When using tag libraries within a WAR or WAB, be sure to include an
Import-Library for the tag library bundle(s). This will ensure that your WAR or WAB
can see the TLD definition and implementing types. For example, to use the Apache implementation of JSTL,
add the following to your bundle’s
Import-Package can also be used but it is tedious to add all the imports as there are
typically lots of tld definitions in a bundle providing them.