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Error The Specified driver class (org.postgres.Driver) is not available!

SQL Workbench error for PostgreSQL connection: The Specified driver class (org.postgres.Driver) is not available!


 Below is the error which can appears while connecting to a PostgreSQL databases in SQL workbench:
This could be due to Postgres driver is not found by the Workbench tool. This could happen if the folder containing the driver is moved or deleted.

 Solution:

 To fix this issue, 
1. Open Workbench and go to File - > Manage Drivers
2. Select PostgreSQL
3. Under the Library option select the Folder where the driver is located and select the driver and click on Open.
you can download the latest Postgres JDBC drivers at: https://jdbc.postgresql.org/download.html
4. Click on OK to to close the Manage Drivers window.
5. Now try to connect to the PostgreSQL database with correct credentials, it should connect.

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