关于自定义标签库的问题！

[wanglei810522]

我运行带自定义标签网页,jbuilder提示很多错误信息。各位帮我看看，错误出在哪？
tld文件：
<?xml version = "1.0"?>
<!DOCTYPE taglib PUBLIC
"-//Sun Microsystems, Inc.//DTD JSP Tag Library 1.1//EN"
"http://java.sun.com/j2ee/dtds/web-jsptaglibrary_1_1.dtd">
<web-app>
<!-- a tag library descriptor -->

<taglib>
<tlibversion>1.0</tlibversion>
<jspversion>1.1</jspversion>
<shortname>advjhtp1</shortname>

<info>
A simple tab library for the examples
</info>

<!-- A simple tag that outputs content -->
<tag>
<name>welcome</name>

<tagclass>
classes.WelcomeTagHandler
</tagclass>

<bodycontent>empty</bodycontent>

<info>
Inserts content welcoming user to tag libraries
</info>
</tag>

</taglib>
</web-app>

[wanglei810522]

xml文件：
<taglib>
<taglib-uri>advjhtp1-taglib.tld</taglib-uri>
<taglib-location>/WEB-INF/lib/tlds/advjhtp1-taglib.tld</taglib-location>
</taglib>