刚学JSF，尝试Demo时，其中一个页面出问题了，报错：
引用
#{..} is not allowed in template text
网上查一下，有人说是#{}EL不支持的原因，也尝试了网上提供的解决办法http://www.iteye.com/topic/286901，结果还是不行。想起之前有一个页面同样是这样写的EL，为什么没有问题呢，对比了一下发现，出错的页面的头是如下声明的：
<?xml version="1.0" encoding="UTF-8" ?>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xmlns:f="http://java.sun.com/jsf/core" xmlns:h="http://java.sun.com/jsf/html">
而没有问题的页面又是如下：
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<%@ taglib prefix="f" uri="http://java.sun.com/jsf/core"%>
<%@ taglib prefix="h" uri="http://java.sun.com/jsf/html"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
替换成后面这种形式，问题没有再出现了，
具体原因也不去分析啦，下班了。
另外我看了一下Eclipse进行JSF开发，新建页面时提供的三种模板，另外还有一种也没有问题，如下
<?xml version="1.0" encoding="ISO-8859-1" ?>
<jsp:root xmlns:jsp="http://java.sun.com/JSP/Page" xmlns:f="http://java.sun.com/jsf/core" xmlns:h="http://java.sun.com/jsf/html" version="2.0">
<jsp:directive.page language="java"
contentType="text/html; charset=ISO-8859-1" pageEncoding="ISO-8859-1" />
<jsp:text>
<![CDATA[ <?xml version="1.0" encoding="ISO-8859-1" ?> ]]>
</jsp:text>
<jsp:text>
<![CDATA[ <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> ]]>
</jsp:text>
<html xmlns="http://www.w3.org/1999/xhtml">
……
</html>
</jsp:root>
这个形式的模板也是没有问题的，要是你也遇到这个问题了，不妨换一个模板试试！
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