Type Exception Report
Message Unable to compile class for JSP:
Description The server encountered an unexpected condition that prevented it from fulfilling the request.
Exception
org.apache.jasper.JasperException: Unable to compile class for JSP: An error occurred at line: [4] in the jsp file: [/sql.jsp] SQL_URL cannot be resolved to a variable 1: <%@ page import="java.sql.*" %> 2: 3: <% 4: String connectionURL = SQL_URL; 5: Connection connection = null; 6: Statement sql = null; 7: ResultSet rs = null; Stacktrace: org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:102) org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:214) org.apache.jasper.compiler.JDTCompiler.generateClass(JDTCompiler.java:524) org.apache.jasper.compiler.Compiler.compile(Compiler.java:402) org.apache.jasper.compiler.Compiler.compile(Compiler.java:372) org.apache.jasper.compiler.Compiler.compile(Compiler.java:356) org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:603) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:396) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:380) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:328) jakarta.servlet.http.HttpServlet.service(HttpServlet.java:658) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
Note The full stack trace of the root cause is available in the server logs.