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Exception: No qualifying bean of type [website.fedulov.Main] is defined

Hi
I tried your sample, when I run it I got error as below, how can I do next? Can you help me to use Dynamic Multiple DataSources in Spring Data JPA?

DEBUG 18:20:44,975 [main]: Registered injected element on class [website.fedulov.aspect.ReadOnlyConnectionInterceptor]: AutowiredMethodElement for public void website.fedulov.aspect.ReadOnlyConnectionInterceptor.setOrder(int) - at org.springframework.beans.factory.annotation.InjectionMetadata.checkConfigMembers(InjectionMetadata.java:72)
DEBUG 18:20:44,976 [main]: Eagerly caching bean 'readOnlyInterceptor' to allow for resolving potential circular references - at org.springframework.beans.factory.support.DefaultListableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:529)
DEBUG 18:20:44,976 [main]: Processing injected element of bean 'readOnlyInterceptor': AutowiredMethodElement for public void website.fedulov.aspect.ReadOnlyConnectionInterceptor.setOrder(int) - at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:86)
ReadOnlyConnectionInterceptor >>> order = 20
DEBUG 18:20:44,976 [main]: Finished creating instance of bean 'readOnlyInterceptor' - at org.springframework.beans.factory.support.DefaultListableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:484)
DEBUG 18:20:44,976 [main]: Returning cached instance of singleton bean 'org.springframework.context.annotation.ConfigurationClassPostProcessor.importAwareProcessor' - at org.springframework.beans.factory.support.DefaultListableBeanFactory.doGetBean(AbstractBeanFactory.java:251)
DEBUG 18:20:44,977 [main]: Returning cached instance of singleton bean 'org.springframework.context.annotation.ConfigurationClassPostProcessor.enhancedConfigurationProcessor' - at org.springframework.beans.factory.support.DefaultListableBeanFactory.doGetBean(AbstractBeanFactory.java:251)
DEBUG 18:20:44,977 [main]: Returning cached instance of singleton bean 'org.springframework.orm.jpa.SharedEntityManagerCreator#0' - at org.springframework.beans.factory.support.DefaultListableBeanFactory.doGetBean(AbstractBeanFactory.java:251)
DEBUG 18:20:44,977 [main]: Returning cached instance of singleton bean 'org.springframework.context.event.internalEventListenerFactory' - at org.springframework.beans.factory.support.DefaultListableBeanFactory.doGetBean(AbstractBeanFactory.java:251)
DEBUG 18:20:44,978 [main]: Returning cached instance of singleton bean 'org.springframework.transaction.config.internalTransactionalEventListenerFactory' - at org.springframework.beans.factory.support.DefaultListableBeanFactory.doGetBean(AbstractBeanFactory.java:251)
DEBUG 18:20:45,003 [main]: Unable to locate LifecycleProcessor with name 'lifecycleProcessor': using default [org.springframework.context.support.DefaultLifecycleProcessor@17a9786] - at org.springframework.context.support.ClassPathXmlApplicationContext.initLifecycleProcessor(AbstractApplicationContext.java:769)
DEBUG 18:20:45,004 [main]: Returning cached instance of singleton bean 'lifecycleProcessor' - at org.springframework.beans.factory.support.DefaultListableBeanFactory.doGetBean(AbstractBeanFactory.java:251)
DEBUG 18:20:45,006 [main]: Searching for key 'spring.liveBeansView.mbeanDomain' in [systemProperties] - at org.springframework.core.env.PropertySourcesPropertyResolver.getProperty(PropertySourcesPropertyResolver.java:81)
DEBUG 18:20:45,006 [main]: Searching for key 'spring.liveBeansView.mbeanDomain' in [systemEnvironment] - at org.springframework.core.env.PropertySourcesPropertyResolver.getProperty(PropertySourcesPropertyResolver.java:81)
DEBUG 18:20:45,007 [main]: Could not find key 'spring.liveBeansView.mbeanDomain' in any property source. Returning [null] - at org.springframework.core.env.PropertySourcesPropertyResolver.getProperty(PropertySourcesPropertyResolver.java:103)
Exception in thread "main" org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [website.fedulov.Main] is defined
at org.springframework.beans.factory.support.DefaultListableBeanFactory.getBean(DefaultListableBeanFactory.java:372)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.getBean(DefaultListableBeanFactory.java:332)
at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:1066)
at website.fedulov.Main.main(Main.java:35)

