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Describe the bug
The data source center reported an error when creating an Oracle data source:
org.apache.dolphinscheduler.api.service.DataSourceService:[421] - Invalid connection string format, a valid format is: "//host[:port][/service_name]"

The original question is here:#2632

To Reproduce
When creating an Oracle data source in the data source center, according to the API logs, you can see the error, whether it is using the service name or SID.

Which version of Dolphin Scheduler:
-[dev]

**Requirement or improvement

• The data source center normally adds Oracle data sources