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From ilya goberman <gober...@msn.com>
Subject RE: Bug in Tomcat Comet. Event CometEvent.EventType.END is not fied when connection closed.
Date Fri, 21 Jan 2011 02:10:15 GMT

done: https://issues.apache.org/bugzilla/show_bug.cgi?id=50627

> Date: Thu, 20 Jan 2011 22:42:35 +0000
> From: markt@apache.org
> To: users@tomcat.apache.org
> Subject: Re: Bug in Tomcat Comet. Event CometEvent.EventType.END is not fied when connection
closed.
> 
> On 20/01/2011 22:40, ilya goberman wrote:
> > 
> > Hello,
> > I upgraded to Tomcat 7.0.6 and noticed another problem that did not exist in Tomcat
6: event CometEvent.EventType.END is not fired when client connection is closed.
> > It is very easy to duplicate. The server and client code is below. You would need
to open html page in a browser and press "TEST". This should print "Begin Event" in the server.
If you close the browser (close connection), the "End Event" is not printed. It is printed
with Tomcat 6.
> 
> Please create a bugzilla entry for this so it can be tracked.
> 
> Cheers,
> 
> Mark
> 
> > 
> > It is similar to bug https://issues.apache.org/bugzilla/show_bug.cgi?id=50207, that
marked as fixed. Not sure if it is related or not.
> > 
> > SERVER:
> > package test;
> > 
> > import java.io.IOException;
> > 
> > import javax.servlet.ServletException;
> > import javax.servlet.http.HttpServlet;
> > 
> > import org.apache.catalina.comet.CometEvent;
> > import org.apache.catalina.comet.CometProcessor;
> > 
> > public class TomcatBug extends HttpServlet implements CometProcessor {
> > 
> >     public void event(CometEvent event) throws IOException, ServletException {
> >         if (event.getEventType() == CometEvent.EventType.BEGIN) {
> >             System.out.println("Begin Event");
> >         }
> >         else if (event.getEventType() == CometEvent.EventType.ERROR) {
> >             System.out.println("Error Event");
> >             event.close();
> >         } 
> >         else if (event.getEventType() == CometEvent.EventType.END) {
> >             System.out.println("End Event");
> >             event.close();
> >         }
> >     }
> > }
> > 
> > CLIENT (html):
> > <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/1999/REC-html401-19991224/loose.dtd">
> > <html>
> > <head>
> >     <title>test</title>
> > </head>
> > <body>
> >     <input type="button" value="TEST" onclick="test(); return false;" />
> > 
> >     <script type="text/javascript">
> >         function test() {
> >             var api = new XMLHttpRequest;
> >             api.onreadystatechange = onreadystatechange;
> > 
> >             api.open("GET", "http://localhost/Test/Controller", true);
> > 
> >             api.send("");
> >         }
> > 
> >         function onreadystatechange() {
> >         }
> > 
> >     </script>
> > 
> > </body>
> > </html>
> > 
> > 
> >  		 	   		  
> 
> 
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