Problemas com Forms Dinâmicos

Olá, estou aprendendo Struts, e estou fazendo aquele exercício do Tutorial de Struts do Welington B.Souza que está aqui no Site.

Estou tendo um problema na parte de cadastro, onde usa um form dinamico, segue a mensagem de erro. Se alguém puder me ajudar seria grato

Parece que é alguma incompatibilidade com o idioma pt-BR

type Exception report

message 

description The server encountered an internal error () that prevented it from fulfilling this request.

exception 

javax.servlet.ServletException: No form found under 'saveInsertUserForm' in locale 'pt_BR'
	org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:848)
	org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:781)
	org.apache.jsp.pages.insertUser_jsp._jspService(org.apache.jsp.pages.insertUser_jsp:360)
	org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:322)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
	org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1063)
	org.apache.struts.tiles.TilesRequestProcessor.doForward(TilesRequestProcessor.java:263)
	org.apache.struts.action.RequestProcessor.processForwardConfig(RequestProcessor.java:386)
	org.apache.struts.tiles.TilesRequestProcessor.processForwardConfig(TilesRequestProcessor.java:318)
	org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:229)
	org.apache.struts.action.ActionServlet.process(ActionServlet.java:1194)
	org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:802)


root cause 

javax.servlet.jsp.JspException: No form found under 'saveInsertUserForm' in locale 'pt_BR'
	org.apache.struts.taglib.html.JavascriptValidatorTag.renderJavascript(JavascriptValidatorTag.java:384)
	org.apache.struts.taglib.html.JavascriptValidatorTag.doStartTag(JavascriptValidatorTag.java:349)
	org.apache.jsp.pages.insertUser_jsp._jspx_meth_html_javascript_0(org.apache.jsp.pages.insertUser_jsp:1313)
	org.apache.jsp.pages.insertUser_jsp._jspService(org.apache.jsp.pages.insertUser_jsp:341)
	org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:322)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
	org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1063)
	org.apache.struts.tiles.TilesRequestProcessor.doForward(TilesRequestProcessor.java:263)
	org.apache.struts.action.RequestProcessor.processForwardConfig(RequestProcessor.java:386)
	org.apache.struts.tiles.TilesRequestProcessor.processForwardConfig(TilesRequestProcessor.java:318)
	org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:229)
	org.apache.struts.action.ActionServlet.process(ActionServlet.java:1194)
	org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:802)


note The full stack trace of the root cause is available in the Apache Tomcat/5.5.9 logs.



desencanem, já descobri o erro.
éra falta da formset no validation.xml

:oops: :oops: