Ignoring bean creation exception on FactoryBean type check: org.springframework.beans.factory.BeanC

本文记录了一个关于MyBatis中XML映射文件因非法注释导致Spring实例化失败的问题排查过程。通过日志分析及代码审查,最终定位到问题原因并成功解决。

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昨天写了一天的业务,突然发现原本测的好好的方法,测不了,报 spring实例化错误,可是我的spring配置文件根本就没动过。搞了半天没弄出头绪,把业务拷贝后项目还原了就整成了,那问题肯定就在代码本身了。在和朋友探讨过后 朋友发现了端倪


2017-07-13 09:55:49,103 DEBUG [SqlSessionFactoryBean.java:468] : Parsed mapper file: 'file [E:\testwork\trunk\project\modules\bk-service-fixed\target\classes\mybatis\mapperxml\CwFAInitBalaMapper.xml]'
2017-07-13 09:55:49,103 DEBUG [SqlSessionFactoryBean.java:468] : Parsed mapper file: 'file [E:\testwork\trunk\project\modules\bk-service-fixed\target\classes\mybatis\mapperxml\CwFAInitBalaMapperCustom.xml]'
2017-07-13 09:55:49,165 DEBUG [SqlSessionFactoryBean.java:468] : Parsed mapper file: 'file [E:\testwork\trunk\project\modules\bk-service-fixed\target\classes\mybatis\mapperxml\CwFixedAstMapper.xml]'
2017-07-13 09:55:49,180 DEBUG [AbstractBeanFactory.java:1374] : Ignoring bean creation exception on FactoryBean type check: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'cwFAInitBalaMapper' defined in file [E:\testwork\trunk\project\modules\bk-service-fixed\target\classes\cmy\bk\core\fixed\mapper\CwFAInitBalaMapper.class]: Cannot resolve reference to bean 'sqlSessionFactory' while setting bean property 'sqlSessionFactory'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sqlSessionFactory' defined in class path resource [spring/spring-mybatis.xml]: Invocation of init method failed; nested exception is org.springframework.core.NestedIOException: Failed to parse mapping resource: 'file [E:\testwork\trunk\project\modules\bk-service-fixed\target\classes\mybatis\mapperxml\CwFixedAstMapperCustom.xml]'; nested exception is org.apache.ibatis.builder.BuilderException: Error creating document instance.  Cause: org.xml.sax.SAXParseException; lineNumber: 97; columnNumber: 25; 注释中不允许出现字符串 "--"。
2017-07-13 09:55:49,180 DEBUG [AbstractBeanFactory.java:246] : Returning cached instance of singleton bean 'org.springframework.transaction.config.internalTransactionAdvisor'
2017-07-13 09:55:49,180 DEBUG [DefaultSingletonBeanRegistry.java:215] : Creating shared instance of singleton bean 'cwFAInitBalaMapperCustom'
2017-07-13 09:55:49,180 DEBUG [AbstractAutowireCapableBeanFactory.java:432] : Creating instance of bean 'cwFAInitBalaMapperCustom'
2017-07-13 09:55:49,180 DEBUG [AbstractAutowireCapableBeanFactory.java:506] : Eagerly caching bean 'cwFAInitBalaMapperCustom' to allow for resolving potential circular references
2017-07-13 09:55:49,180 DEBUG [DefaultSingletonBeanRegistry.java:215] : Creating shared instance of singleton bean 'sqlSessionFactory'
2017-07-13 09:55:49,180 DEBUG [AbstractAutowireCapableBeanFactory.java:432] : Creating instance of bean 'sqlSessionFactory'
2017-07-13 09:55:49,180 DEBUG [AbstractAutowireCapableBeanFactory.java:506] : Eagerly caching bean 'sqlSessionFactory' to allow for resolving potential circular references
2017-07-13 09:55:49,180 DEBUG [AbstractBeanFactory.java:246] : Returning cached instance of singleton bean 'dataSource'
2017-07-13 09:55:49,180 DEBUG [PathMatchingResourcePatternResolver.java:550] : Looking for matching resources in directory tree [E:\testwork\trunk\project\modules\bk-service-fixed\target\classes\mybatis\mapperxml]
2017-07-13 09:55:49,180 DEBUG [PathMatchingResourcePatternResolver.java:612] : Searching directory [E:\testwork\trunk\project\modules\bk-service-fixed\target\classes\mybatis\mapperxml] for files matching pattern [E:/testwork/trunk/project/modules/bk-service-fixed/target/classes/mybatis/mapperxml/**/*.xml]
2017-07-13 09:55:49,180 DEBUG [PathMatchingResourcePatternResolver.java:351] : Resolved location pattern [classpath:mybatis/mapperxml/**/*.xml] to resources [file [E:\testwork\trunk\project\modules\bk-service-fixed\target\classes\mybatis\mapperxml\CwFAInitBalaMapper.xml], file [E:\testwork\trunk\project\modules\bk-service-fixed\target\classes\mybatis\mapperxml\CwFAInitBalaMapperCustom.xml], file [E:\testwork\trunk\project\modules\bk-service-fixed\target\classes\mybatis\mapperxml\CwFixedAstMapper.xml], file [E:\testwork\trunk\project\modules\bk-service-fixed\target\classes\mybatis\mapperxml\CwFixedAstMapperCustom.xml]]
2017-07-13 09:55:49,180 DEBUG [AbstractAutowireCapableBeanFactory.java:1525] : Invoking afterPropertiesSet() on bean with name 'sqlSessionFactory'
2017-07-13 09:55:49,195 DEBUG [SqlSessionFactoryBean.java:427] : Parsed configuration file: 'class path resource [mybatis/mybatis-config.xml]'


朋友注意到了log4j报错中有一行中午(我眼瞎真没注意),上面显示我的xml注释上有-- 符号


删除以后就正常了。




