alerts.jsp

<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ taglib prefix="form" uri="http://www.springframework.org/tags/form" %>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>

<div class="container">
    <c:if test="${not empty error}">
        <div class="alert alert-danger alert-dismissible fade show" role="alert">
                ${error}
            <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
        </div>
    </c:if>
    <c:if test="${not empty success}">
        <div class="alert alert-success alert-dismissible fade show" role="alert">
                ${success}
            <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
        </div>
    </c:if>
</div>