Consider defining a bean of type ‘com.example.springbootdemo.mapper.UserMapper‘ in your configuratio

Posted 2023-01-12 tfy1332

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Files\\JetBrains\\IntelliJ IDEA 2022.3.1\\lib\\idea_rt.jar" com.example.springbootdemo.SpringbootDemoApplication
Connected to the target VM, address: '127.0.0.1:49658', transport: 'socket'

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  '  |____| .__|_| |_|_| |_\\__, | / / / /
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 :: Spring Boot ::               (v2.6.11)

2023-01-11 09:50:12.735  INFO 91244 --- [           main] c.e.s.SpringbootDemoApplication          : Starting SpringbootDemoApplication using Java 1.8.0_181 on DESKTOP-JSP3CM3 with PID 91244 (C:\\tfy\\code\\springbootDemo\\springbootDemo\\target\\classes started by Lucas in C:\\tfy\\code\\springbootDemo\\springbootDemo)
2023-01-11 09:50:12.738  INFO 91244 --- [           main] c.e.s.SpringbootDemoApplication          : No active profile set, falling back to 1 default profile: "default"
2023-01-11 09:50:13.260  INFO 91244 --- [           main] .s.d.r.c.RepositoryConfigurationDelegate : Multiple Spring Data modules found, entering strict repository configuration mode
2023-01-11 09:50:13.260  INFO 91244 --- [           main] .s.d.r.c.RepositoryConfigurationDelegate : Bootstrapping Spring Data JDBC repositories in DEFAULT mode.
2023-01-11 09:50:13.270  INFO 91244 --- [           main] .s.d.r.c.RepositoryConfigurationDelegate : Finished Spring Data repository scanning in 6 ms. Found 0 JDBC repository interfaces.
2023-01-11 09:50:13.276  INFO 91244 --- [           main] .s.d.r.c.RepositoryConfigurationDelegate : Multiple Spring Data modules found, entering strict repository configuration mode
2023-01-11 09:50:13.277  INFO 91244 --- [           main] .s.d.r.c.RepositoryConfigurationDelegate : Bootstrapping Spring Data JPA repositories in DEFAULT mode.
2023-01-11 09:50:13.284  INFO 91244 --- [           main] .s.d.r.c.RepositoryConfigurationDelegate : Finished Spring Data repository scanning in 2 ms. Found 0 JPA repository interfaces.
2023-01-11 09:50:13.703  INFO 91244 --- [           main] o.s.b.w.embedded.tomcat.TomcatWebServer  : Tomcat initialized with port(s): 8080 (http)
2023-01-11 09:50:13.714  INFO 91244 --- [           main] o.apache.catalina.core.StandardService   : Starting service [Tomcat]
2023-01-11 09:50:13.714  INFO 91244 --- [           main] org.apache.catalina.core.StandardEngine  : Starting Servlet engine: [Apache Tomcat/9.0.65]
2023-01-11 09:50:13.837  INFO 91244 --- [           main] o.a.c.c.C.[Tomcat].[localhost].[/]       : Initializing Spring embedded WebApplicationContext
2023-01-11 09:50:13.837  INFO 91244 --- [           main] w.s.c.ServletWebServerApplicationContext : Root WebApplicationContext: initialization completed in 1063 ms
2023-01-11 09:50:13.956  INFO 91244 --- [           main] com.zaxxer.hikari.HikariDataSource       : defaultDataSource - Starting...
2023-01-11 09:50:14.199  INFO 91244 --- [           main] com.zaxxer.hikari.HikariDataSource       : defaultDataSource - Start completed.
2023-01-11 09:50:14.281  INFO 91244 --- [           main] o.hibernate.jpa.internal.util.LogHelper  : HHH000204: Processing PersistenceUnitInfo [name: default]
2023-01-11 09:50:14.323  INFO 91244 --- [           main] org.hibernate.Version                    : HHH000412: Hibernate ORM core version 5.6.10.Final
2023-01-11 09:50:14.458  INFO 91244 --- [           main] o.hibernate.annotations.common.Version   : HCANN000001: Hibernate Commons Annotations 5.1.2.Final
2023-01-11 09:50:14.545  INFO 91244 --- [           main] org.hibernate.dialect.Dialect            : HHH000400: Using dialect: org.hibernate.dialect.MySQL8Dialect
2023-01-11 09:50:14.658  INFO 91244 --- [           main] o.h.e.t.j.p.i.JtaPlatformInitiator       : HHH000490: Using JtaPlatform implementation: [org.hibernate.engine.transaction.jta.platform.internal.NoJtaPlatform]
2023-01-11 09:50:14.666  INFO 91244 --- [           main] j.LocalContainerEntityManagerFactoryBean : Initialized JPA EntityManagerFactory for persistence unit 'default'
2023-01-11 09:50:14.680  WARN 91244 --- [           main] ConfigServletWebServerApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'userController': Unsatisfied dependency expressed through field 'userService'; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'userServiceImpl': Unsatisfied dependency expressed through field 'userMapper'; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'com.example.springbootdemo.mapper.UserMapper' available: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: @org.springframework.beans.factory.annotation.Autowired(required=true)
2023-01-11 09:50:14.681  INFO 91244 --- [           main] j.LocalContainerEntityManagerFactoryBean : Closing JPA EntityManagerFactory for persistence unit 'default'
2023-01-11 09:50:14.684  INFO 91244 --- [           main] com.zaxxer.hikari.HikariDataSource       : defaultDataSource - Shutdown initiated...
2023-01-11 09:50:14.687  INFO 91244 --- [           main] com.zaxxer.hikari.HikariDataSource       : defaultDataSource - Shutdown completed.
2023-01-11 09:50:14.689  INFO 91244 --- [           main] o.apache.catalina.core.StandardService   : Stopping service [Tomcat]
2023-01-11 09:50:14.699  INFO 91244 --- [           main] ConditionEvaluationReportLoggingListener : 

Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
2023-01-11 09:50:14.722 ERROR 91244 --- [           main] o.s.b.d.LoggingFailureAnalysisReporter   : 

***************************
APPLICATION FAILED TO START
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Description:

Field userMapper in com.example.springbootdemo.service.impl.UserServiceImpl required a bean of type 'com.example.springbootdemo.mapper.UserMapper' that could not be found.

The injection point has the following annotations:
    - @org.springframework.beans.factory.annotation.Autowired(required=true)

Action:

Consider defining a bean of type 'com.example.springbootdemo.mapper.UserMapper' in your configuration.

Disconnected from the target VM, address: '127.0.0.1:49658', transport: 'socket'

Process finished with exit code 1
 

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
<mapper namespace="com.example.springbootdemo.mapper.UserMapper" >
    <select id="selectUserById" parameterType="int" resultType="com.example.springbootdemo.model.User">
        select * from yyb where id='03'
    </select>
</mapper>