C:\jdk-21.0.7\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:D:\IntelliJ IDEA 2024.3.5\lib\idea_rt.jar=64539" -Dfile.encoding=UTF-8 -Dsun.stdout.encoding=UTF-8 -Dsun.stderr.encoding=UTF-8 -classpath C:\Users\86133\IdeaProjects\tools\target\classes;C:\Users\86133\.m2\repository\org\springframework\boot\spring-boot-starter-web\3.3.4\spring-boot-starter-web-3.3.4.jar;C:\Users\86133\.m2\repository\org\springframework\boot\spring-boot-starter\3.3.4\spring-boot-starter-3.3.4.jar;C:\Users\86133\.m2\repository\org\springframework\boot\spring-boot\3.3.4\spring-boot-3.3.4.jar;C:\Users\86133\.m2\repository\org\springframework\boot\spring-boot-autoconfigure\3.3.4\spring-boot-autoconfigure-3.3.4.jar;C:\Users\86133\.m2\repository\org\springframework\boot\spring-boot-starter-logging\3.3.4\spring-boot-starter-logging-3.3.4.jar;C:\Users\86133\.m2\repository\ch\qos\logback\logback-classic\1.5.8\logback-classic-1.5.8.jar;C:\Users\86133\.m2\repository\ch\qos\logback\logback-core\1.5.8\logback-core-1.5.8.jar;C:\Users\86133\.m2\repository\org\apache\logging\log4j\log4j-to-slf4j\2.23.1\log4j-to-slf4j-2.23.1.jar;C:\Users\86133\.m2\repository\org\apache\logging\log4j\log4j-api\2.23.1\log4j-api-2.23.1.jar;C:\Users\86133\.m2\repository\org\slf4j\jul-to-slf4j\2.0.16\jul-to-slf4j-2.0.16.jar;C:\Users\86133\.m2\repository\jakarta\annotation\jakarta.annotation-api\2.1.1\jakarta.annotation-api-2.1.1.jar;C:\Users\86133\.m2\repository\org\yaml\snakeyaml\2.2\snakeyaml-2.2.jar;C:\Users\86133\.m2\repository\org\springframework\boot\spring-boot-starter-json\3.3.4\spring-boot-starter-json-3.3.4.jar;C:\Users\86133\.m2\repository\com\fasterxml\jackson\datatype\jackson-datatype-jdk8\2.17.2\jackson-datatype-jdk8-2.17.2.jar;C:\Users\86133\.m2\repository\com\fasterxml\jackson\datatype\jackson-datatype-jsr310\2.17.2\jackson-datatype-jsr310-2.17.2.jar;C:\Users\86133\.m2\repository\com\fasterxml\jackson\module\jackson-module-parameter-names\2.17.2\jackson-module-parameter-names-2.17.2.jar;C:\Users\86133\.m2\repository\org\springframework\boot\spring-boot-starter-tomcat\3.3.4\spring-boot-starter-tomcat-3.3.4.jar;C:\Users\86133\.m2\repository\org\apache\tomcat\embed\tomcat-embed-core\10.1.30\tomcat-embed-core-10.1.30.jar;C:\Users\86133\.m2\repository\org\apache\tomcat\embed\tomcat-embed-websocket\10.1.30\tomcat-embed-websocket-10.1.30.jar;C:\Users\86133\.m2\repository\org\springframework\spring-web\6.1.13\spring-web-6.1.13.jar;C:\Users\86133\.m2\repository\org\springframework\spring-beans\6.1.13\spring-beans-6.1.13.jar;C:\Users\86133\.m2\repository\io\micrometer\micrometer-observation\1.13.4\micrometer-observation-1.13.4.jar;C:\Users\86133\.m2\repository\io\micrometer\micrometer-commons\1.13.4\micrometer-commons-1.13.4.jar;C:\Users\86133\.m2\repository\org\springframework\spring-webmvc\6.1.13\spring-webmvc-6.1.13.jar;C:\Users\86133\.m2\repository\org\springframework\spring-context\6.1.13\spring-context-6.1.13.jar;C:\Users\86133\.m2\repository\org\springframework\spring-expression\6.1.13\spring-expression-6.1.13.jar;C:\Users\86133\.m2\repository\org\springframework\boot\spring-boot-starter-data-jpa\3.3.4\spring-boot-starter-data-jpa-3.3.4.jar;C:\Users\86133\.m2\repository\org\springframework\boot\spring-boot-starter-aop\3.3.4\spring-boot-starter-aop-3.3.4.jar;C:\Users\86133\.m2\repository\org\aspectj\aspectjweaver\1.9.22.1\aspectjweaver-1.9.22.1.jar;C:\Users\86133\.m2\repository\org\springframework\boot\spring-boot-starter-jdbc\3.3.4\spring-boot-starter-jdbc-3.3.4.jar;C:\Users\86133\.m2\repository\com\zaxxer\HikariCP\5.1.0\HikariCP-5.1.0.jar;C:\Users\86133\.m2\repository\org\springframework\spring-jdbc\6.1.13\spring-jdbc-6.1.13.jar;C:\Users\86133\.m2\repository\org\hibernate\orm\hibernate-core\6.5.3.Final\hibernate-core-6.5.3.Final.jar;C:\Users\86133\.m2\repository\jakarta\persistence\jakarta.persistence-api\3.1.0\jakarta.persistence-api-3.1.0.jar;C:\Users\86133\.m2\repository\jakarta\transaction\jakarta.transaction-api\2.0.1\jakarta.transaction-api-2.0.1.jar;C:\Users\86133\.m2\repository\org\jboss\logging\jboss-logging\3.5.3.Final\jboss-logging-3.5.3.Final.jar;C:\Users\86133\.m2\repository\org\hibernate\common\hibernate-commons-annotations\6.0.6.Final\hibernate-commons-annotations-6.0.6.Final.jar;C:\Users\86133\.m2\repository\io\smallrye\jandex\3.1.2\jandex-3.1.2.jar;C:\Users\86133\.m2\repository\com\fasterxml\classmate\1.7.0\classmate-1.7.0.jar;C:\Users\86133\.m2\repository\net\bytebuddy\byte-buddy\1.14.19\byte-buddy-1.14.19.jar;C:\Users\86133\.m2\repository\org\glassfish\jaxb\jaxb-runtime\4.0.5\jaxb-runtime-4.0.5.jar;C:\Users\86133\.m2\repository\org\glassfish\jaxb\jaxb-core\4.0.5\jaxb-core-4.0.5.jar;C:\Users\86133\.m2\repository\org\eclipse\angus\angus-activation\2.0.2\angus-activation-2.0.2.jar;C:\Users\86133\.m2\repository\org\glassfish\jaxb\txw2\4.0.5\txw2-4.0.5.jar;C:\Users\86133\.m2\repository\com\sun\istack\istack-commons-runtime\4.1.2\istack-commons-runtime-4.1.2.jar;C:\Users\86133\.m2\repository\jakarta\inject\jakarta.inject-api\2.0.1\jakarta.inject-api-2.0.1.jar;C:\Users\86133\.m2\repository\org\antlr\antlr4-runtime\4.13.0\antlr4-runtime-4.13.0.jar;C:\Users\86133\.m2\repository\org\springframework\data\spring-data-jpa\3.3.4\spring-data-jpa-3.3.4.jar;C:\Users\86133\.m2\repository\org\springframework\data\spring-data-commons\3.3.4\spring-data-commons-3.3.4.jar;C:\Users\86133\.m2\repository\org\springframework\spring-orm\6.1.13\spring-orm-6.1.13.jar;C:\Users\86133\.m2\repository\org\springframework\spring-tx\6.1.13\spring-tx-6.1.13.jar;C:\Users\86133\.m2\repository\org\slf4j\slf4j-api\2.0.16\slf4j-api-2.0.16.jar;C:\Users\86133\.m2\repository\org\springframework\spring-aspects\6.1.13\spring-aspects-6.1.13.jar;C:\Users\86133\.m2\repository\org\springframework\boot\spring-boot-starter-security\3.3.4\spring-boot-starter-security-3