在JSP里想插入JAVA片段用<%%>就会出现 元素内容必须由格式正确的字符数据或标记组成。

HTTP Status 500 - /NewFile3.jsp (line: 18, column: 2) 元素内容必须由格式正确的字符数据或标记组成。

type Exception report

message /NewFile3.jsp (line: 18, column: 2) 元素内容必须由格式正确的字符数据或标记组成。

description The server encountered an internal error that prevented it from fulfilling this request.

exception

org.apache.jasper.JasperException: /NewFile3.jsp (line: 18, column: 2) 元素内容必须由格式正确的字符数据或标记组成。
org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:42)
org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:443)
org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:308)
org.apache.jasper.compiler.JspDocumentParser.parse(JspDocumentParser.java:230)
org.apache.jasper.compiler.ParserController.doParse(ParserController.java:226)
org.apache.jasper.compiler.ParserController.parseDirectives(ParserController.java:119)
org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:194)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:374)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:354)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:341)
org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:662)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:364)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:395)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:339)
javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
root cause

org.xml.sax.SAXParseException; lineNumber: 18; columnNumber: 2; 元素内容必须由格式正确的字符数据或标记组成。
com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException(Unknown Source)
com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.fatalError(Unknown Source)
com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(Unknown Source)
com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(Unknown Source)
com.sun.org.apache.xerces.internal.impl.XMLScanner.reportFatalError(Unknown Source)
com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.startOfMarkup(Unknown Source)
com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(Unknown Source)
com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(Unknown Source)
com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(Unknown Source)
com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source)
com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source)
com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(Unknown Source)
com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(Unknown Source)
com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source)
com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl.parse(Unknown Source)
org.apache.jasper.compiler.JspDocumentParser.parse(JspDocumentParser.java:195)
org.apache.jasper.compiler.ParserController.doParse(ParserController.java:226)
org.apache.jasper.compiler.ParserController.parseDirectives(ParserController.java:119)
org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:194)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:374)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:354)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:341)
org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:662)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:364)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:395)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:339)
javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
note The full stack trace of the root cause is available in the Apache Tomcat/7.0.65 logs.

 看你的jsp代码,是不是<%和%>开闭不匹配,或者有特殊符号没有转义

你确定引入了jsp的标签库????

代码贴出来呀,没有代码怎么找问题

开头有没有加 page language="java"

 <%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>