报错码：
WARN 6692 --- [ main] ConfigServletWebServerApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'indexController': Unsatisfied dependency expressed through field 'userMapper'; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'userMapper' defined in file [D:\workspace\179\springboot-quikstart\target\classes\com\alibaba\mapper\UserMapper.class]: Unsatisfied dependency expressed through bean property 'sqlSessionFactory'; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'org.mybatis.spring.boot.autoconfigure.MybatisAutoConfiguration': Unsatisfied dependency expressed through constructor parameter 0; nested exception is org.springframework.boot.context.properties.ConfigurationPropertiesBindException: Error creating bean with name 'mybatis-org.mybatis.spring.boot.autoconfigure.MybatisProperties': Could not bind properties to 'MybatisProperties' : prefix=mybatis, ignoreInvalidFields=false, ignoreUnknownFields=true; nested exception is org.springframework.boot.context.properties.bind.BindException: Failed to bind properties under 'mybatis.configuration' to org.apache.ibatis.session.Configuration
2022-08-02 18:02:19.524 INFO 6692 --- [ main] o.apache.catalina.core.StandardService : Stopping service [Tomcat]
2022-08-02 18:02:19.532 INFO 6692 --- [ main] ConditionEvaluationReportLoggingListener :
Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
2022-08-02 18:02:19.534 ERROR 6692 --- [ main] o.s.b.d.LoggingFailureAnalysisReporter :
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APPLICATION FAILED TO START
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Description:
Failed to bind properties under 'mybatis.configuration' to org.apache.ibatis.session.Configuration:
Reason: No converter found capable of converting from type [java.lang.String] to type [@org.springframework.boot.context.properties.NestedConfigurationProperty org.apache.ibatis.session.Configuration]
Action:
Update your application's configuration
解决方法：
application.yaml配置文件里测试驼峰映射时 未将configuration注掉
