Error in tablibs ..Any help on this please

hi,
I am getting the following error when i try to run the below code ..
I put all the files in corresponding folders and i am getting the following error when i run Test.jsp
Error: 500
Location: /Test.jsp
Internal Servlet Error:
org.apache.jasper.compiler.CompileException: /usr/tomcat/webapps/test/Test.jsp(6,0) Unable to load class null
     at org.apache.jasper.compiler.TagBeginGenerator.init(TagBeginGenerator.java:129)
     at org.apache.jasper.compiler.JspParseEventListener$GeneratorWrapper.init(JspParseEventListener.java:761)
     at org.apache.jasper.compiler.JspParseEventListener.addGenerator(JspParseEventListener.java:138)
     at org.apache.jasper.compiler.JspParseEventListener.handleTagBegin(JspParseEventListener.java:911)
     at org.apache.jasper.compiler.DelegatingListener.handleTagBegin(DelegatingListener.java:194)
package examples;
import java.io.*;
import javax.servlet.jsp.*;
import javax.servlet.jsp.tagext.*;
* Given a URI, uses the servlet context to find out how large the
* "real" file is in bytes.
* @author Simon Brown
public class SizeTag extends javax.servlet.jsp.tagext.TagSupport {
/** the URI of the file */
private String uri;
* Performs the processing of this tag.
public int doStartTag() throws JspException {
StringBuffer html = new StringBuffer();
// ask the container (via the servlet context) for the
// real path of a file pointed to by a URI
String realPath = pageContext.getServletContext().getRealPath(uri);
// we can now find out how large the file is
File f = new File(realPath);
long fileLength = f.length();
// build up the HTML piece by piece ...
html.append(fileLength);
html.append(" bytes");
// ... and write it
try {
pageContext.getOut().write(html.toString());
} catch (IOException ioe) {
throw new JspException(ioe.getMessage());
return EVAL_BODY_INCLUDE;
* Standard JavaBeans style property setter for the URI.
* @param s a String representing the URI
public void setUri(String s) {
this.uri = s;
taglib.tld file:-
<?xml version="1.0" encoding="ISO-8859-1" ?>
<!DOCTYPE taglib PUBLIC "-//Sun Microsystems, Inc.//DTD JSP Tag Library 1.1//EN"
"http://java.sun.com/j2ee/dtds/web-jsptaglibrary_1_1.dtd">
<taglib>
<tlibversion>1.0</tlibversion>
<jspversion>1.1</jspversion>
<shortname>examples</shortname>
<uri>http://123.123.142.156/test/taglib</uri>
<info>An example tag library</info>
<tag>
<name>size</name>
<tag-class>examples.SizeTag</tag-class>
<info>Works out how large a file, pointed to by a URI, is in bytes</info>
<attribute>
<name>uri</name>
<required>true</required>
<rtexprvalue>false</rtexprvalue>
</attribute>
</tag>
</taglib>
web.xml file:
<taglib>
<taglib-uri>
http://123.123.142.156/test/taglib
<taglib-uri>
<taglib-location>
/WEB-INF/taglib.tld
<taglib-location>
</taglib>
Test.jsp File:
<html>
<head>
<%@ taglib uri="http://123.123.142.156/test/taglib" prefix="examples" %>
</head>
<body>
The file is <examples:size uri="index.html"/>.
</body>
</html>
Any help please ...
thanks.

Hi Yark,
Please help me .. Still i am getting first error only ...
Error: 500
Location: /development/Test.jsp
Internal Servlet Error:
org.apache.jasper.compiler.CompileException: /usr/tomcat/webapps/development/Test.jsp(5,12) Unable to load class null
at org.apache.jasper.compiler.TagBeginGenerator.init(TagBeginGenerator.java:129)
at org.apache.jasper.compiler.JspParseEventListener$GeneratorWrapper.init(JspParseEventListener.java:761)
Here is my code:
taglib.tld file:-
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE taglib
PUBLIC "-//Sun Microsystems, Inc.//DTD JSP Tag Library 1.2//EN"
"http://java.sun.com/dtd/web-jsptaglibrary_1_2.dtd">
<taglib>
<tlib-version>1.0</tlib-version>
<jsp-version>1.2</jsp-version>
<short-name>examples</short-name>
<uri>http://123.123.142.156/test/taglib</uri>
<display-name>taglib</display-name>
<description>An example tag library</description>
<tag>
<name>size</name>
<tag-class>examples.SizeTag</tag-class>
<body-content>JSP</body-content>
<description>Works out how large a file, pointed to by a URI, is in bytes</description>

<attribute>
<name>uri</name>
<required>true</required>
<rtexprvalue>false</rtexprvalue>
<type>String</type>

</attribute>
</tag>
</taglib>
web.xml:
<taglib>
<taglib-uri>"/WEB-INF/taglib.tld"</taglib-uri>
<taglib-location>/WEB-INF/taglib.tld</taglib-location>
</taglib>
Test.jsp:
<html>
<head>
<%@ taglib uri="/WEB-INF/taglib.tld" prefix="examples" %>
</head>
<body>
The file is <examples:size uri="/jsp/index.html"/>.
</body>
</html>
thanks.

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