A bean named 'entityManagerFactory' that could not be found

I have used this approach to use separate databases for read and write operations but getting an exception that No bean named 'entityManagerFactory' available

Springboot = v2.2.4

`/Library/Java/JavaVirtualMachines/jdk-11.0.5.jdk/Contents/Home/bin/java -XX:TieredStopAtLevel=1 -noverify -Dspring.output.ansi.enabled=always -Dcom.sun.management.jmxremote -Dspring.jmx.enabled=true -Dspring.liveBeansView.mbeanDomain -Dspring.application.admin.enabled=true "-javaagent:/Applications/IntelliJ IDEA.app/Contents/lib/idea_rt.jar=60238:/Applications/IntelliJ IDEA.app/Contents/bin" -Dfile.encoding=UTF-8 -classpath /Users/mac/dev/springboot/ontech/on-sb-user-ms/target/classes:/Users/mac/.m2/repository/org/springframework/boot/spring-boot-starter-data-jpa/2.2.4.RELEASE/spring-boot-starter-data-jpa-2.2.4.RELEASE.jar:/Users/mac/.m2/repository/org/springframework/boot/spring-boot-starter-aop/2.2.4.RELEASE/spring-boot-starter-aop-2.2.4.RELEASE.jar:/Users/mac/.m2/repository/org/springframework/spring-aop/5.2.3.RELEASE/spring-aop-5.2.3.RELEASE.jar:/Users/mac/.m2/repository/org/aspectj/aspectjweaver/1.9.5/aspectjweaver-1.9.5.jar:/Users/mac/.m2/repository/org/springframework/boot/spring-boot-starter-jdbc/2.2.4.RELEASE/spring-boot-starter-jdbc-2.2.4.RELEASE.jar:/Users/mac/.m2/repository/com/zaxxer/HikariCP/3.4.2/HikariCP-3.4.2.jar:/Users/mac/.m2/repository/org/springframework/spring-jdbc/5.2.3.RELEASE/spring-jdbc-5.2.3.RELEASE.jar:/Users/mac/.m2/repository/jakarta/activation/jakarta.activation-api/1.2.1/jakarta.activation-api-1.2.1.jar:/Users/mac/.m2/repository/jakarta/persistence/jakarta.persistence-api/2.2.3/jakarta.persistence-api-2.2.3.jar:/Users/mac/.m2/repository/jakarta/transaction/jakarta.transaction-api/1.3.3/jakarta.transaction-api-1.3.3.jar:/Users/mac/.m2/repository/org/hibernate/hibernate-core/5.4.10.Final/hibernate-core-5.4.10.Final.jar:/Users/mac/.m2/repository/org/jboss/logging/jboss-logging/3.4.1.Final/jboss-logging-3.4.1.Final.jar:/Users/mac/.m2/repository/org/javassist/javassist/3.24.0-GA/javassist-3.24.0-GA.jar:/Users/mac/.m2/repository/net/bytebuddy/byte-buddy/1.10.6/byte-buddy-1.10.6.jar:/Users/mac/.m2/repository/antlr/antlr/2.7.7/antlr-2.7.7.jar:/Users/mac/.m2/repository/org/jboss/jandex/2.1.1.Final/jandex-2.1.1.Final.jar:/Users/mac/.m2/repository/com/fasterxml/classmate/1.5.1/classmate-1.5.1.jar:/Users/mac/.m2/repository/org/dom4j/dom4j/2.1.1/dom4j-2.1.1.jar:/Users/mac/.m2/repository/org/hibernate/common/hibernate-commons-annotations/5.1.0.Final/hibernate-commons-annotations-5.1.0.Final.jar:/Users/mac/.m2/repository/org/glassfish/jaxb/jaxb-runtime/2.3.2/jaxb-runtime-2.3.2.jar:/Users/mac/.m2/repository/org/glassfish/jaxb/txw2/2.3.2/txw2-2.3.2.jar:/Users/mac/.m2/repository/com/sun/istack/istack-commons-runtime/3.0.8/istack-commons-runtime-3.0.8.jar:/