.3.4.jar;C:\Users\86133\.m2\repository\org\springframework\spring-aop\6.1.13\spring-aop-6.1.13.jar;C:\Users\86133\.m2\repository\org\springframework\security\spring-security-config\6.3.3\spring-security-config-6.3.3.jar;C:\Users\86133\.m2\repository\org\springframework\security\spring-security-core\6.3.3\spring-security-core-6.3.3.jar;C:\Users\86133\.m2\repository\org\springframework\security\spring-security-crypto\6.3.3\spring-security-crypto-6.3.3.jar;C:\Users\86133\.m2\repository\org\springframework\security\spring-security-web\6.3.3\spring-security-web-6.3.3.jar;C:\Users\86133\.m2\repository\org\springframework\boot\spring-boot-starter-validation\3.3.4\spring-boot-starter-validation-3.3.4.jar;C:\Users\86133\.m2\repository\org\apache\tomcat\embed\tomcat-embed-el\10.1.30\tomcat-embed-el-10.1.30.jar;C:\Users\86133\.m2\repository\org\hibernate\validator\hibernate-validator\8.0.1.Final\hibernate-validator-8.0.1.Final.jar;C:\Users\86133\.m2\repository\jakarta\validation\jakarta.validation-api\3.0.2\jakarta.validation-api-3.0.2.jar;C:\Users\86133\.m2\repository\org\mybatis\spring\boot\mybatis-spring-boot-starter\3.0.3\mybatis-spring-boot-starter-3.0.3.jar;C:\Users\86133\.m2\repository\org\mybatis\spring\boot\mybatis-spring-boot-autoconfigure\3.0.3\mybatis-spring-boot-autoconfigure-3.0.3.jar;C:\Users\86133\.m2\repository\org\mybatis\mybatis\3.5.14\mybatis-3.5.14.jar;C:\Users\86133\.m2\repository\org\mybatis\mybatis-spring\3.0.3\mybatis-spring-3.0.3.jar;C:\Users\86133\.m2\repository\com\mysql\mysql-connector-j\8.3.0\mysql-connector-j-8.3.0.jar;C:\Users\86133\.m2\repository\org\projectlombok\lombok\1.18.34\lombok-1.18.34.jar;C:\Users\86133\.m2\repository\com\auth0\java-jwt\4.4.0\java-jwt-4.4.0.jar;C:\Users\86133\.m2\repository\com\fasterxml\jackson\core\jackson-databind\2.17.2\jackson-databind-2.17.2.jar;C:\Users\86133\.m2\repository\com\fasterxml\jackson\core\jackson-annotations\2.17.2\jackson-annotations-2.17.2.jar;C:\Users\86133\.m2\repository\com\fasterxml\jackson\core\jackson-core\2.17.2\jackson-core-2.17.2.jar;C:\Users\86133\.m2\repository\io\jsonwebtoken\jjwt-api\0.11.5\jjwt-api-0.11.5.jar;C:\Users\86133\.m2\repository\io\jsonwebtoken\jjwt-impl\0.11.5\jjwt-impl-0.11.5.jar;C:\Users\86133\.m2\repository\io\jsonwebtoken\jjwt-jackson\0.11.5\jjwt-jackson-0.11.5.jar;C:\Users\86133\.m2\repository\jakarta\xml\bind\jakarta.xml.bind-api\4.0.2\jakarta.xml.bind-api-4.0.2.jar;C:\Users\86133\.m2\repository\jakarta\activation\jakarta.activation-api\2.1.3\jakarta.activation-api-2.1.3.jar;C:\Users\86133\.m2\repository\org\springframework\spring-core\6.1.13\spring-core-6.1.13.jar;C:\Users\86133\.m2\repository\org\springframework\spring-jcl\6.1.13\spring-jcl-6.1.13.jar com.org.example.tools.ToolsApplication . ____ _ __ _ _ /\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \ ( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \ \\/ ___)| |_)| | | | | || (_| | ) ) ) ) ' |____| .__|_| |_|_| |_\__, | / / / / =========|_|==============|___/=/_/_/_/ :: Spring Boot :: (v3.3.4) 2025-08-02T15:16:40.345+08:00 INFO 25468 --- [tools] [ main] com.org.example.tools.ToolsApplication : Starting ToolsApplication using Java 21.0.7 with PID 25468 (C:\Users\86133\IdeaProjects\tools\target\classes started by 86133 in C:\Users\86133\IdeaProjects\tools) 2025-08-02T15:16:40.347+08:00 INFO 25468 --- [tools] [ main] com.org.example.tools.ToolsApplication : No active profile set, falling back to 1 default profile: "default" 2025-08-02T15:16:40.947+08:00 INFO 25468 --- [tools] [ main] .s.d.r.c.RepositoryConfigurationDelegate : Bootstrapping Spring Data JPA repositories in DEFAULT mode. 2025-08-02T15:16:41.004+08:00 INFO 25468 --- [tools] [ main] .s.d.r.c.RepositoryConfigurationDelegate : Finished Spring Data repository scanning in 51 ms. Found 2 JPA repository interfaces. 2025-08-02T15:16:41.080+08:00 DEBUG 25468 --- [tools] [ main] o.m.s.mapper.ClassPathMapperScanner : Identified candidate component class: file [C:\Users\86133\IdeaProjects\tools\target\classes\com\org\example\tools\mapper\BorrowRecordMapper.class] 2025-08-02T15:16:41.080+08:00 DEBUG 25468 --- [tools] [ main] o.m.s.mapper.ClassPathMapperScanner : Identified candidate component class: file [C:\Users\86133\IdeaProjects\tools\target\classes\com\org\example\tools\mapper\FeedbackMapper.class] 2025-08-02T15:16:41.080+08:00 DEBUG 25468 --- [tools] [ main] o.m.s.mapper.ClassPathMapperScanner : Identified candidate component class: file [C:\Users\86133\IdeaProjects\tools\target\classes\com\org\example\tools\mapper\RequestMapper.class] 2025-08-02T15:16:41.080+08:00 DEBUG 25468 --- [tools] [ main] o.m.s.mapper.ClassPathMapperScanner : Identified candidate component class: file [C:\Users\86133\IdeaProjects\tools\target\classes\com\org\example\tools\mapper\SysUserMapper.class] 2025-08-02T15:16:41.080+08:00 DEBUG 25468 --- [tools] [ main] o.m.s.mapper.ClassPathMapperScanner : Identified candidate component class: file [C:\Users\86133\IdeaProjects\tools\target\classes\com\org\example\tools\mapper\ToolMapper.class] 2025-08-02T15:16:41.081+08:00 DEBUG 25468 --- [tools] [ main] o.m.s.mapper.ClassPathMapperScanner : Identified candidate component class: file [C:\Users\86133\IdeaProjects\tools\target\classes\com\org\example\tools\mapper\ToolOperationLogMapper.class] 