'dataSource', defined in BeanDefinition defined in class path resource [org/springframework/boot/autoconfigure.../jdbc/DataSourceConfiguration$Hikari.class], could not be registered....A bean with that name has already been defined in class path resource [org/springframework/boot/autoconfigure.../jdbc/DataSourceConfiguration$Hikari.class] and overriding is disabled....后来在https://start.spring.io上生成时，当选择springboot版本为2.1.2时，官方新建的项目springcloud版本为Greenwich.RELEASE。
'beanNameViewResolver', defined in class path resource [cn/afterturn/easypoi/configuration/EasyPoiAutoConfiguration.class...A bean with that name has already been defined in class path resource [org/springframework/boot/autoconfigure...，表示后发现的bean会覆盖之前相同名称的bean。...2、debug数据源配置信息 1)、在启动参数添加spring.datasource.url 2)、同时断点debug数据源配置， 可以看到数据源配置信息，在启动参数里面spring.datasource.url...可以读到，但spring.datasource.username和spring.datasource.password没有读取到。
报错原因 org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'flywayInitializer...' defined in class path resource [org/springframework/boot/autoconfigure/flyway/FlywayAutoConfiguration...$FlywayConfiguration.class]: Invocation of init method failed; nested exception is org.flywaydb.core.api.FlywayException
至于第二个原因，编译不成功，导致文件不存在，拿Eclipse or MyEclipse为例， 首先去项目的编译目录查看资源文件和class文件是否编译成功 ?
spring-dao.xml （每个人给配置文件的命名有所不同，不一定是这个名，反正就是spring的xml配置文件）后面的报错信息，根据报错信息找到你自己的问题 我的报错信息是： Error creating bean...with name 'sqlSessionFactory' defined in class path resource [spring-dao.xml]: Initialization of bean...of type 'java.lang.String' to required type 'javax.sql.DataSource' for property 'dataSource': no matching... resource="cn/dao/WorkinggMapper.xml"/> 这两段代码只要删一段就行，删spring里面的或者...目前收集了这么多，如果这篇文章能帮到你希望能留言让我知道我帮助了你~ 再更新一个 重复扫描了mapper，原理和网上找的方案差不多，都是两个配置文件里都扫描了mapper.class 发布者：全栈程序员栈长
的入口方法，如shardingDataSource： @Bean @Conditional(ShardingRuleCondition.class) public DataSource shardingDataSource...spring.shardingsphere.datasource.ds0.driver-class-name=com.mysql.jdbc.Driver spring.shardingsphere.datasource.ds0....driver-class-name=com.mysql.jdbc.Driver spring.shardingsphere.datasource.ds1.url=jdbc:mysql://localhost...; import java.io.File; @SpringBootApplication @EnableTransactionManagement public class SpringBootConfiguration..., args); } @Bean public DataSource dataSource() throws Exception { // 假设有一个 sharding
m1 起的名字随意单要和下面的一致 spring.shardingsphere.datasource.names=m1 # 一个实体类对应两张表，覆盖 spring.main.allow-bean-definition-overriding...#com.mysql.cj.jdbc.Driver 8版本 我本地数据版本低 5.7 spring.shardingsphere.datasource.m1.driver-class-name...serverTimezone=GMT%2B8 spring.shardingsphere.datasource.m1.url=jdbc:mysql://127.0.0.1:3306/course_db?...serverTimezone=GMT%2B8 spring.shardingsphere.datasource.m1.username=root spring.shardingsphere.datasource.m1...> resource> <!
":2009900081,"sqlUndoLogs":["java.util.ArrayList",[{"@class":"io.seata.rm.datasource.undo.SQLUndoLog"...@class":"io.seata.rm.datasource.sql.struct.Field","name":"address","keyType":"NULL","type":12,"value"...:null},{"@class":"io.seata.rm.datasource.sql.struct.Field","name":"mobile","keyType":"NULL","type":12...@class":"io.seata.rm.datasource.sql.struct.Field","name":"address","keyType":"NULL","type":12,"value"...:null},{"@class":"io.seata.rm.datasource.sql.struct.Field","name":"mobile","keyType":"NULL","type":12
spring.shardingsphere.datasource.m2.driver-class-name=com.mysql.cj.jdbc.Driver spring.shardingsphere.datasource.m2...spring.shardingsphere.datasource.m2.driver-class-name=com.mysql.cj.jdbc.Driver spring.shardingsphere.datasource.m2...spring.shardingsphere.datasource.m0.driver-class-name=com.mysql.cj.jdbc.Driver spring.shardingsphere.datasource.m0...spring.shardingsphere.datasource.m2.driver-class-name=com.mysql.cj.jdbc.Driver spring.shardingsphere.datasource.m2...spring.shardingsphere.datasource.m0.driver-class-name=com.mysql.cj.jdbc.Driver spring.shardingsphere.datasource.m0
with name 'entityManagerFactory' defined in class path resource [org/springframework/boot/autoconfigure...with name 'entityManagerFactoryBuilder' defined in class path resource [org/springframework/boot/autoconfigure...with name 'jpaVendorAdapter' defined in class path resource [org/springframework/boot/autoconfigure/...with name 'jpaVendorAdapter' defined in class path resource [org/springframework/boot/autoconfigure/...with name 'jpaVendorAdapter' defined in class path resource [org/springframework/boot/autoconfigure/
