I have been developing pages with tapestry 3.0.3 but I have not developed
any component yet. I have this :

                </tr>
                <tr>
                        <td>
                                <select jwcid="@compJerarquias"
parent="ognl:jerarquia" value="ognl:jerNuevo"/>
                        </td>
                </tr>
                </table>
                </td>
                </tr>
                
                        </table>

this is my .page ( just the props declaration ) :

        <property-specification name="jerarquia"
type="com.edesa.due.tapestry.common.IObjetoJerarquia"/>
        
        <property-specification name="jerNuevo"
type="com.edesa.due.tapestry.common.IObjetoJerarquia"/>
        

when I comment the component that I am developing everything works fine (
except the component ) but when I uncomment the component I get this
exception:

org.apache.tapestry.ApplicationRuntimeException
component:
[EMAIL PROTECTED]
ministracionDeUsuarios]
location:       context:/WEB-INF/AdministracionDeUsuarios.page, line 6,
column 83
 
java.lang.AbstractMethodError
Stack Trace:

    *
org.apache.tapestry.AbstractPage.firePageBeginRender(AbstractPage.java:463)
    * org.apache.tapestry.AbstractPage.renderPage(AbstractPage.java:293)
    *
org.apache.tapestry.engine.RequestCycle.renderPage(RequestCycle.java:368)
    *
org.apache.tapestry.engine.AbstractEngine.renderResponse(AbstractEngine.java
:749)
    *
org.apache.tapestry.engine.DirectService.service(DirectService.java:174)
    *
org.apache.tapestry.engine.AbstractEngine.service(AbstractEngine.java:889)
    *
org.apache.tapestry.ApplicationServlet.doService(ApplicationServlet.java:198
)
    *
org.apache.tapestry.ApplicationServlet.doGet(ApplicationServlet.java:159)
    * javax.servlet.http.HttpServlet.service(HttpServlet.java:697)
    * javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
    *
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application
FilterChain.java:252)
    *
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh
ain.java:173)
    *
org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.ja
va:81)

the .jwc file in my component is this: 


<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE component-specification
      PUBLIC "-//Apache Software Foundation//Tapestry Specification 3.0//EN"
      "http://jakarta.apache.org/tapestry/dtd/Tapestry_3_0.dtd";>
<!-- generated by Spindle, http://spindle.sourceforge.net -->

<component-specification 
    class="com.edesa.due.tapestry.pages.CompJerarquias" 
    allow-body="yes" allow-informal-parameters="yes">
    
    <parameter name="parent" 
        type="com.edesa.due.tapestry.common.IObjetoJerarquia" 
        required="yes" 
        direction="form"/>      
        
    <parameter name="value" 
        type="com.edesa.due.tapestry.common.IObjetoJerarquia" 
        required="yes" 
        direction="form"/>
                
    <property-specification name="jerarquiasModel"
                type="org.apache.tapestry.form.IPropertySelectionModel"/>
    
   <context-asset name="estilos" path="estilos/general.css"/>
 
</component-specification>

so, can anybody tell me what am I doing wrong??/

thanks

Gabriel Lozano M.



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