This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
The issue from what I understand is coming because the .tld files cannot be located.
Confirm 2 things in your code
1. Is there a tag lib mentioned on the top of your jsp page?
2. Is there a web.xml entry for the same tag lib?
If there are present then share the exact entry for both your jsp and web.xml and we can look as to what's wrong with it.