jsf页面跳转问题

hqlsy2005 2007-07-23 01:57:00

HTTP Status 500 -

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type Exception report

message

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

exception

javax.servlet.ServletException: Could not retrieve value of component with path : {Component-Path : [Class: javax.faces.component.UIViewRoot,ViewId: /login.jsp][Class: javax.faces.component.html.HtmlForm,Id: _idJsp0][Class: javax.faces.component.html.HtmlPanelGrid,Id: _idJsp1][Class: javax.faces.component.html.HtmlInputText,Id: username]}
javax.faces.webapp.FacesServlet.service(FacesServlet.java:154)
org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:144)

root cause

javax.faces.FacesException: Could not retrieve value of component with path : {Component-Path : [Class: javax.faces.component.UIViewRoot,ViewId: /login.jsp][Class: javax.faces.component.html.HtmlForm,Id: _idJsp0][Class: javax.faces.component.html.HtmlPanelGrid,Id: _idJsp1][Class: javax.faces.component.html.HtmlInputText,Id: username]}
org.apache.myfaces.context.servlet.ServletExternalContextImpl.dispatch(ServletExternalContextImpl.java:425)
org.apache.myfaces.application.jsp.JspViewHandlerImpl.renderView(JspViewHandlerImpl.java:211)
org.apache.myfaces.lifecycle.RenderResponseExecutor.execute(RenderResponseExecutor.java:41)
org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:132)
javax.faces.webapp.FacesServlet.service(FacesServlet.java:140)
org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:144)

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

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