2025-08-02T15:16:41.081+08:00 DEBUG 25468 --- [tools] [ main] o.m.s.mapper.ClassPathMapperScanner : Identified candidate component class: file [C:\Users\86133\IdeaProjects\tools\target\classes\com\org\example\tools\mapper\UserMapper.class] 2025-08-02T15:16:41.081+08:00 DEBUG 25468 --- [tools] [ main] o.m.s.mapper.ClassPathMapperScanner : Identified candidate component class: file [C:\Users\86133\IdeaProjects\tools\target\classes\com\org\example\tools\mapper\UserRequestMapper.class] 2025-08-02T15:16:41.083+08:00 DEBUG 25468 --- [tools] [ main] o.m.s.mapper.ClassPathMapperScanner : Creating MapperFactoryBean with name 'borrowRecordMapper' and 'com.org.example.tools.mapper.BorrowRecordMapper' mapperInterface 2025-08-02T15:16:41.084+08:00 DEBUG 25468 --- [tools] [ main] o.m.s.mapper.ClassPathMapperScanner : Enabling autowire by type for MapperFactoryBean with name 'borrowRecordMapper'. 2025-08-02T15:16:41.084+08:00 DEBUG 25468 --- [tools] [ main] o.m.s.mapper.ClassPathMapperScanner : Creating MapperFactoryBean with name 'feedbackMapper' and 'com.org.example.tools.mapper.FeedbackMapper' mapperInterface 2025-08-02T15:16:41.084+08:00 DEBUG 25468 --- [tools] [ main] o.m.s.mapper.ClassPathMapperScanner : Enabling autowire by type for MapperFactoryBean with name 'feedbackMapper'. 2025-08-02T15:16:41.084+08:00 DEBUG 25468 --- [tools] [ main] o.m.s.mapper.ClassPathMapperScanner : Creating MapperFactoryBean with name 'requestMapper' and 'com.org.example.tools.mapper.RequestMapper' mapperInterface 2025-08-02T15:16:41.085+08:00 DEBUG 25468 --- [tools] [ main] o.m.s.mapper.ClassPathMapperScanner : Enabling autowire by type for MapperFactoryBean with name 'requestMapper'. 2025-08-02T15:16:41.085+08:00 DEBUG 25468 --- [tools] [ main] o.m.s.mapper.ClassPathMapperScanner : Creating MapperFactoryBean with name 'sysUserMapper' and 'com.org.example.tools.mapper.SysUserMapper' mapperInterface 2025-08-02T15:16:41.085+08:00 DEBUG 25468 --- [tools] [ main] o.m.s.mapper.ClassPathMapperScanner : Enabling autowire by type for MapperFactoryBean with name 'sysUserMapper'. 2025-08-02T15:16:41.085+08:00 DEBUG 25468 --- [tools] [ main] o.m.s.mapper.ClassPathMapperScanner : Creating MapperFactoryBean with name 'toolMapper' and 'com.org.example.tools.mapper.ToolMapper' mapperInterface 2025-08-02T15:16:41.086+08:00 DEBUG 25468 --- [tools] [ main] o.m.s.mapper.ClassPathMapperScanner : Enabling autowire by type for MapperFactoryBean with name 'toolMapper'. 2025-08-02T15:16:41.086+08:00 DEBUG 25468 --- [tools] [ main] o.m.s.mapper.ClassPathMapperScanner : Creating MapperFactoryBean with name 'toolOperationLogMapper' and 'com.org.example.tools.mapper.ToolOperationLogMapper' mapperInterface 2025-08-02T15:16:41.087+08:00 DEBUG 25468 --- [tools] [ main] o.m.s.mapper.ClassPathMapperScanner : Enabling autowire by type for MapperFactoryBean with name 'toolOperationLogMapper'. 2025-08-02T15:16:41.087+08:00 DEBUG 25468 --- [tools] [ main] o.m.s.mapper.ClassPathMapperScanner : Creating MapperFactoryBean with name 'userMapper' and 'com.org.example.tools.mapper.UserMapper' mapperInterface 2025-08-02T15:16:41.087+08:00 DEBUG 25468 --- [tools] [ main] o.m.s.mapper.ClassPathMapperScanner : Enabling autowire by type for MapperFactoryBean with name 'userMapper'. 2025-08-02T15:16:41.087+08:00 DEBUG 25468 --- [tools] [ main] o.m.s.mapper.ClassPathMapperScanner : Creating MapperFactoryBean with name 'userRequestMapper' and 'com.org.example.tools.mapper.UserRequestMapper' mapperInterface 2025-08-02T15:16:41.088+08:00 DEBUG 25468 --- [tools] [ main] o.m.s.mapper.ClassPathMapperScanner : Enabling autowire by type for MapperFactoryBean with name 'userRequestMapper'. 2025-08-02T15:16:41.493+08:00 INFO 25468 --- [tools] [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat initialized with port 8089 (http) 2025-08-02T15:16:41.504+08:00 INFO 25468 --- [tools] [ main] o.apache.catalina.core.StandardService : Starting service [Tomcat] 2025-08-02T15:16:41.504+08:00 INFO 25468 --- [tools] [ main] o.apache.catalina.core.StandardEngine : Starting Servlet engine: [Apache Tomcat/10.1.30] 2025-08-02T15:16:41.554+08:00 INFO 25468 --- [tools] [ main] o.a.c.c.C.[Tomcat].[localhost].[/api] : Initializing Spring embedded WebApplicationContext 2025-08-02T15:16:41.554+08:00 INFO 25468 --- [tools] [ main] w.s.c.ServletWebServerApplicationContext : Root WebApplicationContext: initialization completed in 1165 ms 2025-08-02T15:16:41.746+08:00 DEBUG 25468 --- [tools] [ main] o.mybatis.spring.SqlSessionFactoryBean : Parsed mapper file: 'file [C:\Users\86133\IdeaProjects\tools\target\classes\mybatis\mapper\BorrowRecordMapper.xml]' 2025-08-02T15:16:41.757+08:00 DEBUG 25468 --- [tools] [ main] o.mybatis.spring.SqlSessionFactoryBean : Parsed mapper file: 'file [C:\Users\86133\IdeaProjects\tools\target\classes\mybatis\mapper\FeedbackMapper.xml]' 2025-08-02T15:16:41.766+08:00 DEBUG 25468 --- [tools] [ main] o.mybatis.spring.SqlSessionFactoryBean : Parsed mapper file: 'file [C:\Users\86133\IdeaProjects\tools\target\classes\mybatis\mapper\SysUserMapper.xml]' 2025-08-02T15:16:41.776+08:00 DEBUG 25468 --- [tools] [ main] o.mybatis.spring.SqlSessionFactoryBean : Parsed mapper file: 'file [C:\Users\86133\IdeaProjects\tools\target\classes\mybatis\mapper\ToolMapper.xml]' 2025-08-02T15:16:41.801+08:00 DEBUG 25468 --- [tools] [ main] o.mybatis.spring.SqlSessionFactoryBean : Parsed mapper file: 'file [C:\Users\86133\IdeaProjects\tools\target\classes\mybatis\mapper\ToolOperationLogMapper.xml]' 2025-08-02T15:16:41.821+08:00 DEBUG 25468 --- [tools] [ main] o.mybatis.spring.SqlSessionFactoryBean : Parsed mapper file: 'file [C:\Users\86133\IdeaProjects\tools\target\classes\mybatis\mapper\UserRequestMapper.xml]' 2025-08-02T15:16:41.914+08:00 INFO 25468 --- [tools] [ main] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Starting... 