Rabbitmq consumer shutting down repeatedly

Shuchi Gupta

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Feb 5, 2015, 4:01:13 AM2/5/15

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Hi,

I have configured a Dead Letter exchange with exponential back off policy. After making these changes, I have started getting an exception in the rabbitmq consumer getting shutdown repeatedly throwing the following exception:

Received shutdown signal for consumer tag=amq.ctag--Qn9jFNOd3vxhaHvEw8Nrw

com.rabbitmq.client.ShutdownSignalException: connection error

at com.rabbitmq.client.impl.AMQConnection.startShutdown(AMQConnection.java:715)

at com.rabbitmq.client.impl.AMQConnection.shutdown(AMQConnection.java:705)

at com.rabbitmq.client.impl.AMQConnection$MainLoop.run(AMQConnection.java:563)

at java.lang.Thread.run(Thread.java:745)

Caused by: java.io.EOFException

at java.io.DataInputStream.readUnsignedByte(DataInputStream.java:290)

at com.rabbitmq.client.impl.Frame.readFrom(Frame.java:95)

at com.rabbitmq.client.impl.SocketFrameHandler.readFrame(SocketFrameHandler.java:139)

at com.rabbitmq.client.impl.AMQConnection$MainLoop.run(AMQConnection.java:532)

Can someone please give me some pointers regarding possible causes for this exception?

Thanks,

Shuchi

Jean-Sébastien Pédron

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Feb 5, 2015, 4:03:26 AM2/5/15

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On 05.02.2015 10:01, Shuchi Gupta wrote:
> Hi,
>
> I have configured a Dead Letter exchange with exponential back off
> policy. After making these changes, I have started getting an exception
> in the rabbitmq consumer getting shutdown repeatedly throwing the
> following exception:

Hi!

Could you please post the RabbitMQ log files (both "normal" and sasl)
around the time you have this error?

--
Jean-Sébastien Pédron
Pivotal / RabbitMQ

Michael Klishin

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Feb 5, 2015, 4:03:32 AM2/5/15

to Shuchi Gupta, rabbitm...@googlegroups.com

On 5 February 2015 at 12:01:15, Shuchi Gupta (shuchi....@gmail.com) wrote:
> I have configured a Dead Letter exchange with exponential back
> off policy. After making these changes, I have started getting
> an exception in the rabbitmq consumer getting shutdown repeatedly
> throwing the following exception:
>
>
> Received shutdown signal for consumer tag=amq.ctag--Qn9jFNOd3vxhaHvEw8Nrw
>
>
> com.rabbitmq.client.ShutdownSignalException: connection
> error
>
>
> at com.rabbitmq.client.impl.AMQConnection.startShutdown(AMQConnection.java:715)
>
>
> at com.rabbitmq.client.impl.AMQConnection.shutdown(AMQConnection.java:705)
>
>
> at com.rabbitmq.client.impl.AMQConnection$MainLoop.run(AMQConnection.java:563)
>
>
> at java.lang.Thread.run(Thread.java:745)
>
>
> Caused by: java.io.EOFException
>
>
> at java.io.DataInputStream.readUnsignedByte(DataInputStream.java:290)
>
>
> at com.rabbitmq.client.impl.Frame.readFrom(Frame.java:95)

>

> Can someone please give me some pointers regarding possible
> causes for this exception?

See RabbitMQ log files to find more clues.

This looks like a network I/O issue, do you use automatic connection recovery?
--
MK

Staff Software Engineer, Pivotal/RabbitMQ

Shuchi Gupta

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Feb 5, 2015, 4:53:31 AM2/5/15

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There is no activity in sasl log file, here is the trace I found in the other log file:

=INFO REPORT==== 5-Feb-2015::09:46:06 ===

accepting AMQP connection <0.25858.13> (10.0.17.160:59865 -> 10.0.17.203:5672)

=WARNING REPORT==== 5-Feb-2015::09:46:06 ===

closing AMQP connection <0.25858.13> (10.0.17.160:59865 -> 10.0.17.203:5672):

connection_closed_abruptly

While consuming the message, I am getting this error before the shutdown exception:

2015-02-05 07:59:21,128 INFO [SimpleAsyncTaskExecutor-1565] (SimpleMessageListenerContainer.java:1154) - Restarting Consumer: tags=[[amq.ctag-XEN4F57JzeWrDhSqcoma7A]], channel=Cached Rabbit Channel: AMQChannel(amqp://gu...@54.169.121.224:5672/,2), acknowledgeMode=AUTO local queue size=0

2015-02-05 08:00:20,879 ERROR [pool-8-thread-8276] (CachingConnectionFactory.java:242) - Channel shutdown: connection error

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Shuchi Gupta

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Feb 5, 2015, 4:58:17 AM2/5/15

to Jean-Sébastien Pédron, rabbitm...@googlegroups.com, Michael Klishin

I actually deleted a queue from the rabbitmq publisher, could it be possible that the consumer is failing due to that? Though the queue has been regenerated.

Michael Klishin

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Feb 5, 2015, 5:05:46 AM2/5/15

to Shuchi Gupta, rabbitm...@googlegroups.com

On 5 February 2015 at 12:58:16, Shuchi Gupta (shuchi....@gmail.com) wrote:
> I actually deleted a queue from the rabbitmq publisher, could
> it be possible that the consumer is failing due to that? Though
> the queue has been regenerated.

Queues are not regenerated. If you delete a queue with consumers, they'd get a notification:
http://www.rabbitmq.com/consumer-cancel.html.

This means you app re-declared the queue.

> 2015-02-05 07:59:21,128 INFO [SimpleAsyncTaskExecutor-1565] (SimpleMessageListenerContainer.java:1154) - Restarting
> Consumer: tags=[[amq.ctag-XEN4F57JzeWrDhSqcoma7A]], channel=Cached Rabbit Channel:
> AMQChannel(amqp://gu...@54.169.121.224:5672/,2), acknowledgeMode=AUTO local queue size=0

Yeah, so you use Spring-AMQP which you haven't mentioned.

Spring-AMQP does a bunch of opinionated stuff around error handling. Their support forum is on Stack Overflow,
tagged as [spring-amqp].

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