jspx文件中一出现中文便报错

a.jspx
________________
<jsp:root version="2.0"
   xmlns:jsp="http://java.sun.com/JSP/Page"><jsp:directive.page  contentType="text/html;charset=UTF-8" pageEncoding="UTF-8"/><c:out value="最爱中文"/></jsp:root>运行后:
exception org.apache.jasper.JasperException: Error reading file "/jspDoc.jspx"
org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:50)
org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:411)
org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:283)
org.apache.jasper.compiler.JspDocumentParser.parse(JspDocumentParser.java:199)
org.apache.jasper.compiler.ParserController.doParse(ParserController.java:197)
org.apache.jasper.compiler.ParserController.parse(ParserController.java:101)
org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:203)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:470)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:451)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:439)
org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:511)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:295)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
root cause java.io.UTFDataFormatException: Invalid byte 1 of 1-byte UTF-8 sequence.
org.apache.xerces.impl.io.UTF8Reader.invalidByte(Unknown Source)
org.apache.xerces.impl.io.UTF8Reader.read(Unknown Source)
org.apache.xerces.impl.XMLEntityScanner.load(Unknown Source)
org.apache.xerces.impl.XMLEntityScanner.scanLiteral(Unknown Source)
org.apache.xerces.impl.XMLScanner.scanAttributeValue(Unknown Source)
org.apache.xerces.impl.XMLNSDocumentScannerImpl.scanAttribute(Unknown Source)
org.apache.xerces.impl.XMLNSDocumentScannerImpl.scanStartElement(Unknown Source)
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown Source)
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
javax.xml.parsers.SAXParser.parse(Unknown Source)
org.apache.jasper.compiler.JspDocumentParser.parse(JspDocumentParser.java:170)
org.apache.jasper.compiler.ParserController.doParse(ParserController.java:197)
org.apache.jasper.compiler.ParserController.parse(ParserController.java:101)
org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:203)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:470)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:451)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:439)
org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:511)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:295)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)把中文字换成英文后能正常显示.