Java Servlet
Quem for usar tomcat 10, na pasta /WEB-INF/lib além de incluir o jstl-1.2.0.jar também precisa do jakarta.servlet.jsp.jstl-api-2.0.0.jar e do jakarta.servlet.jsp.jstl-2.0.0.jar Links abaixo: [https://repo.maven.apache.org/maven2/jakarta/servlet/jsp/jstl/jakarta.servlet.jsp.jstl-api/2.0.0/jakarta.servlet.jsp.jstl-api-2.0.0.jar] https://repo.maven.apache.org/maven2/org/glassfish/web/jakarta.servlet.jsp.jstl/2.0.0/jakarta.servlet.jsp.jstl-2.0.0.jar