Error on writeRequested

jsia24 jsia18 at gmail.com
Mon May 30 09:40:52 EDT 2011 

When I try to do this

ChannelFuture future = e.getChannel().write(response);
future.addListener(ChannelFutureListener.CLOSE);

it closes the connection right? It's an IdleStateListener, when i gets idle
i write a response then will the code above close that connection?


On Mon, May 30, 2011 at 9:37 PM, Trustin Lee [via Netty Forums and Mailing
Lists] <ml-node+6419159-833800625-301197 at n2.nabble.com> wrote:

> Are you sure that you are not writing more responses than the number of
> received requests?  For example, sending more than one response for a
> single request is not right.
>
> On 05/30/2011 10:31 PM, jsia24 wrote:
>
> > I'm writing a comet server.
> >
> > On Mon, May 30, 2011 at 9:29 PM, Trustin Lee [via Netty Forums and
> Mailing
> > Lists]<[hidden email]<http://user/SendEmail.jtp?type=node&node=6419159&i=0>>
>  wrote:
> >
> >> Are you writing a server, or a client?
> >>
> >> On 05/30/2011 09:55 PM, jsia24 wrote:
> >>
> >>> Here it is:
> >>>       I am actually saving the MessageEvents in a HashMap and reply to
> >> them
> >>> when there is an event so what I did is to send a default message when
> it
> >>
> >>> did not receive an event for a period of time,  it does not produce an
> >> error
> >>> if I do not write any response to the IdleStateEvent e ( if I just do
> >>> e.getChannel.close() )
> >>>
> >>> java.lang.IllegalStateException: cannot send more responses than
> requests
> >>
> >>>           at
> >>>
> >>
> org.jboss.netty.handler.codec.http.HttpContentEncoder.writeRequested(HttpContentEncoder.java:102)
>
> >>
> >>>           at org.jboss.netty.channel.Channels.write(Channels.java:611)
> >>>           at org.jboss.netty.channel.Channels.write(Channels.java:578)
> >>>           at
> >>> org.jboss.netty.channel.AbstractChannel.write(AbstractChannel.java:259)
>
> >>>           at
> >> org.comet.classes.IdleHandler.channelIdle(IdleHandler.java:31)
> >>>           at
> >>>
> >>
> org.jboss.netty.handler.timeout.IdleStateAwareChannelHandler.handleUpstream(IdleStateAwareChannelHandler.java:46)
>
> >>
> >>>           at
> >>>
> >>
> org.jboss.netty.handler.timeout.IdleStateHandler.channelIdle(IdleStateHandler.java:324)
>
> >>
> >>>           at
> >>>
> >>
> org.jboss.netty.handler.timeout.IdleStateHandler$WriterIdleTimeoutTask.run(IdleStateHandler.java:382)
>
> >>
> >>>           at
> >>>
> >>
> org.jboss.netty.util.HashedWheelTimer$HashedWheelTimeout.expire(HashedWheelTimer.java:519)
>
> >>
> >>>           at
> >>>
> >>
> org.jboss.netty.util.HashedWheelTimer$Worker.notifyExpiredTimeouts(HashedWheelTimer.java:440)
>
> >>
> >>>           at
> >>>
> >>
> org.jboss.netty.util.HashedWheelTimer$Worker.run(HashedWheelTimer.java:379)
> >>>           at java.lang.Thread.run(Thread.java:662)
> >>>
> >>> public class IdleHandler extends IdleStateAwareChannelHandler {
> >>>        public void channelIdle(ChannelHandlerContext ctx,
> IdleStateEvent
> >> e) {
> >>>            HttpResponse response = new DefaultHttpResponse(HTTP_1_1,
> OK);
> >>>            response.setContent(ChannelBuffers.copiedBuffer("{}",
> >>> CharsetUtil.UTF_8));
> >>>            response.setHeader(CONTENT_TYPE, "text/plain;
> charset=UTF-8");
> >>>            response.setHeader(CONTENT_LENGTH,
> >>> response.getContent().readableBytes());
> >>>            response.setHeader("Access-Control-Allow-Origin", "*");
> >>>            ChannelFuture future = e.getChannel().write(response);
> >>>            future.addListener(ChannelFutureListener.CLOSE);
> >>>        }
> >>> }
> >>>
> >>> On Mon, May 30, 2011 at 3:16 PM, Norman Maurer-2 [via Netty Forums and
> >>> Mailing Lists]<[hidden email]<
> http://user/SendEmail.jtp?type=node&node=6419124&i=0>>
> >>   wrote:
> >>>
> >>>> Can you post the stacktrace and your code?
> >>>>
> >>>> Thanks
> >>>> Norman
> >>>>
> >>>> 2011/5/30, jsia24<[hidden email]<
> >> http://user/SendEmail.jtp?type=node&node=6418081&i=0>>:
> >>>>
> >>>>
> >>>>> Hi ,
> >>>>>
> >>>>>       When I try to send a response on the IdleHandler, it is
> producing
> >> an
> >>>>> error:  cannot send more responses than requests. Could anyone help
> on
> >>>> how
> >>>>> to resolve this?
> >>>>>
> >>>>> --
> >>>>> View this message in context:
> >>>>>
> >>>>
> >>
> http://netty-forums-and-mailing-lists.685743.n2.nabble.com/Error-on-writeRequested-tp6418009p6418009.html
> >>>>> Sent from the Netty User Group mailing list archive at Nabble.com.
> >>>>> _______________________________________________
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> >>
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> >> --
> >> Trustin Lee, http://gleamynode.net/
> >> _______________________________________________
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>
> --
> Trustin Lee, http://gleamynode.net/
> _______________________________________________
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