[rabbitmq-discuss] Alternate Exchange Configuration Issue

Tue Jan 25 13:30:23 GMT 2011

Hi ,

the snippet you see is what I was referring to( from rabbitMQ site). I
have defined an exchange called 'exchange' and declared it with
arguments as in the code snippet.(groovy)

	exchangeName = 'exchange'; queueName = 'myQueue'
	args = new HashMap<String,Object>()
	args.put("alternate-exchange", "my-ae")
	channel.exchangeDeclare exchangeName, 'direct',false,false,args
	channel.exchangeDeclare "my-ae", "fanout"
	channel.queueDeclare "unrouted",false,false,false,null
	channel.queueDeclare queueName,false,false,false,null
	channel.queueBind "unrouted" , "my-ae" , ""
	channel.queueBind queueName, exchangeName, 'rKey'
Regds
Prashant

On Jan 24, 7:55 pm, Simon MacMullen <si... at rabbitmq.com> wrote:
> On 24/01/2011 7:33PM, Prashant Yadav wrote:
>  > Am experiencing trouble when configuring alternate exchange for my
>  > broker. I am following the docs present in rabbitmq site. The error am
>  > getting is
>  >
>  > Caused by: com.rabbitmq.client.ShutdownSignalException: channel error;
>  > reason:
>  > {#method<channel.close>(reply-code=406,reply-text=PRECONDITION_FAILED -
>  > inequivalent arg 'alternate-exchange' for exchange 'exchange' in vhost
>  > '/': required {longstr,<<97,101>>}, received
>  > undefined,class-id=40,method-id=10),null,""}
>
> Did you previously declare the exchange with a different alternate
> exchange? (Or none?) Every declaration of an exchange needs to have the
> same arguments.
>
> BTW I note that your error message references an exchange called
> "exchange" but your code references "my-direct".
>
> Cheers, Simon
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