.java:323) ~[spring-data-commons-2.7.2.jar:2.7.2] at org.springframework.data.util.Lazy.getNullable(Lazy.java:231) ~[spring-data-commons-2.7.2.jar:2.7.2] at org.springframework.data.util.Lazy.get(Lazy.java:115) ~[spring-data-commons-2.7.2.jar:2.7.2] at org.springframework.data.repository.core.support.RepositoryFactoryBeanSupport.afterPropertiesSet(RepositoryFactoryBeanSupport.java:329) ~[spring-data-commons-2.7.2.jar:2.7.2] at org.springframework.data.jpa.repository.support.JpaRepositoryFactoryBean.afterPropertiesSet(JpaRepositoryFactoryBean.java:144) ~[spring-data-jpa-2.7.2.jar:2.7.2] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1863) ~[spring-beans-5.3.22.jar:5.3.22] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1800) ~[spring-beans-5.3.22.jar:5.3.22] ... 46 common frames omitted解决
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在Spring Boot应用启动过程中，出现 `Error creating bean with name 'userLogRegMapper'` 错误，并提示 `Not a managed type: class com.example.loggin_regist_demo.entity.User` 时，通常表示JPA未能识别该实体类...
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java.lang.IllegalArgumentException: Not a managed type:
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"java.lang.IllegalArgumentException: Not a managed type"是一个JPA异常，它通常发生在实体类没有被正确扫描到的情况下。这个异常可能有以下几种解决方法： 1. 确保你的实体类上标注了@Entity注解，这个注解告诉...
C:\Users\33948\.jdks\ms-17.0.15\bin\java.exe -XX:TieredStopAtLevel=1 -Dspring.output.ansi.enabled=always -Dcom.sun.management.jmxremote -Dspring.jmx.enabled=true -Dspring.liveBeansView.mbeanDomain -Dspring.application.admin.enabled=true "-Dmanagement.endpoints.jmx.exposure.include=*" "-javaagent:E:\IntelliJ IDEA 2022.3.3\lib\idea_rt.jar=62606:E:\IntelliJ IDEA 2022.3.3\bin" -Dfile.encoding=UTF-8 -classpath E:\Java-workplace\demo\target\classes;C:\Users\33948\.m2\repository\org\springframework\boot\spring-boot-starter-data-jpa\3.4.7\spring-boot-starter-data-jpa-3.4.7.jar;C:\Users\33948\.m2\repository\org\springframework\boot\spring-boot-starter\3.4.7\spring-boot-starter-3.4.7.jar;C:\Users\33948\.m2\repository\org\springframework\boot\spring-boot\3.4.7\spring-boot-3.4.7.jar;C:\Users\33948\.m2\repository\org\springframework\boot\spring-boot-autoconfigure\3.4.7\spring-boot-autoconfigure-3.4.7.jar;C:\Users\33948\.m2\repository\org\springframework\boot\spring-boot-starter-logging\3.4.7\spring-boot-starter-logging-3.4.7.jar;C:\Users\33948\.m2\repository\ch\qos\logback\logback-classic\1.5.18\logback-classic-1.5.18.jar;C:\Users\33948\.m2\repository\ch\qos\logback\logback-core\1.5.18\logback-core-1.5.18.jar;C:\Users\33948\.m2\repository\org\apache\logging\log4j\log4j-to-slf4j\2.24.3\log4j-to-slf4j-2.24.3.jar;C:\Users\33948\.m2\repository\org\apache\logging\log4j\log4j-api\2.24.3\log4j-api-2.24.3.jar;C:\Users\33948\.m2\repository\org\slf4j\jul-to-slf4j\2.0.17\jul-to-slf4j-2.0.17.jar;C:\Users\33948\.m2\repository\jakarta\annotation\jakarta.annotation-api\2.1.1\jakarta.annotation-api-2.1.1.jar;C:\Users\33948\.m2\repository\org\yaml\snakeyaml\2.3\snakeyaml-2.3.jar;C:\Users\33948\.m2\repository\org\springframework\boot\spring-boot-starter-jdbc\3.4.7\spring-boot-starter-jdbc-3.4.7.jar;C:\Users\33948\.m2\repository\com\zaxxer\HikariCP\5.1.0\HikariCP-5.1.0.jar;C:\Users\33948\.m2\repository\org\springframework\spring-jdbc\6.2.8\spring-jdbc-6.2.8.jar;C:\Users\33948\.m2\repository\org\hibernate\orm\hibernate-core\6.6.18.Final\