sunkai-cai opened a new issue, #24152:
URL: https://github.com/apache/shardingsphere/issues/24152
## Feature Request
Add source database information when throws UnavailableDataSourceException.
抛出 UnavailableDataSourceException 时，附加异常的源数据库信息。
```
Exception in thread "main"
org.apache.shardingsphere.infra.datasource.state.exception.UnavailableDataSourceException:
DATA-SOURCE-00001: Data source unavailable.
at
org.apache.shardingsphere.infra.util.exception.ShardingSpherePreconditions.checkState(ShardingSpherePreconditions.java:41)
at
org.apache.shardingsphere.infra.datasource.state.DataSourceStateManager.checkState(DataSourceStateManager.java:87)
at
org.apache.shardingsphere.infra.datasource.state.DataSourceStateManager.initState(DataSourceStateManager.java:79)
at
org.apache.shardingsphere.infra.datasource.state.DataSourceStateManager.lambda$initStates$0(DataSourceStateManager.java:70)
at java.util.LinkedHashMap.forEach(LinkedHashMap.java:684)
at
org.apache.shardingsphere.infra.datasource.state.DataSourceStateManager.initStates(DataSourceStateManager.java:70)
at
org.apache.shardingsphere.mode.metadata.MetaDataContextsFactory.lambda$checkDataSourceStates$4(MetaDataContextsFactory.java:114)
at java.util.HashMap.forEach(HashMap.java:1290)
at
org.apache.shardingsphere.mode.metadata.MetaDataContextsFactory.checkDataSourceStates(MetaDataContextsFactory.java:112)
at
org.apache.shardingsphere.mode.metadata.MetaDataContextsFactory.create(MetaDataContextsFactory.java:88)
at
org.apache.shardingsphere.mode.manager.cluster.ClusterContextManagerBuilder.build(ClusterContextManagerBuilder.java:59)
at
org.apache.shardingsphere.proxy.initializer.BootstrapInitializer.createContextManager(BootstrapInitializer.java:68)
at
org.apache.shardingsphere.proxy.initializer.BootstrapInitializer.init(BootstrapInitializer.java:58)
at org.apache.shardingsphere.proxy.Bootstrap.main(Bootstrap.java:52)
```
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