Problem while setting response header in a filter

Hi,
I am intercepting response in a filter and trying to modify the response header, so that my subsequent class would get the header in request .
Somehow i don't get the header in request. I don't know whats going wrong.
I have few more filters other than the one in which i m modifying the response header.
I change the response header before calling doFilter() method.
Where am i going wrong ?

The subsequent servlets and filters will get the same request that the first filter has. The passing to the next servlet is via a method call.

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