# Error related to driver class - oracle db - what is missing?

**URL:** <https://forum.liquibase.org/t/error-related-to-driver-class-oracle-db-what-is-missing/10422>\
**Category:** Uncategorized\
**Created:** [April 23, 2025, 7:24am UTC](https://forum.liquibase.org/t/error-related-to-driver-class-oracle-db-what-is-missing/10422 "2025-04-23T07:24:37Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Kumar](https://avatars.discourse-cdn.com/v4/letter/k/9f8e36/32.png) [@Kumar](https://forum.liquibase.org/u/Kumar)\
**Post date:** [April 23, 2025, 7:24am UTC](https://forum.liquibase.org/t/error-related-to-driver-class-oracle-db-what-is-missing/10422/1 "2025-04-23T07:24:37Z")

</div>

We are using following liquibase validate command:  
liquibase --url=“jdbc:Oracle://hostname” --changeLogFile=“changeset\_master.xml” --username=“Domain\USER” --password=“XXX” validate

and got the following error:

ERROR: Exception Details  
ERROR: Exception Primary Class: RuntimeException  
ERROR: Exception Primary Reason: Driver class was not specified and could not be determined from the url