custom validator exception

[Madhav Bhargava]

Hi All,   I am trying to create a custom validator which will take values from 2 HtmlInputText components and compare whether “date1” is greater or lesser than “date2” and then proper messages on the page. When I run the application the following exception is thrown:   javax.faces.FacesException: UIComponent is no ValueHolder             at org.apache.myfaces.context.servlet.ServletExternalContextImpl.dispatch(ServletExternalContextImpl.java:422)             at org.apache.myfaces.tomahawk.application.jsp.JspTilesViewHandlerImpl.dispatch(JspTilesViewHandlerImpl.java:233)             at org.apache.myfaces.tomahawk.application.jsp.JspTilesViewHandlerImpl.renderView(JspTilesViewHandlerImpl.java:219)             at org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:384)             at javax.faces.webapp.FacesServlet.service(FacesServlet.java:138)             at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)             at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)             at org.ajax4jsf.framework.ajax.xmlfilter.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:67)             at org.ajax4jsf.framework.ajax.xmlfilter.BaseFilter.doFilter(BaseFilter.java:223)             at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)             at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)             at org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:97)             at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)             at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)             at org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:187)             at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)             at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)             at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:81)             at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)             at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)             at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)             at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)             at org.jboss.web.tomcat.security.CustomPrincipalValve.invoke(CustomPrincipalValve.java:39)             at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:159)             at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:59)             at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)             at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)             at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)             at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)             at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856)             at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:744)             at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)             at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112)             at java.lang.Thread.run(Thread.java:595) Caused by: javax.servlet.ServletException: UIComponent is no ValueHolder             at org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:848)             at org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:781)             at org.apache.jsp.index_jsp._jspService(org.apache.jsp.index_jsp:139)             at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)             at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)             at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:322)             at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)             at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)             at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)             at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)             at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)             at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:672)             at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:463)             at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:398)             at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:301)             at org.apache.myfaces.context.servlet.ServletExternalContextImpl.dispatch(ServletExternalContextImpl.java:416)   Any help on why this exception has occurred?   The Validator class implements Validator and StateHolder interfaces. In the validate method I am retrieving the components with id’s passed in as attributes to the component. Once I get the components then validations can be done.   Thanks, madhav **************** CAUTION - Disclaimer ***************** This e-mail contains PRIVILEGED AND CONFIDENTIAL INFORMATION intended solely for the use of the addressee(s). If you are not the intended recipient, please notify the sender by e-mail and delete the original message. Further, you are not to copy, disclose, or distribute this e-mail or its contents to any other person and any such actions are unlawful. This e-mail may contain viruses. Infosys has taken every reasonable precaution to minimize this risk, but is not liable for any damage you may sustain as a result of any virus in this e-mail. You should carry out your own virus checks before opening the e-mail or attachment. Infosys reserves the right to monitor and review the content of all messages sent to or from this e-mail address. 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