hibernate-core-6.6.18.Final.jar;C:\Users\33948\.m2\repository\jakarta\persistence\jakarta.persistence-api\3.1.0\jakarta.persistence-api-3.1.0.jar;C:\Users\33948\.m2\repository\jakarta\transaction\jakarta.transaction-api\2.0.1\jakarta.transaction-api-2.0.1.jar;C:\Users\33948\.m2\repository\org\jboss\logging\jboss-logging\3.6.1.Final\jboss-logging-3.6.1.Final.jar;C:\Users\33948\.m2\repository\org\hibernate\common\hibernate-commons-annotations\7.0.3.Final\hibernate-commons-annotations-7.0.3.Final.jar;C:\Users\33948\.m2\repository\io\smallrye\jandex\3.2.0\jandex-3.2.0.jar;C:\Users\33948\.m2\repository\com\fasterxml\classmate\1.7.0\classmate-1.7.0.jar;C:\Users\33948\.m2\repository\net\bytebuddy\byte-buddy\1.15.11\byte-buddy-1.15.11.jar;C:\Users\33948\.m2\repository\org\glassfish\jaxb\jaxb-runtime\4.0.5\jaxb-runtime-4.0.5.jar;C:\Users\33948\.m2\repository\org\glassfish\jaxb\jaxb-core\4.0.5\jaxb-core-4.0.5.jar;C:\Users\33948\.m2\repository\org\eclipse\angus\angus-activation\2.0.2\angus-activation-2.0.2.jar;C:\Users\33948\.m2\repository\org\glassfish\jaxb\txw2\4.0.5\txw2-4.0.5.jar;C:\Users\33948\.m2\repository\com\sun\istack\istack-commons-runtime\4.1.2\istack-commons-runtime-4.1.2.jar;C:\Users\33948\.m2\repository\jakarta\inject\jakarta.inject-api\2.0.1\jakarta.inject-api-2.0.1.jar;C:\Users\33948\.m2\repository\org\antlr\antlr4-runtime\4.13.0\antlr4-runtime-4.13.0.jar;C:\Users\33948\.m2\repository\org\springframework\data\spring-data-jpa\3.4.7\spring-data-jpa-3.4.7.jar;C:\Users\33948\.m2\repository\org\springframework\data\spring-data-commons\3.4.7\spring-data-commons-3.4.7.jar;C:\Users\33948\.m2\repository\org\springframework\spring-orm\6.2.8\spring-orm-6.2.8.jar;C:\Users\33948\.m2\repository\org\springframework\spring-context\6.2.8\spring-context-6.2.8.jar;C:\Users\33948\.m2\repository\org\springframework\spring-aop\6.2.8\spring-aop-6.2.8.jar;C:\Users\33948\.m2\repository\org\springframework\spring-tx\6.2.8\spring-tx-6.2.8.jar;C:\Users\33948\.m2\repository\org\springframework\spring-beans\6.2.8\spring-beans-6.2.8.jar;C:\Users\33948\.m2\repository\org\slf4j\slf4j-api\2.0.17\slf4j-api-2.0.17.jar;C:\Users\33948\.m2\repository\org\springframework\spring-aspects\6.2.8\spring-aspects-6.2.8.jar;C:\Users\33948\.m2\repository\org\aspectj\aspectjweaver\1.9.24\aspectjweaver-1.9.24.jar;C:\Users\33948\.m2\repository\org\springframework\boot\spring-boot-starter-web\3.4.7\spring-boot-starter-web-3.4.7.jar;C:\Users\33948\.m2\repository\org\springframework\boot\spring-boot-starter-json\3.4.7\spring-boot-starter-json-3.4.7.jar;C:\Users\33948\.m2\repository\com\fasterxml\jackson\core\jackson-databind\2.18.4\jackson-databind-2.18.4.jar;C:\Users\33948\.m2\repository\com\fasterxml\jackson\core\jackson-annotations\2.18.4\jackson-annotations-2.18.4.jar;C:\Users\33948\.m2\repository\com\fasterxml\jackson\core\jackson-core\2.18.4.1\jackson-core-2.18.4.1.jar;C:\Users\33948\.m2\repository\com\fasterxml\jackson\datatype\jackson-datatype-jdk8\2.18.4\jackson-datatype-jdk8-2.18.4.jar;C:\Users\33948\.m2\repository\com\fasterxml\jackson\datatype\jackson-datatype-jsr310\2.18.4\jackson-datatype-jsr310-2.18.4.jar;C:\Users\33948\.m2\repository\com\fasterxml\jackson\module\jackson-module-parameter-names\2.18.4\jackson-module-parameter-names-2.18.4.jar;C:\Users\33948\.m2\repository\org\springframework\boot\spring-boot-starter-tomcat\3.4.7\spring-boot-starter