tomcat 5 配置标签的问题,请大虾帮忙

写了一个简单的taglib,发布时tomcat 的日志中报如下的错误,在测试的jsp页中看不到taglib的效果
这是错误信息
<b>
严重: Invalid PUBLIC ID: -//Sun Microsystem, Inc.//DTD JSP Tag Library 1.1//EN
Resolve entity failed-//sun microsystem, Inc.//DTD JSP Tag Library 1.1//EN ;http://java.sun.com/j2ee/dtds/web-jsptaglibrary_1_1.dtd
2004-11-23 10:14:51 org.apache.jasper.xmlparser.MyEntityResolver resolveEntity
严重: Invalid PUBLIC ID: -//sun microsystem, Inc.//DTD JSP Tag Library 1.1//EN
Resolve entity failed-//sun microsystem, Inc.//DTD JSP Tag Library 1.1//EN ;http://java.sun.com/j2ee/dtds/web-jsptaglibrary_1_1.dtd
2004-11-23 10:14:53 org.apache.jasper.xmlparser.MyEntityResolver resolveEntity
严重: Invalid PUBLIC ID: -//sun microsystem, Inc.//DTD JSP Tag Library 1.1//EN
Resolve entity failed-//Sun Microsystem, Inc.//DTD JSP Tag Library 1.1//EN ;http://java.sun.com/j2ee/dtds/web-jsptaglibrary_1_1.dtd
2004-11-23 10:14:54 org.apache.jasper.xmlparser.MyEntityResolver resolveEntity
严重: Invalid PUBLIC ID: -//Sun Microsystem, Inc.//DTD JSP Tag Library 1.1//EN
2004-11-23 10:17:15 org.apache.catalina.core.StandardHostDeployer install
信息: Installing web application at context path /复件 myweb from URL file:D:\Tomcat 5.0\webapps\复件 myweb
2004-11-23 10:18:26 org.apache.coyote.http11.Http11Protocol pause
信息: Pausing Coyote HTTP/1.1 on http-8080
</b>

这是我的tld配置文件
<code>
<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE taglib
PUBLIC "-//Sun Microsystems, Inc.//DTD JSP Tag Library 1.2//EN"
"http://java.sun.com/j2ee/dtd/web-jsptaglibrary_1_2.dtd">

<taglib>
<tlib-version>1.0</tlib-version>
<jsp-version>1.2</jsp-version>
<short-name>TagDemo</short-name>
<info>a tag demo</info>
<tag>
<name>tagdemo</name>
<tag-class>com.link.JspTagLib.TagDemo</tag-class>
<info>a tag demo</info>
</tag>
</taglib>
</code>