Written by spring-style
on 2021-11-25

오류 : o.s.b.w.s.c...

환경 스프링 부트 프로젝트 gradle War application.yml

[2021-11-25 17:09:14:1430][restartedMain] WARN o.s.b.w.s.c.AnnotationConfigServletWebServerApplicationContext - Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'mainController': Unsatisfied dependency expressed through field 'mainService'; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'mainServiceImpl': Unsatisfied dependency expressed through field 'mainMapper'; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'mainMapper' defined in file [D:\workapace_study\kospo\bin\main\kospo\icms\main\MainMapper.class]: Unsatisfied dependency expressed through bean property 'sqlSessionFactory'; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'sqlSessionFactory' defined in class path resource [org/mybatis/spring/boot/autoconfigure/MybatisAutoConfiguration.class]: Unsatisfied dependency expressed through method 'sqlSessionFactory' 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 java.lang.IllegalStateException: Cannot load driver class: net.sf.log4jdbc.sql.jdbcapi.DriverSpy

[2021-11-25 17:09:14:1482][restartedMain] ERROR o.s.boot.SpringApplication - Application run failed org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'mainController': Unsatisfied dependency expressed through field 'mainService'; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'mainServiceImpl': Unsatisfied dependency expressed through field 'mainMapper'; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'mainMapper' defined in file [D:\workapace_study\kospo\bin\main\kospo\icms\main\MainMapper.class]: Unsatisfied dependency expressed through bean property 'sqlSessionFactory'; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'sqlSessionFactory' defined in class path resource [org/mybatis/spring/boot/autoconfigure/MybatisAutoConfiguration.class]: Unsatisfied dependency expressed through method 'sqlSessionFactory' 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 java.lang.IllegalStateException: Cannot load driver class: net.sf.log4jdbc.sql.jdbcapi.DriverSpy

스프링 부트를 처음 런 할 때 오류가 났다.

위와 같은 오류를 검색을 하면 보통 주석을 잘 살펴보라는 이야기가 나온다.

1. Service 불러올 때 @Autowired 붙여 있는지 확인한다.

2. Service 클래스에 @Service 주석과 @Autowired 확인

3. @Mapper 주석 확인

4. 그래도 안 돼면 xml 을 확인해야 한다.

위치를 확인하고 id 맞는지 확인하고 오타!! 확인 꼭 하고 ; 있는지 확인을 해야 한다.

그래도 안되는 경우가 있다. 바로 나!!

build.gradle

build.gradle에 log4j가 없었다... ㅠㅠ 사실 왜인지 잘은 모르겠으나 필요한가보다 꼭 추가 해보세요...

dependencies { //log4j implementation group: 'org.bgee.log4jdbc-log4j2', name: 'log4jdbc-log4j2-jdbc4.1', version: '1.16' }

from http://gulchichi.tistory.com/45 by ccl(A) rewrite - 2021-11-25 17:27:52

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