Hello Andreas, are you calling FacesContext.getCurrentInstance().responseComplete() ?
Regards Bernd Andreas Niemeyer schrieb: > Hello Bernd, > > Thank you for response. > > Unfortunatly I have to use this servlet as a pdf dynamic provider. > > The redirect works fine so far, but another thing happened. > > Due some validation rules in the same method, a previous custom > FacesMessage stays displayed and only after a page reload it goes away. > > Have someone an idea? > > Regards, > Andreas > > > > Bernd Bohmann schrieb: >> Hello Andreas, >> >> maybe this help: >> >> http://wiki.apache.org/myfaces/Sending_Files >> >> You don't need a Servlet for sending binary data from jsf. >> >> The magic is the responseComplete() method. >> >> Please look at the Section >> >> 2.1.3 Faces Request Generates Non-Faces Response >> >> of the jsf 1.1 spec. >> >> Regards >> >> Bernd >> >> Andreas Niemeyer schrieb: >>> Hi, >>> >>> I would like to send form data from a JSF page for a servlet request >>> with a navigation rule. >>> >>> The servlet returns a content type of "application/pdf" and is running >>> in a context path. >>> >>> If I call it from within a action method, it works with following code: >>> >>> public String createPDFReport() { >>> ... >>> FacesContext context = FacesContext.getCurrentInstance(); >>> ExternalContext ext = context.getExternalContext(); >>> >>> String vServletPath = "/context_path/pdf-test"; >>> ext.redirect(ext.encodeResourceURL(vServletPath)); >>> >>> ... >>> return "call_servlet"; >>> } >>> >>> >>> My context is a portal, I'm using the JSF portal bridge. >>> >>> >>> The web.xml looks like: >>> >>> ... >>> <servlet> >>> <servlet-name>pdf-test</servlet-name> >>> <servlet-class>com.xxx.PDFTest</servlet-class> >>> <load-on-startup>20</load-on-startup> >>> </servlet> ... >>> >>> I would like to avoid to send a redirect and would prefer to create a >>> navigation rule in the faces-config, but it fails with an exception >>> arised from my GenericPortlet >>> >>> ... >>> >>> public class JSFGenericPortlet >>> extends org.apache.myfaces.portlet.MyFacesGenericPortlet { >>> ... >>> public void render(RenderRequest req, RenderResponse res) >>> throws IOException, PortletException { >>> ... >>> super.render(req, res); >>> } >>> ... >>> } >>> >>> javax.portlet.PortletException: String index out of range: -1 >>> at >>> org.apache.myfaces.portlet.MyFacesGenericPortlet.handleExceptionFromLifecycle(MyFacesGenericPortlet.java:310) >>> >>> >>> at >>> org.apache.myfaces.portlet.MyFacesGenericPortlet.facesRender(MyFacesGenericPortlet.java:502) >>> >>> >>> at >>> org.apache.myfaces.portlet.MyFacesGenericPortlet.doView(MyFacesGenericPortlet.java:323) >>> >>> >>> at >>> javax.portlet.GenericPortlet.doDispatch(GenericPortlet.java:328) >>> at javax.portlet.GenericPortlet.render(GenericPortlet.java:233) >>> at >>> com.gutzmann.portlets.JSFGenericPortlet.render(JSFGenericPortlet.java:73) >>> >>> >>> >>> The navigation rule looks like: >>> >>> <navigation-rule> >>> <from-view-id>/pages/view.xhtml</from-view-id> >>> <navigation-case> >>> <from-outcome>call_servlet</from-outcome> >>> <to-view-id>/pdf-test/</to-view-id> >>> </navigation-case> >>> </navigation-rule> >>> >>> I tried also `<to-view-id>/context_path/pdf-test/</to-view-id>' - same >>> exception. >>> >>> >>> >>> What is the "best practice" to do such redirect / servlet calls? >>> >>> >>> If request parameter should be changed, how would it work in the action >>> method? >>> >>> >>> Many thanks fro some help! >>> >>> >>> Regards, >>> Andreas >>> >>> >>> >>> >>> >>> >> > >
