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How to add a new TLD file to your project in JDeveloper?

You want to use the new tag library you found on internet, in your project. You copy the JAR/TLD file in your project's WEB-INF/lib directory and make the necessary changes in your code, rebuild your code... and get error during build process!

If your error is: " is is not a registered TLD Namespace", chances are you forgot to register the TLD with JDeveloper. Here is how to do it.

Select your project root. Right click->Project Properties. By default Libraries will be selected, if not select it. See if your TLD/JAR is present in the list of libraries. If not click on 'Add Library' and select your libraries. These should now appear in the libraries list. Also make sure to select JSF also.

Refresh your project. The errors should be gone now. If you are getting any errors it is possible that you are missing any library required for your tag library to function properly. Check the documentation of your taglib to pinpoint and resolve such issues.

Your feedback is welcome.

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