Error on writeRequested
jsia24
jsia18 at gmail.com
Mon May 30 10:52:14 EDT 2011
Even if I close the connection e.getChannel.close() it still triggers the
idlehandler, is there a way of removing it from the monitoring of the
idlesocket monitor?
On Mon, May 30, 2011 at 10:49 PM, Jason Sia <jsia18 at gmail.com> wrote:
> Do you think it's a good idea if I store the channelId in a list and check
> it in the list if it already timed out but my problem is how do I clear this
> list if it is already storing a lot of channel ids
>
> On Mon, May 30, 2011 at 10:44 PM, Trustin Lee [via Netty Forums and Mailing
> Lists] <ml-node+6419401-1091358087-301197 at n2.nabble.com> wrote:
>
>> I see. So, you are not closing the connection since the first
>> channelIdle event. In spite that channelIdle event is triggered
>> repetitively, there's no way to distinguish the second event from the
>> first one currently. I think that is the missing feature. To work
>> around this problem, you need to maintain a state variable that counts
>> the number of consecutive channelIdle events and write the response only
>> when the counter is 0 (i.e. first channelIdle event).
>>
>> HTH
>>
>> On 05/30/2011 11:35 PM, Jason Sia wrote:
>>
>> > When I tried to write a response to the idle channel it writes the first
>>
>> > time then the idletimer continues to run and it still detect that the
>> > channel is idle even though I wrote a response on it. What do I need to
>>
>> > do for it to change its state, I think the error is in there that's why
>>
>> > it is saying that I cannot send more response than the request
>> >
>> > On Mon, May 30, 2011 at 9:50 PM, jsia24 <[hidden email]<http://user/SendEmail.jtp?type=node&node=6419401&i=0>
>> > <mailto:[hidden email]<http://user/SendEmail.jtp?type=node&node=6419401&i=1>>>
>> wrote:
>> >
>> > when I add e.getChannel().close()
>> >
>> > java.nio.channels.ClosedChannelException
>> > at
>> >
>> sun.nio.ch.SocketChannelImpl.ensureWriteOpen(SocketChannelImpl.java:133)
>> > at
>> > sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:324)
>> > at
>> >
>> org.jboss.netty.channel.socket.nio.SocketSendBufferPool$PooledSendBuffer.transferTo(SocketSendBufferPool.java:239)
>>
>> > at
>> >
>> org.jboss.netty.channel.socket.nio.NioWorker.write0(NioWorker.java:469)
>> > at
>> >
>> org.jboss.netty.channel.socket.nio.NioWorker.writeFromTaskLoop(NioWorker.java:392)
>>
>> > at
>> >
>> org.jboss.netty.channel.socket.nio.NioSocketChannel$WriteTask.run(NioSocketChannel.java:276)
>>
>> > at
>> >
>> org.jboss.netty.channel.socket.nio.NioWorker.processWriteTaskQueue(NioWorker.java:268)
>>
>> > at
>> > org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:199)
>>
>> > at
>> >
>> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>>
>> > at
>> >
>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>>
>> > at java.lang.Thread.run(Thread.java:662)
>> >
>> > it complains that it is writing to an open socket do I need to kill
>> the
>> > idletimer before closing the connection? if yes, how is it done? I
>> > wanted to
>> > use persistent connection, am I still doing it right if I close the
>> > connection?
>> >
>> > On Mon, May 30, 2011 at 9:48 PM, Norman Maurer-2 [via Netty Forums
>> and
>> > Mailing Lists] <[hidden email]<http://user/SendEmail.jtp?type=node&node=6419401&i=2>
>> > <mailto:[hidden email]<http://user/SendEmail.jtp?type=node&node=6419401&i=3>>>
>> wrote:
>> >
>> > > Nope it will not close the connection. It will add a listener
>> which
>> > > will get fired on a event. If you want to close a connection you
>> > > should use e.getChannel().close();
>> > >
>> > > Bye,
>> > > Norman
>> > >
>> > >
>> > > 2011/5/30 jsia24 <[hidden
>> > email]<http://user/SendEmail.jtp?type=node&node=6419199&i=0
>> > <http://user/SendEmail.jtp?type=node&node=6419199&i=0>>>:
>> > >
>> > >
>> > > > 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] <[hidden
>> > email]<http://user/SendEmail.jtp?type=node&node=6419199&i=1
>> > <http://user/SendEmail.jtp?type=node&node=6419199&i=1>>>
>> > > 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
>> > <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
>> > <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
>> > <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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>> > <http://user/SendEmail.jtp?type=node&node=6418081&i=1>>
>> > > >>
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>> > > >> >>>>>
>> > > >> >>>> _______________________________________________
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>> > > >> >>>> [hidden email]<
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>> > > >> >>
>> > > >>
>> > >
>> >
>> http://netty-forums-and-mailing-lists.685743.n2.nabble.com/Error-on-writeRequested-tp6418009p6418985.html
>> > > >> >>
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>> > > >> >>> _______________________________________________
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>> > > >> >>
>> > > >> >> --
>> > > >> >> Trustin Lee, http://gleamynode.net/
>> > > >> >> _______________________________________________
>> > > >> >> netty-users mailing list
>> > > >> >> [hidden
>> > email]<http://user/SendEmail.jtp?type=node&node=6419124&i=2
>> > <http://user/SendEmail.jtp?type=node&node=6419124&i=2>>
>> > >
>> > > >> >> https://lists.jboss.org/mailman/listinfo/netty-users
>> > > >> >> what we call human nature in actuality is human habit
>> > > >> >> http://gleamynode.net/
>> > > >> >>
>> > > >> >>
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>> > > >>
>> > >
>> >
>> http://netty-forums-and-mailing-lists.685743.n2.nabble.com/Error-on-writeRequested-tp6418009p6419138.html
>> > > >>
>> > > >> > Sent from the Netty User Group mailing list archive at
>> > Nabble.com.
>> > > >> > _______________________________________________
>> > > >> > netty-users mailing list
>> > > >> > [hidden email]
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>> > > >> > https://lists.jboss.org/mailman/listinfo/netty-users
>> > > >>
>> > > >>
>> > > >> --
>> > > >> Trustin Lee, http://gleamynode.net/
>> > > >> _______________________________________________
>> > > >> netty-users mailing list
>> > > >> [hidden email]
>> > <http://user/SendEmail.jtp?type=node&node=6419159&i=2
>> > <http://user/SendEmail.jtp?type=node&node=6419159&i=2>>
>> > > >> https://lists.jboss.org/mailman/listinfo/netty-users
>> > > >> what we call human nature in actuality is human habit
>> > > >> http://gleamynode.net/
>> > > >>
>> > > >>
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>> > >
>> >
>> http://netty-forums-and-mailing-lists.685743.n2.nabble.com/Error-on-writeRequested-tp6418009p6419169.html
>> > >
>> > > > Sent from the Netty User Group mailing list archive at
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>> _______________________________________________
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