HTTP Status 500 – Internal Server Error


Type Exception Report

Message org.apache.jasper.JasperException: 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: org.apache.jasper.JasperException: Unable to compile class for JSP
	org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:605)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:423)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:385)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:329)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:733)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
	org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1056)
	org.apache.struts.action.RequestProcessor.processForwardConfig(RequestProcessor.java:388)
	org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:231)
	org.apache.struts.action.ActionServlet.process(ActionServlet.java:1164)
	org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:397)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:626)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:733)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
	edu.ntu.common.util.filter.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:154)

Root Cause

org.apache.jasper.JasperException: Unable to compile class for JSP
	org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:621)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:400)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:385)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:329)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:733)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
	org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1056)
	org.apache.struts.action.RequestProcessor.processForwardConfig(RequestProcessor.java:388)
	org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:231)
	org.apache.struts.action.ActionServlet.process(ActionServlet.java:1164)
	org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:397)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:626)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:733)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
	edu.ntu.common.util.filter.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:154)

Root Cause

java.lang.IllegalArgumentException: Page directive: invalid value for import
	org.apache.jasper.compiler.Node$PageDirective.validateImport(Node.java:619)
	org.apache.jasper.compiler.Node$PageDirective.addImport(Node.java:599)
	org.apache.jasper.compiler.Parser.parsePageDirective(Parser.java:366)
	org.apache.jasper.compiler.Parser.parseDirective(Parser.java:478)
	org.apache.jasper.compiler.Parser.parseFileDirectives(Parser.java:1797)
	org.apache.jasper.compiler.Parser.parse(Parser.java:141)
	org.apache.jasper.compiler.ParserController.doParse(ParserController.java:244)
	org.apache.jasper.compiler.ParserController.parseDirectives(ParserController.java:127)
	org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:202)
	org.apache.jasper.compiler.Compiler.compile(Compiler.java:386)
	org.apache.jasper.compiler.Compiler.compile(Compiler.java:362)
	org.apache.jasper.compiler.Compiler.compile(Compiler.java:346)
	org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:605)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:400)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:385)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:329)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:733)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
	org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1056)
	org.apache.struts.action.RequestProcessor.processForwardConfig(RequestProcessor.java:388)
	org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:231)
	org.apache.struts.action.ActionServlet.process(ActionServlet.java:1164)
	org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:397)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:626)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:733)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
	edu.ntu.common.util.filter.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:154)

Note The full stack trace of the root cause is available in the server logs.


Apache Tomcat/9.0.38