RenderResponse « Portlet « JSF Q&A

1. Add HTTP header to RenderResponse

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

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:
Ain't ...