-tomcat-3.4.7.jar;C:\Users\33948\.m2\repository\org\apache\tomcat\embed\tomcat-embed-core\10.1.42\tomcat-embed-core-10.1.42.jar;C:\Users\33948\.m2\repository\org\apache\tomcat\embed\tomcat-embed-el\10.1.42\tomcat-embed-el-10.1.42.jar;C:\Users\33948\.m2\repository\org\apache\tomcat\embed\tomcat-embed-websocket\10.1.42\tomcat-embed-websocket-10.1.42.jar;C:\Users\33948\.m2\repository\org\springframework\spring-web\6.2.8\spring-web-6.2.8.jar;C:\Users\33948\.m2\repository\io\micrometer\micrometer-observation\1.14.8\micrometer-observation-1.14.8.jar;C:\Users\33948\.m2\repository\io\micrometer\micrometer-commons\1.14.8\micrometer-commons-1.14.8.jar;C:\Users\33948\.m2\repository\org\springframework\spring-webmvc\6.2.8\spring-webmvc-6.2.8.jar;C:\Users\33948\.m2\repository\org\springframework\spring-expression\6.2.8\spring-expression-6.2.8.jar;C:\Users\33948\.m2\repository\com\mysql\mysql-connector-j\9.1.0\mysql-connector-j-9.1.0.jar;C:\Users\33948\.m2\repository\org\projectlombok\lombok\1.18.38\lombok-1.18.38.jar;C:\Users\33948\.m2\repository\jakarta\xml\bind\jakarta.xml.bind-api\4.0.2\jakarta.xml.bind-api-4.0.2.jar;C:\Users\33948\.m2\repository\jakarta\activation\jakarta.activation-api\2.1.3\jakarta.activation-api-2.1.3.jar;C:\Users\33948\.m2\repository\org\springframework\spring-core\6.2.8\spring-core-6.2.8.jar;C:\Users\33948\.m2\repository\org\springframework\spring-jcl\6.2.8\spring-jcl-6.2.8.jar;C:\Users\33948\.m2\repository\javax\persistence\javax.persistence-api\2.2\javax.persistence-api-2.2.jar;C:\Users\33948\.m2\repository\mysql\mysql-connector-java\8.0.26\mysql-connector-java-8.0.26.jar;C:\Users\33948\.m2\repository\com\google\protobuf\protobuf-java\3.11.4\protobuf-java-3.11.4.jar com.example.demo.DemoApplication . ____ _ __ _ _ /\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \ ( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \ \\/ ___)| |_)| | | | | || (_| | ) ) ) ) ' |____| .__|_| |_|_| |_\__, | / / / / =========|_|==============|___/=/_/_/_/ :: Spring Boot :: (v3.4.7) 2025-06-22T13:25:05.988+08:00 INFO 69472 --- [ main] com.example.demo.DemoApplication : Starting DemoApplication using Java 17.0.15 with PID 69472 (E:\Java-workplace\demo\target\classes started by 33948 in E:\Java-workplace\demo) 2025-06-22T13:25:05.995+08:00 INFO 69472 --- [ main] com.example.demo.DemoApplication : No active profile set, falling back to 1 default profile: "default" 2025-06-22T13:25:06.466+08:00 INFO 69472 --- [ main] .s.d.r.c.RepositoryConfigurationDelegate : Bootstrapping Spring Data JPA repositories in DEFAULT mode. 2025-06-22T13:25:06.533+08:00 INFO 69472 --- [ main] .s.d.r.c.RepositoryConfigurationDelegate : Finished Spring Data repository scanning in 55 ms. Found 1 JPA repository interface. 2025-06-22T13:25:07.298+08:00 INFO 69472 --- [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat initialized with port 8181 (http) 2025-06-22T13:25:07.317+08:00 INFO 69472 --- [ main] o.apache.catalina.core.StandardService : Starting service [Tomcat] 2025-06-22T13:25:07.317+08:00 INFO 69472 --- [ main] o.apache.catalina.core.StandardEngine : Starting Servlet engine: [Apache Tomcat/10.1.42] 2025-06-22T13:25:07.425+08:00 INFO 69472 --- [ main] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring embedded WebApplicationContext 2025-06-22T13:25:07.426+08:00 INFO 69472 --- [ main] w.s.c.ServletWebServerApplicationContext : Root WebApplicationContext: initialization completed in 1375 ms 2025-06-22T13:25:07.589+08:00 INFO 69472 --- [ main] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Starting... 