错误信息：
Caused by: org.springframework.core.NestedIOException: Failed to parse mapping resource: 'file [E:workspaceJAVAuserSystem argetclassesmybatismoduleUserLogoutMapper.xml]'; nested exception is org.apache.ibatis.builder.BuilderException: Error parsing Mapper XML. The XML location is 'file [E:workspaceJAVAuserSystem argetclassesmybatismoduleUserLogoutMapper.xml]'. Cause: java.lang.IllegalArgumentException: XML fragments parsed from previous mappers already contains value for com.bootdo.module.dao.UsersMapper.generalCondition at org.mybatis.spring.SqlSessionFactoryBean.buildSqlSessionFactory(SqlSessionFactoryBean.java:523) at org.mybatis.spring.SqlSessionFactoryBean.afterPropertiesSet(SqlSessionFactoryBean.java:380) at org.mybatis.spring.SqlSessionFactoryBean.getObject(SqlSessionFactoryBean.java:547) at com.bootdo.common.config.DataSourceConfig.sqlSessionFactory(DataSourceConfig.java:85) at com.bootdo.common.config.DataSourceConfig$$EnhancerBySpringCGLIB$$669c62f5.CGLIB$sqlSessionFactory$0(<generated>) at com.bootdo.common.config.DataSourceConfig$$EnhancerBySpringCGLIB$$669c62f5$$FastClassBySpringCGLIB$$64960b5a.invoke(<generated>) at org.springframework.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:228) at org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.intercept(ConfigurationClassEnhancer.java:361) at com.bootdo.common.config.DataSourceConfig$$EnhancerBySpringCGLIB$$669c62f5.sqlSessionFactory(<generated>) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:154) ... 61 common frames omitted Caused by: org.apache.ibatis.builder.BuilderException: Error parsing Mapper XML. The XML location is 'file [E:workspaceJAVAuserSystem argetclassesmybatismoduleUserLogoutMapper.xml]'. Cause: java.lang.IllegalArgumentException: XML fragments parsed from previous mappers already contains value for com.bootdo.module.dao.UsersMapper.generalCondition at org.apache.ibatis.builder.xml.XMLMapperBuilder.configurationElement(XMLMapperBuilder.java:120) at org.apache.ibatis.builder.xml.XMLMapperBuilder.parse(XMLMapperBuilder.java:92) at org.mybatis.spring.SqlSessionFactoryBean.buildSqlSessionFactory(SqlSessionFactoryBean.java:521) ... 74 common frames omitted Caused by: java.lang.IllegalArgumentException: XML fragments parsed from previous mappers already contains value for com.bootdo.module.dao.UsersMapper.generalCondition at org.apache.ibatis.session.Configuration$StrictMap.put(Configuration.java:872) at org.apache.ibatis.session.Configuration$StrictMap.put(Configuration.java:844) at org.apache.ibatis.builder.xml.XMLMapperBuilder.sqlElement(XMLMapperBuilder.java:335) at org.apache.ibatis.builder.xml.XMLMapperBuilder.sqlElement(XMLMapperBuilder.java:326) at org.apache.ibatis.builder.xml.XMLMapperBuilder.configurationElement(XMLMapperBuilder.java:117) ... 76 common frames omitted
xml中定义的sqlid重复了，即相同namespace下有相同的sqlid
由于写了两个xml 映射的同一个mapper，所以如果两个mapper的id有重复的。去掉重复的即可。