[rabbitmq-discuss] RabbitMQ shovel adding random underscore '_' characters in message payload

Mihir Mone mihirm at omc-international.com.au
Tue Feb 7 22:35:08 GMT 2012

Hi Emile,

No this problem does not occur if the message is small. The payload is 
basically database table rows that are being synched between two sites. 
When the number of rows per payload is under 10 this error does not 
occur. But once it starts getting past 15 or so I am seeing this error. 
The configuration 1 which has this error is configured for 500 rows, 
which configuration 2 is configured for 3000 rows. And configuration 2 
works fine !!

Yes the error is present even when you receive a message through 
"rabbitmqadmin get" command.

Yes, I have confirmed that the original message sent to the broker at 
the remote end is OK. If you see the screenshots I have sent in the 
original email, one of them is named remote-site and the other is named 
local-site. They are nothing but dumps taken from the 
rabbitmq_management web UI.

- Mihir

On 8/02/2012 2:37 AM, Emile Joubert wrote:
> Hi,
> On 07/02/12 03:48, Mihir Mone wrote:
>> The really baffling fact is that only configuration 1 has this issue,
>> configuration 2 works fine. The only difference is a different OS at the
>> remote end of things in configuration 2.
> Can you reproduce this problem with a smaller message, or without using
> shovel?
> Does it also happen when you receive the message with any other AMQP
> client, or with the "rabbitmqadmin get" command?
> Have you confirmed that the original message sent to the broker does not
> already contain the defect?
> -Emile

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