Error on writeRequested

["이희승 (Trustin Lee)"]

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]<ml-node+6418081-618031201-301197 at n2.nabble.com>  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?
>>>
>>> --
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-- 
Trustin Lee, http://gleamynode.net/