Resin is a very popular JSP/Servlet web server. It can be installed either as a stand alone Java/HTTP server or in conjunction with either Apache or IIS. For the purpose of this article we will focus on the installation procedure of Resin through Web Host Manager.

For more information on Resin and its functionality, please visit the following URL: http://www.caucho.com/

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Just like Tomcat JSP/Servlet Server, installing Resin on a cPanel based server is pretty much straight forward. First of all make sure that you have the latest version of cPanel (either Stable or Release, although I personally go with Stable). I recommend having version 9.9.0 and above.

2. Next, log on to your WHM (Web Host Manager) via your favorite web browser.

3. Scroll down on the left frame, until you’ve reached the cPanel section, then click on Addon Modules.

4. A new window will appear on the right frame. Scroll down until you see the Resin module, and check the Install and Keep Update field. When you’re done, scroll down and click on Save.

5. cPanel will now begin the process of installing Resin on your server. First it will install the latest j2sdk from Java on your server, and then the Resin module.

When the installation is complete, Resin will be fully integrated with your Apache web server. All that is left for you to do is to add the domain which you want to be able to serve JSP/Servlets pages. To do so, you will have to SSH into your server, and run the following command:

/scripts/addresin

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If there is no option in WHM to install Resin, make sure to update it to Current version. It should be alright afterwards. If it’s already installed but not working, simply reinstall it by unclicking it – save – and then clicking it again and save again. That should do the trick.