2025-06-22T13:25:07.925+08:00 INFO 69472 --- [ main] com.zaxxer.hikari.pool.HikariPool : HikariPool-1 - Added connection com.mysql.cj.jdbc.ConnectionImpl@7d3691e1 2025-06-22T13:25:07.929+08:00 INFO 69472 --- [ main] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Start completed. 2025-06-22T13:25:08.003+08:00 INFO 69472 --- [ main] o.hibernate.jpa.internal.util.LogHelper : HHH000204: Processing PersistenceUnitInfo [name: default] 2025-06-22T13:25:08.078+08:00 INFO 69472 --- [ main] org.hibernate.Version : HHH000412: Hibernate ORM core version 6.6.18.Final 2025-06-22T13:25:08.132+08:00 INFO 69472 --- [ main] o.h.c.internal.RegionFactoryInitiator : HHH000026: Second-level cache disabled 2025-06-22T13:25:08.483+08:00 INFO 69472 --- [ main] o.s.o.j.p.SpringPersistenceUnitInfo : No LoadTimeWeaver setup: ignoring JPA class transformer 2025-06-22T13:25:08.639+08:00 INFO 69472 --- [ main] org.hibernate.orm.connections.pooling : HHH10001005: Database info: Database JDBC URL [Connecting through datasource 'HikariDataSource (HikariPool-1)'] Database driver: undefined/unknown Database version: 8.0.42 Autocommit mode: undefined/unknown Isolation level: undefined/unknown Minimum pool size: undefined/unknown Maximum pool size: undefined/unknown 2025-06-22T13:25:09.054+08:00 INFO 69472 --- [ main] o.h.e.t.j.p.i.JtaPlatformInitiator : HHH000489: No JTA platform available (set 'hibernate.transaction.jta.platform' to enable JTA platform integration) 2025-06-22T13:25:09.059+08:00 INFO 69472 --- [ main] j.LocalContainerEntityManagerFactoryBean : Initialized JPA EntityManagerFactory for persistence unit 'default' 2025-06-22T13:25:09.199+08:00 WARN 69472 --- [ main] ConfigServletWebServerApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'bookRepository' defined in com.example.demo.repository.BookRepository defined in @EnableJpaRepositories declared on DemoApplication: Not a managed type: class com.example.demo.entity.Book 2025-06-22T13:25:09.201+08:00 INFO 69472 --- [ main] j.LocalContainerEntityManagerFactoryBean : Closing JPA EntityManagerFactory for persistence unit 'default' 2025-06-22T13:25:09.205+08:00 INFO 69472 --- [ main] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Shutdown initiated... 2025-06-22T13:25:09.215+08:00 INFO 69472 --- [ main] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Shutdown completed. 2025-06-22T13:25:09.217+08:00 INFO 69472 --- [ main] o.apache.catalina.core.StandardService : Stopping service [Tomcat] 2025-06-22T13:25:09.234+08:00 INFO 69472 --- [ main] .s.b.a.l.ConditionEvaluationReportLogger : Error starting ApplicationContext. To display the condition evaluation report re-run your application with 'debug' enabled. 