RenderResponse « Portlet « JSF Q&A

1. Add HTTP header to RenderResponse    stackoverflow.com

I want to add a HTTP header property to a RenderResponse. I've written a RenderFilter with which I gain access to the RenderResponse. Unfortunately, when I call setProperty ...

2. AbstractMethodError thrown when calling createResourceURL on RenderResponse    stackoverflow.com

I'd like to call the method createResourceURL() on my RenderResponse. Unfortunately, when I do that, I'm getting the following exception thrown:

Caused by:
   java.lang.AbstractMethodError:
   org.jboss.portletbridge.BufferedRenderResponseWrapper.createResourceURL()Ljavax/portlet/ResourceURL;