What does “INFO: TLD skipped. URI is already defined” mean?

Question

When running my JSF 2 application in eclipse I am getting several info logs that TLD was skipped because it\'s already defined as follows:

Answer 1

It means for example if you use Tomcat and Maven (or others servers) that you ship a JSTL library that is already found on the server and the server does complain.

    
        javax.servlet
        jstl
        1.2
    

At the time you application is deployed (on Tomcat) then you get the error message:

INFO: TLD skipped. URI: http://java.sun.com/jstl/core_rt is already defined
Mar 02, 2017 2:19:32 PM org.apache.catalina.startup.TaglibUriRule body

The solution is to use the tag 'scope' and a value of 'provided' because JSTL is already shipped with Tomcat (it is only for your IDE):

    
        javax.servlet
        jstl
        1.2
        provided
    

Then the error will disappear.