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• <sys:dependency>- The dependency element is to suggest the dependency of the application on the database pool. In our case we have jdbc/userds as a dependency module.
• <nam:resource-ref>- This element is used to map the JDBC connenction pool with a user defined name. In our case we have mapped jdbc%2Fuserds with jdbc/userds.

Deploy and Run

1. Start the server within Eclipse.
2. Right click on WebJDBC project and select run on server.
3. Once done the application will be deployed on the server.
4. Launch the application with the following link http://localhost:8080/WebJDBC/
   
   
   
   
   
   
5. Fill up the form with the a image location and name. The same name will be used while populating the database with the image data. Select Submit once done.
   
   
   
   
   
   
6. If your image is successfully inserted into the database you will get a Congratulation message.
   
   
   
   
   
   
7. To retrieve an image from the database launch the following portlet http://localhost:8080/WebJDBC/ImageDownload.jsp. Select submit once done.
   
   
   
   
   
   
8. This will display the image in the browser