AMQP Error Codes

The Java server will return errors to the client under certain circumstances. These error codes are defined in the AMQP Spec.

Common error codes include:

Code	Name	Reason
312	No Route	The message is being sent to a destination that does not exist.
313	No Consumers	The message is marked as immediate delivery, but no consumers are able to recieve the message at this time.
403	Access Refused	Implise that you've been refused access. Note that incorrect user/password credentials will result in a 530 error.
404	Not Found	The client attempted an operation on an entity which does not exist.
405	Already Exists	The client attempted to create an entity which already exists.
406	In Use	The client attempted to delete an entity which is currently being used.
407	Invalid Routing Key	The client attempted to use an invalid routing key.
408	Request Timeout	The requested operation could not be completed in time.
409	Invalid Argument	The client provided an argument which the server did not recognise, eg. invalid JMS selector.
530	Not Allowed	The client attempted an operation which it does not have permission for. Failure to supply correct user/password credentials will result in a 530.
542	Unsupported Protocol Version	The server does not support the requested AMQP version.