I use the same filter, with no problems. However, my web.xml is
probably configured a little differently:
I remember from where I got that filter, it just applied it to every
request.
Instead of that, I only apply the filter to URLs that end in
nocache.js like so - (note the url-pattern)
<filter>
<filter-name>NoCache</filter-name>
<filter-class>com.whatever.web.GWTCacheControlFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>NoCache</filter-name>
<url-pattern>*nocache.js</url-pattern>
</filter-mapping>
On Mar 20, 3:05 pm, SrArcos <[email protected]> wrote:
> Hello all,
>
> I am using GWT 2.2.0 for an application I started a year ago. And I
> can't update now to lastest version. I use a filter on this
> application and It works fine for IE8 but when I use it in Chrome
> there are some RPC callbacks that don't work. This is the filter. Does
> Someone know the reason?
>
> [code]
> package ea.ciges.gesres.server.filters;
>
> import java.io.IOException;
> import java.util.Date;
> import javax.servlet.Filter;
> import javax.servlet.FilterChain;
> import javax.servlet.FilterConfig;
> import javax.servlet.ServletException;
> import javax.servlet.ServletRequest;
> import javax.servlet.ServletResponse;
> import javax.servlet.http.HttpServletRequest;
> import javax.servlet.http.HttpServletResponse;
>
> /**
> * {@link Filter} to add cache control headers for GWT generated files
> to
> * ensure
> *
> * that the correct files get cached.
> *
> * @author See Wah Cheng
> * @since 24 Feb 2009
> */
> public class GWTCacheControlFilter implements Filter {
>
> private static final long ONE_DAY = 86400000L;
> public void destroy() {
> }
>
> public void init(FilterConfig config) throws ServletException {
> }
> public final void doFilter(ServletRequest request, ServletResponse
> response,
> FilterChain filterChain) throws IOException,
> ServletException {
> HttpServletRequest httpRequest = (HttpServletRequest) request;
> String requestURI = httpRequest.getRequestURI();
> if (requestURI.contains(".nocache.")) {
> Date now = new Date();
> if (response instanceof HttpServletResponse){
> HttpServletResponse httpResponse =
> (HttpServletResponse) response;
> httpResponse.setDateHeader("Date",
> now.getTime()); // one day old
> httpResponse.setDateHeader("Expires",
> now.getTime() - ONE_DAY);
> httpResponse.setHeader("Pragma", "no-cache");
> httpResponse.setHeader("Cache-control",
> "no-cache, no-store, must-
> revalidate");
> }
> }
> filterChain.doFilter(request, response);
> }}
>
> [/code]
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