您好，我通过命名空间引用sharding，一致报下面这个错误： 2020-02-28 15:49:18.884|ywwl-alarm-api|ERROR|o.s.boot.diagnostics.LoggingFailureAnalysisReporter.report:42|
*************************** APPLICATION FAILED TO START *************************** Description: file [D:\workspace\alarm-api\alarm-api-dal\target\classes\com\ywwl\alarm\api\dal\dao\BusinessAlarmConfigMapper.class] required a single bean, but 2 were found: - dataSource0: defined in file [D:\workspace\alarm-api\alarm-api-web\target\classes\spring\spring-mybatis.xml] - shardingDataSource: defined in null 我的配置如下： <?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans"; xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; xmlns:tx="http://www.springframework.org/schema/tx"; xmlns:sharding="http://shardingsphere.apache.org/schema/shardingsphere/sharding"; xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd http://shardingsphere.apache.org/schema/shardingsphere/sharding http://shardingsphere.apache.org/schema/shardingsphere/sharding/sharding.xsd "> <bean id="dBSelfPwdCallback" class="com.ywwl.alarm.api.dal.common.DBSelfPwdCallback" lazy-init="true"/> <!-- 配置数据源 --> <bean id="dataSource0" class="com.alibaba.druid.pool.DruidDataSource" destroy-method="close"> <property name="driverClassName" value="${driver}" /> <property name="url" value="${url}" /> <property name="username" value="${username}" /> <property name="password" value="${password}" /> <!-- 初始化连接大小 --> <property name="initialSize" value="${initialSize}"></property> <!-- 连接池最大数量 --> <property name="maxActive" value="${maxActive}"></property> <!-- 连接池最大空闲 maxIdle参数已经被弃用 <property name="maxIdle" value="${maxIdle}"></property>--> <!-- 连接池最小空闲 --> <property name="minIdle" value="${minIdle}"></property> <!-- 获取连接最大等待时间 --> <property name="maxWait" value="${maxWait}"></property> <!-- 超过时间限制是否回收 --> <!--<property name="removeAbandoned" value="${removeAbandoned}" />--> <!-- 超过时间限制多长； --> <property name="removeAbandonedTimeout" value="${removeAbandonedTimeout}" /> <!-- 配置间隔多久才进行一次检测，检测需要关闭的空闲连接，单位是毫秒 --> <property name="timeBetweenEvictionRunsMillis" value="${timeBetweenEvictionRunsMillis}" /> <!-- 配置一个连接在池中最小生存的时间，单位是毫秒 --> <property name="minEvictableIdleTimeMillis" value="${minEvictableIdleTimeMillis}" /> <!-- 用来检测连接是否有效的sql，要求是一个查询语句--> <!-- <property name="validationQuery" value="${validationQuery}" /> --> <!-- 申请连接的时候检测 --> <!--<property name="testWhileIdle" value="${testWhileIdle}" /> --> <!-- 申请连接时执行validationQuery检测连接是否有效，配置为true会降低性能 --> <!--<property name="testOnBorrow" value="${testOnBorrow}" /> --> <!-- 归还连接时执行validationQuery检测连接是否有效，配置为true会降低性能 --> <!--<property name="testOnReturn" value="${testOnReturn}" /> --> <!-- 打开PSCache，并且指定每个连接上PSCache的大小 --> <!--<property name="poolPreparedStatements" value="${poolPreparedStatements}" /> --> <property name="maxPoolPreparedStatementPerConnectionSize" value="${maxPoolPreparedStatementPerConnectionSize}" /> <!--属性类型是字符串，通过别名的方式配置扩展插件，常用的插件有： 监控统计用的filter:stat 日志用的filter:log4j 防御SQL注入的filter:wall --> <!-- <property name="filters" value="${filters}" /> --> <property name="passwordCallback" ref="dBSelfPwdCallback"/> <property name="connectionInitSqls" value="set names utf8mb4;"/> <property name="connectionProperties" value="config.decrypt=${druid.config.decrypt};config.decrypt.key=${druid.config.decrypt.publicKey};password=${password}" /> <!-- 关闭abanded连接时输出错误日志 --> <property name="logAbandoned" value="true"/> <!-- 监控数据库 --> <property name="filters" value="mergeStat"/> <!--手动提交--> <property name="defaultAutoCommit" value="${defaultAutoCommit}"/> </bean> <!-- 配置分表算法 --> <bean id="shardingAlgorithm" class="com.ywwl.alarm.api.sharding.ShardingAlgorithm" /> <sharding:standard-strategy id="orderTableStrategy" sharding-column="root_time" precise-algorithm-ref="shardingAlgorithm" /> <sharding:data-source id="shardingDataSource"> <sharding:sharding-rule data-source-names="dataSource0" default-data-source-name="dataSource0"> <sharding:table-rules> <sharding:table-rule logic-table="business_monitor_log" table-strategy-ref="orderTableStrategy" /> </sharding:table-rules> <sharding:binding-table-rules> <sharding:binding-table-rule logic-tables="business_monitor_log"/> </sharding:binding-table-rules> </sharding:sharding-rule> </sharding:data-source> <!-- Spring整合Mybatis，更多查看文档：http://mp.baomidou.com --> <bean id="sqlSessionFactory" class="com.baomidou.mybatisplus.spring.MybatisSqlSessionFactoryBean"> <property name="dataSource" ref="shardingDataSource"/> <!-- 自动扫描Mapping.xml文件 --> <property name="mapperLocations" value="classpath:mapper/*.xml"/> <!-- 配置 Mybatis 配置文件（可无） --> <property name="configLocation" value="classpath:mybatis/mybatis-config.xml"/> <!-- 切换一种方式,不配置configLocation --> <property name="configurationProperties"> <props> <prop key="cacheEnabled">true</prop> <prop key="callSettersOnNulls">true</prop> </props> </property> <!-- 配置包别名 --> <property name="typeAliasesPackage" value="com.ywwl.api.demo.api.dal.po"/> <property name="plugins"> <array> <!-- 分页插件配置 --> <bean id="paginationInterceptor" class="com.baomidou.mybatisplus.plugins.PaginationInterceptor"> <property name="dialectType" value="mysql"/> </bean> </array> </property> <!-- 全局配置注入 --> <property name="globalConfig" ref="globalConfig" /> </bean> <!-- 定义 MP 全局策略 --> <bean id="globalConfig" class="com.baomidou.mybatisplus.entity.GlobalConfiguration"> <!-- AUTO->`0`("数据库ID自增") INPUT->`1`(用户输入ID") ID_WORKER->`2`("全局唯一ID") UUID->`3`("全局唯一ID") --> <property name="idType" value="0" /> <!-- MYSQL->`mysql` ORACLE->`oracle` DB2->`db2` H2->`h2` HSQL->`hsql` SQLITE->`sqlite` POSTGRE->`postgresql` SQLSERVER2005->`sqlserver2005` SQLSERVER->`sqlserver` --> <property name="dbType" value="mysql"/> <!-- Oracle需要添加该项 --> <!-- <property name="dbType" value="oracle" /> --> <!-- 全局表为下划线命名设置 true --> <property name="dbColumnUnderline" value="true" /> </bean> <!-- MyBatis 动态扫描 --> <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer"> <property name="basePackage" value="com.ywwl.api.demo.api.dal.dao"/> </bean> <!-- 配置事务管理 --> <bean name="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> <property name="dataSource" ref="shardingDataSource"/> </bean> <tx:annotation-driven transaction-manager="transactionManager"/> </beans> 使用的mybatieplus插件。希望能得到你们答案。谢谢
