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java.lang.ClassCastException: javax.servlet.jsp.tagext.TagSupport tag incompatible with javax.faces.component.UIComponent
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created by <a href="http://community.jboss.org/people/a.r.viswanath">Viswanath Rajashekar</a> in <i>Beginner's Corner</i> - <a href="http://community.jboss.org/message/596145#596145">View the full discussion</a>
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<div class="jive-rendered-content"><p>Hi All,</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>  I am using facelets in our application. While I'm trying to include the tag returned from class implementing javax.servlet.jsp.tagext.TagSupport, I'm getting <strong>java.lang.ClassCastException: class name (implementing javax.servlet.jsp.tagext.TagSupport tag) incompatible with javax.faces.component.UIComponent</strong>. The configuration being made as follows :</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><strong>xhtml file:</strong> </p><p><ui:composition xmlns="<a class="jive-link-external-small" href="http://www.w3.org/1999/xhtml">http://www.w3.org/1999/xhtml</a>"</p><p>xmlns:ui="<a class="jive-link-external-small" href="http://java.sun.com/jsf/facelets">http://java.sun.com/jsf/facelets</a>"</p><p>xmlns:h="<a class="jive-link-external-small" href="http://java.sun.com/jsf/html">http://java.sun.com/jsf/html</a>"</p><p>xmlns:f="<a class="jive-link-external-small" href="http://java.sun.com/jsf/core">http://java.sun.com/jsf/core</a>"</p><p>xmlns:rich="<a class="jive-link-external-small" href="http://richfaces.org/rich">http://richfaces.org/rich</a>"</p><p>xmlns:a4j="<a class="jive-link-external-small" href="http://richfaces.org/a4j">http://richfaces.org/a4j</a>"</p><p>xmlns:sf="<a class="jive-link-external-small" href="http://www.springframework.org/tags/faces">http://www.springframework.org/tags/faces</a>"</p><p>xmlns:melalogin="<a class="jive-link-external-small" href="http://sovelluksenvaihtolistatag.tag/customTags">http://sovelluksenvaihtolistatag.tag/customTags</a>"></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><strong>tag used as : </strong><melalogin:sovelluksenvaihtolistatag /> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><strong>taglib.xml:</strong></p><p><facelet-taglib> </p><p><span><namespace></span><a class="jive-link-external-small" href="http://sovelluksenvaihtolistatag.tag/customTags" target="_blank">http://sovelluksenvaihtolistatag.tag/customTags</a><span></namespace> </span></p><p><tag> </p><p><tag-name>sovelluksenvaihtolistatag</tag-name> </p><p><component> </p><p><component-type>sovelluksenvaihtolistatag.component</component-type> </p><p></component> </p><p></tag> </p><p></facelet-taglib></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><strong>faces-config.xml: </strong></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"><strong> </strong> </p><p><component></p><p>   <component-type>sovelluksenvaihtolistatag.component</component-type></p><p>   <component-class>com.tieto.tkp.login.SovelluksenVaihtoListaTag</component-class></p><p>  </component></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><strong>web.xml:</strong></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"><strong> </strong> </p><p><context-param></p><p>  <param-name>facelets.LIBRARIES</param-name></p><p>  <param-value>/WEB-INF/sovelluksenvaihtolistatag.taglib.xml</param-value></p><p></context-param></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Does the facelet support the jsp tag? Is there any additional configurations to be made?</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Regards</p><p>Viswanath</p></div>
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