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Some plugins require a JDBC driver to be added to the namespace. For example, before you can run a pipeline with a MySQL batch source plugin, you need to add the supported MySQL driver to the namespace. You can add JDBC drivers to a namespace from the Namespace Admin page or the CDAP Hub. You can also easily delete unneeded JDBC drivers from the Namespace Admin page.

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1. Download the driver you want to use. For example, to download the JDBC driver for PostgreSQL, go to jdbc.postgresql.org and download the JAR file.

2. In CDAP, click the hamburger menu and then click Namespace Admin.
   The Namespace Admin page appears.

3. From the Namespace Admin page, click Drivers.

4. Upload the JAR file and click Next.
   The driver version is added to the Version field.

5. Enter the Name and Class Name of the driver.

6. Click Finish.
   The driver is added to the namespace:
   

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Adding a JDBC Driver from the Hub

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