Users/mac/.m2/repository/org/jvnet/staxex/stax-ex/1.8.1/stax-ex-1.8.1.jar:/Users/mac/.m2/repository/com/sun/xml/fastinfoset/FastInfoset/1.2.16/FastInfoset-1.2.16.jar:/Users/mac/.m2/repository/org/springframework/data/spring-data-jpa/2.2.4.RELEASE/spring-data-jpa-2.2.4.RELEASE.jar:/Users/mac/.m2/repository/org/springframework/data/spring-data-commons/2.2.4.RELEASE/spring-data-commons-2.2.4.RELEASE.jar:/Users/mac/.m2/repository/org/springframework/spring-orm/5.2.3.RELEASE/spring-orm-5.2.3.RELEASE.jar:/Users/mac/.m2/repository/org/springframework/spring-context/5.2.3.RELEASE/spring-context-5.2.3.RELEASE.jar:/Users/mac/.m2/repository/org/springframework/spring-tx/5.2.3.RELEASE/spring-tx-5.2.3.RELEASE.jar:/Users/mac/.m2/repository/org/springframework/spring-beans/5.2.3.RELEASE/spring-beans-5.2.3.RELEASE.jar:/Users/mac/.m2/repository/org/slf4j/slf4j-api/1.7.30/slf4j-api-1.7.30.jar:/Users/mac/.m2/repository/org/springframework/spring-aspects/5.2.3.RELEASE/spring-aspects-5.2.3.RELEASE.jar:/Users/mac/.m2/repository/org/springframework/boot/spring-boot-starter-web/2.2.4.RELEASE/spring-boot-starter-web-2.2.4.RELEASE.jar:/Users/mac/.m2/repository/org/springframework/boot/spring-boot-starter/2.2.4.RELEASE/spring-boot-starter-2.2.4.RELEASE.jar:/Users/mac/.m2/repository/org/springframework/boot/spring-boot-starter-logging/2.2.4.RELEASE/spring-boot-starter-logging-2.2.4.RELEASE.jar:/Users/mac/.m2/repository/ch/qos/logback/logback-classic/1.2.3/logback-classic-1.2.3.jar:/Users/mac/.m2/repository/ch/qos/logback/logback-core/1.2.3/logback-core-1.2.3.jar:/Users/mac/.m2/repository/org/apache/logging/log4j/log4j-to-slf4j/2.12.1/log4j-to-slf4j-2.12.1.jar:/Users/mac/.m2/repository/org/apache/logging/log4j/log4j-api/2.12.1/log4j-api-2.12.1.jar:/Users/mac/.m2/repository/org/slf4j/jul-to-slf4j/1.7.30/jul-to-slf4j-1.7.30.jar:/Users/mac/.m2/repository/jakarta/annotation/jakarta.annotation-api/1.3.5/jakarta.annotation-api-1.3.5.jar:/Users/mac/.m2/repository/org/yaml/snakeyaml/1.25/snakeyaml-1.25.jar:/Users/mac/.m2/repository/org/springframework/boot/spring-boot-starter-json/2.2.4.RELEASE/spring-boot-starter-json-2.2.4.RELEASE.jar:/Users/mac/.m2/repository/com/fasterxml/jackson/datatype/jackson-datatype-jdk8/2.10.2/jackson-datatype-jdk8-2.10.2.jar:/Users/mac/.m2/repository/com/fasterxml/jackson/datatype/jackson-datatype-jsr310/2.10.2/jackson-datatype-jsr310-2.10.2.jar:/Users/mac/.m2/repository/com/fasterxml/jackson/module/jackson-module-parameter-names/2.10.2/jackson-module-parameter-names-2.10.2.jar:/Users/mac/.m2/repository/org/springframework/boot/spring-boot-starter-tomcat/2.2.4.RELEASE/spring-boot-starter-tomcat-2.2.4.RELEASE.jar:/Users/mac/.m2/repository/org/apache/tomcat/embed/tomcat-embed-core/9.0.30/tomcat-embed-core-9.0.30.jar:/Users/mac/.m2/repository/org/apache/tomcat/embed/tomcat-embed-el/9.0.30/tomcat-embed-el-9.0.30.jar:/Users