2025-08-02T15:16:42.156+08:00 INFO 25468 --- [tools] [ main] com.zaxxer.hikari.pool.HikariPool : HikariPool-1 - Added connection com.mysql.cj.jdbc.ConnectionImpl@4c24f3a2 2025-08-02T15:16:42.162+08:00 INFO 25468 --- [tools] [ main] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Start completed. 2025-08-02T15:16:42.190+08:00 INFO 25468 --- [tools] [ main] o.hibernate.jpa.internal.util.LogHelper : HHH000204: Processing PersistenceUnitInfo [name: default] 2025-08-02T15:16:42.227+08:00 INFO 25468 --- [tools] [ main] org.hibernate.Version : HHH000412: Hibernate ORM core version 6.5.3.Final 2025-08-02T15:16:42.249+08:00 INFO 25468 --- [tools] [ main] o.h.c.internal.RegionFactoryInitiator : HHH000026: Second-level cache disabled 2025-08-02T15:16:42.502+08:00 INFO 25468 --- [tools] [ main] o.s.o.j.p.SpringPersistenceUnitInfo : No LoadTimeWeaver setup: ignoring JPA class transformer 2025-08-02T15:16:42.814+08:00 INFO 25468 --- [tools] [ main] o.h.e.t.j.p.i.JtaPlatformInitiator : HHH000489: No JTA platform available (set 'hibernate.transaction.jta.platform' to enable JTA platform integration) 2025-08-02T15:16:42.818+08:00 INFO 25468 --- [tools] [ main] j.LocalContainerEntityManagerFactoryBean : Initialized JPA EntityManagerFactory for persistence unit 'default' 2025-08-02T15:16:42.924+08:00 INFO 25468 --- [tools] [ main] eAuthenticationProviderManagerConfigurer : Global AuthenticationManager configured with AuthenticationProvider bean with name authenticationProvider 2025-08-02T15:16:42.924+08:00 WARN 25468 --- [tools] [ main] r$InitializeUserDetailsManagerConfigurer : Global AuthenticationManager configured with an AuthenticationProvider bean. UserDetailsService beans will not be used for username/password login. Consider removing the AuthenticationProvider bean. Alternatively, consider using the UserDetailsService in a manually instantiated DaoAuthenticationProvider. 2025-08-02T15:16:43.100+08:00 WARN 25468 --- [tools] [ main] ConfigServletWebServerApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'userController' defined in file [C:\Users\86133\IdeaProjects\tools\target\classes\com\org\example\tools\controller\UserController.class]: Unsatisfied dependency expressed through constructor parameter 1: Error creating bean with name 'requestServiceImpl' defined in file [C:\Users\86133\IdeaProjects\tools\target\classes\com\org\example\tools\service\impl\RequestServiceImpl.class]: Unsatisfied dependency expressed through constructor parameter 0: Error creating bean with name 'requestRepository' defined in com.org.example.tools.repository.RequestRepository defined in @EnableJpaRepositories declared on JpaRepositoriesRegistrar.EnableJpaRepositoriesConfiguration: Not a managed type: class com.org.example.tools.entity.UserRequest 2025-08-02T15:16:43.101+08:00 INFO 25468 --- [tools] [ main] j.LocalContainerEntityManagerFactoryBean : Closing JPA EntityManagerFactory for persistence unit 'default' 2025-08-02T15:16:43.103+08:00 INFO 25468 --- [tools] [ main] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Shutdown initiated... 2025-08-02T15:16:43.110+08:00 INFO 25468 --- [tools] [ main] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Shutdown completed. 2025-08-02T15:16:43.111+08:00 INFO 25468 --- [tools] [ main] o.apache.catalina.core.StandardService : Stopping service [Tomcat] 2025-08-02T15:16:43.118+08:00 INFO 25468 --- [tools] [ main] .s.b.a.l.ConditionEvaluationReportLogger : Error starting ApplicationContext. To display the condition evaluation report re-run your application with 'debug' enabled. 2025-08-02T15:16:43.132+08:00 ERROR 25468 --- [tools] [ main] o.s.boot.SpringApplication : Application run failed org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'userController' defined in file [C:\Users\86133\IdeaProjects\tools\target\classes\com\org\example\tools\controller\UserController.class]: Unsatisfied dependency expressed through constructor parameter 1: Error creating bean with name 'requestServiceImpl' defined in file [C:\Users\86133\IdeaProjects\tools\target\classes\com\org\example\tools\service\impl\RequestServiceImpl.class]: Unsatisfied dependency expressed through constructor parameter 0: Error creating bean with name 'requestRepository' defined in com.org.example.tools.repository.RequestRepository defined in @EnableJpaRepositories declared on JpaRepositoriesRegistrar.EnableJpaRepositoriesConfiguration: Not a managed type: class com.org.example.tools.entity.UserRequest at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:795) ~[spring-beans-6.1.13.jar:6.1.13] at