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Start your servlet container. If you are using the frevvo-tomcat bundle double click <frevvo-home>\start-frevvo. This will start the database connector web application. Access the connector by typing one of the test Urls below directly in your browser.

The database connector comes with a built-in hsqldb database for testing purposes. And the database connector's configuration.xml comes pre-configured with a few sample SQL queries. If you installed database.jar under the frevvo-tomcat bundle, run the following test queries. This will retrieve data from the built-in database:

For the tomcat-bundle running on the default port 8082, this query will return an xml document with two orders.


This query will select the order where orderId is equal to 102, and return an xml document with that single order.



* <host> - the URL for the web server on which you deployed database.war.
* <port> - port where the container is listening for http requests. This defaults to 8082 if the database connector was deployed in the frevvo-tomcat bundle.
* <queryset name> - queryset name defined in the database connector configuration file.
* <query name> – query name  defined in the database connector configuration file.

Common Problems

frevvo-tomcat running on non-default port

If you have configured your frevvo-tomcat in <frevvo-home>/tomcat/conf/server.xml to run on a port other than the default 8082, then you must set the port in the Url to the database connector to that different port number.

This will not work:


Change 8082 to your tomcat port.

Your browser is not on the same machine as the database connector

If your web browser is not running on the machine where your database connector is installed then you cannot use "localhost" in the Url. You must replace this with the name or ipaddr of the machine running the database connector.

This will not work:


Change "localhost" to the actual hostname or ipaddr

The query returns a blank page after you changed the configuration.xml file location

In the v2.1 database connector you MUST restart frevvo after changing the location of configuration.xml. Even though it appears that the changed location is picked up automatically after you save the change in context.default.xml, when you try your query after this change the tomcat logs will have an NPE and none of your queries will work.

The solution is to stop and restart the database connector. If you are using the frevvo-tomcat bundle you can do this by: Double click <frevvo-home>\stop-frevvo. Wait until frevvo stops. Then Double click <frevvo-home>\start-frevvo

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