“cannot resolve taglib with uri …” in JSP
After updating IntelliJ IDE, error messages appeared in jsp files.
“cannot resolve taglib with uri http://java.sun.com/jsp/jstl/core”
(CMD + , in Mac)Preferences > Build, Execution, Deployment > Build Toolds > Gradle
if “Create separate module per source set” option is checked, make it unchecked.
Click Apply and OK button.
Then the IDE will refresh projects.
I guess this is happened because of Gradle source sets.
see links below for better solution
IntelliJ IDEA 2016.1 introduced better support for Gradle source sets. Each source set in our project becomes a module…mrhaki.blogspot.kr