org.springframework.beans.factory.support.ConstructorResolver.autowireConstructor(ConstructorResolver.java:237) ~[spring-beans-6.1.13.jar:6.1.13] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireConstructor(AbstractAutowireCapableBeanFactory.java:1375) ~[spring-beans-6.1.13.jar:6.1.13] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1212) ~[spring-beans-6.1.13.jar:6.1.13] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:562) ~[spring-beans-6.1.13.jar:6.1.13] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:522) ~[spring-beans-6.1.13.jar:6.1.13] at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:337) ~[spring-beans-6.1.13.jar:6.1.13] at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) ~[spring-beans-6.1.13.jar:6.1.13] at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:335) ~[spring-beans-6.1.13.jar:6.1.13] at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:200) ~[spring-beans-6.1.13.jar:6.1.13] at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:975) ~[spring-beans-6.1.13.jar:6.1.13] at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:971) ~[spring-context-6.1.13.jar:6.1.13] at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:625) ~[spring-context-6.1.13.jar:6.1.13] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:146) ~[spring-boot-3.3.4.jar:3.3.4] at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:754) ~[spring-boot-3.3.4.jar:3.3.4] at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:456) ~[spring-boot-3.3.4.jar:3.3.4] at org.springframework.boot.SpringApplication.run(SpringApplication.java:335) ~[spring-boot-3.3.4.jar:3.3.4] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1363) ~[spring-boot-3.3.4.jar:3.3.4] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1352) ~[spring-boot-3.3.4.jar:3.3.4] at com.org.example.tools.ToolsApplication.main(ToolsApplication.java:13) ~[classes/:na] Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'requestServiceImpl' defined in file [C:\Users\86133\IdeaProjects\tools\target\classes\com\org\example\tools\service\impl\RequestServiceImpl.class]: Unsatisfied dependency expressed through constructor parameter 0: Error creating bean with name 'requestRepository' defined in com.org.example.tools.repository.RequestRepository defined in @EnableJpaRepositories declared on JpaRepositoriesRegistrar.EnableJpaRepositoriesConfiguration: Not a managed type: class com.org.example.tools.entity.UserRequest at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:795) ~[spring-beans-6.1.13.jar:6.1.13] at org.springframework.beans.factory.support.ConstructorResolver.autowireConstructor(ConstructorResolver.java:237) ~[spring-beans-6.1.13.jar:6.1.13] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireConstructor(AbstractAutowireCapableBeanFactory.java:1375) ~[spring-beans-6.1.13.jar:6.1.13] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1212) ~[spring-beans-6.1.13.jar:6.1.13] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:562) ~[spring-beans-6.1.13.jar:6.1.13] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:522) ~[spring-beans-6.1.13.jar:6.1.13] at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:337) ~[spring-beans-6.1.13.jar:6.1.13] at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) ~[spring-beans-6.1.13.jar:6.1.13] at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:335) ~[spring-beans-6.1.13.jar:6.1.13] at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:200) ~[spring-beans-6.1.13.jar:6.1.13] at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:254) ~[spring-beans-6.1.13.jar:6.1.13] at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1443) ~[spring-beans-6.1.13.jar:6.1.13] at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1353) ~[spring-beans-6.1.13.jar:6.1.13] at org.springframework.beans.factory.support.ConstructorResolver.resolveAutowiredArgument(ConstructorResolver.java:904) ~[spring-beans-6.1.13.jar:6.1.13] at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:782) ~[spring-beans-6.1.13.jar:6.1.13] ... 19 common frames omitted Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'requestRepository' defined in com.org.example.tools.repository.RequestRepository defined in @EnableJpaRepositories declared on JpaRepositoriesRegistrar.EnableJpaRepositoriesConfiguration: Not a managed type: class com.org.example.tools.entity.UserRequest at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1806) ~[spring-beans-6.1.13.jar:6.1.13] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:600) ~[spring-beans-6.1.13.jar:6.1.13] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:522) ~[spring-beans-6.1.13.jar:6.1.13] at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:337) ~[spring-beans-6.1.13.jar:6.1.13] at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) ~[spring-beans-6.1.13.jar:6.1.13] at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:335) ~[spring-beans-6.1.13.jar:6.1.13] at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:200) ~[spring-beans-6.1.13.jar:6.1.13] at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:254) ~[spring-beans-6.1.13.jar:6.1.13] at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1443) ~[spring-beans-6.1.13.jar:6.1.13] at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1353) ~[spring-beans-6.1.13.jar:6.1.13] at org.springframework.beans.factory.support.ConstructorResolver.resolveAutowiredArgument(ConstructorResolver.java:904) ~[spring-beans-6.1.13.jar:6.1.13] at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:782) ~[spring-beans-6.1.13.jar:6.1.13] ... 