/mac/.m2/repository/org/apache/tomcat/embed/tomcat-embed-websocket/9.0.30/tomcat-embed-websocket-9.0.30.jar:/Users/mac/.m2/repository/org/springframework/boot/spring-boot-starter-validation/2.2.4.RELEASE/spring-boot-starter-validation-2.2.4.RELEASE.jar:/Users/mac/.m2/repository/jakarta/validation/jakarta.validation-api/2.0.2/jakarta.validation-api-2.0.2.jar:/Users/mac/.m2/repository/org/hibernate/validator/hibernate-validator/6.0.18.Final/hibernate-validator-6.0.18.Final.jar:/Users/mac/.m2/repository/org/springframework/spring-web/5.2.3.RELEASE/spring-web-5.2.3.RELEASE.jar:/Users/mac/.m2/repository/org/springframework/spring-webmvc/5.2.3.RELEASE/spring-webmvc-5.2.3.RELEASE.jar:/Users/mac/.m2/repository/org/springframework/spring-expression/5.2.3.RELEASE/spring-expression-5.2.3.RELEASE.jar:/Users/mac/.m2/repository/com/fasterxml/jackson/module/jackson-module-kotlin/2.10.2/jackson-module-kotlin-2.10.2.jar:/Users/mac/.m2/repository/com/fasterxml/jackson/core/jackson-databind/2.10.2/jackson-databind-2.10.2.jar:/Users/mac/.m2/repository/com/fasterxml/jackson/core/jackson-core/2.10.2/jackson-core-2.10.2.jar:/Users/mac/.m2/repository/com/fasterxml/jackson/core/jackson-annotations/2.10.2/jackson-annotations-2.10.2.jar:/Users/mac/.m2/repository/org/jetbrains/kotlin/kotlin-reflect/1.3.61/kotlin-reflect-1.3.61.jar:/Users/mac/.m2/repository/org/jetbrains/kotlin/kotlin-stdlib/1.3.61/kotlin-stdlib-1.3.61.jar:/Users/mac/.m2/repository/org/jetbrains/kotlin/kotlin-stdlib-common/1.3.61/kotlin-stdlib-common-1.3.61.jar:/Users/mac/.m2/repository/org/jetbrains/annotations/13.0/annotations-13.0.jar:/Users/mac/.m2/repository/org/jetbrains/kotlin/kotlin-stdlib-jdk8/1.3.61/kotlin-stdlib-jdk8-1.3.61.jar:/Users/mac/.m2/repository/org/jetbrains/kotlin/kotlin-stdlib-jdk7/1.3.61/kotlin-stdlib-jdk7-1.3.61.jar:/Users/mac/.m2/repository/org/springframework/boot/spring-boot-devtools/2.2.4.RELEASE/spring-boot-devtools-2.2.4.RELEASE.jar:/Users/mac/.m2/repository/org/springframework/boot/spring-boot/2.2.4.RELEASE/spring-boot-2.2.4.RELEASE.jar:/Users/mac/.m2/repository/org/springframework/boot/spring-boot-autoconfigure/2.2.4.RELEASE/spring-boot-autoconfigure-2.2.4.RELEASE.jar:/Users/mac/.m2/repository/mysql/mysql-connector-java/8.0.19/mysql-connector-java-8.0.19.jar:/Users/mac/.m2/repository/jakarta/xml/bind/jakarta.xml.bind-api/2.3.2/jakarta.xml.bind-api-2.3.2.jar:/Users/mac/.m2/repository/org/springframework/spring-core/5.2.3.RELEASE/spring-core-5.2.3.RELEASE.jar:/Users/mac/.m2/repository/org/springframework/spring-jcl/5.2.3.RELEASE/spring-jcl-5.2.3.RELEASE.jar:/Users/mac/.m2/repository/org/modelmapper/modelmapper/2.3.5/modelmapper-2.3.5.jar:/Users/mac/.m2/repository/commons-dbcp/commons-dbcp/1.2.2/commons-dbcp-1.2.2.jar:/Users/mac/.m2/repository/commons-pool/commons-pool/1.6/commons-pool-1.6.jar com.ontech.onapp.userMs.UserMsApplicationKt

