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mybatis和mybatis-plus同時(shí)使用的坑

更新時(shí)間：2023年05月29日 14:53:27 作者：馬格南之鷹

本文主要介紹了mybatis和mybatis-plus同時(shí)使用的坑，文中通過(guò)示例代碼介紹的非常詳細(xì)，對(duì)大家的學(xué)習(xí)或者工作具有一定的參考學(xué)習(xí)價(jià)值，需要的朋友們下面隨著小編來(lái)一起學(xué)習(xí)學(xué)習(xí)吧

原項(xiàng)目基于mybatis開(kāi)發(fā)，新功能基于mybatis-plus開(kāi)發(fā)，同時(shí)依賴如下兩個(gè)jar包

mybatis-spring-boot-starter
mybatis-plus-boot-starter

啟動(dòng)時(shí)報(bào)錯(cuò)：java.lang.NoClassDefFoundError: org/mybatis/logging/LoggerFactory，詳情如下：

Unsatisfied dependency expressed through bean property 'sqlSessionFactory'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sqlSessionFactory' defined in class path resource [com/baomidou/mybatisplus/autoconfigure/MybatisPlusAutoConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.apache.ibatis.session.SqlSessionFactory]: Factory method 'sqlSessionFactory' threw exception; nested exception is java.lang.NoClassDefFoundError: org/mybatis/logging/LoggerFactory
   at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:643)
   at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:130)
   at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessProperties(AutowiredAnnotationBeanPostProcessor.java:399)
   at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1422)
   at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:594)
   at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:517)
   at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$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.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:879)
   at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:878)
   at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:550)
   at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:141)
   at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:747)
   at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397)
   at org.springframework.boot.SpringApplication.run(SpringApplication.java:315)
   at org.springframework.boot.SpringApplication.run(SpringApplication.java:1226)
   at org.springframework.boot.SpringApplication.run(SpringApplication.java:1215)
   at com.xxx.XXXApplication.main(XXXApplication.java:24)

解決方法：

刪除 mybatis-spring-boot-starter依賴，更新依賴（idea中在pom.xml文件上右鍵,執(zhí)行maven->reload project）

啟動(dòng)后錯(cuò)Invalid bound statement (not found)

[TRACEID:] 2021-03-26T10:48:21,900 ERROR [main] c.a.b.c.XXXXDataLoader:31 DefaultRangeDataLoader error info = Invalid bound statement (not found): com.xxx.dao.mapper.XXXMapper.xxx
org.apache.ibatis.binding.BindingException: Invalid bound statement (not found): com.xxx.dao.mapper.XXXMapper.xxx
   at org.apache.ibatis.binding.MapperMethod$SqlCommand.<init>(MapperMethod.java:235)
   at com.baomidou.mybatisplus.core.override.MybatisMapperMethod.<init>(MybatisMapperMethod.java:50)
   at com.baomidou.mybatisplus.core.override.MybatisMapperProxy.lambda$cachedMapperMethod$0(MybatisMapperProxy.java:101)
   at java.util.concurrent.ConcurrentHashMap.computeIfAbsent(ConcurrentHashMap.java:1660)
   at com.baomidou.mybatisplus.core.override.MybatisMapperProxy.cachedMapperMethod(MybatisMapperProxy.java:100)
   at com.baomidou.mybatisplus.core.override.MybatisMapperProxy.invoke(MybatisMapperProxy.java:95)
   at com.sun.proxy.$Proxy250.subscribeSizeStatistics(Unknown Source)

解決方法：

將服務(wù)配置文件中mybatis.mapper-locations的配置挪到mybatis-plus下，樣例如下：

原配置如下：

mybatis:
    mapper-locations: classpath:mybatis/*.xml

新配置:

mybatis-plus:
    mapper-locations: classpath:mybatis/*.xml,classpath:/mybatis-plus/*.xml

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