小林的debug日志
Posted JohnnyLin00
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Java项目，Spring 配置文件applicationContex.xml文件任意，需要时在主程序使用如下调用即可获得Ioc容器
ApplicationContext context = new ClassPathXmlApplicationContext("applicationContext.xml");
SQL语句debug
-> KEY `user_id` (`user_id`),
-> CONSTRAINT `user_id_ibfk_1` FOREIGN KEY (`user_id`) REFERENCES `user` (`user_id`)
-> ) ENGINE=InnoDB AUTO_INCREMENT=13 DEFAULT CHARSET=utf8 COMMENT='逻辑文件夹表';
ERROR 1022 (23000): Can't write; duplicate key in table 'dir'
CONSTRAINT user_id_ibfk_1与stock的外键约束名重复。
改成不重名的即可。
项目
ERROR [main] - Error while adding the mapper ‘interface com.online.dao.UserDao’ to configuration.
org.apache.ibatis.builder.BuilderException: Error parsing Mapper XML. The XML location is ‘com/online/dao/UserDao.xml’. Cause: org.apache.ibatis.builder.BuilderException: Wrong namespace. Expected ‘com.online.dao.UserDao’ but found ‘com.online.dao’.
at org.apache.ibatis.builder.xml.XMLMapperBuilder.configurationElement(XMLMapperBuilder.java:122)
at org.apache.ibatis.builder.xml.XMLMapperBuilder.parse(XMLMapperBuilder.java:94)
at org.apache.ibatis.builder.annotation.MapperAnnotationBuilder.loadXmlResource(MapperAnnotationBuilder.java:181)
at org.apache.ibatis.builder.annotation.MapperAnnotationBuilder.parse(MapperAnnotationBuilder.java:128)
at org.apache.ibatis.binding.MapperRegistry.addMapper(MapperRegistry.java:72)
at org.apache.ibatis.session.Configuration.addMapper(Configuration.java:775)
at org.mybatis.spring.mapper.MapperFactoryBean.checkDaoConfig(MapperFactoryBean.java:80)
at org.springframework.dao.support.DaoSupport.afterPropertiesSet(DaoSupport.java:44)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1855)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1792)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:595)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:517)
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean
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0(AbstractBeanFactory.java:323) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:321) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:276) at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1287) at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1207) at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor
0(AbstractBeanFactory.java:323)atorg.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)atorg.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:321)atorg.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202)atorg.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:276)atorg.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1287)atorg.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1207)atorg.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessorAutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:640)
at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:116)
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