Preparing the i Access Environment (JDBC)

Procedure: How to Set Up the JDBC Environment on Windows and UNIX

Identify the location of the JDBC Driver files by adding them to the environment variable CLASSPATH before server startup.
For example, to set a UNIX or IBM i location for some JDBC Driver files to /usr/driver_files/mydriver.jar, issue the commands:
```
CLASSPATH=/usr/driver_files/mydriver.jar;$CLASSPATH
export CLASSPATH
```
On UNIX, to ensure that the variable is set before server startup, add the CLASSPATH setting in your UNIX profile.

Similarly, on Windows, you would issue the command:
```
set CLASSPATH=c:\usr\driver_files\mydriver.jar:%CLASSPATH%
```
Note that if you run the server workspace as a Windows service, you must set the CLASSPATH as a system-wide environment variable.
Start, or restart. the server.

Note that you also need to restart the server if the driver has changed.
Verify that the JSCOM3 service is active by issuing the following command in the server workspace and checking that the special services section displays JSCOM3 active.
```
edastart -show
```
If the JSCOM3 service is not active, a fail to start message will typically also be inserted in the server EDAPRINT log. To resolve the problem, review the JDBC listener requirements in the chapter for your operating system in the Server Installation manual.

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