org.apache.jasper.JasperException: The absolute uri: http://java.sun.com/jsp/jstl/core cannot be res...
Looking at the solutions on the Internet, some say it is a jstl version problem, the uri added when the 1.0 version is introduced and used does not have the jsp path, the 1.2 has the /jsp path, and some say it is a problem of dependency conflict, and finally Tried to no avail.
Then try: go to maven's local warehouse to find the jstl jar package, copy it to the lib folder of tomcat , and that's it.