. ____ _ __ _ _
/\ / ' __ _ () __ __ _ \ \ \
( ( )_
_ | '_ | '| | ' / ` | \ \ \
\/ )| |)| | | | | || (| | ) ) ) )
' |
| .__|| ||| |_, | / / / /
=========|
|==============|/=////
:: Spring Boot :: (v2.2.4.RELEASE)

2020-02-03 18:37:02.284 INFO 6446 --- [ restartedMain] c.o.onapp.userMs.UserMsApplicationKt : Starting UserMsApplicationKt on Macs-MacBook-Pro.local with PID 6446 (/Users/mac/dev/springboot/ontech/on-sb-user-ms/target/classes started by mac in /Users/mac/dev/springboot/ontech/on-sb-user-ms)
2020-02-03 18:37:02.287 INFO 6446 --- [ restartedMain] c.o.onapp.userMs.UserMsApplicationKt : No active profile set, falling back to default profiles: default
2020-02-03 18:37:02.348 INFO 6446 --- [ restartedMain] o.s.b.devtools.restart.ChangeableUrls : The Class-Path manifest attribute in /Users/mac/.m2/repository/org/glassfish/jaxb/jaxb-runtime/2.3.2/jaxb-runtime-2.3.2.jar referenced one or more files that do not exist: file:/Users/mac/.m2/repository/org/glassfish/jaxb/jaxb-runtime/2.3.2/jakarta.xml.bind-api-2.3.2.jar,file:/Users/mac/.m2/repository/org/glassfish/jaxb/jaxb-runtime/2.3.2/txw2-2.3.2.jar,file:/Users/mac/.m2/repository/org/glassfish/jaxb/jaxb-runtime/2.3.2/istack-commons-runtime-3.0.8.jar,file:/Users/mac/.m2/repository/org/glassfish/jaxb/jaxb-runtime/2.3.2/stax-ex-1.8.1.jar,file:/Users/mac/.m2/repository/org/glassfish/jaxb/jaxb-runtime/2.3.2/FastInfoset-1.2.16.jar,file:/Users/mac/.m2/repository/org/glassfish/jaxb/jaxb-runtime/2.3.2/jakarta.activation-api-1.2.1.jar
2020-02-03 18:37:02.348 INFO 6446 --- [ restartedMain] .e.DevToolsPropertyDefaultsPostProcessor : Devtools property defaults active! Set 'spring.devtools.add-properties' to 'false' to disable
2020-02-03 18:37:02.349 INFO 6446 --- [ restartedMain] .e.DevToolsPropertyDefaultsPostProcessor : For additional web related logging consider setting the 'logging.level.web' property to 'DEBUG'
2020-02-03 18:37:03.462 INFO 6446 --- [ restartedMain] .s.d.r.c.RepositoryConfigurationDelegate : Bootstrapping Spring Data JPA repositories in DEFAULT mode.
2020-02-03 18:37:03.539 INFO 6446 --- [ restartedMain] .s.d.r.c.RepositoryConfigurationDelegate : Finished Spring Data repository scanning in 64ms. Found 1 JPA repository interfaces.
2020-02-03 18:37:04.440 INFO 6446 --- [ restartedMain] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat initialized with port(s): 8082 (http)
2020-02-03 18:37:04.453 INFO 6446 --- [ restartedMain] o.apache.catalina.core.StandardService : Starting service [Tomcat]
2020-02-03 18:37:04.453 INFO 6446 --- [ restartedMain] org.apache.catalina.core.StandardEngine : Starting Servlet engine: [Apache Tomcat/9.0.30]
2020-02-03 18:37:04.544 INFO 6446 --- [ restartedMain] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring embedded WebApplicationContext
2020-02-03 18:37:04.544 INFO 6446 --- [ restartedMain] o.s.web.context.ContextLoader : Root WebApplicationContext: initialization completed in 2195 ms
2020-02-03 18:37:04.782 WARN 6446 --- [ restartedMain] ConfigServletWebServerApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'userController' defined in file [/Users/mac/dev/springboot/ontech/on-sb-user-ms/target/classes/com/ontech/onapp/userMs/controllers/UserController.class]: Unsatisfied dependency expressed through constructor parameter 0; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'userServiceImpl' defined in file [/Users/mac/dev/springboot/ontech/on-sb-user-ms/target/classes/com/ontech/onapp/userMs/services/UserServiceImpl.class]: Unsatisfied dependency expressed through constructor parameter 0; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'userRepository': Cannot create inner bean '(inner bean)#5b2bb928' of type [org.springframework.orm.jpa.SharedEntityManagerCreator] while setting bean property 'entityManager'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name '(inner bean)#5b2bb928': Cannot resolve reference to bean 'entityManagerFactory' while setting constructor argument; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No bean named 'entityManagerFactory' available
2020-02-03 18:37:04.785 INFO 6446 --- [ restartedMain] o.apache.catalina.core.StandardService : Stopping service [Tomcat]
2020-02-03 18:37:04.803 INFO 6446 --- [ restartedMain] ConditionEvaluationReportLoggingListener :

Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
2020-02-03 18:37:04.882 ERROR 6446 --- [ restartedMain] o.s.b.d.LoggingFailureAnalysisReporter :


APPLICATION FAILED TO START


Description:

Parameter 0 of constructor in com.ontech.onapp.userMs.services.UserServiceImpl required a bean named 'entityManagerFactory' that could not be found.

The injection point has the following annotations:
- @org.springframework.beans.factory.annotation.Autowired(required=true)

Action:

Consider defining a bean named 'entityManagerFactory' in your configuration.

Process finished with exit code 0`

Following is my configuration class with beans definitions

`package com.ontech.onapp.userMs.utils.configs

import com.ontech.onapp.userMs.database.routing.RoutingDataSource
import org.apache.commons.dbcp.BasicDataSource
import org.springframework.beans.factory.annotation.Value
import org.springframework.context.annotation.Bean
import org.springframework.context.annotation.Configuration
import org.springframework.web.servlet.LocaleResolver
import org.springframework.web.servlet.config.annotation.InterceptorRegistry
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer
import org.springframework.web.servlet.i18n.CookieLocaleResolver
import org.springframework.web.servlet.i18n.LocaleChangeInterceptor
import javax.sql.DataSource

@configuration

class Configuration: WebMvcConfigurer {
@value("${db.master.url}")
private val masterUrl: String? = null
@value("${db.replica.url}")
private val replicaUrl: String? = null
@bean
fun localeResolver(): LocaleResolver? {
return CookieLocaleResolver()
}

@Bean
fun localeInterceptor(): LocaleChangeInterceptor? {
    val localeInterceptor = LocaleChangeInterceptor()
    localeInterceptor.paramName = "lang"
    return localeInterceptor
}

override fun addInterceptors(registry: InterceptorRegistry) {
    registry.addInterceptor(localeInterceptor()!!)
}

@Bean
fun dataSource(): DataSource{
    val dataSource = RoutingDataSource()
    dataSource.setTargetDataSources(mapOf("MASTER" to dataSourceMaster(), "REPLICA" to dataSourceReplica()))
    dataSource.setDefaultTargetDataSource(dataSourceMaster())
    return  dataSource
}

@Bean
fun dataSourceMaster(): BasicDataSource{
    val masterDataSource = BasicDataSource()
    masterDataSource.driverClassName = "com.mysql.jdbc.Driver"
    masterDataSource.url = masterUrl
    masterDataSource.username = "root"
    masterDataSource.password = "123456"
    return  masterDataSource
}

@Bean
fun dataSourceReplica(): BasicDataSource{
    val masterDataSource = BasicDataSource()
    masterDataSource.driverClassName = "com.mysql.jdbc.Driver"
    masterDataSource.url = replicaUrl
    masterDataSource.username = "root"
    masterDataSource.password = "123456"
    return  masterDataSource
}

}`

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