33 common frames omitted Caused by: java.lang.IllegalArgumentException: Not a managed type: class com.org.example.tools.entity.UserRequest at org.hibernate.metamodel.model.domain.internal.JpaMetamodelImpl.managedType(JpaMetamodelImpl.java:194) ~[hibernate-core-6.5.3.Final.jar:6.5.3.Final] at org.hibernate.metamodel.model.domain.internal.MappingMetamodelImpl.managedType(MappingMetamodelImpl.java:469) ~[hibernate-core-6.5.3.Final.jar:6.5.3.Final] at org.hibernate.metamodel.model.domain.internal.MappingMetamodelImpl.managedType(MappingMetamodelImpl.java:99) ~[hibernate-core-6.5.3.Final.jar:6.5.3.Final] at org.springframework.data.jpa.repository.support.JpaMetamodelEntityInformation.<init>(JpaMetamodelEntityInformation.java:82) ~[spring-data-jpa-3.3.4.jar:3.3.4] at org.springframework.data.jpa.repository.support.JpaEntityInformationSupport.getEntityInformation(JpaEntityInformationSupport.java:69) ~[spring-data-jpa-3.3.4.jar:3.3.4] at org.springframework.data.jpa.repository.support.JpaRepositoryFactory.getEntityInformation(JpaRepositoryFactory.java:249) ~[spring-data-jpa-3.3.4.jar:3.3.4] at org.springframework.data.jpa.repository.support.JpaRepositoryFactory.getTargetRepository(JpaRepositoryFactory.java:214) ~[spring-data-jpa-3.3.4.jar:3.3.4] at org.springframework.data.jpa.repository.support.JpaRepositoryFactory.getTargetRepository(JpaRepositoryFactory.java:197) ~[spring-data-jpa-3.3.4.jar:3.3.4] at org.springframework.data.jpa.repository.support.JpaRepositoryFactory.getTargetRepository(JpaRepositoryFactory.java:1) ~[spring-data-jpa-3.3.4.jar:3.3.4] at org.springframework.data.repository.core.support.RepositoryFactorySupport.getRepository(RepositoryFactorySupport.java:317) ~[spring-data-commons-3.3.4.jar:3.3.4] at org.springframework.data.repository.core.support.RepositoryFactoryBeanSupport.lambda$afterPropertiesSet$5(RepositoryFactoryBeanSupport.java:286) ~[spring-data-commons-3.3.4.jar:3.3.4] at org.springframework.data.util.Lazy.getNullable(Lazy.java:135) ~[spring-data-commons-3.3.4.jar:3.3.4] at org.springframework.data.util.Lazy.get(Lazy.java:113) ~[spring-data-commons-3.3.4.jar:3.3.4] at org.springframework.data.repository.core.support.RepositoryFactoryBeanSupport.afterPropertiesSet(RepositoryFactoryBeanSupport.java:292) ~[spring-data-commons-3.3.4.jar:3.3.4] at org.springframework.data.jpa.repository.support.JpaRepositoryFactoryBean.afterPropertiesSet(JpaRepositoryFactoryBean.java:132) ~[spring-data-jpa-3.3.4.jar:3.3.4] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1853) ~[spring-beans-6.1.13.jar:6.1.13] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1802) ~[spring-beans-6.1.13.jar:6.1.13] ... 44 common frames omitted
最新发布
08-03
<think>我们遇到了一个新的错误:`Not a managed type: class com.org.example.tools.entity.UserRequest` 这个错误通常发生在Spring Data JPA中,表示实体类`UserRequest`没有被JPA管理。原因可能是: 1. 实体类没有使用`@Entity`注解。 2. 实体类所在的包没有被扫描到(可能是没有在`@EntityScan`中指定,或者主配置类没有覆盖到该包)。 根据错误信息,我们的实体类`UserRequest`没有被识别为JPA管理的实体。 解决方案: 1. 确保`UserRequest`类上有`@Entity`注解。 2. 检查主配置类(通常是`@SpringBootApplication`注解的类)是否在实体类所在的包或父包中。如果不是,需要使用`@EntityScan`指定实体类所在的包。 下面我们详细说明: 步骤1:检查实体类注解 打开`UserRequest`类,确保它被`@Entity`注解标记。 步骤2:检查包扫描 如果`UserRequest`类不在主配置类(`ToolsApplication`)所在的包或其子包下,我们需要使用`@EntityScan`注解来指定实体类的包。 例如,如果`UserRequest`类在`com.org.example.tools.entity`包下,而主配置类在`com.org.example.tools`包下,那么它应该会被自动扫描到,因为`com.org.example.tools.entity`是`com.org.example.tools`的子包。 如果不在,则需要在主配置类上添加: ```java @EntityScan("com.org.example.tools.entity") ``` 另外,如果使用了多个数据源或者复杂的配置,可能需要同时检查`@EnableJpaRepositories`注解是否指定了正确的repository包。 步骤3:检查`@EnableJpaRepositories`注解 确保repository接口所在的包被扫描到。默认情况下,Spring Boot会扫描主配置类所在包及其子包。如果repository不在这些包中,需要显式指定。 例如: ```java @EnableJpaRepositories("com.org.example.tools.repository") ``` 步骤4:检查实体类是否在正确的模块中(如果是多模块项目) 在多模块项目中,确保实体类所在的模块已经被正确依赖,并且被Spring Boot组件扫描到。 步骤5:检查是否有多个`@EntityScan`冲突 如果项目中配置了多个`@EntityScan`,可能会导致覆盖,需要合并扫描的包。 根据错误信息,我们主要关注`UserRequest`实体类。 下面给出一个修正的例子: 假设我们的主启动类如下: ```java package com.org.example.tools; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; import org.springframework.boot.autoconfigure.domain.EntityScan; @SpringBootApplication @EntityScan("com.org.example.tools.entity") // 如果实体类不在主配置类子包下,显式指定 public class ToolsApplication { public static void main(String[] args) { SpringApplication.run(ToolsApplication.class, args); } } ``` 同时,确保`UserRequest`类有`@Entity`注解: ```java package com.org.example.tools.entity; import jakarta.persistence.Entity; import jakarta.persistence.GeneratedValue; import jakarta.persistence.GenerationType; import jakarta.persistence.Id; @Entity public class UserRequest { @Id @GeneratedValue(strategy = GenerationType.IDENTITY) private Long id; // ... other fields, getters and setters } ``` 如果问题仍然存在,请检查是否有拼写错误或配置覆盖。 