2025-06-22T13:25:09.261+08:00 ERROR 69472 --- [ main] o.s.boot.SpringApplication : Application run failed org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'bookRepository' defined in com.example.demo.repository.BookRepository defined in @EnableJpaRepositories declared on DemoApplication: Not a managed type: class com.example.demo.entity.Book at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1826) ~[spring-beans-6.2.8.jar:6.2.8] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:607) ~[spring-beans-6.2.8.jar:6.2.8] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:529) ~[spring-beans-6.2.8.jar:6.2.8] at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:339) ~[spring-beans-6.2.8.jar:6.2.8] at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:373) ~[spring-beans-6.2.8.jar:6.2.8] at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:337) ~[spring-beans-6.2.8.jar:6.2.8] at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) ~[spring-beans-6.2.8.jar:6.2.8] at org.springframework.beans.factory.support.DefaultListableBeanFactory.instantiateSingleton(DefaultListableBeanFactory.java:1216) ~[spring-beans-6.2.8.jar:6.2.8] at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingleton(DefaultListableBeanFactory.java:1188) ~[spring-beans-6.2.8.jar:6.2.8] at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:1123) ~[spring-beans-6.2.8.jar:6.2.8] at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:987) ~[spring-context-6.2.8.jar:6.2.8] at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:627) ~[spring-context-6.2.8.jar:6.2.8] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:146) ~[spring-boot-3.4.7.jar:3.4.7] at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:752) ~[spring-boot-3.4.7.jar:3.4.7] at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:439) ~[spring-boot-3.4.7.jar:3.4.7] at org.springframework.boot.SpringApplication.run(SpringApplication.java:318) ~[spring-boot-3.4.7.jar:3.4.7] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1361) ~[spring-boot-3.4.7.jar:3.4.7] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1350) ~[spring-boot-3.4.7.jar:3.4.7] at com.example.demo.DemoApplication.main(DemoApplication.java:12) ~[classes/:na] Caused by: java.lang.IllegalArgumentException: Not a managed type: class com.example.demo.entity.Book at org.hibernate.metamodel.model.domain.internal.JpaMetamodelImpl.managedType(JpaMetamodelImpl.java:223) ~[hibernate-core-6.6.18.Final.jar:6.6.18.Final] at org.hibernate.metamodel.model.domain.internal.MappingMetamodelImpl.managedType(MappingMetamodelImpl.java:470) ~[hibernate-core-6.6.18.Final.jar:6.6.18.Final] at org.hibernate.metamodel.model.domain.internal.MappingMetamodelImpl.managedType(MappingMetamodelImpl.java:100) ~[hibernate-core-6.6.18.Final.jar:6.6.18.Final] at org.springframework.data.jpa.repository.support.JpaMetamodelEntityInformation.<init>(JpaMetamodelEntityInformation.java:82) ~[spring-data-jpa-3.4.7.jar:3.4.7] at org.springframework.data.jpa.repository.support.JpaEntityInformationSupport.getEntityInformation(JpaEntityInformationSupport.java:69) ~[spring-data-jpa-3.4.7.jar:3.4.7] at org.springframework.data.jpa.repository.support.JpaRepositoryFactory.getEntityInformation(JpaRepositoryFactory.java:251) ~[spring-data-jpa-3.4.7.jar:3.4.7] at org.springframework.data.jpa.repository.support.JpaRepositoryFactory.getTargetRepository(JpaRepositoryFactory.java:215) ~[spring-data-jpa-3.4.7.jar:3.4.7] at org.springframework.data.jpa.repository.support.JpaRepositoryFactory.getTargetRepository(JpaRepositoryFactory.java:198) ~[spring-data-jpa-3.4.7.jar:3.4.7] at org.springframework.data.jpa.repository.support.JpaRepositoryFactory.getTargetRepository(JpaRepositoryFactory.java:1) ~[spring-data-jpa-3.4.7.jar:3.4.7] at org.springframework.data.repository.core.support.RepositoryFactorySupport.getRepository(RepositoryFactorySupport.java:377) ~[spring-data-commons-3.4.7.jar:3.4.7] at