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Posted to user@struts.apache.org by Sh...@ngc.com on 2004/03/09 21:56:04 UTC

Compression Filter

I'm trying to implement a compression filter on the HTTP response similar to that discussed in http://www.onjava.com/pub/a/onjava/2003/11/19/filters.html?page=1.

When requesting straight JSP's, it works fine, but any Struts ".do"s do not work.  Specifically, it appears the compression filter itself functions normally, but the browser responds with an empty page.  (The source code, cryptically enough, does include <html><body></body></html>, but I suspect that's being defaulted somewhere.)

I've tried:

- Configuring the filter to handle *.do as a url-pattern, instead of the servlet-name "action".
- Commenting out the compression code entirely, leaving only
	GZIPResponseWrapper wrappedResponse = new GZIPResponseWrapper(res);
      chain.doFilter(req, wrappedResponse);
- Executing the compression on a subclass of ActionServlet (after the super's doGet/doPost are called).

...but still the same results.

We are running Struts on Sybase EAServer 4.2, by the way.

Thanks in advance,

Shahak Nagiel
Software Engineer
Northrop Grumman Mission Systems

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