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Kafka, mail # user - Re: Exception in Kafka Broker when consumer shuts down/crashes.


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Neha Narkhede 2013-01-04, 21:01
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Re: Exception in Kafka Broker when consumer shuts down/crashes.
Neha Narkhede 2013-01-04, 21:29
Just curious, what was the problem ? :)

Thanks,
Neha
On Fri, Jan 4, 2013 at 1:23 PM, Subhash Agrawal <[EMAIL PROTECTED]>wrote:

> Thanks Neha. I figured out the problem. Consumer is still picking up
> messages without broker restart.
>
> -----Original Message-----
> From: Neha Narkhede [mailto:[EMAIL PROTECTED]]
> Sent: Friday, January 04, 2013 1:01 PM
> To: [EMAIL PROTECTED]
> Subject: Re: Exception in Kafka Broker when consumer shuts down/crashes.
>
> Hi,
>
> Few questions regarding your test/setup -
> 1. Which version of Kafka are you using ?
> 2. Are you using the high level consumer or SimpleConsumer ?
> 3. Can you describe your setup a little more ? Are you continuously sending
> messages to that broker, then shutdown consumer and stop receiving data ?
>
> You shouldn't have to restart the broker when you kill the consumer, so
> maybe something else is wrong here.
>
> Thanks,
> Neha
>
>
> On Fri, Jan 4, 2013 at 11:58 AM, Subhash Agrawal <[EMAIL PROTECTED]
> >wrote:
>
> > Hi,
> >
> > I noticed that when I kill consumer, I see exception in kafka broker and
> I
> > need to restart kafka broker server to get messages again.
> > Do I need to tune anything to avoid this error or to avoid restarting
> > kafka broker?
> >
> > Thanks
> > Subhash Agrawal
> >
> > Here is the exception:
> >
> > [2013-01-05 11:12:59,361] INFO Closing socket connection to /127.0.0.1.
> > (kafka.n
> > etwork.Processor)
> > [2013-01-04 11:45:00,456] ERROR Closing socket for /127.0.0.1 because of
> > error (
> > kafka.network.Processor)
> > java.io.IOException: An existing connection was forcibly closed by the
> > remote ho
> > st
> >         at sun.nio.ch.SocketDispatcher.read0(Native Method)
> >         at sun.nio.ch.SocketDispatcher.read(SocketDispatcher.java:25)
> >         at sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:198)
> >         at sun.nio.ch.IOUtil.read(IOUtil.java:171)
> >         at sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:245)
> >         at kafka.utils.Utils$.read(Utils.scala:538)
> >         at
> > kafka.network.BoundedByteBufferReceive.readFrom(BoundedByteBufferRece
> > ive.scala:54)
> >         at kafka.network.Processor.read(SocketServer.scala:311)
> >         at kafka.network.Processor.run(SocketServer.scala:214)
> >         at java.lang.Thread.run(Thread.java:662)
> >
>