ok, here is what I am trying.
I created a class called CrawlServlet
import java.io.IOException;
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;
public class CrawlServlet implements Filter{
@Override
public void destroy() {
// TODO Auto-generated method stub
}
@Override
public void doFilter(ServletRequest request, ServletResponse response,
FilterChain chain) throws IOException, ServletException {
// TODO Auto-generated method stub
HttpServletRequest httpRequest = (HttpServletRequest) request;
String requestURI = httpRequest.getRequestURI();
if ((requestURI != null) && (requestURI.contains("_escaped_fragment_"
))) {
System.out.println(requestURI);
} else {
try {
// not an _escaped_fragment_ URL, so move up the chain of servlet
(filters)
chain.doFilter(request, response);
} catch (ServletException e) {
System.err.println("Servlet exception caught: " + e);
e.printStackTrace();
}
}
}
@Override
public void init(FilterConfig arg0) throws ServletException {
// TODO Auto-generated method stub
}
}
in lib/web.xml, i have
<filter>
<filter-name>CrawlServlet</filter-name>
<filter-class>CrawlServlet</filter-class>
</filter>
<filter-mapping>
<filter-name>CrawlServlet</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
After ran my GWT app, i got this error 503
[ERROR] 503 - GET /Myproject.html?gwt.codesvr=127.0.0.1:9997 (127.0.0.1)
1299 bytes
Request headers
Accept: text/html, application/xhtml+xml, */*
Accept-Language: en-AU
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0)
like Gecko
Accept-Encoding: gzip, deflate
Host: 127.0.0.1:8888
If-Modified-Since: Wed, 16 Apr 2014 00:35:41 GMT
Connection: keep-alive
Response headers
Cache-Control: must-revalidate,no-cache,no-store
Content-Type: text/html;charset=ISO-8859-1
Content-Length: 1299
Can anyone tell me what is the right way to create HTMLSnapShot using
HTMLUnit?
On Friday, May 16, 2014 9:49:33 AM UTC+10, Jens wrote:
>
> so Google use server-side technology to create Html snapshot? or they use
>> HtmlUnit?
>>
>
> I don't know what they use, but I would say they don't use HtmlUnit for
> groups.google.com.
>
> -- J.
>
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