This week's book giveaway is in the Mac OS forum. We're giving away four copies of a choice of "Take Control of Upgrading to Yosemite" or "Take Control of Automating Your Mac" and have Joe Kissell on-line! See this thread for details.
After that how does it work if URI used in taglib directive does not map any entries?
Then it will fail unless, you will have the fallback scenario:
From JSP specs The fallback interpretation is targetted to a casual use of the mechanism, as in the development cycle of theWeb Application; in that case the URI is interpreted as a direct path to the TLD
the fallback rule allows a taglib directive to refer directly to the TLD. This arrangement is very convenient for quick development at the expense of less flexibility and accountability. For example:
subject: How to locating TLD with fallback mechanism when URI does not map any entries?