YanlongMa edited a comment on issue #9091:
URL: https://github.com/apache/shardingsphere/issues/9091#issuecomment-763256441
zookeeper config center is success, but etcd config center is error, I
dont‘not how to add dependency in pom, can you help me, 3Q.
pom.xml
```
<dependency>
<groupId>org.apache.shardingsphere</groupId>
<artifactId>sharding-jdbc-orchestration-spring-boot-starter</artifactId>
<version>4.0.0</version>
</dependency>
<dependency>
<groupId>io.etcd</groupId>
<artifactId>jetcd-core</artifactId>
<version>0.5.0</version>
</dependency>
```
properties
```
spring.shardingsphere.datasource.names=master,slave0,slave1
# master
spring.shardingsphere.datasource.master.type=com.zaxxer.hikari.HikariDataSource
spring.shardingsphere.datasource.master.driver-class-name=com.mysql.cj.jdbc.Driver
spring.shardingsphere.datasource.master.jdbc-url=jdbc:mysql://127.0.0.1:3306/master?useUnicode=true&characterEncoding=utf8&useSSL=false&zeroDateTimeBehavior=convertToNull&serverTimezone=Asia/Shanghai
spring.shardingsphere.datasource.master.username=root
spring.shardingsphere.datasource.master.password=123456
# slave0
spring.shardingsphere.datasource.slave0.type=com.zaxxer.hikari.HikariDataSource
spring.shardingsphere.datasource.slave0.driver-class-name=com.mysql.cj.jdbc.Driver
spring.shardingsphere.datasource.slave0.jdbc-url=jdbc:mysql://127.0.0.1:3306/slave0?useUnicode=true&characterEncoding=utf8&useSSL=false&zeroDateTimeBehavior=convertToNull&serverTimezone=Asia/Shanghai
spring.shardingsphere.datasource.slave0.username=root
spring.shardingsphere.datasource.slave0.password=123456
# slave1
spring.shardingsphere.datasource.slave1.type=com.zaxxer.hikari.HikariDataSource
spring.shardingsphere.datasource.slave1.driver-class-name=com.mysql.cj.jdbc.Driver
spring.shardingsphere.datasource.slave1.jdbc-url=jdbc:mysql://127.0.0.1:3306/slave1?useUnicode=true&characterEncoding=utf8&useSSL=false&zeroDateTimeBehavior=convertToNull&serverTimezone=Asia/Shanghai
spring.shardingsphere.datasource.slave1.username=root
spring.shardingsphere.datasource.slave1.password=123456
# round_robin/random
spring.shardingsphere.masterslave.name=kushu_taishan
spring.shardingsphere.masterslave.master-data-source-name=master
spring.shardingsphere.masterslave.slave-data-source-names=slave0,slave1
spring.shardingsphere.masterslave.load-balance-algorithm-type=round_robin
# sql
spring.shardingsphere.props.sql.show=true
# etcd
spring.shardingsphere.orchestration.name=basic
spring.shardingsphere.orchestration.overwrite=true
spring.shardingsphere.orchestration.registry.type=etcd
spring.shardingsphere.orchestration.registry.namespace=kushu_taishan
spring.shardingsphere.orchestration.registry.server-lists=127.0.0.1:2379
```
error info
```
Caused by: java.lang.RuntimeException: Invalid
`org.apache.shardingsphere.orchestration.reg.api.RegistryCenter` SPI type
`etcd`.
at
org.apache.shardingsphere.spi.TypeBasedSPIServiceLoader.newService(TypeBasedSPIServiceLoader.java:50)
~[shardingsphere-spi-4.0.0.jar:4.0.0]
at
org.apache.shardingsphere.orchestration.internal.registry.RegistryCenterServiceLoader.load(RegistryCenterServiceLoader.java:52)
~[sharding-orchestration-core-4.0.0.jar:4.0.0]
at
org.apache.shardingsphere.orchestration.internal.registry.ShardingOrchestrationFacade.<init>(ShardingOrchestrationFacade.java:58)
~[sharding-orchestration-core-4.0.0.jar:4.0.0]
at
org.apache.shardingsphere.shardingjdbc.orchestration.internal.datasource.OrchestrationMasterSlaveDataSource.<init>(OrchestrationMasterSlaveDataSource.java:70)
~[sharding-jdbc-orchestration-4.0.0.jar:4.0.0]
at
org.apache.shardingsphere.shardingjdbc.orchestration.spring.boot.OrchestrationSpringBootConfiguration.masterSlaveDataSourceByLocal(OrchestrationSpringBootConfiguration.java:144)
~[sharding-jdbc-orchestration-spring-boot-starter-4.0.0.jar:4.0.0]
at
org.apache.shardingsphere.shardingjdbc.orchestration.spring.boot.OrchestrationSpringBootConfiguration$$EnhancerBySpringCGLIB$$650690ac.CGLIB$masterSlaveDataSourceByLocal$3(<generated>)
~[sharding-jdbc-orchestration-spring-boot-starter-4.0.0.jar:4.0.0]
at
org.apache.shardingsphere.shardingjdbc.orchestration.spring.boot.OrchestrationSpringBootConfiguration$$EnhancerBySpringCGLIB$$650690ac$$FastClassBySpringCGLIB$$812f0b91.invoke(<generated>)
~[sharding-jdbc-orchestration-spring-boot-starter-4.0.0.jar:4.0.0]
at
org.springframework.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:244)
~[spring-core-5.2.12.RELEASE.jar:5.2.12.RELEASE]
at
org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.intercept(ConfigurationClassEnhancer.java:331)
~[spring-context-5.2.12.RELEASE.jar:5.2.12.RELEASE]
at
org.apache.shardingsphere.shardingjdbc.orchestration.spring.boot.OrchestrationSpringBootConfiguration$$EnhancerBySpringCGLIB$$650690ac.masterSlaveDataSourceByLocal(<generated>)
~[sharding-jdbc-orchestration-spring-boot-starter-4.0.0.jar:4.0.0]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
~[na:1.8.0_231]
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
~[na:1.8.0_231]
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
~[na:1.8.0_231]
at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_231]
at
org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:154)
~[spring-beans-5.2.12.RELEASE.jar:5.2.12.RELEASE]
... 77 common frames omitted
```
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