另外,注意错误信息中提到的repository接口`RequestRepository`,它应该位于`com.org.example.tools.repository`包中,并且可能如下: ```java package com.org.example.tools.repository; import com.org.example.tools.entity.UserRequest; import org.springframework.data.jpa.repository.JpaRepository; public interface RequestRepository extends JpaRepository<UserRequest, Long> { } ``` 确保`RequestRepository`接口中的实体类型是`UserRequest`,并且已经正确定义。 如果以上步骤都正确,尝试清理并重新构建项目(mvn clean install 或 gradle clean build),有时候编译问题会导致类没有被正确识别。 最后,如果项目结构复杂,可能需要同时使用`@EntityScan`和`@EnableJpaRepositories`来指定多个包,例如: ```java @SpringBootApplication @EntityScan({"com.org.example.tools.entity", "another.package.entity"}) @EnableJpaRepositories({"com.org.example.tools.repository", "another.package.repository"}) public class ToolsApplication { // ... } ``` 根据错误日志,我们当前的问题就是`UserRequest`没有被识别为托管类型,按照上述步骤进行修正即可。</think>### 解决 "Not a managed type" JPA 实体类未注册错误 根据错误日志: ``` Not a managed type: class com.org.example.tools.entity.UserRequest ``` 这个错误表示 Spring Data JPA 无法识别 `UserRequest` 实体类。以下是完整的解决方案: #### 1. 检查实体类注解 确保 `UserRequest` 类有正确的 JPA 注解: ```java // UserRequest.java package com.org.example.tools.entity; import jakarta.persistence.Entity; import jakarta.persistence.GeneratedValue; import jakarta.persistence.GenerationType; import jakarta.persistence.Id; import jakarta.persistence.Table; @Entity @Table(name = "user_requests") // 确保表名正确 public class UserRequest { @Id @GeneratedValue(strategy = GenerationType.IDENTITY) private Long id; // 其他字段和 getter/setter } ``` #### 2. 配置实体扫描路径 在启动类中添加 `@EntityScan` 注解指定实体包路径: ```java // ToolsApplication.java package com.org.example.tools; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; import org.springframework.boot.autoconfigure.domain.EntityScan; @SpringBootApplication @EntityScan("com.org.example.tools.entity") // 显式指定实体包 public class ToolsApplication { public static void main(String[] args) { SpringApplication.run(ToolsApplication.class, args); } } ``` #### 3. 检查 Repository 接口 确保 Repository 接口正确继承 JpaRepository: ```java // RequestRepository.java package com.org.example.tools.repository; import com.org.example.tools.entity.UserRequest; import org.springframework.data.jpa.repository.JpaRepository; public interface RequestRepository extends JpaRepository<UserRequest, Long> { // 自定义查询方法 } ``` #### 4. 验证 Repository 包扫描 在启动类添加 `@EnableJpaRepositories`: ```java // ToolsApplication.java @SpringBootApplication @EntityScan("com.org.example.tools.entity") @EnableJpaRepositories("com.org.example.tools.repository") // 显式指定 Repository 包 public class ToolsApplication { // ... } ``` #### 5. 检查实体类位置 确保实体类在正确的位置: ``` src/main/java/ └── com/org/example/tools/ ├── entity/ │ ├── Tool.java │ ├── ToolOperationLog.java │ └── UserRequest.java // 实体类位置 └── repository/ └── RequestRepository.java // Repository 接口 ``` #### 6. 多模块项目配置(如果适用) 如果是多模块项目,在主模块的 `pom.xml` 中添加依赖: ```xml <dependency> <groupId>com.org.example</groupId> <artifactId>entity-module</artifactId> <version>1.0.0</version> </dependency> ``` #### 7. 完整配置示例 实体类、Repository 和启动类的完整配置: ```java // UserRequest.java @Entity @Table(name = "user_requests") public class UserRequest { @Id @GeneratedValue(strategy = GenerationType.IDENTITY) private Long id; @Column(nullable = false) private String requestType; @Column(nullable = false) private LocalDateTime requestDate; // Getters and Setters } ``` ```java // RequestRepository.java public interface RequestRepository extends JpaRepository<UserRequest, Long> { List<UserRequest> findByRequestType(String type); } ``` ```java // ToolsApplication.java @SpringBootApplication @EntityScan(basePackages = { "com.org.example.tools.entity", "com.org.example.other.entity" // 如果有其他实体包 }) @EnableJpaRepositories(basePackages = { "com.org.example.tools.repository", "com.org.example.other.repository" // 如果有其他 Repository 包 }) public class ToolsApplication { public static void main(String[] args) { SpringApplication.run(ToolsApplication.class, args); } } ``` ### 错误排查表 | 错误原因 | 解决方案 | |----------|----------| | **缺少 `@Entity` 注解** | 给实体类添加 `@Entity` 注解 | | **实体类不在扫描路径** | 使用 `@EntityScan` 指定包路径 | | **Repository 未继承 JpaRepository** | 改为 `extends JpaRepository<Entity, ID>` | | **包扫描配置错误** | 添加 `@EnableJpaRepositories` 指定包 | | **实体类不在主包下** | 移动实体类或显式配置扫描路径 | | **多模块未正确依赖** | 在 pom.xml/gradle 中添加实体模块依赖 | | **类路径问题** | 执行 `mvn clean install` 或 `gradle clean build` | ### 最佳实践建议 1. **使用明确的包结构** ``` com.example.app ├── config ├── controller ├── service ├── repository ├── entity └── Application.java ``` 2. **Lombok 简化实体类** ```java @Entity @Table(name = "user_requests") @Getter @Setter @NoArgsConstructor public class UserRequest { @Id @GeneratedValue(strategy = GenerationType.IDENTITY) private Long id; @Column(nullable = false) private String requestType; } ``` 3. **验证 H2 数据库** 在 `application.properties` 中添加: ```properties spring.datasource.url=jdbc:h2:mem:testdb spring.datasource.driverClassName=org.h2.Driver spring.jpa.show-sql=true ``` 4. **添加 JPA 日志配置** ```properties logging.level.org.hibernate.SQL=DEBUG logging.level.org.hibernate.type.descriptor.sql.BasicBinder=TRACE ``` ### 总结 "Not a managed type" 错误的根本原因是 Spring Data JPA 无法识别实体类。解决方案包括: 1. 确保实体类有 `@Entity` 注解 2. 使用 `@EntityScan` 显式指定实体包路径 3. 验证 Repository 接口继承自 `JpaRepository` 4. 使用 `@EnableJpaRepositories` 指定 Repository 包 5. 检查项目结构和包依赖关系 通过以上步骤,您可以解决实体类未注册的问题,确保 JPA 正确管理您的实体。
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