org.springframework.data.repository.core.support.RepositoryFactoryBeanSupport.lambda$afterPropertiesSet$4(RepositoryFactoryBeanSupport.java:350) ~[spring-data-commons-3.4.7.jar:3.4.7] at org.springframework.data.util.Lazy.getNullable(Lazy.java:135) ~[spring-data-commons-3.4.7.jar:3.4.7] at org.springframework.data.util.Lazy.get(Lazy.java:113) ~[spring-data-commons-3.4.7.jar:3.4.7] at org.springframework.data.repository.core.support.RepositoryFactoryBeanSupport.afterPropertiesSet(RepositoryFactoryBeanSupport.java:356) ~[spring-data-commons-3.4.7.jar:3.4.7] at org.springframework.data.jpa.repository.support.JpaRepositoryFactoryBean.afterPropertiesSet(JpaRepositoryFactoryBean.java:132) ~[spring-data-jpa-3.4.7.jar:3.4.7] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1873) ~[spring-beans-6.2.8.jar:6.2.8] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1822) ~[spring-beans-6.2.8.jar:6.2.8] ... 18 common frames omitted 进程已结束,退出代码1
06-23
具体错误信息为 `Not a managed type: class com.example.demo.entity.Book`。 此错误通常表明 Spring Data JPA 无法识别 `Book` 实体类作为托管的 JPA 类型。以下是可能的原因及解决方案。 --- #### 原因分析与...
java.lang.IllegalArgumentException: Not a managed type
qq_50209297的博客
07-08 758
最后发现，Entity 当时自动导入的是 jakarta 包下的，而我用的是 javax 包的。首先，报错没有 TableGenerators 这个类，去 Jar 包看了一下还真没有。加 @Entity ，@EntityScan 这些全试过了，都没解决。真的哭死，全网所有报错都试过，都不是我的问题。
springboot：与JPA结合出现异常Caused by: java.lang.IllegalArgumentException: Not a managed type: class xxx
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1、出现异常： Caused by: java.lang.IllegalArgumentException: Not a managed type: class xxxx Caused by: java.lang.IllegalArgumentException: Not a managed type: class com.example.pojo.Category at org.hibernat...
springboot整合JPA出现异常java.lang.IllegalArgumentException: Not a managed type: class xxx
qq_41044913的博客
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springboot整合JPA出现异常java.lang.IllegalArgumentException: Not a managed type: class xxx 当出现以下这个异常时 可通过下面几个方法来解决: ①dao类必须继承JpaRepository类且JpaRepository必须加泛型,其中泛型写法为<bean类,主键数据类型> ②在启动类加上扫描实体类的注解 @EntityScan (basePackages = “com.zl.bean”) ③实体类记得加上@Enti
Caused by: java.lang.IllegalArgumentException: Not a managed type: class com.xxxx.xxx
SACKings的博客
09-29 2320
在使用Spring JPA时， 启动程序时如果抛出Caused by: java.lang.IllegalArgumentException: Not a managed type: class com.xxxx.xxx 的异常， 主要是因为指定@Entity，@ID的包不是javax.persistence。 换一下引入的类就好了。
SpringBoot-java.lang.IllegalArgumentException: Not a managed type异常问题解决方法
上海一九四三
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见博客：https://blog.csdn.net/heyewu4107/article/details/78942393
java.lang.IllegalArgumentException: Not a managed type: interface com.xxxx
weixin_42124034的博客
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今天在自己搭建一个springboot+jpa项目启动的时候遇到这个错。百度了许多，这里整理一下自己的解决思路。 Error creating bean with name 'userRepository': Invocation of init method failed; nested exception is java.lang.IllegalArgumentException: Not a managed type: interface com.xxxx.project.dao.UserRepo
SpringBoot-provider-JPA Not a managed type 问题分析及解决办法
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spring boot jpa-java.lang.IllegalArgumentException: Not a managed type异常问题解决方法 JPA实体类没有被扫描到,导致这样的情况有以下几种可能 1 实体类没有加上@Entity注解 对应解决方法在实体类上加上@Entity即可解决问题 2 没有按照SpringBoot的约定,默认扫描(application.ja
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