zjcnb opened a new issue #14520:
URL: https://github.com/apache/shardingsphere/issues/14520
### Which version of ShardingSphere did you use?
`master`
### Which project did you use? ShardingSphere-JDBC or ShardingSphere-Proxy?
`ShardingSphere-JDBC`
### Expected behavior
Just load remote datasources when use cluster mode overwrite is false.
### Actual behavior
load remote datasources and local datasource when use cluster mode overwrite
is false.
### Configuration
```
spring.shardingsphere.props.sql-show=true
spring.shardingsphere.datasource.ds-0.jdbc-url =
jdbc:mysql://community:1231/demo_primary_ds?serverTimezone=UTC&useSSL=false
spring.shardingsphere.datasource.ds-0.username=root
spring.shardingsphere.datasource.ds-0.password=123456
spring.shardingsphere.datasource.ds-0.type=com.zaxxer.hikari.HikariDataSource
spring.shardingsphere.datasource.ds-0.driver-class-name=com.mysql.cj.jdbc.Driver
spring.shardingsphere.datasource.ds-1.jdbc-url =
jdbc:mysql://community:1232/demo_primary_ds?serverTimezone=UTC&useSSL=false
spring.shardingsphere.datasource.ds-1.username=root
spring.shardingsphere.datasource.ds-1.password=123456
spring.shardingsphere.datasource.ds-1.type=com.zaxxer.hikari.HikariDataSource
spring.shardingsphere.datasource.ds-1.driver-class-name=com.mysql.cj.jdbc.Driver
spring.shardingsphere.datasource.ds-2.jdbc-url =
jdbc:mysql://community:1233/demo_primary_ds?serverTimezone=UTC&useSSL=false
spring.shardingsphere.datasource.ds-2.username=root
spring.shardingsphere.datasource.ds-2.password=123456
spring.shardingsphere.datasource.ds-2.type=com.zaxxer.hikari.HikariDataSource
spring.shardingsphere.datasource.ds-2.driver-class-name=com.mysql.cj.jdbc.Driver
spring.shardingsphere.datasource.names=ds-0,ds-1,ds-2
spring.shardingsphere.rules.readwrite-splitting.data-sources.rd_rs.auto-aware-data-source-name=pr_ds
spring.shardingsphere.rules.database-discovery.data-sources.pr_ds.data-source-names=ds-0,
ds-1, ds-2
spring.shardingsphere.rules.database-discovery.data-sources.pr_ds.discovery-heartbeat-name=mgr-heartbeat
spring.shardingsphere.rules.database-discovery.data-sources.pr_ds.discovery-type-name=mgr
spring.shardingsphere.rules.database-discovery.discovery-heartbeats.mgr-heartbeat.props.keep-alive-cron=0/5
* * * * ?
spring.shardingsphere.rules.database-discovery.discovery-types.mgr.type=MGR
spring.shardingsphere.rules.database-discovery.discovery-types.mgr.props.group-name=b13df29e-90b6-11e8-8d1b-525400fc3996
spring.shardingsphere.mode.type=Cluster
spring.shardingsphere.mode.repository.type=Zookeeper
spring.shardingsphere.mode.repository.props.namespace=governance_ds
spring.shardingsphere.mode.repository.props.server-lists=localhost:2181
spring.shardingsphere.mode.overwrite=false
```
### Step
First step, change datasources count is two, set overwrite = true. And then
start up the app aplication, the dataSources configuration persist zk. It 's OK.
Second step, change datasource count is three, set overwrite = false. And
then start up the application, the init datasource not right.
```
2022-01-05 10:10:16.017 INFO 28660 --- [ain-EventThread]
o.a.c.framework.imps.EnsembleTracker : New config event received: {}
2022-01-05 10:10:16.017 INFO 28660 --- [ain-EventThread]
o.a.c.framework.imps.EnsembleTracker : New config event received: {}
2022-01-05 10:10:16.116 INFO 28660 --- [ main]
com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Starting...
2022-01-05 10:10:17.695 INFO 28660 --- [ main]
com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Start completed.
2022-01-05 10:10:17.707 INFO 28660 --- [ main]
com.zaxxer.hikari.HikariDataSource : HikariPool-2 - Starting...
2022-01-05 10:10:17.884 INFO 28660 --- [ main]
com.zaxxer.hikari.HikariDataSource : HikariPool-2 - Start completed.
2022-01-05 10:10:17.884 INFO 28660 --- [ main]
com.zaxxer.hikari.HikariDataSource : HikariPool-3 - Starting...
2022-01-05 10:10:18.034 INFO 28660 --- [ main]
com.zaxxer.hikari.HikariDataSource : HikariPool-3 - Start completed.
2022-01-05 10:10:18.237 INFO 28660 --- [ main]
org.quartz.impl.StdSchedulerFactory : Using default implementation for
ThreadExecutor
2022-01-05 10:10:18.246 INFO 28660 --- [ main]
org.quartz.core.SchedulerSignalerImpl : Initialized Scheduler Signaller of
type: class org.quartz.core.SchedulerSignalerImpl
2022-01-05 10:10:18.246 INFO 28660 --- [ main]
org.quartz.core.QuartzScheduler : Quartz Scheduler v.2.3.2 created.
2022-01-05 10:10:18.246 INFO 28660 --- [ main]
o.a.s.e.l.i.s.JobShutdownHookPlugin : Registering Quartz shutdown hook.
MGR-pr_ds
2022-01-05 10:10:18.247 INFO 28660 --- [ main]
org.quartz.simpl.RAMJobStore : RAMJobStore initialized.
2022-01-05 10:10:18.247 INFO 28660 --- [ main]
org.quartz.core.QuartzScheduler : Scheduler meta-data: Quartz
Scheduler (v2.3.2) 'MGR-pr_ds' with instanceId 'NON_CLUSTERED'
```
I think it not right, because rule configuration used remote configuration,
it's not use local configuration.
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