name ‘entityManagerFactory’ defined in class path resource [org/springframework/boot/autoconfigure/orm...with name ‘entityManagerFactoryBuilder’ defined in class path resource [org/springframework/boot/autoconfigure...with name ‘jpaVendorAdapter’ defined in class path resource [org/springframework/boot/autoconfigure/...orm/jpa/HibernateJpaConfiguration.class]: Bean instantiation via factory method failed; nested exception...=root spring.datasource.password=11111111 spring.datasource.driver-class-name=com.mysql.jdbc.Driver
-- sharding jdbc 开始--> io.shardingsphere sharding-core... ${sharding.version} io.shardingsphere...--分布式事务引用依赖--> io.shardingsphere sharding-transaction...2pc-xa ${sharding.version} io.shardingsphere...文件的源码只有两行配置： bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager
artifactId>mysql-connector-java io.shardingsphere...3.1.0 io.shardingsphere...=master,slave #主数据库 sharding.jdbc.datasource.master.type=com.zaxxer.hikari.HikariDataSource sharding.jdbc.datasource.master.hikari.driver-class-name...sharding.jdbc.datasource.slave.hikari.driver-class-name=com.mysql.cj.jdbc.Driver sharding.jdbc.datasource.slave.jdbc-url...class OrderController { @Autowired private OrderDao orderDao; @RequestMapping(path = "/
= m1 spring.shardingsphere.datasource.m1.type = com.alibaba.druid.pool.DruidDataSource spring.shardingsphere.datasource.m1....driver‐class‐name = com.mysql.jdbc.Driver spring.shardingsphere.datasource.m1.url = jdbc:mysql://localhost...useUnicode=true spring.shardingsphere.datasource.m1.username = root spring.shardingsphere.datasource.m1...Java配置 添加配置类 ： @Configuration public class ShardingJdbcConfig { // 定义数据源 MapDataSource>...‐‐定义多个数据源‐‐> bean id="m1" class="com.alibaba.druid.pool.DruidDataSource" destroy‐method="close"> <property
=com.alibaba.druid.pool.DruidDataSource spring.datasource.druid.driver-class-name=com.mysql.cj.jdbc.Driver...spring.shardingsphere.datasource.master.driver-class-name=com.mysql.jdbc.Driver spring.shardingsphere.datasource.master.url....type=com.alibaba.druid.pool.DruidDataSource spring.shardingsphere.datasource.slave0.driver-class-name....type=com.alibaba.druid.pool.DruidDataSource spring.shardingsphere.datasource.slave1.driver-class-name...dataSource) { return new DataSourceTransactionManager(dataSource); } @Bean("sqlSessionFactory
with name 'shiroFilter' defined in class path resource [com/bie/shiro/shiro/ShiroConfig.class]: Unsatisfied...with name 'securityManager' defined in class path resource [com/bie/shiro/shiro/ShiroConfig.class]:...with name 'securityManager' defined in class path resource [com/bie/shiro/shiro/ShiroConfig.class]:...with name 'securityManager' defined in class path resource [com/bie/shiro/shiro/ShiroConfig.class]:...with name 'securityManager' defined in class path resource [com/bie/shiro/shiro/ShiroConfig.class]:
= ds spring.shardingsphere.datasource.ds.type = com.zaxxer.hikari.HikariDataSource spring.shardingsphere.datasource.ds.driver-class-name...= com.mysql.jdbc.Driver spring.shardingsphere.datasource.ds.jdbc-url = jdbc:mysql://xxx?...= root spring.shardingsphere.datasource.ds.password = xxx spring.shardingsphere.encrypt.encryptors.encryptor_aes.type...public DataSource dataSource(){ String prefix = "spring.shardingsphere.datasource...= dataSource; } @Bean public DataSource encryptDataSource() throws SQLException {
package io.shardingsphere.shardingjdbc.jdbc.core.datasource; import io.shardingsphere.api.ConfigMapContext...;import io.shardingsphere.core.rule.MasterSlaveRule;import io.shardingsphere.shardingjdbc.jdbc.adapter.AbstractDataSourceAdapter.../ package io.shardingsphere.core.routing.router.masterslave; import io.shardingsphere.core.constant.SQLType...;import io.shardingsphere.core.hint.HintManagerHolder;import io.shardingsphere.core.routing.RouteUnit...;import io.shardingsphere.core.routing.SQLRouteResult;import io.shardingsphere.core.rule.MasterSlaveRule
master,slave0 spring.shardingsphere.datasource.master.type=com.zaxxer.hikari.HikariDataSource spring.shardingsphere.datasource.master.driver-class-name....driver-class-name=com.mysql.jdbc.Driver spring.shardingsphere.datasource.slave0.jdbc-url=jdbc:mysql:...spring.shardingsphere.datasource.ds0.driver-class-name=com.mysql.jdbc.Driver spring.shardingsphere.datasource.ds0...) @SpringBootTest(classes = RunBoot.class) public class TestHint { @Resource CityRepository cityRepository...) @SpringBootTest(classes = RunBoot.class) public class TestingShardingDatabase { @Resource PositionRepository
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