Umh... I believe that you don't need the return after the chain.doFilter
if (req.getServletPath().equals(onFailure)) {
log.info("YYYY equals YYYY");
chain.doFilter(request, response);
remove --> return;
}
HTH,
Glenn
"Scott Purcell" <[EMAIL PROTECTED]>
27/04/2005 10:19 AM
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Subject
Filter Being Called Repeatedly
Classification
Hello,
I decided to try and implement a filter for my struts application. A
filter that would check for a session object, and if it does not exist,
send the user to a certain link.
Anyway, I found an example in the "Struts Cookbook" and I am implementing
it. But for whatever reason, when I hit a page that should redirect me, I
can see (by debug statements) that the filter is hit 10 or more times, and
then I get an error stating: "Redirect limit for this URL exceeeded.
Unable to load the requested page") in an alert Box?
I would really like to get this going:
Here is the code, and the web.xml I am using. Any help would be
appreciated.
CODE
public class AppFilter implements Filter {
private String onFailure = "index.jsp";
private FilterConfig filterConfig;
public void init(FilterConfig filterConfig) throws ServletException {
this.filterConfig = filterConfig;
onFailure = filterConfig.getInitParameter("onFailure");
}
public void doFilter(ServletRequest request,
ServletResponse response,
FilterChain chain)
throws IOException, ServletException {
Logger log = Logger.getLogger(this.getClass().getName());
HttpServletRequest req = (HttpServletRequest) request;
HttpServletResponse resp = (HttpServletResponse) response;
log.info("XXXXXXXXXXXXX");
log.info("AppFilter called for a request.");
log.info("param onFailure=" + onFailure);
// if the page is onFailure page continue down the chain
if (req.getServletPath().equals(onFailure)) {
log.info("YYYY equals YYYY");
chain.doFilter(request, response);
return;
}
HttpSession session = req.getSession();
AppObject appObject = (AppObject)session.getAttribute("APP_OBJECT");
if (appObject == null) {
log.info("AppObject is null, send to front door.");
log.info("sending path=" + req.getContextPath() + onFailure);
resp.sendRedirect(req.getContextPath() + onFailure);
return;
} else {
log.info("DDDDDDDD");
chain.doFilter(request, response);
}
}
public void destroy() {
}
}
WEB.XML
<filter>
<filter-name>AppFilter</filter-name>
<filter-class>com.mb.purcell.app.AppFilter</filter-class>
<init-param>
<param-name>onFailure</param-name>
<param-value>/index.jsp</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>AppFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
Thanks,
Scott K Purcell
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