This is not based on any knowledge of jasper, but do you get the exception
if you declare TagManager in a package? My guess is that jasper uses the
fully qualified form of the tag name in declaring the tag in the jsp and
the fact that you dont use a package is upsetting it.
having said that - its a guess...
hth
dim
On Wed, 29 Aug 2001, MindTerm wrote:
> Dear all,
>
> I want to implement custom tag in jsp and I got the
> following error :
>
> Environment:
> --------------------------------------------------
> OS: Win 2k
> Tomcat 4.0.7 beta
> TagManager.class located at
> webapps/myproject/WEB-INF/classes/TagManager.class
>
> web.xml:
> --------------------------------------------------
> <taglib>
> <taglib-uri>/MYTAG</taglib-uri>
>
> <taglib-location>/WEB-INF/mytaglib.tld</taglib-location>
>
> </taglib>
>
> mytaglib.tld:
> <?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-jsptaglib_1_1.dtd";>
>
> <taglib>
> <!-- The version number of this tag library -->
> <tlibversion>1.0</tlibversion>
>
> <!-- The JSP specification version required to
> function -->
> <jspversion>1.1</jspversion>
>
> <!-- The short name of this tag library -->
> <shortname></shortname>
>
> <!-- Public URI that uniquely identifies this
> version of the tag library -->
>
> <!--uri>http://jakarta.apache.org/taglibs/utilitytags</uri-->
>
> <!-- General information about this tag library -->
> <info>
> A simple tag library for the examples
> </info>
>
> <!-- subname -->
> <tag>
> <name>code</name>
> <tagclass>TagManager</tagclass>
> <!-- bodycontent
> JSP (default): the JSP container should evaluate
> any body of the tag, but it can also be empty
> tagdependent : any body of the tag would be
> handled by the tag itself, but it can also be empty
> empty : body must be empty
> -->
> <bodycontent>empty</bodycontent>
> </tag>
> </taglib>
>
>
> my TagManager.java:
> ------------------------------------------------
>
> import javax.servlet.jsp.*;
> import javax.servlet.jsp.tagext.*;
>
> public class TagManager extends TagSupport
> {
>
> /**
> * Constructor
> */
> public TagManager( )
> {
> super();
> }
>
> public int doStartTag() throws JspException
> {
> try
> {
> pageContext.getOut().print("Hello.");
> }
> catch ( Exception ex )
> {
> throw new JspTagException( "SimpleTag: " +
> ex.getMessage() );
> }
> return SKIP_BODY;
> }
>
> public int doEndTag()
> {
> return EVAL_PAGE;
> }
>
> }
>
>
>
> Error:
> ------------------------------------------------
> Unable to compile class for JSP An error occurred at
> line: 8
> in the jsp file: /jsp/project/ACC03.jsp
> Generated servlet error:
>
>C:\learning\tomcat4\work\localhost\tea\jsp\project\_0002fjsp_0002fproject_0002fACC03_jsp.java:90:
> Class org.apache.jsp.TagManager not found.
> TagManager _jspx_th_ytag_code_0 = new TagManager();
> ^ An error occurred at line: 8 in the jsp file:
> /jsp/project/ACC03.jsp
> Generated servlet error:
>
>C:\learning\tomcat4\work\localhost\tea\jsp\project\_0002fjsp_0002fproject_0002fACC03_jsp.java:90:
> Class org.apache.jsp.TagManager not found.
> TagManager _jspx_th_ytag_code_0 = new TagManager();
> ^ 2 errors
>
> the example in sun tutorial about cutsomer tag also
> cause same error in my testing environment.
>
> Thank for your help.
>
> M.T.
>
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